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Oceanographic Institution water levels in 2009
Annual rank14 / 88
vs. average10.3 cm
Highest monthly peak1.02 mDecember 2009
Monthly mean vs. previous year
| Month | 2009 (cm) | 2008 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -2.2 | – | – | 0.79 |
| Feb | 2.3 | – | – | 0.70 |
| Mar | 0.2 | – | – | 0.68 |
| Apr | 3.3 | 0.8 | 2.5 | 0.61 |
| May | 2.9 | 13.0 | -10.1 | 0.65 |
| Jun | 16.4 | 9.7 | 6.7 | 0.86 |
| Jul | 15.5 | 8.3 | 7.2 | 0.74 |
| Aug | 10.1 | 10.1 | 0.0 | 0.72 |
| Sep | 12.5 | 9.5 | 3.0 | 0.65 |
| Oct | 17.5 | 12.6 | 4.9 | 0.92 |
| Nov | 13.3 | 7.9 | 5.4 | 0.80 |
| Dec | 7.2 | -2.8 | 10.0 | 1.02 |
Nearby years (cm vs. average)
+4.0
+10.1
+8.4
+4.9
+10.3
+15.8
+12.8
+12.1
+10.3
+10.2
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2009 annual mean water level ranked 14 of 88 years (10.3 cm vs. the period average).