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Duck Pier water levels in 1990
Annual rank41 / 46
vs. average-10.1 cm
Highest monthly peak1.14 mMay 1990
Monthly mean vs. previous year
| Month | 1990 (cm) | 1989 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -21.3 | -10.0 | -11.3 | 0.76 |
| Feb | -15.5 | -8.2 | -7.3 | 0.97 |
| Mar | -13.6 | -5.1 | -8.5 | 0.81 |
| Apr | -12.4 | -11.5 | -0.9 | 0.83 |
| May | -2.4 | -6.9 | 4.5 | 1.14 |
| Jun | -5.4 | -6.6 | 1.2 | 0.87 |
| Jul | -3.9 | -3.9 | 0.0 | 0.73 |
| Aug | 4.6 | 5.6 | -1.0 | 0.95 |
| Sep | 8.0 | 8.6 | -0.6 | 0.89 |
| Oct | 3.1 | 1.0 | 2.1 | 1.02 |
| Nov | -0.5 | -8.8 | 8.3 | 0.97 |
| Dec | -9.4 | -7.6 | -1.8 | 0.91 |
Nearby years (cm vs. average)
-9.4
-7.7
-2.4
-12.3
-8.8
-10.1
-2.3
-3.5
-2.0
-8.6
-5.6
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1990 annual mean water level ranked 41 of 46 years (-10.1 cm vs. the period average).