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Duck Pier water levels in 2021
Annual rank6 / 46
vs. average9.0 cm
Highest monthly peak1.48 mNovember 2021
Monthly mean vs. previous year
| Month | 2021 (cm) | 2020 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 18.7 | 9.7 | 9.0 | 1.23 |
| Feb | 18.8 | 5.6 | 13.2 | 1.21 |
| Mar | 4.2 | 12.5 | -8.3 | 1.01 |
| Apr | 11.7 | 17.6 | -5.9 | 1.03 |
| May | 5.8 | 10.5 | -4.7 | 1.34 |
| Jun | 6.2 | 13.9 | -7.7 | 1.03 |
| Jul | 5.4 | 13.7 | -8.3 | 0.98 |
| Aug | 14.5 | 12.7 | 1.8 | 0.94 |
| Sep | 17.7 | 29.9 | -12.2 | 1.04 |
| Oct | 30.8 | 23.2 | 7.6 | 1.38 |
| Nov | 21.4 | 8.8 | 12.6 | 1.48 |
| Dec | 5.5 | 6.9 | -1.4 | 1.03 |
Nearby years (cm vs. average)
+7.3
+6.9
+8.7
+12.2
+9.4
+9.0
+8.0
+14.7
+15.6
+9.5
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2021 annual mean water level ranked 6 of 46 years (9.0 cm vs. the period average).