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Duck Pier water levels in 1999
Annual rank23 / 46
vs. average-0.3 cm
Highest monthly peak1.57 mAugust 1999
Monthly mean vs. previous year
| Month | 1999 (cm) | 1998 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -9.2 | 5.3 | -14.5 | 1.00 |
| Feb | 10.9 | 21.0 | -10.1 | 0.99 |
| Mar | -0.4 | -2.4 | 2.0 | 1.04 |
| Apr | 5.0 | 4.2 | 0.8 | 0.90 |
| May | 11.3 | 15.3 | -4.0 | 1.28 |
| Jun | 4.8 | 7.0 | -2.2 | 1.03 |
| Jul | 2.8 | 5.8 | -3.0 | 1.12 |
| Aug | 11.3 | 13.4 | -2.1 | 1.57 |
| Sep | 13.3 | 12.7 | 0.6 | 1.26 |
| Oct | 4.5 | 8.9 | -4.4 | 0.91 |
| Nov | -0.1 | 2.1 | -2.2 | 0.88 |
| Dec | -4.7 | 3.1 | -7.8 | 0.96 |
Nearby years (cm vs. average)
-8.6
-5.6
-1.8
+0.2
+3.6
-0.3
-4.2
-2.0
-3.3
-0.2
-1.2
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1999 annual mean water level ranked 23 of 46 years (-0.3 cm vs. the period average).