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Oceanographic Institution water levels in 2018
Annual rank10 / 88
vs. average13.5 cm
Highest monthly peak1.25 mMarch 2018
Monthly mean vs. previous year
| Month | 2018 (cm) | 2017 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -1.2 | 5.9 | -7.1 | 1.10 |
| Feb | -0.8 | 6.2 | -7.0 | 0.62 |
| Mar | 23.1 | -3.5 | 26.6 | 1.25 |
| Apr | 6.6 | 10.4 | -3.8 | 0.79 |
| May | 7.6 | 16.8 | -9.2 | 0.67 |
| Jun | 16.5 | 16.2 | 0.3 | 0.79 |
| Jul | 11.7 | 16.8 | -5.1 | 0.71 |
| Aug | 16.9 | 16.0 | 0.9 | 0.80 |
| Sep | 18.8 | 18.9 | -0.1 | 0.81 |
| Oct | 16.8 | 15.6 | 1.2 | 0.90 |
| Nov | 11.6 | 15.2 | -3.6 | 0.91 |
| Dec | 10.2 | 4.5 | 5.7 | 0.93 |
Nearby years (cm vs. average)
+10.3
+10.2
+7.4
+11.9
+13.6
+13.5
+15.9
+15.5
+16.2
+15.3
+22.8
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2018 annual mean water level ranked 10 of 88 years (13.5 cm vs. the period average).