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East Point, Grand Isle water levels in 2021
Annual rank5 / 48
vs. average18.1 cm
Highest monthly peak1.57 mAugust 2021
Monthly mean vs. previous year
| Month | 2021 (cm) | 2020 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -12.6 | -0.4 | -12.2 | 0.47 |
| Feb | -8.5 | -3.5 | -5.0 | 0.32 |
| Mar | 2.4 | 3.5 | -1.1 | 0.46 |
| Apr | 10.8 | 12.6 | -1.8 | 0.47 |
| May | 10.9 | 10.0 | 0.9 | 0.50 |
| Jun | 11.1 | 18.3 | -7.2 | 0.48 |
| Jul | 3.7 | 6.8 | -3.1 | 0.32 |
| Aug | 14.3 | 12.2 | 2.1 | 1.57 |
| Sep | 15.7 | 28.9 | -13.2 | 0.58 |
| Oct | 21.2 | 21.0 | 0.2 | 0.56 |
| Nov | 9.0 | 12.8 | -3.8 | 0.39 |
| Dec | 2.7 | -9.5 | 12.2 | 0.42 |
Nearby years (cm vs. average)
+18.0
+13.8
+13.5
+20.0
+20.8
+18.1
+17.1
+19.3
+21.4
+18.0
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2021 annual mean water level ranked 5 of 48 years (18.1 cm vs. the period average).