normal for the date

North Sea at Norderney Riffgat: history

On 4 October 2026 the North Sea at Norderney Riffgat averaged 503.4 cm.

That is within the normal range for the date. The normal range for 4 October is 480 cm to 549 cm: the 10th to 90th percentile of the daily averages from 27 September to 11 October in 26 years between 2000 and 2025.

The last 90 days, against the normal range for each day

Level
Below the normal range
Above the normal range
Normal range for the date
Median for the date
A year earlier

Daily averages of the North Sea at Norderney Riffgat from 7 July 2026 to 4 October 2026, with the normal range for each day and the same days a year earlier.

Table: The last 90 days, against the normal range for each day

Day	Daily average (cm)	Normal range	Median	A year earlier
7 July 2026	528.0 cm	485.2 cm to 524.6 cm	502.5 cm	528.3 cm
8 July 2026	509.3 cm	485.0 cm to 523.9 cm	502.9 cm	523.9 cm
9 July 2026	506.2 cm	485.0 cm to 523.8 cm	502.3 cm	505.0 cm
10 July 2026	504.9 cm	485.3 cm to 523.2 cm	502.1 cm	501.0 cm
11 July 2026	496.7 cm	485.5 cm to 523.5 cm	502.1 cm	498.4 cm
12 July 2026	492.7 cm	485.5 cm to 522.6 cm	501.7 cm	495.9 cm
13 July 2026	483.0 cm	485.5 cm to 522.0 cm	501.6 cm	494.9 cm
14 July 2026	489.2 cm	485.6 cm to 521.6 cm	501.6 cm	498.0 cm
15 July 2026	486.7 cm	485.9 cm to 521.4 cm	501.5 cm	509.4 cm
16 July 2026	487.9 cm	485.6 cm to 521.0 cm	501.3 cm	504.4 cm
17 July 2026	504.1 cm	485.5 cm to 521.3 cm	500.9 cm	506.1 cm
18 July 2026	529.9 cm	485.5 cm to 521.7 cm	500.6 cm	493.4 cm
19 July 2026	527.9 cm	485.8 cm to 521.0 cm	500.8 cm	497.2 cm
20 July 2026	502.9 cm	485.9 cm to 520.0 cm	500.7 cm	508.9 cm
21 July 2026	498.9 cm	486.1 cm to 520.3 cm	500.9 cm	513.2 cm
22 July 2026	522.3 cm	486.2 cm to 520.5 cm	500.9 cm	519.5 cm
23 July 2026	506.3 cm	486.6 cm to 521.7 cm	500.9 cm	524.2 cm
24 July 2026	506.2 cm	487.0 cm to 521.9 cm	501.4 cm	513.7 cm
25 July 2026	525.1 cm	486.7 cm to 523.4 cm	500.9 cm	502.3 cm
26 July 2026	539.2 cm	486.7 cm to 523.5 cm	500.6 cm	506.4 cm
27 July 2026	529.6 cm	486.8 cm to 523.6 cm	500.8 cm	511.3 cm
28 July 2026	504.6 cm	487.7 cm to 523.4 cm	501.0 cm	516.7 cm
29 July 2026	504.8 cm	487.7 cm to 523.4 cm	501.3 cm	516.4 cm
30 July 2026	508.7 cm	488.1 cm to 523.1 cm	501.6 cm	530.8 cm
31 July 2026	503.4 cm	488.5 cm to 523.1 cm	502.0 cm	518.1 cm
1 August 2026	502.2 cm	488.9 cm to 523.6 cm	502.5 cm	523.3 cm
2 August 2026	495.7 cm	488.9 cm to 524.2 cm	502.9 cm	528.7 cm
3 August 2026	485.5 cm	489.4 cm to 526.3 cm	503.4 cm	523.7 cm
4 August 2026	491.9 cm	489.5 cm to 527.6 cm	503.4 cm	519.0 cm
5 August 2026	505.3 cm	489.3 cm to 527.1 cm	503.2 cm	569.3 cm
6 August 2026	526.1 cm	489.3 cm to 525.2 cm	503.3 cm	520.9 cm
7 August 2026	500.5 cm	488.5 cm to 524.0 cm	503.0 cm	506.9 cm
8 August 2026	500.0 cm	488.4 cm to 523.7 cm	503.0 cm	525.5 cm
9 August 2026	511.0 cm	488.9 cm to 524.2 cm	503.4 cm	508.4 cm
10 August 2026	525.6 cm	489.1 cm to 525.0 cm	503.7 cm	518.6 cm
11 August 2026	502.9 cm	488.8 cm to 527.1 cm	503.5 cm	488.6 cm
12 August 2026	474.6 cm	488.7 cm to 527.2 cm	503.5 cm	491.3 cm
13 August 2026	482.4 cm	488.8 cm to 527.3 cm	503.8 cm	497.9 cm
14 August 2026	495.9 cm	488.6 cm to 527.5 cm	504.0 cm	499.1 cm
15 August 2026	504.2 cm	488.2 cm to 527.3 cm	503.8 cm	509.1 cm
16 August 2026	498.2 cm	487.4 cm to 527.1 cm	503.7 cm	506.8 cm
17 August 2026	504.4 cm	486.8 cm to 525.9 cm	503.6 cm	499.8 cm
18 August 2026	504.6 cm	486.6 cm to 525.9 cm	503.0 cm	495.9 cm
19 August 2026	518.6 cm	486.6 cm to 525.1 cm	503.1 cm	506.5 cm
20 August 2026	514.9 cm	487.3 cm to 525.5 cm	503.6 cm	504.4 cm
21 August 2026	512.0 cm	487.9 cm to 525.8 cm	503.7 cm	511.4 cm
22 August 2026	522.0 cm	488.6 cm to 525.9 cm	503.7 cm	517.5 cm
23 August 2026	510.3 cm	488.8 cm to 526.2 cm	503.9 cm	516.2 cm
24 August 2026	490.5 cm	488.3 cm to 526.2 cm	503.9 cm	500.2 cm
25 August 2026	480.6 cm	488.5 cm to 526.2 cm	503.9 cm	498.5 cm
26 August 2026	486.4 cm	488.3 cm to 525.8 cm	504.2 cm	497.2 cm
27 August 2026	483.4 cm	488.1 cm to 526.2 cm	503.8 cm	520.8 cm
28 August 2026	507.2 cm	487.7 cm to 527.1 cm	503.8 cm	512.1 cm
29 August 2026	524.8 cm	486.5 cm to 529.1 cm	503.6 cm	519.0 cm
30 August 2026	520.0 cm	486.5 cm to 529.4 cm	504.0 cm	519.2 cm
31 August 2026	517.0 cm	486.9 cm to 529.1 cm	504.3 cm	508.7 cm
1 September 2026	521.6 cm	488.1 cm to 530.0 cm	505.1 cm	526.6 cm
2 September 2026	514.2 cm	486.8 cm to 529.7 cm	505.3 cm	523.9 cm
3 September 2026	521.9 cm	486.6 cm to 529.9 cm	505.2 cm	528.6 cm
4 September 2026	552.9 cm	486.0 cm to 530.6 cm	505.2 cm	541.9 cm
5 September 2026	573.2 cm	484.9 cm to 531.5 cm	505.1 cm	523.2 cm
6 September 2026	494.2 cm	484.2 cm to 532.3 cm	505.2 cm	498.5 cm
7 September 2026	520.6 cm	484.2 cm to 535.0 cm	505.0 cm	472.1 cm
8 September 2026	529.4 cm	484.9 cm to 535.4 cm	505.5 cm	497.6 cm
9 September 2026	541.8 cm	485.5 cm to 538.1 cm	505.6 cm	512.0 cm
10 September 2026	503.5 cm	485.5 cm to 540.0 cm	506.1 cm	498.7 cm
11 September 2026	511.4 cm	485.5 cm to 540.3 cm	506.8 cm	515.5 cm
12 September 2026	505.2 cm	485.1 cm to 539.6 cm	506.9 cm	528.6 cm
13 September 2026	520.8 cm	484.7 cm to 539.2 cm	507.2 cm	514.1 cm
14 September 2026	494.8 cm	484.7 cm to 539.6 cm	507.3 cm	516.1 cm
15 September 2026	510.0 cm	485.1 cm to 539.9 cm	507.7 cm	559.1 cm
16 September 2026	529.2 cm	484.9 cm to 540.3 cm	507.6 cm	594.4 cm
17 September 2026	519.3 cm	484.6 cm to 541.2 cm	507.9 cm	525.7 cm
18 September 2026	550.2 cm	484.6 cm to 540.5 cm	508.5 cm	539.3 cm
19 September 2026	544.8 cm	484.2 cm to 539.6 cm	508.5 cm	511.6 cm
20 September 2026	576.1 cm	484.3 cm to 540.0 cm	508.5 cm	520.7 cm
21 September 2026	519.1 cm	484.2 cm to 541.3 cm	508.3 cm	547.6 cm
22 September 2026	501.1 cm	484.0 cm to 540.4 cm	508.1 cm	513.4 cm
23 September 2026	507.4 cm	483.2 cm to 539.9 cm	507.4 cm	495.4 cm
24 September 2026	527.6 cm	481.6 cm to 539.7 cm	507.2 cm	476.8 cm
25 September 2026	504.8 cm	481.6 cm to 540.6 cm	507.3 cm	474.7 cm
26 September 2026	513.2 cm	481.8 cm to 542.9 cm	507.3 cm	474.2 cm
27 September 2026	497.0 cm	481.8 cm to 544.6 cm	507.4 cm	486.7 cm
28 September 2026	514.6 cm	481.8 cm to 546.3 cm	507.6 cm	496.3 cm
29 September 2026	489.6 cm	481.5 cm to 546.7 cm	508.1 cm	496.8 cm
30 September 2026	484.0 cm	481.4 cm to 546.7 cm	508.1 cm	494.9 cm
1 October 2026	521.7 cm	480.7 cm to 546.3 cm	508.9 cm	480.0 cm
2 October 2026	501.1 cm	481.5 cm to 546.6 cm	508.5 cm	492.1 cm
3 October 2026	498.4 cm	481.5 cm to 548.4 cm	508.1 cm	473.4 cm
4 October 2026	503.4 cm	479.8 cm to 548.6 cm	507.8 cm	561.6 cm

The last 12 months, against the normal range for each day

Level
Below the normal range
Above the normal range
Normal range for the date
Median for the date
Our record

Daily averages of the North Sea at Norderney Riffgat from 4 October 2025 to 4 October 2026, with the normal range for each day.

Table: The last 12 months, against the normal range for each day

Day	Daily average (cm)	Normal range	Median
4 October 2025	561.6 cm	479.8 cm to 548.6 cm	507.8 cm
5 October 2025	664.6 cm	478.2 cm to 548.6 cm	507.3 cm
6 October 2025	524.7 cm	477.3 cm to 548.5 cm	505.4 cm
7 October 2025	522.7 cm	477.1 cm to 548.6 cm	504.6 cm
8 October 2025	515.9 cm	477.1 cm to 548.6 cm	504.6 cm
9 October 2025	521.4 cm	476.6 cm to 548.8 cm	504.9 cm
10 October 2025	522.9 cm	476.6 cm to 547.2 cm	505.0 cm
11 October 2025	507.7 cm	476.5 cm to 543.9 cm	504.7 cm
12 October 2025	502.2 cm	475.6 cm to 542.1 cm	504.3 cm
13 October 2025	490.9 cm	475.4 cm to 541.7 cm	503.5 cm
14 October 2025	500.8 cm	476.5 cm to 541.9 cm	503.3 cm
15 October 2025	503.8 cm	476.5 cm to 541.9 cm	503.6 cm
16 October 2025	517.4 cm	475.6 cm to 541.9 cm	503.6 cm
17 October 2025	508.0 cm	475.6 cm to 544.4 cm	504.0 cm
18 October 2025	489.1 cm	476.1 cm to 544.4 cm	504.8 cm
19 October 2025	479.6 cm	476.8 cm to 545.8 cm	505.7 cm
20 October 2025	498.2 cm	479.2 cm to 550.0 cm	507.1 cm
21 October 2025	530.7 cm	480.4 cm to 550.6 cm	509.1 cm
22 October 2025	535.5 cm	481.6 cm to 552.7 cm	511.1 cm
23 October 2025	531.8 cm	482.8 cm to 552.7 cm	512.2 cm
24 October 2025	628.5 cm	484.2 cm to 553.0 cm	512.1 cm
25 October 2025	600.1 cm	485.4 cm to 553.1 cm	512.4 cm
26 October 2025	634.6 cm	485.4 cm to 555.3 cm	514.1 cm
27 October 2025	579.6 cm	485.8 cm to 559.0 cm	515.1 cm
28 October 2025	564.7 cm	486.6 cm to 558.8 cm	516.6 cm
29 October 2025	530.1 cm	486.7 cm to 559.3 cm	517.6 cm
30 October 2025	544.6 cm	486.9 cm to 560.8 cm	517.2 cm
31 October 2025	489.4 cm	486.8 cm to 560.8 cm	517.2 cm
1 November 2025	538.4 cm	486.8 cm to 559.3 cm	516.3 cm
2 November 2025	537.0 cm	485.9 cm to 560.4 cm	515.2 cm
3 November 2025	529.0 cm	485.9 cm to 559.3 cm	514.6 cm
4 November 2025	526.6 cm	485.6 cm to 556.5 cm	514.4 cm
5 November 2025	524.6 cm	484.9 cm to 555.3 cm	513.8 cm
6 November 2025	505.2 cm	485.6 cm to 553.7 cm	513.9 cm
7 November 2025	512.3 cm	485.7 cm to 555.3 cm	513.7 cm
8 November 2025	512.2 cm	484.9 cm to 553.7 cm	513.7 cm
9 November 2025	512.6 cm	485.0 cm to 553.9 cm	512.9 cm
10 November 2025	508.5 cm	484.9 cm to 555.3 cm	512.6 cm
11 November 2025	516.4 cm	483.9 cm to 556.5 cm	512.4 cm
12 November 2025	508.0 cm	481.3 cm to 556.7 cm	511.7 cm
13 November 2025	530.0 cm	480.3 cm to 556.1 cm	510.0 cm
14 November 2025	492.6 cm	480.3 cm to 553.8 cm	509.4 cm
15 November 2025	466.6 cm	480.4 cm to 555.3 cm	509.3 cm
16 November 2025	510.2 cm	482.4 cm to 556.1 cm	509.2 cm
17 November 2025	556.6 cm	482.6 cm to 555.3 cm	509.6 cm
18 November 2025	525.2 cm	483.0 cm to 555.3 cm	509.8 cm
19 November 2025	516.1 cm	481.3 cm to 556.5 cm	510.0 cm
20 November 2025	513.1 cm	481.3 cm to 553.9 cm	509.1 cm
21 November 2025	497.3 cm	479.3 cm to 555.1 cm	508.8 cm
22 November 2025	514.4 cm	478.9 cm to 553.8 cm	508.8 cm
23 November 2025	503.2 cm	480.4 cm to 553.9 cm	508.8 cm
24 November 2025	531.6 cm	479.3 cm to 553.8 cm	508.4 cm
25 November 2025	499.4 cm	478.6 cm to 553.0 cm	508.1 cm
26 November 2025	493.4 cm	479.3 cm to 552.7 cm	507.4 cm
27 November 2025	511.8 cm	479.3 cm to 552.6 cm	506.5 cm
28 November 2025	537.4 cm	481.9 cm to 553.0 cm	506.8 cm
29 November 2025	541.3 cm	481.2 cm to 556.4 cm	507.4 cm
30 November 2025	558.0 cm	481.2 cm to 555.2 cm	507.9 cm
1 December 2025	510.0 cm	479.2 cm to 556.5 cm	508.1 cm
2 December 2025	521.2 cm	477.8 cm to 558.0 cm	507.5 cm
3 December 2025	512.7 cm	477.6 cm to 558.2 cm	507.1 cm
4 December 2025	497.2 cm	477.6 cm to 558.0 cm	507.1 cm
5 December 2025	497.3 cm	477.6 cm to 558.2 cm	507.5 cm
6 December 2025	473.2 cm	477.6 cm to 559.2 cm	506.6 cm
7 December 2025	513.2 cm	477.6 cm to 561.5 cm	506.5 cm
8 December 2025	533.5 cm	474.1 cm to 563.3 cm	507.1 cm
9 December 2025	514.7 cm	473.3 cm to 563.5 cm	508.4 cm
10 December 2025	517.8 cm	473.5 cm to 566.0 cm	509.0 cm
11 December 2025	554.7 cm	473.5 cm to 564.0 cm	508.8 cm
12 December 2025	509.2 cm	473.3 cm to 565.7 cm	508.8 cm
13 December 2025	520.5 cm	472.9 cm to 564.2 cm	509.2 cm
14 December 2025	531.1 cm	472.9 cm to 563.3 cm	509.4 cm
15 December 2025	529.8 cm	473.2 cm to 564.2 cm	509.8 cm
16 December 2025	531.5 cm	472.9 cm to 565.7 cm	510.0 cm
17 December 2025	515.1 cm	473.2 cm to 564.6 cm	510.0 cm
18 December 2025	522.5 cm	472.9 cm to 565.5 cm	510.2 cm
19 December 2025	537.6 cm	472.3 cm to 564.6 cm	510.3 cm
20 December 2025	520.3 cm	472.3 cm to 565.5 cm	510.7 cm
21 December 2025	488.5 cm	471.4 cm to 564.6 cm	512.5 cm
22 December 2025	475.0 cm	471.7 cm to 564.1 cm	512.8 cm
23 December 2025	454.2 cm	472.6 cm to 563.7 cm	512.2 cm
24 December 2025	453.2 cm	473.6 cm to 560.8 cm	511.4 cm
25 December 2025	440.5 cm	474.6 cm to 563.2 cm	512.0 cm
26 December 2025	464.3 cm	474.4 cm to 563.9 cm	513.4 cm
27 December 2025	482.6 cm	473.3 cm to 564.1 cm	514.4 cm
28 December 2025	478.6 cm	472.3 cm to 565.0 cm	513.9 cm
29 December 2025	507.9 cm	471.3 cm to 563.9 cm	513.9 cm
30 December 2025	503.4 cm	470.5 cm to 562.1 cm	512.1 cm
31 December 2025	534.1 cm	469.1 cm to 561.6 cm	510.9 cm
1 January 2026	619.2 cm	467.1 cm to 561.6 cm	511.0 cm
2 January 2026	628.7 cm	466.8 cm to 557.9 cm	510.9 cm
3 January 2026	553.9 cm	467.4 cm to 555.1 cm	510.5 cm
4 January 2026	541.3 cm	467.7 cm to 557.9 cm	510.5 cm
5 January 2026	506.3 cm	470.9 cm to 561.8 cm	510.9 cm
6 January 2026	502.0 cm	469.1 cm to 563.5 cm	510.9 cm
7 January 2026	482.4 cm	469.7 cm to 564.1 cm	510.4 cm
8 January 2026	497.6 cm	468.6 cm to 565.2 cm	509.7 cm
9 January 2026	430.7 cm	467.7 cm to 566.1 cm	509.7 cm
10 January 2026	449.7 cm	468.0 cm to 566.1 cm	508.3 cm
11 January 2026	443.3 cm	469.3 cm to 565.2 cm	508.6 cm
12 January 2026	467.9 cm	469.4 cm to 565.3 cm	508.1 cm
13 January 2026	541.5 cm	469.8 cm to 566.3 cm	508.8 cm
14 January 2026	524.8 cm	469.8 cm to 567.1 cm	508.8 cm
15 January 2026	510.2 cm	468.3 cm to 569.2 cm	507.8 cm
16 January 2026	527.7 cm	468.1 cm to 567.1 cm	507.1 cm
17 January 2026	497.2 cm	469.0 cm to 566.6 cm	506.0 cm
18 January 2026	482.4 cm	467.9 cm to 566.1 cm	505.6 cm
19 January 2026	481.4 cm	467.1 cm to 564.7 cm	505.4 cm
20 January 2026	478.2 cm	467.1 cm to 564.4 cm	505.4 cm
21 January 2026	445.4 cm	467.1 cm to 561.2 cm	504.5 cm
22 January 2026	409.3 cm	466.1 cm to 563.2 cm	505.4 cm
23 January 2026	418.2 cm	465.0 cm to 564.2 cm	506.7 cm
24 January 2026	436.6 cm	465.0 cm to 563.2 cm	507.4 cm
25 January 2026	459.8 cm	463.1 cm to 564.9 cm	507.5 cm
26 January 2026	484.3 cm	462.2 cm to 564.2 cm	506.6 cm
27 January 2026	452.4 cm	462.5 cm to 562.1 cm	505.2 cm
28 January 2026	452.1 cm	462.8 cm to 562.1 cm	504.4 cm
29 January 2026	488.7 cm	461.5 cm to 562.1 cm	503.4 cm
30 January 2026	457.9 cm	463.5 cm to 561.1 cm	505.0 cm
31 January 2026	455.5 cm	462.6 cm to 562.1 cm	505.4 cm
1 February 2026	451.1 cm	460.7 cm to 561.1 cm	505.5 cm
2 February 2026	433.4 cm	460.7 cm to 562.9 cm	505.5 cm
3 February 2026	412.1 cm	459.7 cm to 563.6 cm	505.3 cm
4 February 2026	423.6 cm	456.7 cm to 563.6 cm	504.5 cm
5 February 2026	430.6 cm	454.7 cm to 562.9 cm	503.4 cm
6 February 2026	473.7 cm	454.6 cm to 560.7 cm	501.8 cm
7 February 2026	480.0 cm	454.1 cm to 559.7 cm	498.7 cm
8 February 2026	460.2 cm	454.7 cm to 557.4 cm	496.2 cm
9 February 2026	467.6 cm	457.2 cm to 556.2 cm	496.1 cm
10 February 2026	493.1 cm	458.2 cm to 556.1 cm	495.6 cm
11 February 2026	509.8 cm	458.9 cm to 555.4 cm	494.5 cm
12 February 2026	520.4 cm	458.3 cm to 555.2 cm	495.7 cm
13 February 2026	506.3 cm	459.0 cm to 551.2 cm	495.6 cm
14 February 2026	489.2 cm	459.0 cm to 549.9 cm	495.7 cm
15 February 2026	468.2 cm	459.4 cm to 552.6 cm	495.8 cm
16 February 2026	514.7 cm	459.4 cm to 551.2 cm	496.1 cm
17 February 2026	540.5 cm	459.0 cm to 549.2 cm	496.2 cm
18 February 2026	475.5 cm	460.7 cm to 549.3 cm	496.8 cm
19 February 2026	439.4 cm	461.1 cm to 546.4 cm	496.7 cm
20 February 2026	463.9 cm	463.0 cm to 545.3 cm	496.7 cm
21 February 2026	514.6 cm	463.2 cm to 545.7 cm	497.2 cm
22 February 2026	505.8 cm	463.9 cm to 546.4 cm	497.9 cm
23 February 2026	526.4 cm	463.9 cm to 549.3 cm	499.0 cm
24 February 2026	496.5 cm	464.0 cm to 549.0 cm	499.0 cm
25 February 2026	499.3 cm	462.6 cm to 549.0 cm	498.7 cm
26 February 2026	510.4 cm	463.0 cm to 549.0 cm	499.0 cm
27 February 2026	531.2 cm	463.8 cm to 545.5 cm	496.7 cm
28 February 2026	522.0 cm	463.8 cm to 545.5 cm	497.7 cm
1 March 2026	501.3 cm	463.8 cm to 538.4 cm	495.9 cm
2 March 2026	489.9 cm	464.9 cm to 537.4 cm	495.4 cm
3 March 2026	509.4 cm	464.9 cm to 537.1 cm	494.6 cm
4 March 2026	473.9 cm	463.2 cm to 537.1 cm	494.4 cm
5 March 2026	473.6 cm	463.8 cm to 537.6 cm	494.4 cm
6 March 2026	495.8 cm	462.6 cm to 539.7 cm	494.4 cm
7 March 2026	484.8 cm	462.3 cm to 540.1 cm	494.2 cm
8 March 2026	484.4 cm	461.9 cm to 540.3 cm	494.5 cm
9 March 2026	489.4 cm	460.6 cm to 538.3 cm	494.4 cm
10 March 2026	495.0 cm	460.2 cm to 537.3 cm	494.4 cm
11 March 2026	511.9 cm	460.7 cm to 537.3 cm	494.7 cm
12 March 2026	522.9 cm	460.7 cm to 536.8 cm	494.8 cm
13 March 2026	560.5 cm	460.6 cm to 536.9 cm	495.0 cm
14 March 2026	527.1 cm	460.2 cm to 537.5 cm	494.8 cm
15 March 2026	497.0 cm	459.5 cm to 536.3 cm	494.4 cm
16 March 2026	537.9 cm	458.8 cm to 537.0 cm	493.2 cm
17 March 2026	491.1 cm	455.7 cm to 535.0 cm	492.4 cm
18 March 2026	499.6 cm	459.0 cm to 536.3 cm	491.9 cm
19 March 2026	483.9 cm	460.5 cm to 530.9 cm	491.0 cm
20 March 2026	480.0 cm	460.5 cm to 529.5 cm	490.1 cm
21 March 2026	481.9 cm	459.4 cm to 527.1 cm	488.2 cm
22 March 2026	484.3 cm	460.5 cm to 526.6 cm	488.8 cm
23 March 2026	503.8 cm	462.7 cm to 526.2 cm	488.5 cm
24 March 2026	511.3 cm	464.2 cm to 526.0 cm	488.7 cm
25 March 2026	592.4 cm	463.3 cm to 523.7 cm	488.5 cm
26 March 2026	558.0 cm	464.2 cm to 523.7 cm	487.8 cm
27 March 2026	491.0 cm	464.8 cm to 523.5 cm	487.4 cm
28 March 2026	535.7 cm	465.1 cm to 523.7 cm	487.4 cm
29 March 2026	504.1 cm	465.2 cm to 523.7 cm	488.2 cm
30 March 2026	555.6 cm	465.9 cm to 523.7 cm	488.2 cm
31 March 2026	503.6 cm	467.2 cm to 524.6 cm	489.0 cm
1 April 2026	483.1 cm	467.9 cm to 524.7 cm	489.1 cm
2 April 2026	502.4 cm	468.4 cm to 524.8 cm	488.8 cm
3 April 2026	484.5 cm	468.9 cm to 525.3 cm	488.8 cm
4 April 2026	524.6 cm	468.9 cm to 524.8 cm	489.1 cm
5 April 2026	542.4 cm	469.6 cm to 525.3 cm	490.1 cm
6 April 2026	527.6 cm	469.9 cm to 524.6 cm	490.3 cm
7 April 2026	473.3 cm	470.3 cm to 523.7 cm	490.6 cm
8 April 2026	465.8 cm	471.2 cm to 523.7 cm	490.8 cm
9 April 2026	474.9 cm	471.3 cm to 523.8 cm	491.2 cm
10 April 2026	523.2 cm	471.7 cm to 521.0 cm	491.2 cm
11 April 2026	464.8 cm	471.6 cm to 522.4 cm	491.3 cm
12 April 2026	524.8 cm	471.3 cm to 521.0 cm	490.8 cm
13 April 2026	504.3 cm	471.2 cm to 520.2 cm	490.0 cm
14 April 2026	494.7 cm	470.6 cm to 520.0 cm	489.5 cm
15 April 2026	477.0 cm	470.2 cm to 516.6 cm	489.0 cm
16 April 2026	487.7 cm	470.4 cm to 514.6 cm	489.4 cm
17 April 2026	485.3 cm	470.5 cm to 512.8 cm	489.7 cm
18 April 2026	495.5 cm	471.3 cm to 512.8 cm	489.7 cm
19 April 2026	503.5 cm	471.6 cm to 513.3 cm	489.7 cm
20 April 2026	481.9 cm	471.9 cm to 512.5 cm	489.3 cm
21 April 2026	467.7 cm	471.9 cm to 511.3 cm	488.1 cm
22 April 2026	475.4 cm	472.0 cm to 510.3 cm	487.7 cm
23 April 2026	491.9 cm	471.8 cm to 509.1 cm	487.1 cm
24 April 2026	497.2 cm	471.3 cm to 509.1 cm	486.9 cm
25 April 2026	502.9 cm	471.3 cm to 509.5 cm	486.8 cm
26 April 2026	488.6 cm	471.5 cm to 509.5 cm	486.8 cm
27 April 2026	482.2 cm	471.8 cm to 509.1 cm	486.9 cm
28 April 2026	471.5 cm	471.9 cm to 509.5 cm	487.1 cm
29 April 2026	460.8 cm	472.1 cm to 510.3 cm	488.0 cm
30 April 2026	457.2 cm	471.8 cm to 511.6 cm	487.5 cm
1 May 2026	466.4 cm	471.6 cm to 512.0 cm	486.9 cm
2 May 2026	487.4 cm	470.9 cm to 512.0 cm	486.9 cm
3 May 2026	489.7 cm	470.7 cm to 512.4 cm	487.1 cm
4 May 2026	495.4 cm	471.4 cm to 512.7 cm	487.0 cm
5 May 2026	492.2 cm	470.7 cm to 513.1 cm	487.3 cm
6 May 2026	495.2 cm	470.2 cm to 513.7 cm	487.4 cm
7 May 2026	486.6 cm	470.7 cm to 514.1 cm	488.7 cm
8 May 2026	484.8 cm	471.2 cm to 515.0 cm	489.5 cm
9 May 2026	492.1 cm	472.0 cm to 515.1 cm	490.4 cm
10 May 2026	485.3 cm	472.5 cm to 515.4 cm	490.9 cm
11 May 2026	523.2 cm	473.2 cm to 515.1 cm	490.9 cm
12 May 2026	523.6 cm	473.5 cm to 515.0 cm	491.3 cm
13 May 2026	512.9 cm	474.2 cm to 514.2 cm	492.3 cm
14 May 2026	512.7 cm	475.2 cm to 514.1 cm	492.8 cm
15 May 2026	538.0 cm	476.4 cm to 515.0 cm	493.4 cm
16 May 2026	527.2 cm	478.0 cm to 514.9 cm	494.0 cm
17 May 2026	496.6 cm	478.2 cm to 514.9 cm	494.3 cm
18 May 2026	493.1 cm	478.1 cm to 515.1 cm	494.3 cm
19 May 2026	480.1 cm	478.0 cm to 514.3 cm	494.4 cm
20 May 2026	496.7 cm	477.4 cm to 516.1 cm	494.3 cm
21 May 2026	497.6 cm	478.0 cm to 517.2 cm	494.7 cm
22 May 2026	485.1 cm	478.0 cm to 517.2 cm	494.4 cm
23 May 2026	493.6 cm	478.0 cm to 517.3 cm	494.8 cm
24 May 2026	493.2 cm	478.0 cm to 517.0 cm	494.8 cm
25 May 2026	488.0 cm	478.1 cm to 517.0 cm	494.4 cm
26 May 2026	496.5 cm	478.5 cm to 517.0 cm	494.3 cm
27 May 2026	486.4 cm	478.1 cm to 517.0 cm	494.0 cm
28 May 2026	473.9 cm	478.0 cm to 518.4 cm	494.0 cm
29 May 2026	483.4 cm	477.7 cm to 518.1 cm	494.2 cm
30 May 2026	502.5 cm	477.3 cm to 517.0 cm	493.8 cm
31 May 2026	496.2 cm	477.0 cm to 517.0 cm	493.7 cm
1 June 2026	499.9 cm	477.0 cm to 517.0 cm	493.3 cm
2 June 2026	501.7 cm	477.0 cm to 517.1 cm	492.8 cm
3 June 2026	515.0 cm	477.6 cm to 517.2 cm	493.0 cm
4 June 2026	520.3 cm	477.8 cm to 517.0 cm	493.6 cm
5 June 2026	524.8 cm	478.0 cm to 517.0 cm	493.9 cm
6 June 2026	495.2 cm	479.0 cm to 516.5 cm	494.5 cm
7 June 2026	515.2 cm	479.6 cm to 515.5 cm	494.4 cm
8 June 2026	497.0 cm	480.2 cm to 516.4 cm	494.6 cm
9 June 2026	525.3 cm	480.5 cm to 516.4 cm	495.7 cm
10 June 2026	516.3 cm	480.6 cm to 515.5 cm	496.0 cm
11 June 2026	506.7 cm	481.1 cm to 516.4 cm	496.4 cm
12 June 2026	516.9 cm	481.1 cm to 517.2 cm	496.8 cm
13 June 2026	543.4 cm	482.2 cm to 517.0 cm	497.4 cm
14 June 2026	530.2 cm	482.9 cm to 516.8 cm	498.3 cm
15 June 2026	519.1 cm	483.7 cm to 516.8 cm	498.8 cm
16 June 2026	490.9 cm	484.2 cm to 517.1 cm	499.4 cm
17 June 2026	490.0 cm	484.4 cm to 517.3 cm	499.7 cm
18 June 2026	497.5 cm	484.4 cm to 517.6 cm	499.6 cm
19 June 2026	493.5 cm	484.3 cm to 518.3 cm	499.4 cm
20 June 2026	501.7 cm	484.4 cm to 517.2 cm	499.3 cm
21 June 2026	492.9 cm	484.2 cm to 518.3 cm	499.2 cm
22 June 2026	481.5 cm	483.9 cm to 519.1 cm	499.5 cm
23 June 2026	477.3 cm	484.2 cm to 518.3 cm	499.9 cm
24 June 2026	501.3 cm	483.9 cm to 519.5 cm	500.0 cm
25 June 2026	488.4 cm	483.9 cm to 522.5 cm	500.0 cm
26 June 2026	492.7 cm	483.9 cm to 522.6 cm	500.3 cm
27 June 2026	497.4 cm	483.8 cm to 523.4 cm	500.2 cm
28 June 2026	505.0 cm	483.3 cm to 523.5 cm	500.3 cm
29 June 2026	511.4 cm	483.7 cm to 524.0 cm	500.4 cm
30 June 2026	495.6 cm	483.0 cm to 524.7 cm	500.4 cm
1 July 2026	498.3 cm	483.3 cm to 524.7 cm	500.3 cm
2 July 2026	525.9 cm	483.9 cm to 524.7 cm	501.1 cm
3 July 2026	529.9 cm	484.2 cm to 524.4 cm	501.9 cm
4 July 2026	503.9 cm	484.5 cm to 524.4 cm	502.4 cm
5 July 2026	510.5 cm	484.7 cm to 524.7 cm	502.8 cm
6 July 2026	510.4 cm	485.2 cm to 524.6 cm	503.0 cm
7 July 2026	528.0 cm	485.2 cm to 524.6 cm	502.5 cm
8 July 2026	509.3 cm	485.0 cm to 523.9 cm	502.9 cm
9 July 2026	506.2 cm	485.0 cm to 523.8 cm	502.3 cm
10 July 2026	504.9 cm	485.3 cm to 523.2 cm	502.1 cm
11 July 2026	496.7 cm	485.5 cm to 523.5 cm	502.1 cm
12 July 2026	492.7 cm	485.5 cm to 522.6 cm	501.7 cm
13 July 2026	483.0 cm	485.5 cm to 522.0 cm	501.6 cm
14 July 2026	489.2 cm	485.6 cm to 521.6 cm	501.6 cm
15 July 2026	486.7 cm	485.9 cm to 521.4 cm	501.5 cm
16 July 2026	487.9 cm	485.6 cm to 521.0 cm	501.3 cm
17 July 2026	504.1 cm	485.5 cm to 521.3 cm	500.9 cm
18 July 2026	529.9 cm	485.5 cm to 521.7 cm	500.6 cm
19 July 2026	527.9 cm	485.8 cm to 521.0 cm	500.8 cm
20 July 2026	502.9 cm	485.9 cm to 520.0 cm	500.7 cm
21 July 2026	498.9 cm	486.1 cm to 520.3 cm	500.9 cm
22 July 2026	522.3 cm	486.2 cm to 520.5 cm	500.9 cm
23 July 2026	506.3 cm	486.6 cm to 521.7 cm	500.9 cm
24 July 2026	506.2 cm	487.0 cm to 521.9 cm	501.4 cm
25 July 2026	525.1 cm	486.7 cm to 523.4 cm	500.9 cm
26 July 2026	539.2 cm	486.7 cm to 523.5 cm	500.6 cm
27 July 2026	529.6 cm	486.8 cm to 523.6 cm	500.8 cm
28 July 2026	504.6 cm	487.7 cm to 523.4 cm	501.0 cm
29 July 2026	504.8 cm	487.7 cm to 523.4 cm	501.3 cm
30 July 2026	508.7 cm	488.1 cm to 523.1 cm	501.6 cm
31 July 2026	503.4 cm	488.5 cm to 523.1 cm	502.0 cm
1 August 2026	502.2 cm	488.9 cm to 523.6 cm	502.5 cm
2 August 2026	495.7 cm	488.9 cm to 524.2 cm	502.9 cm
3 August 2026	485.5 cm	489.4 cm to 526.3 cm	503.4 cm
4 August 2026	491.9 cm	489.5 cm to 527.6 cm	503.4 cm
5 August 2026	505.3 cm	489.3 cm to 527.1 cm	503.2 cm
6 August 2026	526.1 cm	489.3 cm to 525.2 cm	503.3 cm
7 August 2026	500.5 cm	488.5 cm to 524.0 cm	503.0 cm
8 August 2026	500.0 cm	488.4 cm to 523.7 cm	503.0 cm
9 August 2026	511.0 cm	488.9 cm to 524.2 cm	503.4 cm
10 August 2026	525.6 cm	489.1 cm to 525.0 cm	503.7 cm
11 August 2026	502.9 cm	488.8 cm to 527.1 cm	503.5 cm
12 August 2026	474.6 cm	488.7 cm to 527.2 cm	503.5 cm
13 August 2026	482.4 cm	488.8 cm to 527.3 cm	503.8 cm
14 August 2026	495.9 cm	488.6 cm to 527.5 cm	504.0 cm
15 August 2026	504.2 cm	488.2 cm to 527.3 cm	503.8 cm
16 August 2026	498.2 cm	487.4 cm to 527.1 cm	503.7 cm
17 August 2026	504.4 cm	486.8 cm to 525.9 cm	503.6 cm
18 August 2026	504.6 cm	486.6 cm to 525.9 cm	503.0 cm
19 August 2026	518.6 cm	486.6 cm to 525.1 cm	503.1 cm
20 August 2026	514.9 cm	487.3 cm to 525.5 cm	503.6 cm
21 August 2026	512.0 cm	487.9 cm to 525.8 cm	503.7 cm
22 August 2026	522.0 cm	488.6 cm to 525.9 cm	503.7 cm
23 August 2026	510.3 cm	488.8 cm to 526.2 cm	503.9 cm
24 August 2026	490.5 cm	488.3 cm to 526.2 cm	503.9 cm
25 August 2026	480.6 cm	488.5 cm to 526.2 cm	503.9 cm
26 August 2026	486.4 cm	488.3 cm to 525.8 cm	504.2 cm
27 August 2026	483.4 cm	488.1 cm to 526.2 cm	503.8 cm
28 August 2026	507.2 cm	487.7 cm to 527.1 cm	503.8 cm
29 August 2026	524.8 cm	486.5 cm to 529.1 cm	503.6 cm
30 August 2026	520.0 cm	486.5 cm to 529.4 cm	504.0 cm
31 August 2026	517.0 cm	486.9 cm to 529.1 cm	504.3 cm
1 September 2026	521.6 cm	488.1 cm to 530.0 cm	505.1 cm
2 September 2026	514.2 cm	486.8 cm to 529.7 cm	505.3 cm
3 September 2026	521.9 cm	486.6 cm to 529.9 cm	505.2 cm
4 September 2026	552.9 cm	486.0 cm to 530.6 cm	505.2 cm
5 September 2026	573.2 cm	484.9 cm to 531.5 cm	505.1 cm
6 September 2026	494.2 cm	484.2 cm to 532.3 cm	505.2 cm
7 September 2026	520.6 cm	484.2 cm to 535.0 cm	505.0 cm
8 September 2026	529.4 cm	484.9 cm to 535.4 cm	505.5 cm
9 September 2026	541.8 cm	485.5 cm to 538.1 cm	505.6 cm
10 September 2026	503.5 cm	485.5 cm to 540.0 cm	506.1 cm
11 September 2026	511.4 cm	485.5 cm to 540.3 cm	506.8 cm
12 September 2026	505.2 cm	485.1 cm to 539.6 cm	506.9 cm
13 September 2026	520.8 cm	484.7 cm to 539.2 cm	507.2 cm
14 September 2026	494.8 cm	484.7 cm to 539.6 cm	507.3 cm
15 September 2026	510.0 cm	485.1 cm to 539.9 cm	507.7 cm
16 September 2026	529.2 cm	484.9 cm to 540.3 cm	507.6 cm
17 September 2026	519.3 cm	484.6 cm to 541.2 cm	507.9 cm
18 September 2026	550.2 cm	484.6 cm to 540.5 cm	508.5 cm
19 September 2026	544.8 cm	484.2 cm to 539.6 cm	508.5 cm
20 September 2026	576.1 cm	484.3 cm to 540.0 cm	508.5 cm
21 September 2026	519.1 cm	484.2 cm to 541.3 cm	508.3 cm
22 September 2026	501.1 cm	484.0 cm to 540.4 cm	508.1 cm
23 September 2026	507.4 cm	483.2 cm to 539.9 cm	507.4 cm
24 September 2026	527.6 cm	481.6 cm to 539.7 cm	507.2 cm
25 September 2026	504.8 cm	481.6 cm to 540.6 cm	507.3 cm
26 September 2026	513.2 cm	481.8 cm to 542.9 cm	507.3 cm
27 September 2026	497.0 cm	481.8 cm to 544.6 cm	507.4 cm
28 September 2026	514.6 cm	481.8 cm to 546.3 cm	507.6 cm
29 September 2026	489.6 cm	481.5 cm to 546.7 cm	508.1 cm
30 September 2026	484.0 cm	481.4 cm to 546.7 cm	508.1 cm
1 October 2026	521.7 cm	480.7 cm to 546.3 cm	508.9 cm
2 October 2026	501.1 cm	481.5 cm to 546.6 cm	508.5 cm
3 October 2026	498.4 cm	481.5 cm to 548.4 cm	508.1 cm
4 October 2026	503.4 cm	479.8 cm to 548.6 cm	507.8 cm

The last 10 years, weekly averages

Level

Weekly averages of the North Sea at Norderney Riffgat from the week of 3 October 2016 to 4 October 2026.

Table: The last 10 years, weekly averages

Week starting	Weekly average (cm)
3 October 2016	474.4 cm
10 October 2016	469.6 cm
17 October 2016	493.5 cm
24 October 2016	509.1 cm
31 October 2016	516.1 cm
7 November 2016	484.9 cm
14 November 2016	520.7 cm
21 November 2016	497.4 cm
28 November 2016	503.2 cm
5 December 2016	510.1 cm
12 December 2016	491.7 cm
19 December 2016	528.9 cm
26 December 2016	534.7 cm
2 January 2017	517.2 cm
9 January 2017	550.6 cm
16 January 2017	475.4 cm
23 January 2017	488.1 cm
30 January 2017	479.7 cm
6 February 2017	448.4 cm
13 February 2017	471.1 cm
20 February 2017	532.2 cm
27 February 2017	508.0 cm
6 March 2017	490.1 cm
13 March 2017	507.2 cm
20 March 2017	488.9 cm
27 March 2017	481.6 cm
3 April 2017	493.8 cm
10 April 2017	512.8 cm
17 April 2017	493.6 cm
24 April 2017	490.4 cm
1 May 2017	476.1 cm
8 May 2017	492.0 cm
15 May 2017	494.9 cm
22 May 2017	484.6 cm
29 May 2017	497.1 cm
5 June 2017	no value
12 June 2017	499.8 cm
19 June 2017	504.5 cm
26 June 2017	503.1 cm
3 July 2017	494.3 cm
10 July 2017	502.2 cm
17 July 2017	488.8 cm
24 July 2017	503.2 cm
31 July 2017	514.7 cm
7 August 2017	496.8 cm
14 August 2017	504.5 cm
21 August 2017	493.6 cm
28 August 2017	502.9 cm
4 September 2017	510.4 cm
11 September 2017	527.5 cm
18 September 2017	491.3 cm
25 September 2017	488.5 cm
2 October 2017	557.3 cm
9 October 2017	520.2 cm
16 October 2017	505.2 cm
23 October 2017	545.1 cm
30 October 2017	515.5 cm
6 November 2017	521.9 cm
13 November 2017	535.4 cm
20 November 2017	524.5 cm
27 November 2017	519.9 cm
4 December 2017	541.5 cm
11 December 2017	520.0 cm
18 December 2017	502.5 cm
25 December 2017	531.5 cm
1 January 2018	522.2 cm
8 January 2018	472.6 cm
15 January 2018	528.1 cm
22 January 2018	510.4 cm
29 January 2018	510.9 cm
5 February 2018	491.1 cm
12 February 2018	494.4 cm
19 February 2018	459.9 cm
26 February 2018	418.7 cm
5 March 2018	493.8 cm
12 March 2018	449.6 cm
19 March 2018	489.0 cm
26 March 2018	479.9 cm
2 April 2018	489.3 cm
9 April 2018	479.8 cm
16 April 2018	480.4 cm
23 April 2018	499.0 cm
30 April 2018	488.1 cm
7 May 2018	489.3 cm
14 May 2018	487.8 cm
21 May 2018	479.5 cm
28 May 2018	487.0 cm
4 June 2018	492.4 cm
11 June 2018	498.2 cm
18 June 2018	512.7 cm
25 June 2018	480.7 cm
2 July 2018	490.1 cm
9 July 2018	489.6 cm
16 July 2018	491.0 cm
23 July 2018	492.5 cm
30 July 2018	493.2 cm
6 August 2018	507.0 cm
13 August 2018	499.8 cm
20 August 2018	506.6 cm
27 August 2018	496.8 cm
3 September 2018	499.9 cm
10 September 2018	508.5 cm
17 September 2018	536.1 cm
24 September 2018	508.9 cm
1 October 2018	521.2 cm
8 October 2018	495.8 cm
15 October 2018	503.6 cm
22 October 2018	532.4 cm
29 October 2018	493.5 cm
5 November 2018	498.1 cm
12 November 2018	495.4 cm
19 November 2018	466.2 cm
26 November 2018	497.8 cm
3 December 2018	548.8 cm
10 December 2018	481.2 cm
17 December 2018	510.8 cm
24 December 2018	507.6 cm
31 December 2018	522.3 cm
7 January 2019	538.9 cm
14 January 2019	525.8 cm
21 January 2019	501.3 cm
28 January 2019	504.8 cm
4 February 2019	513.6 cm
11 February 2019	503.8 cm
18 February 2019	497.9 cm
25 February 2019	502.2 cm
4 March 2019	547.0 cm
11 March 2019	560.7 cm
18 March 2019	499.5 cm
25 March 2019	500.5 cm
1 April 2019	481.7 cm
8 April 2019	474.9 cm
15 April 2019	471.0 cm
22 April 2019	492.7 cm
29 April 2019	506.7 cm
6 May 2019	498.4 cm
13 May 2019	482.8 cm
20 May 2019	502.5 cm
27 May 2019	500.9 cm
3 June 2019	498.3 cm
10 June 2019	493.6 cm
17 June 2019	494.4 cm
24 June 2019	489.7 cm
1 July 2019	514.5 cm
8 July 2019	506.2 cm
15 July 2019	502.4 cm
22 July 2019	497.3 cm
29 July 2019	500.9 cm
5 August 2019	515.6 cm
12 August 2019	512.9 cm
19 August 2019	499.9 cm
26 August 2019	503.4 cm
2 September 2019	516.6 cm
9 September 2019	512.9 cm
16 September 2019	505.1 cm
23 September 2019	520.9 cm
30 September 2019	513.6 cm
7 October 2019	531.6 cm
14 October 2019	517.8 cm
21 October 2019	528.1 cm
28 October 2019	501.6 cm
4 November 2019	510.2 cm
11 November 2019	499.3 cm
18 November 2019	497.4 cm
25 November 2019	513.5 cm
2 December 2019	536.0 cm
9 December 2019	539.9 cm
16 December 2019	518.7 cm
23 December 2019	506.2 cm
30 December 2019	523.8 cm
6 January 2020	530.1 cm
13 January 2020	530.9 cm
20 January 2020	504.5 cm
27 January 2020	544.9 cm
3 February 2020	515.6 cm
10 February 2020	572.1 cm
17 February 2020	576.6 cm
24 February 2020	529.6 cm
2 March 2020	513.2 cm
9 March 2020	525.8 cm
16 March 2020	484.7 cm
23 March 2020	470.9 cm
30 March 2020	495.6 cm
6 April 2020	488.0 cm
13 April 2020	492.9 cm
20 April 2020	476.3 cm
27 April 2020	505.9 cm
4 May 2020	491.0 cm
11 May 2020	500.2 cm
18 May 2020	501.3 cm
25 May 2020	482.0 cm
1 June 2020	508.3 cm
8 June 2020	491.7 cm
15 June 2020	500.3 cm
22 June 2020	495.8 cm
29 June 2020	523.0 cm
6 July 2020	508.5 cm
13 July 2020	502.5 cm
20 July 2020	501.5 cm
27 July 2020	517.6 cm
3 August 2020	501.5 cm
10 August 2020	494.6 cm
17 August 2020	511.6 cm
24 August 2020	519.9 cm
31 August 2020	510.9 cm
7 September 2020	513.5 cm
14 September 2020	489.8 cm
21 September 2020	523.1 cm
28 September 2020	497.7 cm
5 October 2020	521.9 cm
12 October 2020	493.4 cm
19 October 2020	512.3 cm
26 October 2020	528.5 cm
2 November 2020	520.7 cm
9 November 2020	502.9 cm
16 November 2020	541.3 cm
23 November 2020	510.1 cm
30 November 2020	506.7 cm
7 December 2020	494.1 cm
14 December 2020	503.2 cm
21 December 2020	520.1 cm
28 December 2020	504.2 cm
4 January 2021	487.6 cm
11 January 2021	510.6 cm
18 January 2021	540.1 cm
25 January 2021	506.5 cm
1 February 2021	453.7 cm
8 February 2021	457.8 cm
15 February 2021	504.5 cm
22 February 2021	507.7 cm
1 March 2021	486.8 cm
8 March 2021	529.2 cm
15 March 2021	499.7 cm
22 March 2021	503.4 cm
29 March 2021	496.2 cm
5 April 2021	541.4 cm
12 April 2021	489.8 cm
19 April 2021	493.8 cm
26 April 2021	490.5 cm
3 May 2021	524.2 cm
10 May 2021	501.1 cm
17 May 2021	512.4 cm
24 May 2021	490.0 cm
31 May 2021	486.5 cm
7 June 2021	497.4 cm
14 June 2021	498.4 cm
21 June 2021	497.2 cm
28 June 2021	498.9 cm
5 July 2021	502.4 cm
12 July 2021	502.1 cm
19 July 2021	496.0 cm
26 July 2021	517.3 cm
2 August 2021	510.4 cm
9 August 2021	507.6 cm
16 August 2021	520.9 cm
23 August 2021	497.4 cm
30 August 2021	491.8 cm
6 September 2021	500.1 cm
13 September 2021	506.2 cm
20 September 2021	519.0 cm
27 September 2021	527.2 cm
4 October 2021	503.7 cm
11 October 2021	526.2 cm
18 October 2021	538.0 cm
25 October 2021	524.1 cm
1 November 2021	538.5 cm
8 November 2021	513.1 cm
15 November 2021	525.8 cm
22 November 2021	517.4 cm
29 November 2021	537.1 cm
6 December 2021	490.8 cm
13 December 2021	509.4 cm
20 December 2021	491.1 cm
27 December 2021	525.6 cm
3 January 2022	547.6 cm
10 January 2022	509.0 cm
17 January 2022	520.5 cm
24 January 2022	544.1 cm
31 January 2022	551.9 cm
7 February 2022	530.9 cm
14 February 2022	562.0 cm
21 February 2022	541.3 cm
28 February 2022	477.9 cm
7 March 2022	477.0 cm
14 March 2022	477.7 cm
21 March 2022	482.3 cm
28 March 2022	483.7 cm
4 April 2022	537.9 cm
11 April 2022	487.4 cm
18 April 2022	481.4 cm
25 April 2022	483.9 cm
2 May 2022	486.8 cm
9 May 2022	501.6 cm
16 May 2022	495.3 cm
23 May 2022	525.5 cm
30 May 2022	490.4 cm
6 June 2022	514.0 cm
13 June 2022	502.3 cm
20 June 2022	505.0 cm
27 June 2022	499.6 cm
4 July 2022	510.8 cm
11 July 2022	502.4 cm
18 July 2022	500.1 cm
25 July 2022	507.0 cm
1 August 2022	504.5 cm
8 August 2022	494.6 cm
15 August 2022	510.5 cm
22 August 2022	502.1 cm
29 August 2022	480.6 cm
5 September 2022	499.4 cm
12 September 2022	543.9 cm
19 September 2022	508.8 cm
26 September 2022	527.8 cm
3 October 2022	526.1 cm
10 October 2022	518.2 cm
17 October 2022	501.8 cm
24 October 2022	518.9 cm
31 October 2022	533.4 cm
7 November 2022	529.2 cm
14 November 2022	479.3 cm
21 November 2022	509.3 cm
28 November 2022	493.6 cm
5 December 2022	512.5 cm
12 December 2022	509.1 cm
19 December 2022	525.1 cm
26 December 2022	540.8 cm
2 January 2023	534.8 cm
9 January 2023	557.7 cm
16 January 2023	525.1 cm
23 January 2023	489.8 cm
30 January 2023	554.7 cm
6 February 2023	496.2 cm
13 February 2023	514.3 cm
20 February 2023	517.0 cm
27 February 2023	492.0 cm
6 March 2023	512.4 cm
13 March 2023	523.9 cm
20 March 2023	516.6 cm
27 March 2023	513.4 cm
3 April 2023	480.5 cm
10 April 2023	501.3 cm
17 April 2023	478.4 cm
24 April 2023	509.3 cm
1 May 2023	480.6 cm
8 May 2023	494.6 cm
15 May 2023	493.1 cm
22 May 2023	491.5 cm
29 May 2023	484.4 cm
5 June 2023	486.2 cm
12 June 2023	496.5 cm
19 June 2023	502.1 cm
26 June 2023	526.0 cm
3 July 2023	513.1 cm
10 July 2023	513.8 cm
17 July 2023	513.4 cm
24 July 2023	522.2 cm
31 July 2023	517.9 cm
7 August 2023	528.8 cm
14 August 2023	500.2 cm
21 August 2023	509.7 cm
28 August 2023	512.3 cm
4 September 2023	504.6 cm
11 September 2023	508.0 cm
18 September 2023	526.2 cm
25 September 2023	518.5 cm
2 October 2023	533.7 cm
9 October 2023	552.6 cm
16 October 2023	475.7 cm
23 October 2023	517.1 cm
30 October 2023	540.5 cm
6 November 2023	544.2 cm
13 November 2023	521.8 cm
20 November 2023	547.8 cm
27 November 2023	503.0 cm
4 December 2023	499.8 cm
11 December 2023	518.1 cm
18 December 2023	580.1 cm
25 December 2023	539.1 cm
1 January 2024	507.6 cm
8 January 2024	498.6 cm
15 January 2024	549.9 cm
22 January 2024	550.8 cm
29 January 2024	538.5 cm
5 February 2024	524.7 cm
12 February 2024	510.1 cm
19 February 2024	531.2 cm
26 February 2024	492.3 cm
4 March 2024	474.0 cm
11 March 2024	495.9 cm
18 March 2024	524.2 cm
25 March 2024	506.9 cm
1 April 2024	522.7 cm
8 April 2024	526.0 cm
15 April 2024	524.0 cm
22 April 2024	502.3 cm
29 April 2024	499.3 cm
6 May 2024	489.2 cm
13 May 2024	496.9 cm
20 May 2024	491.5 cm
27 May 2024	509.9 cm
3 June 2024	517.2 cm
10 June 2024	516.9 cm
17 June 2024	506.3 cm
24 June 2024	504.3 cm
1 July 2024	529.6 cm
8 July 2024	508.4 cm
15 July 2024	508.4 cm
22 July 2024	507.6 cm
29 July 2024	505.2 cm
5 August 2024	514.6 cm
12 August 2024	514.5 cm
19 August 2024	524.6 cm
26 August 2024	500.7 cm
2 September 2024	497.7 cm
9 September 2024	528.4 cm
16 September 2024	487.5 cm
23 September 2024	530.6 cm
30 September 2024	488.3 cm
7 October 2024	537.4 cm
14 October 2024	499.3 cm
21 October 2024	515.4 cm
28 October 2024	511.2 cm
4 November 2024	490.2 cm
11 November 2024	528.4 cm
18 November 2024	537.4 cm
25 November 2024	523.7 cm
2 December 2024	521.7 cm
9 December 2024	487.2 cm
16 December 2024	556.2 cm
23 December 2024	511.3 cm
30 December 2024	531.9 cm
6 January 2025	545.8 cm
13 January 2025	504.7 cm
20 January 2025	516.6 cm
27 January 2025	512.1 cm
3 February 2025	483.3 cm
10 February 2025	459.7 cm
17 February 2025	480.1 cm
24 February 2025	508.1 cm
3 March 2025	506.6 cm
10 March 2025	507.1 cm
17 March 2025	477.9 cm
24 March 2025	513.8 cm
31 March 2025	478.4 cm
7 April 2025	490.4 cm
14 April 2025	499.1 cm
21 April 2025	493.0 cm
28 April 2025	498.1 cm
5 May 2025	484.9 cm
12 May 2025	493.0 cm
19 May 2025	511.8 cm
26 May 2025	506.9 cm
2 June 2025	519.1 cm
9 June 2025	496.3 cm
16 June 2025	495.2 cm
23 June 2025	520.3 cm
30 June 2025	506.0 cm
7 July 2025	506.8 cm
14 July 2025	502.5 cm
21 July 2025	512.9 cm
28 July 2025	522.5 cm
4 August 2025	524.1 cm
11 August 2025	499.0 cm
18 August 2025	507.5 cm
25 August 2025	510.8 cm
1 September 2025	516.4 cm
8 September 2025	511.8 cm
15 September 2025	542.6 cm
22 September 2025	488.2 cm
29 September 2025	523.3 cm
6 October 2025	516.8 cm
13 October 2025	498.5 cm
20 October 2025	565.6 cm
27 October 2025	540.5 cm
3 November 2025	517.5 cm
10 November 2025	504.6 cm
17 November 2025	518.0 cm
24 November 2025	524.7 cm
1 December 2025	503.5 cm
8 December 2025	525.9 cm
15 December 2025	520.8 cm
22 December 2025	464.0 cm
29 December 2025	555.5 cm
5 January 2026	473.2 cm
12 January 2026	507.4 cm
19 January 2026	447.0 cm
26 January 2026	463.1 cm
2 February 2026	444.8 cm
9 February 2026	493.5 cm
16 February 2026	493.5 cm
23 February 2026	512.4 cm
2 March 2026	487.4 cm
9 March 2026	514.8 cm
16 March 2026	494.1 cm
23 March 2026	528.0 cm
30 March 2026	513.8 cm
6 April 2026	493.5 cm
13 April 2026	492.6 cm
20 April 2026	486.5 cm
27 April 2026	473.6 cm
4 May 2026	490.2 cm
11 May 2026	519.2 cm
18 May 2026	491.3 cm
25 May 2026	489.6 cm
1 June 2026	510.3 cm
8 June 2026	519.4 cm
15 June 2026	497.9 cm
22 June 2026	491.9 cm
29 June 2026	510.8 cm
6 July 2026	506.9 cm
13 July 2026	501.2 cm
20 July 2026	514.4 cm
27 July 2026	507.0 cm
3 August 2026	502.9 cm
10 August 2026	497.7 cm
17 August 2026	512.4 cm
24 August 2026	499.0 cm
31 August 2026	527.9 cm
7 September 2026	519.0 cm
14 September 2026	532.1 cm
21 September 2026	510.0 cm
28 September 2026	501.8 cm

The whole record since 2000, weekly averages

Level

Weekly averages of the North Sea at Norderney Riffgat from 1 January 2000 to 4 October 2026.

Table: The whole record since 2000, weekly averages

Week starting	Weekly average (cm)
27 December 1999	no value
3 January 2000	521.4 cm
10 January 2000	492.6 cm
17 January 2000	521.1 cm
24 January 2000	532.6 cm
31 January 2000	530.3 cm
7 February 2000	553.7 cm
14 February 2000	515.3 cm
21 February 2000	491.6 cm
28 February 2000	549.8 cm
6 March 2000	520.3 cm
13 March 2000	506.9 cm
20 March 2000	478.1 cm
27 March 2000	476.5 cm
3 April 2000	484.4 cm
10 April 2000	494.6 cm
17 April 2000	491.1 cm
24 April 2000	489.2 cm
1 May 2000	476.4 cm
8 May 2000	479.0 cm
15 May 2000	499.7 cm
22 May 2000	509.5 cm
29 May 2000	496.8 cm
5 June 2000	490.4 cm
12 June 2000	497.8 cm
19 June 2000	505.6 cm
26 June 2000	506.3 cm
3 July 2000	495.9 cm
10 July 2000	523.7 cm
17 July 2000	499.3 cm
24 July 2000	499.1 cm
31 July 2000	491.2 cm
7 August 2000	497.6 cm
14 August 2000	501.7 cm
21 August 2000	489.4 cm
28 August 2000	502.4 cm
4 September 2000	511.8 cm
11 September 2000	497.4 cm
18 September 2000	474.7 cm
25 September 2000	498.0 cm
2 October 2000	506.5 cm
9 October 2000	490.9 cm
16 October 2000	498.5 cm
23 October 2000	530.3 cm
30 October 2000	535.6 cm
6 November 2000	501.2 cm
13 November 2000	506.4 cm
20 November 2000	495.9 cm
27 November 2000	511.5 cm
4 December 2000	516.0 cm
11 December 2000	562.6 cm
18 December 2000	482.1 cm
25 December 2000	512.8 cm
1 January 2001	526.6 cm
8 January 2001	491.0 cm
15 January 2001	480.6 cm
22 January 2001	498.7 cm
29 January 2001	473.5 cm
5 February 2001	493.9 cm
12 February 2001	492.2 cm
19 February 2001	517.1 cm
26 February 2001	482.9 cm
5 March 2001	502.2 cm
12 March 2001	503.4 cm
19 March 2001	483.5 cm
26 March 2001	473.3 cm
2 April 2001	512.5 cm
9 April 2001	489.0 cm
16 April 2001	501.3 cm
23 April 2001	489.4 cm
30 April 2001	485.7 cm
7 May 2001	472.3 cm
14 May 2001	505.9 cm
21 May 2001	480.6 cm
28 May 2001	521.7 cm
4 June 2001	500.4 cm
11 June 2001	494.1 cm
18 June 2001	496.4 cm
25 June 2001	491.3 cm
2 July 2001	490.1 cm
9 July 2001	517.6 cm
16 July 2001	496.6 cm
23 July 2001	491.9 cm
30 July 2001	501.5 cm
6 August 2001	512.4 cm
13 August 2001	501.4 cm
20 August 2001	496.4 cm
27 August 2001	513.2 cm
3 September 2001	543.4 cm
10 September 2001	539.3 cm
17 September 2001	501.0 cm
24 September 2001	499.5 cm
1 October 2001	523.9 cm
8 October 2001	520.7 cm
15 October 2001	494.8 cm
22 October 2001	521.2 cm
29 October 2001	550.8 cm
5 November 2001	536.9 cm
12 November 2001	502.0 cm
19 November 2001	525.6 cm
26 November 2001	513.0 cm
3 December 2001	489.1 cm
10 December 2001	477.8 cm
17 December 2001	523.5 cm
24 December 2001	559.3 cm
31 December 2001	494.8 cm
7 January 2002	496.2 cm
14 January 2002	514.7 cm
21 January 2002	548.4 cm
28 January 2002	537.9 cm
4 February 2002	546.6 cm
11 February 2002	509.9 cm
18 February 2002	564.8 cm
25 February 2002	534.5 cm
4 March 2002	539.3 cm
11 March 2002	470.4 cm
18 March 2002	501.1 cm
25 March 2002	481.6 cm
1 April 2002	471.8 cm
8 April 2002	484.3 cm
15 April 2002	485.3 cm
22 April 2002	507.0 cm
29 April 2002	506.3 cm
6 May 2002	485.2 cm
13 May 2002	488.5 cm
20 May 2002	498.2 cm
27 May 2002	490.2 cm
3 June 2002	493.1 cm
10 June 2002	501.9 cm
17 June 2002	504.8 cm
24 June 2002	516.6 cm
1 July 2002	509.4 cm
8 July 2002	493.4 cm
15 July 2002	500.1 cm
22 July 2002	508.9 cm
29 July 2002	no value
5 August 2002	no value
12 August 2002	494.0 cm
19 August 2002	502.2 cm
26 August 2002	500.8 cm
2 September 2002	503.2 cm
9 September 2002	494.2 cm
16 September 2002	515.9 cm
23 September 2002	507.5 cm
30 September 2002	516.3 cm
7 October 2002	457.4 cm
14 October 2002	518.2 cm
21 October 2002	550.7 cm
28 October 2002	504.7 cm
4 November 2002	514.6 cm
11 November 2002	523.0 cm
18 November 2002	483.7 cm
25 November 2002	501.7 cm
2 December 2002	469.9 cm
9 December 2002	450.5 cm
16 December 2002	495.2 cm
23 December 2002	498.8 cm
30 December 2002	516.1 cm
6 January 2003	510.0 cm
13 January 2003	542.9 cm
20 January 2003	511.4 cm
27 January 2003	536.0 cm
3 February 2003	517.2 cm
10 February 2003	481.0 cm
17 February 2003	470.8 cm
24 February 2003	487.1 cm
3 March 2003	498.9 cm
10 March 2003	496.2 cm
17 March 2003	482.0 cm
24 March 2003	503.0 cm
31 March 2003	515.7 cm
7 April 2003	491.1 cm
14 April 2003	469.4 cm
21 April 2003	no value
28 April 2003	no value
5 May 2003	no value
12 May 2003	500.0 cm
19 May 2003	509.2 cm
26 May 2003	490.5 cm
2 June 2003	503.9 cm
9 June 2003	510.1 cm
16 June 2003	514.6 cm
23 June 2003	507.4 cm
30 June 2003	520.6 cm
7 July 2003	507.4 cm
14 July 2003	492.9 cm
21 July 2003	509.9 cm
28 July 2003	501.8 cm
4 August 2003	493.1 cm
11 August 2003	512.0 cm
18 August 2003	522.8 cm
25 August 2003	515.5 cm
1 September 2003	503.6 cm
8 September 2003	507.8 cm
15 September 2003	508.7 cm
22 September 2003	523.3 cm
29 September 2003	520.4 cm
6 October 2003	564.6 cm
13 October 2003	477.7 cm
20 October 2003	499.0 cm
27 October 2003	516.8 cm
3 November 2003	499.6 cm
10 November 2003	500.6 cm
17 November 2003	523.6 cm
24 November 2003	495.3 cm
1 December 2003	486.4 cm
8 December 2003	519.6 cm
15 December 2003	546.7 cm
22 December 2003	519.7 cm
29 December 2003	481.5 cm
5 January 2004	494.6 cm
12 January 2004	527.0 cm
19 January 2004	no value
26 January 2004	no value
2 February 2004	546.4 cm
9 February 2004	503.5 cm
16 February 2004	485.6 cm
23 February 2004	514.6 cm
1 March 2004	489.5 cm
8 March 2004	470.5 cm
15 March 2004	529.7 cm
22 March 2004	486.9 cm
29 March 2004	473.4 cm
5 April 2004	497.5 cm
12 April 2004	493.9 cm
19 April 2004	485.6 cm
26 April 2004	481.7 cm
3 May 2004	497.4 cm
10 May 2004	497.6 cm
17 May 2004	498.7 cm
24 May 2004	492.3 cm
31 May 2004	492.4 cm
7 June 2004	499.5 cm
14 June 2004	513.2 cm
21 June 2004	519.3 cm
28 June 2004	515.8 cm
5 July 2004	498.9 cm
12 July 2004	512.1 cm
19 July 2004	490.4 cm
26 July 2004	495.3 cm
2 August 2004	492.6 cm
9 August 2004	501.2 cm
16 August 2004	508.4 cm
23 August 2004	512.9 cm
30 August 2004	506.6 cm
6 September 2004	492.7 cm
13 September 2004	522.8 cm
20 September 2004	565.9 cm
27 September 2004	507.7 cm
4 October 2004	511.8 cm
11 October 2004	479.6 cm
18 October 2004	524.1 cm
25 October 2004	511.3 cm
1 November 2004	509.9 cm
8 November 2004	513.3 cm
15 November 2004	536.6 cm
22 November 2004	514.8 cm
29 November 2004	506.0 cm
6 December 2004	503.1 cm
13 December 2004	522.9 cm
20 December 2004	542.2 cm
27 December 2004	527.4 cm
3 January 2005	566.1 cm
10 January 2005	524.8 cm
17 January 2005	565.7 cm
24 January 2005	485.1 cm
31 January 2005	493.4 cm
7 February 2005	515.4 cm
14 February 2005	501.9 cm
21 February 2005	458.6 cm
28 February 2005	479.9 cm
7 March 2005	501.5 cm
14 March 2005	501.7 cm
21 March 2005	483.9 cm
28 March 2005	468.1 cm
4 April 2005	509.9 cm
11 April 2005	490.5 cm
18 April 2005	478.9 cm
25 April 2005	481.9 cm
2 May 2005	509.3 cm
9 May 2005	488.6 cm
16 May 2005	493.3 cm
23 May 2005	489.3 cm
30 May 2005	502.2 cm
6 June 2005	500.0 cm
13 June 2005	500.2 cm
20 June 2005	497.3 cm
27 June 2005	496.0 cm
4 July 2005	502.3 cm
11 July 2005	494.2 cm
18 July 2005	528.6 cm
25 July 2005	505.0 cm
1 August 2005	511.9 cm
8 August 2005	518.4 cm
15 August 2005	497.9 cm
22 August 2005	511.0 cm
29 August 2005	493.4 cm
5 September 2005	497.4 cm
12 September 2005	515.6 cm
19 September 2005	497.3 cm
26 September 2005	527.1 cm
3 October 2005	490.7 cm
10 October 2005	487.7 cm
17 October 2005	490.2 cm
24 October 2005	518.4 cm
31 October 2005	525.6 cm
7 November 2005	523.5 cm
14 November 2005	521.8 cm
21 November 2005	494.8 cm
28 November 2005	493.9 cm
5 December 2005	492.7 cm
12 December 2005	542.3 cm
19 December 2005	506.8 cm
26 December 2005	487.1 cm
2 January 2006	459.1 cm
9 January 2006	489.8 cm
16 January 2006	489.0 cm
23 January 2006	467.0 cm
30 January 2006	477.9 cm
6 February 2006	526.5 cm
13 February 2006	493.6 cm
20 February 2006	457.9 cm
27 February 2006	507.0 cm
6 March 2006	480.4 cm
13 March 2006	443.6 cm
20 March 2006	480.3 cm
27 March 2006	505.6 cm
3 April 2006	518.1 cm
10 April 2006	499.7 cm
17 April 2006	491.5 cm
24 April 2006	484.3 cm
1 May 2006	473.8 cm
8 May 2006	477.6 cm
15 May 2006	497.6 cm
22 May 2006	513.1 cm
29 May 2006	501.2 cm
5 June 2006	474.7 cm
12 June 2006	487.7 cm
19 June 2006	503.6 cm
26 June 2006	484.0 cm
3 July 2006	498.0 cm
10 July 2006	488.3 cm
17 July 2006	494.5 cm
24 July 2006	496.2 cm
31 July 2006	512.5 cm
7 August 2006	507.0 cm
14 August 2006	511.5 cm
21 August 2006	510.6 cm
28 August 2006	529.0 cm
4 September 2006	510.6 cm
11 September 2006	498.6 cm
18 September 2006	510.2 cm
25 September 2006	515.9 cm
2 October 2006	540.5 cm
9 October 2006	492.6 cm
16 October 2006	509.4 cm
23 October 2006	531.4 cm
30 October 2006	552.6 cm
6 November 2006	554.5 cm
13 November 2006	534.6 cm
20 November 2006	524.7 cm
27 November 2006	513.1 cm
4 December 2006	540.9 cm
11 December 2006	550.7 cm
18 December 2006	487.1 cm
25 December 2006	498.2 cm
1 January 2007	542.8 cm
8 January 2007	571.7 cm
15 January 2007	559.4 cm
22 January 2007	505.6 cm
29 January 2007	507.8 cm
5 February 2007	476.2 cm
12 February 2007	496.6 cm
19 February 2007	487.9 cm
26 February 2007	524.2 cm
5 March 2007	506.9 cm
12 March 2007	528.0 cm
19 March 2007	494.3 cm
26 March 2007	472.1 cm
2 April 2007	482.2 cm
9 April 2007	484.4 cm
16 April 2007	487.9 cm
23 April 2007	482.1 cm
30 April 2007	477.2 cm
7 May 2007	517.7 cm
14 May 2007	499.1 cm
21 May 2007	493.4 cm
28 May 2007	492.4 cm
4 June 2007	487.1 cm
11 June 2007	495.3 cm
18 June 2007	496.9 cm
25 June 2007	530.8 cm
2 July 2007	512.0 cm
9 July 2007	505.8 cm
16 July 2007	493.7 cm
23 July 2007	522.5 cm
30 July 2007	510.8 cm
6 August 2007	501.9 cm
13 August 2007	506.1 cm
20 August 2007	496.1 cm
27 August 2007	508.6 cm
3 September 2007	512.9 cm
10 September 2007	518.6 cm
17 September 2007	519.9 cm
24 September 2007	508.2 cm
1 October 2007	493.9 cm
8 October 2007	497.2 cm
15 October 2007	510.9 cm
22 October 2007	485.2 cm
29 October 2007	510.4 cm
5 November 2007	575.4 cm
12 November 2007	500.9 cm
19 November 2007	514.0 cm
26 November 2007	533.4 cm
3 December 2007	559.5 cm
10 December 2007	483.1 cm
17 December 2007	479.4 cm
24 December 2007	517.3 cm
31 December 2007	465.9 cm
7 January 2008	517.7 cm
14 January 2008	525.9 cm
21 January 2008	538.3 cm
28 January 2008	535.3 cm
4 February 2008	501.6 cm
11 February 2008	473.3 cm
18 February 2008	517.0 cm
25 February 2008	557.3 cm
3 March 2008	515.1 cm
10 March 2008	524.9 cm
17 March 2008	517.1 cm
24 March 2008	508.4 cm
31 March 2008	501.4 cm
7 April 2008	485.3 cm
14 April 2008	478.4 cm
21 April 2008	482.6 cm
28 April 2008	492.3 cm
5 May 2008	475.7 cm
12 May 2008	487.0 cm
19 May 2008	478.7 cm
26 May 2008	478.9 cm
2 June 2008	484.7 cm
9 June 2008	508.2 cm
16 June 2008	501.2 cm
23 June 2008	504.7 cm
30 June 2008	495.4 cm
7 July 2008	512.7 cm
14 July 2008	517.7 cm
21 July 2008	495.0 cm
28 July 2008	493.3 cm
4 August 2008	510.1 cm
11 August 2008	513.2 cm
18 August 2008	503.6 cm
25 August 2008	502.0 cm
1 September 2008	509.6 cm
8 September 2008	487.9 cm
15 September 2008	480.0 cm
22 September 2008	485.6 cm
29 September 2008	544.4 cm
6 October 2008	505.2 cm
13 October 2008	524.9 cm
20 October 2008	531.6 cm
27 October 2008	507.4 cm
3 November 2008	486.2 cm
10 November 2008	535.1 cm
17 November 2008	546.5 cm
24 November 2008	506.8 cm
1 December 2008	504.6 cm
8 December 2008	482.3 cm
15 December 2008	509.4 cm
22 December 2008	479.5 cm
29 December 2008	479.7 cm
5 January 2009	494.4 cm
12 January 2009	492.1 cm
19 January 2009	516.8 cm
26 January 2009	458.7 cm
2 February 2009	485.2 cm
9 February 2009	496.3 cm
16 February 2009	496.5 cm
23 February 2009	496.5 cm
2 March 2009	498.1 cm
9 March 2009	506.9 cm
16 March 2009	481.1 cm
23 March 2009	513.1 cm
30 March 2009	485.9 cm
6 April 2009	485.3 cm
13 April 2009	481.3 cm
20 April 2009	475.6 cm
27 April 2009	484.9 cm
4 May 2009	509.5 cm
11 May 2009	471.2 cm
18 May 2009	495.2 cm
25 May 2009	490.6 cm
1 June 2009	499.4 cm
8 June 2009	498.8 cm
15 June 2009	504.1 cm
22 June 2009	481.2 cm
29 June 2009	497.1 cm
6 July 2009	526.1 cm
13 July 2009	505.4 cm
20 July 2009	505.6 cm
27 July 2009	512.6 cm
3 August 2009	493.1 cm
10 August 2009	506.3 cm
17 August 2009	498.8 cm
24 August 2009	518.9 cm
31 August 2009	531.3 cm
7 September 2009	496.7 cm
14 September 2009	485.1 cm
21 September 2009	513.2 cm
28 September 2009	543.1 cm
5 October 2009	506.7 cm
12 October 2009	505.8 cm
19 October 2009	473.0 cm
26 October 2009	495.5 cm
2 November 2009	505.9 cm
9 November 2009	498.9 cm
16 November 2009	524.4 cm
23 November 2009	557.5 cm
30 November 2009	497.5 cm
7 December 2009	503.2 cm
14 December 2009	485.3 cm
21 December 2009	520.5 cm
28 December 2009	489.9 cm
4 January 2010	475.9 cm
11 January 2010	457.6 cm
18 January 2010	465.6 cm
25 January 2010	512.4 cm
1 February 2010	492.1 cm
8 February 2010	478.5 cm
15 February 2010	483.4 cm
22 February 2010	505.4 cm
1 March 2010	491.1 cm
8 March 2010	486.5 cm
15 March 2010	494.2 cm
22 March 2010	497.6 cm
29 March 2010	491.0 cm
5 April 2010	481.9 cm
12 April 2010	474.2 cm
19 April 2010	496.6 cm
26 April 2010	493.3 cm
3 May 2010	480.1 cm
10 May 2010	489.9 cm
17 May 2010	485.5 cm
24 May 2010	497.9 cm
31 May 2010	488.6 cm
7 June 2010	503.2 cm
14 June 2010	497.1 cm
21 June 2010	485.8 cm
28 June 2010	489.6 cm
5 July 2010	500.1 cm
12 July 2010	493.1 cm
19 July 2010	496.0 cm
26 July 2010	499.6 cm
2 August 2010	501.4 cm
9 August 2010	494.4 cm
16 August 2010	515.8 cm
23 August 2010	522.4 cm
30 August 2010	498.2 cm
6 September 2010	477.2 cm
13 September 2010	544.6 cm
20 September 2010	512.1 cm
27 September 2010	482.2 cm
4 October 2010	500.7 cm
11 October 2010	497.8 cm
18 October 2010	549.0 cm
25 October 2010	514.9 cm
1 November 2010	528.6 cm
8 November 2010	521.5 cm
15 November 2010	491.0 cm
22 November 2010	491.2 cm
29 November 2010	474.2 cm
6 December 2010	526.3 cm
13 December 2010	501.5 cm
20 December 2010	488.4 cm
27 December 2010	501.7 cm
3 January 2011	508.1 cm
10 January 2011	514.0 cm
17 January 2011	495.8 cm
24 January 2011	484.7 cm
31 January 2011	527.8 cm
7 February 2011	494.1 cm
14 February 2011	463.3 cm
21 February 2011	477.5 cm
28 February 2011	464.4 cm
7 March 2011	501.3 cm
14 March 2011	472.5 cm
21 March 2011	481.0 cm
28 March 2011	495.6 cm
4 April 2011	499.6 cm
11 April 2011	496.1 cm
18 April 2011	478.2 cm
25 April 2011	478.0 cm
2 May 2011	471.9 cm
9 May 2011	500.9 cm
16 May 2011	498.0 cm
23 May 2011	512.6 cm
30 May 2011	484.4 cm
6 June 2011	494.9 cm
13 June 2011	504.5 cm
20 June 2011	503.1 cm
27 June 2011	502.6 cm
4 July 2011	488.4 cm
11 July 2011	497.6 cm
18 July 2011	524.9 cm
25 July 2011	500.5 cm
1 August 2011	494.9 cm
8 August 2011	522.0 cm
15 August 2011	500.7 cm
22 August 2011	506.6 cm
29 August 2011	512.0 cm
5 September 2011	528.8 cm
12 September 2011	526.3 cm
19 September 2011	514.4 cm
26 September 2011	489.8 cm
3 October 2011	542.1 cm
10 October 2011	504.6 cm
17 October 2011	523.2 cm
24 October 2011	475.9 cm
31 October 2011	506.3 cm
7 November 2011	477.3 cm
14 November 2011	488.4 cm
21 November 2011	535.1 cm
28 November 2011	543.9 cm
5 December 2011	576.5 cm
12 December 2011	539.2 cm
19 December 2011	525.6 cm
26 December 2011	531.7 cm
2 January 2012	588.8 cm
9 January 2012	513.7 cm
16 January 2012	542.6 cm
23 January 2012	470.5 cm
30 January 2012	449.3 cm
6 February 2012	453.3 cm
13 February 2012	514.1 cm
20 February 2012	500.3 cm
27 February 2012	483.6 cm
5 March 2012	489.6 cm
12 March 2012	487.6 cm
19 March 2012	479.1 cm
26 March 2012	497.9 cm
2 April 2012	482.3 cm
9 April 2012	505.1 cm
16 April 2012	491.4 cm
23 April 2012	481.2 cm
30 April 2012	483.7 cm
7 May 2012	487.3 cm
14 May 2012	503.8 cm
21 May 2012	479.7 cm
28 May 2012	497.8 cm
4 June 2012	497.9 cm
11 June 2012	498.0 cm
18 June 2012	491.2 cm
25 June 2012	502.0 cm
2 July 2012	484.9 cm
9 July 2012	513.3 cm
16 July 2012	508.7 cm
23 July 2012	492.3 cm
30 July 2012	496.3 cm
6 August 2012	493.0 cm
13 August 2012	488.8 cm
20 August 2012	509.9 cm
27 August 2012	503.8 cm
3 September 2012	504.3 cm
10 September 2012	530.3 cm
17 September 2012	514.1 cm
24 September 2012	509.2 cm
1 October 2012	524.2 cm
8 October 2012	502.8 cm
15 October 2012	503.6 cm
22 October 2012	500.7 cm
29 October 2012	522.5 cm
5 November 2012	528.4 cm
12 November 2012	500.0 cm
19 November 2012	508.1 cm
26 November 2012	505.5 cm
3 December 2012	508.7 cm
10 December 2012	492.4 cm
17 December 2012	460.2 cm
24 December 2012	527.0 cm
31 December 2012	519.7 cm
7 January 2013	494.7 cm
14 January 2013	464.0 cm
21 January 2013	469.5 cm
28 January 2013	540.3 cm
4 February 2013	513.2 cm
11 February 2013	455.7 cm
18 February 2013	476.2 cm
25 February 2013	471.4 cm
4 March 2013	462.2 cm
11 March 2013	469.8 cm
18 March 2013	433.0 cm
25 March 2013	462.6 cm
1 April 2013	480.0 cm
8 April 2013	480.1 cm
15 April 2013	495.9 cm
22 April 2013	488.9 cm
29 April 2013	483.6 cm
6 May 2013	491.6 cm
13 May 2013	493.7 cm
20 May 2013	509.2 cm
27 May 2013	495.2 cm
3 June 2013	477.7 cm
10 June 2013	497.6 cm
17 June 2013	494.4 cm
24 June 2013	498.3 cm
1 July 2013	497.1 cm
8 July 2013	485.1 cm
15 July 2013	489.6 cm
22 July 2013	490.4 cm
29 July 2013	507.6 cm
5 August 2013	501.3 cm
12 August 2013	508.8 cm
19 August 2013	489.4 cm
26 August 2013	504.7 cm
2 September 2013	504.1 cm
9 September 2013	506.7 cm
16 September 2013	522.3 cm
23 September 2013	486.7 cm
30 September 2013	472.0 cm
7 October 2013	500.5 cm
14 October 2013	505.0 cm
21 October 2013	520.5 cm
28 October 2013	552.2 cm
4 November 2013	540.5 cm
11 November 2013	512.2 cm
18 November 2013	491.8 cm
25 November 2013	512.7 cm
2 December 2013	553.2 cm
9 December 2013	513.6 cm
16 December 2013	523.6 cm
23 December 2013	526.5 cm
30 December 2013	502.9 cm
6 January 2014	530.9 cm
13 January 2014	484.1 cm
20 January 2014	466.1 cm
27 January 2014	463.2 cm
3 February 2014	502.5 cm
10 February 2014	523.6 cm
17 February 2014	496.8 cm
24 February 2014	496.3 cm
3 March 2014	484.6 cm
10 March 2014	499.3 cm
17 March 2014	516.2 cm
24 March 2014	471.0 cm
31 March 2014	480.4 cm
7 April 2014	513.9 cm
14 April 2014	498.8 cm
21 April 2014	483.3 cm
28 April 2014	482.1 cm
5 May 2014	515.6 cm
12 May 2014	490.1 cm
19 May 2014	483.6 cm
26 May 2014	477.5 cm
2 June 2014	489.4 cm
9 June 2014	490.2 cm
16 June 2014	506.0 cm
23 June 2014	497.8 cm
30 June 2014	506.4 cm
7 July 2014	503.1 cm
14 July 2014	490.7 cm
21 July 2014	493.6 cm
28 July 2014	496.1 cm
4 August 2014	503.4 cm
11 August 2014	521.7 cm
18 August 2014	524.5 cm
25 August 2014	496.0 cm
1 September 2014	495.1 cm
8 September 2014	497.3 cm
15 September 2014	502.1 cm
22 September 2014	516.8 cm
29 September 2014	502.4 cm
6 October 2014	502.3 cm
13 October 2014	509.7 cm
20 October 2014	545.0 cm
27 October 2014	506.2 cm
3 November 2014	506.5 cm
10 November 2014	494.0 cm
17 November 2014	490.1 cm
24 November 2014	477.0 cm
1 December 2014	501.0 cm
8 December 2014	547.5 cm
15 December 2014	559.8 cm
22 December 2014	523.4 cm
29 December 2014	537.4 cm
5 January 2015	556.5 cm
12 January 2015	543.9 cm
19 January 2015	488.8 cm
26 January 2015	536.3 cm
2 February 2015	491.3 cm
9 February 2015	481.8 cm
16 February 2015	495.1 cm
23 February 2015	507.8 cm
2 March 2015	514.6 cm
9 March 2015	468.9 cm
16 March 2015	473.1 cm
23 March 2015	499.7 cm
30 March 2015	534.1 cm
6 April 2015	484.0 cm
13 April 2015	493.7 cm
20 April 2015	487.4 cm
27 April 2015	495.4 cm
4 May 2015	502.0 cm
11 May 2015	505.5 cm
18 May 2015	494.0 cm
25 May 2015	505.1 cm
1 June 2015	497.9 cm
8 June 2015	481.3 cm
15 June 2015	496.8 cm
22 June 2015	501.8 cm
29 June 2015	486.1 cm
6 July 2015	513.4 cm
13 July 2015	494.7 cm
20 July 2015	507.4 cm
27 July 2015	517.8 cm
3 August 2015	493.7 cm
10 August 2015	498.2 cm
17 August 2015	489.0 cm
24 August 2015	511.9 cm
31 August 2015	532.7 cm
7 September 2015	485.4 cm
14 September 2015	512.1 cm
21 September 2015	510.3 cm
28 September 2015	484.4 cm
5 October 2015	495.9 cm
12 October 2015	484.6 cm
19 October 2015	517.1 cm
26 October 2015	490.2 cm
2 November 2015	512.3 cm
9 November 2015	562.1 cm
16 November 2015	556.7 cm
23 November 2015	531.9 cm
30 November 2015	554.8 cm
7 December 2015	525.5 cm
14 December 2015	505.1 cm
21 December 2015	547.2 cm
28 December 2015	461.2 cm
4 January 2016	476.5 cm
11 January 2016	500.2 cm
18 January 2016	498.0 cm
25 January 2016	549.1 cm
1 February 2016	547.5 cm
8 February 2016	517.5 cm
15 February 2016	507.4 cm
22 February 2016	506.5 cm
29 February 2016	492.2 cm
7 March 2016	471.8 cm
14 March 2016	477.6 cm
21 March 2016	494.2 cm
28 March 2016	502.3 cm
4 April 2016	499.3 cm
11 April 2016	496.4 cm
18 April 2016	504.9 cm
25 April 2016	505.2 cm
2 May 2016	488.0 cm
9 May 2016	500.2 cm
16 May 2016	501.1 cm
23 May 2016	494.2 cm
30 May 2016	495.1 cm
6 June 2016	487.7 cm
13 June 2016	508.2 cm
20 June 2016	496.5 cm
27 June 2016	513.2 cm
4 July 2016	506.4 cm
11 July 2016	516.1 cm
18 July 2016	495.5 cm
25 July 2016	506.9 cm
1 August 2016	506.7 cm
8 August 2016	524.7 cm
15 August 2016	489.6 cm
22 August 2016	496.8 cm
29 August 2016	508.5 cm
5 September 2016	502.3 cm
12 September 2016	497.3 cm
19 September 2016	497.7 cm
26 September 2016	522.2 cm
3 October 2016	474.4 cm
10 October 2016	469.6 cm
17 October 2016	493.5 cm
24 October 2016	509.1 cm
31 October 2016	516.1 cm
7 November 2016	484.9 cm
14 November 2016	520.7 cm
21 November 2016	497.4 cm
28 November 2016	503.2 cm
5 December 2016	510.1 cm
12 December 2016	491.7 cm
19 December 2016	528.9 cm
26 December 2016	534.7 cm
2 January 2017	517.2 cm
9 January 2017	550.6 cm
16 January 2017	475.4 cm
23 January 2017	488.1 cm
30 January 2017	479.7 cm
6 February 2017	448.4 cm
13 February 2017	471.1 cm
20 February 2017	532.2 cm
27 February 2017	508.0 cm
6 March 2017	490.1 cm
13 March 2017	507.2 cm
20 March 2017	488.9 cm
27 March 2017	481.6 cm
3 April 2017	493.8 cm
10 April 2017	512.8 cm
17 April 2017	493.6 cm
24 April 2017	490.4 cm
1 May 2017	476.1 cm
8 May 2017	492.0 cm
15 May 2017	494.9 cm
22 May 2017	484.6 cm
29 May 2017	497.1 cm
5 June 2017	no value
12 June 2017	499.8 cm
19 June 2017	504.5 cm
26 June 2017	503.1 cm
3 July 2017	494.3 cm
10 July 2017	502.2 cm
17 July 2017	488.8 cm
24 July 2017	503.2 cm
31 July 2017	514.7 cm
7 August 2017	496.8 cm
14 August 2017	504.5 cm
21 August 2017	493.6 cm
28 August 2017	502.9 cm
4 September 2017	510.4 cm
11 September 2017	527.5 cm
18 September 2017	491.3 cm
25 September 2017	488.5 cm
2 October 2017	557.3 cm
9 October 2017	520.2 cm
16 October 2017	505.2 cm
23 October 2017	545.1 cm
30 October 2017	515.5 cm
6 November 2017	521.9 cm
13 November 2017	535.4 cm
20 November 2017	524.5 cm
27 November 2017	519.9 cm
4 December 2017	541.5 cm
11 December 2017	520.0 cm
18 December 2017	502.5 cm
25 December 2017	531.5 cm
1 January 2018	522.2 cm
8 January 2018	472.6 cm
15 January 2018	528.1 cm
22 January 2018	510.4 cm
29 January 2018	510.9 cm
5 February 2018	491.1 cm
12 February 2018	494.4 cm
19 February 2018	459.9 cm
26 February 2018	418.7 cm
5 March 2018	493.8 cm
12 March 2018	449.6 cm
19 March 2018	489.0 cm
26 March 2018	479.9 cm
2 April 2018	489.3 cm
9 April 2018	479.8 cm
16 April 2018	480.4 cm
23 April 2018	499.0 cm
30 April 2018	488.1 cm
7 May 2018	489.3 cm
14 May 2018	487.8 cm
21 May 2018	479.5 cm
28 May 2018	487.0 cm
4 June 2018	492.4 cm
11 June 2018	498.2 cm
18 June 2018	512.7 cm
25 June 2018	480.7 cm
2 July 2018	490.1 cm
9 July 2018	489.6 cm
16 July 2018	491.0 cm
23 July 2018	492.5 cm
30 July 2018	493.2 cm
6 August 2018	507.0 cm
13 August 2018	499.8 cm
20 August 2018	506.6 cm
27 August 2018	496.8 cm
3 September 2018	499.9 cm
10 September 2018	508.5 cm
17 September 2018	536.1 cm
24 September 2018	508.9 cm
1 October 2018	521.2 cm
8 October 2018	495.8 cm
15 October 2018	503.6 cm
22 October 2018	532.4 cm
29 October 2018	493.5 cm
5 November 2018	498.1 cm
12 November 2018	495.4 cm
19 November 2018	466.2 cm
26 November 2018	497.8 cm
3 December 2018	548.8 cm
10 December 2018	481.2 cm
17 December 2018	510.8 cm
24 December 2018	507.6 cm
31 December 2018	522.3 cm
7 January 2019	538.9 cm
14 January 2019	525.8 cm
21 January 2019	501.3 cm
28 January 2019	504.8 cm
4 February 2019	513.6 cm
11 February 2019	503.8 cm
18 February 2019	497.9 cm
25 February 2019	502.2 cm
4 March 2019	547.0 cm
11 March 2019	560.7 cm
18 March 2019	499.5 cm
25 March 2019	500.5 cm
1 April 2019	481.7 cm
8 April 2019	474.9 cm
15 April 2019	471.0 cm
22 April 2019	492.7 cm
29 April 2019	506.7 cm
6 May 2019	498.4 cm
13 May 2019	482.8 cm
20 May 2019	502.5 cm
27 May 2019	500.9 cm
3 June 2019	498.3 cm
10 June 2019	493.6 cm
17 June 2019	494.4 cm
24 June 2019	489.7 cm
1 July 2019	514.5 cm
8 July 2019	506.2 cm
15 July 2019	502.4 cm
22 July 2019	497.3 cm
29 July 2019	500.9 cm
5 August 2019	515.6 cm
12 August 2019	512.9 cm
19 August 2019	499.9 cm
26 August 2019	503.4 cm
2 September 2019	516.6 cm
9 September 2019	512.9 cm
16 September 2019	505.1 cm
23 September 2019	520.9 cm
30 September 2019	513.6 cm
7 October 2019	531.6 cm
14 October 2019	517.8 cm
21 October 2019	528.1 cm
28 October 2019	501.6 cm
4 November 2019	510.2 cm
11 November 2019	499.3 cm
18 November 2019	497.4 cm
25 November 2019	513.5 cm
2 December 2019	536.0 cm
9 December 2019	539.9 cm
16 December 2019	518.7 cm
23 December 2019	506.2 cm
30 December 2019	523.8 cm
6 January 2020	530.1 cm
13 January 2020	530.9 cm
20 January 2020	504.5 cm
27 January 2020	544.9 cm
3 February 2020	515.6 cm
10 February 2020	572.1 cm
17 February 2020	576.6 cm
24 February 2020	529.6 cm
2 March 2020	513.2 cm
9 March 2020	525.8 cm
16 March 2020	484.7 cm
23 March 2020	470.9 cm
30 March 2020	495.6 cm
6 April 2020	488.0 cm
13 April 2020	492.9 cm
20 April 2020	476.3 cm
27 April 2020	505.9 cm
4 May 2020	491.0 cm
11 May 2020	500.2 cm
18 May 2020	501.3 cm
25 May 2020	482.0 cm
1 June 2020	508.3 cm
8 June 2020	491.7 cm
15 June 2020	500.3 cm
22 June 2020	495.8 cm
29 June 2020	523.0 cm
6 July 2020	508.5 cm
13 July 2020	502.5 cm
20 July 2020	501.5 cm
27 July 2020	517.6 cm
3 August 2020	501.5 cm
10 August 2020	494.6 cm
17 August 2020	511.6 cm
24 August 2020	519.9 cm
31 August 2020	510.9 cm
7 September 2020	513.5 cm
14 September 2020	489.8 cm
21 September 2020	523.1 cm
28 September 2020	497.7 cm
5 October 2020	521.9 cm
12 October 2020	493.4 cm
19 October 2020	512.3 cm
26 October 2020	528.5 cm
2 November 2020	520.7 cm
9 November 2020	502.9 cm
16 November 2020	541.3 cm
23 November 2020	510.1 cm
30 November 2020	506.7 cm
7 December 2020	494.1 cm
14 December 2020	503.2 cm
21 December 2020	520.1 cm
28 December 2020	504.2 cm
4 January 2021	487.6 cm
11 January 2021	510.6 cm
18 January 2021	540.1 cm
25 January 2021	506.5 cm
1 February 2021	453.7 cm
8 February 2021	457.8 cm
15 February 2021	504.5 cm
22 February 2021	507.7 cm
1 March 2021	486.8 cm
8 March 2021	529.2 cm
15 March 2021	499.7 cm
22 March 2021	503.4 cm
29 March 2021	496.2 cm
5 April 2021	541.4 cm
12 April 2021	489.8 cm
19 April 2021	493.8 cm
26 April 2021	490.5 cm
3 May 2021	524.2 cm
10 May 2021	501.1 cm
17 May 2021	512.4 cm
24 May 2021	490.0 cm
31 May 2021	486.5 cm
7 June 2021	497.4 cm
14 June 2021	498.4 cm
21 June 2021	497.2 cm
28 June 2021	498.9 cm
5 July 2021	502.4 cm
12 July 2021	502.1 cm
19 July 2021	496.0 cm
26 July 2021	517.3 cm
2 August 2021	510.4 cm
9 August 2021	507.6 cm
16 August 2021	520.9 cm
23 August 2021	497.4 cm
30 August 2021	491.8 cm
6 September 2021	500.1 cm
13 September 2021	506.2 cm
20 September 2021	519.0 cm
27 September 2021	527.2 cm
4 October 2021	503.7 cm
11 October 2021	526.2 cm
18 October 2021	538.0 cm
25 October 2021	524.1 cm
1 November 2021	538.5 cm
8 November 2021	513.1 cm
15 November 2021	525.8 cm
22 November 2021	517.4 cm
29 November 2021	537.1 cm
6 December 2021	490.8 cm
13 December 2021	509.4 cm
20 December 2021	491.1 cm
27 December 2021	525.6 cm
3 January 2022	547.6 cm
10 January 2022	509.0 cm
17 January 2022	520.5 cm
24 January 2022	544.1 cm
31 January 2022	551.9 cm
7 February 2022	530.9 cm
14 February 2022	562.0 cm
21 February 2022	541.3 cm
28 February 2022	477.9 cm
7 March 2022	477.0 cm
14 March 2022	477.7 cm
21 March 2022	482.3 cm
28 March 2022	483.7 cm
4 April 2022	537.9 cm
11 April 2022	487.4 cm
18 April 2022	481.4 cm
25 April 2022	483.9 cm
2 May 2022	486.8 cm
9 May 2022	501.6 cm
16 May 2022	495.3 cm
23 May 2022	525.5 cm
30 May 2022	490.4 cm
6 June 2022	514.0 cm
13 June 2022	502.3 cm
20 June 2022	505.0 cm
27 June 2022	499.6 cm
4 July 2022	510.8 cm
11 July 2022	502.4 cm
18 July 2022	500.1 cm
25 July 2022	507.0 cm
1 August 2022	504.5 cm
8 August 2022	494.6 cm
15 August 2022	510.5 cm
22 August 2022	502.1 cm
29 August 2022	480.6 cm
5 September 2022	499.4 cm
12 September 2022	543.9 cm
19 September 2022	508.8 cm
26 September 2022	527.8 cm
3 October 2022	526.1 cm
10 October 2022	518.2 cm
17 October 2022	501.8 cm
24 October 2022	518.9 cm
31 October 2022	533.4 cm
7 November 2022	529.2 cm
14 November 2022	479.3 cm
21 November 2022	509.3 cm
28 November 2022	493.6 cm
5 December 2022	512.5 cm
12 December 2022	509.1 cm
19 December 2022	525.1 cm
26 December 2022	540.8 cm
2 January 2023	534.8 cm
9 January 2023	557.7 cm
16 January 2023	525.1 cm
23 January 2023	489.8 cm
30 January 2023	554.7 cm
6 February 2023	496.2 cm
13 February 2023	514.3 cm
20 February 2023	517.0 cm
27 February 2023	492.0 cm
6 March 2023	512.4 cm
13 March 2023	523.9 cm
20 March 2023	516.6 cm
27 March 2023	513.4 cm
3 April 2023	480.5 cm
10 April 2023	501.3 cm
17 April 2023	478.4 cm
24 April 2023	509.3 cm
1 May 2023	480.6 cm
8 May 2023	494.6 cm
15 May 2023	493.1 cm
22 May 2023	491.5 cm
29 May 2023	484.4 cm
5 June 2023	486.2 cm
12 June 2023	496.5 cm
19 June 2023	502.1 cm
26 June 2023	526.0 cm
3 July 2023	513.1 cm
10 July 2023	513.8 cm
17 July 2023	513.4 cm
24 July 2023	522.2 cm
31 July 2023	517.9 cm
7 August 2023	528.8 cm
14 August 2023	500.2 cm
21 August 2023	509.7 cm
28 August 2023	512.3 cm
4 September 2023	504.6 cm
11 September 2023	508.0 cm
18 September 2023	526.2 cm
25 September 2023	518.5 cm
2 October 2023	533.7 cm
9 October 2023	552.6 cm
16 October 2023	475.7 cm
23 October 2023	517.1 cm
30 October 2023	540.5 cm
6 November 2023	544.2 cm
13 November 2023	521.8 cm
20 November 2023	547.8 cm
27 November 2023	503.0 cm
4 December 2023	499.8 cm
11 December 2023	518.1 cm
18 December 2023	580.1 cm
25 December 2023	539.1 cm
1 January 2024	507.6 cm
8 January 2024	498.6 cm
15 January 2024	549.9 cm
22 January 2024	550.8 cm
29 January 2024	538.5 cm
5 February 2024	524.7 cm
12 February 2024	510.1 cm
19 February 2024	531.2 cm
26 February 2024	492.3 cm
4 March 2024	474.0 cm
11 March 2024	495.9 cm
18 March 2024	524.2 cm
25 March 2024	506.9 cm
1 April 2024	522.7 cm
8 April 2024	526.0 cm
15 April 2024	524.0 cm
22 April 2024	502.3 cm
29 April 2024	499.3 cm
6 May 2024	489.2 cm
13 May 2024	496.9 cm
20 May 2024	491.5 cm
27 May 2024	509.9 cm
3 June 2024	517.2 cm
10 June 2024	516.9 cm
17 June 2024	506.3 cm
24 June 2024	504.3 cm
1 July 2024	529.6 cm
8 July 2024	508.4 cm
15 July 2024	508.4 cm
22 July 2024	507.6 cm
29 July 2024	505.2 cm
5 August 2024	514.6 cm
12 August 2024	514.5 cm
19 August 2024	524.6 cm
26 August 2024	500.7 cm
2 September 2024	497.7 cm
9 September 2024	528.4 cm
16 September 2024	487.5 cm
23 September 2024	530.6 cm
30 September 2024	488.3 cm
7 October 2024	537.4 cm
14 October 2024	499.3 cm
21 October 2024	515.4 cm
28 October 2024	511.2 cm
4 November 2024	490.2 cm
11 November 2024	528.4 cm
18 November 2024	537.4 cm
25 November 2024	523.7 cm
2 December 2024	521.7 cm
9 December 2024	487.2 cm
16 December 2024	556.2 cm
23 December 2024	511.3 cm
30 December 2024	531.9 cm
6 January 2025	545.8 cm
13 January 2025	504.7 cm
20 January 2025	516.6 cm
27 January 2025	512.1 cm
3 February 2025	483.3 cm
10 February 2025	459.7 cm
17 February 2025	480.1 cm
24 February 2025	508.1 cm
3 March 2025	506.6 cm
10 March 2025	507.1 cm
17 March 2025	477.9 cm
24 March 2025	513.8 cm
31 March 2025	478.4 cm
7 April 2025	490.4 cm
14 April 2025	499.1 cm
21 April 2025	493.0 cm
28 April 2025	498.1 cm
5 May 2025	484.9 cm
12 May 2025	493.0 cm
19 May 2025	511.8 cm
26 May 2025	506.9 cm
2 June 2025	519.1 cm
9 June 2025	496.3 cm
16 June 2025	495.2 cm
23 June 2025	520.3 cm
30 June 2025	506.0 cm
7 July 2025	506.8 cm
14 July 2025	502.5 cm
21 July 2025	512.9 cm
28 July 2025	522.5 cm
4 August 2025	524.1 cm
11 August 2025	499.0 cm
18 August 2025	507.5 cm
25 August 2025	510.8 cm
1 September 2025	516.4 cm
8 September 2025	511.8 cm
15 September 2025	542.6 cm
22 September 2025	488.2 cm
29 September 2025	523.3 cm
6 October 2025	516.8 cm
13 October 2025	498.5 cm
20 October 2025	565.6 cm
27 October 2025	540.5 cm
3 November 2025	517.5 cm
10 November 2025	504.6 cm
17 November 2025	518.0 cm
24 November 2025	524.7 cm
1 December 2025	503.5 cm
8 December 2025	525.9 cm
15 December 2025	520.8 cm
22 December 2025	464.0 cm
29 December 2025	555.5 cm
5 January 2026	473.2 cm
12 January 2026	507.4 cm
19 January 2026	447.0 cm
26 January 2026	463.1 cm
2 February 2026	444.8 cm
9 February 2026	493.5 cm
16 February 2026	493.5 cm
23 February 2026	512.4 cm
2 March 2026	487.4 cm
9 March 2026	514.8 cm
16 March 2026	494.1 cm
23 March 2026	528.0 cm
30 March 2026	513.8 cm
6 April 2026	493.5 cm
13 April 2026	492.6 cm
20 April 2026	486.5 cm
27 April 2026	473.6 cm
4 May 2026	490.2 cm
11 May 2026	519.2 cm
18 May 2026	491.3 cm
25 May 2026	489.6 cm
1 June 2026	510.3 cm
8 June 2026	519.4 cm
15 June 2026	497.9 cm
22 June 2026	491.9 cm
29 June 2026	510.8 cm
6 July 2026	506.9 cm
13 July 2026	501.2 cm
20 July 2026	514.4 cm
27 July 2026	507.0 cm
3 August 2026	502.9 cm
10 August 2026	497.7 cm
17 August 2026	512.4 cm
24 August 2026	499.0 cm
31 August 2026	527.9 cm
7 September 2026	519.0 cm
14 September 2026	532.1 cm
21 September 2026	510.0 cm
28 September 2026	501.8 cm

4 October in the last 10 years

Day	Level
4 October 2025	561.6 cm
4 October 2024	494.8 cm
4 October 2023	551.5 cm
4 October 2022	508.2 cm
4 October 2021	527 cm
4 October 2020	499.7 cm
4 October 2019	504.2 cm
4 October 2018	498.9 cm
4 October 2017	560.9 cm
4 October 2016	464.1 cm

Year by year

Year	Days with a value	Days below the normal range
2026to 5 October 2026	278	36
2025	365	23
2024	366	13
2023	365	15
2022	365	24
2021	365	18
2020	366	19
2019	365	22
2018	365	67
2017	359	35
2016	365	31
2015	365	45
2014	365	42
2013	365	69
2012	366	47
2011	365	48
2010	365	48
2009	365	49
2008	366	52
2007	365	35
2006	365	48
2005	365	35
2004	352	36
2003	349	27
2002	353	42
2001	365	27
2000	366	32

Records

Highest reading in our series since 1 January 2000: 906 cm at 01:44 CET on 6 December 2013. Provisional data.
Lowest reading in our series since 1 January 2000: 234 cm at 05:11 CET on 1 March 2018. Provisional data.
Highest daily average in our series since 1 January 2000: 712.4 cm on 6 December 2013. Provisional data.
Lowest daily average in our series since 1 January 2000: 351.9 cm on 1 March 2018. Provisional data.

As the source publishes them

Lowest low tide in the period (NTnw): 234 cm, on 1 March 2018, over 2010 to 2020. (Niedrigster Tideniedrigwasserstand)Set by PEGELONLINE REST API v2 (WSV, operated by ITZBund).
Highest high tide in the period (HThw): 906 cm, on 6 December 2013, over 2010 to 2020. (Höchster Tidehochwasserstand)Set by PEGELONLINE REST API v2 (WSV, operated by ITZBund).

North Sea at Norderney Riffgat: history

4 October in the last 10 years

Year by year

Records

As the source publishes them

See also