Tide TablesHome › Tide tables & water levels › East Point, Grand Isle
East Point, Grand Isle water levels in 1990
Annual rank34 / 48
vs. average-7.0 cm
Highest monthly peak0.38 mMay 1990
Monthly mean vs. previous year
| Month | 1990 (cm) | 1989 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -40.4 | -29.2 | -11.2 | -0.05 |
| Feb | -28.5 | -33.1 | 4.6 | 0.14 |
| Mar | -18.5 | -29.2 | 10.7 | 0.26 |
| Apr | -17.6 | -28.8 | 11.2 | 0.36 |
| May | -8.7 | -27.0 | 18.3 | 0.38 |
| Jun | -15.7 | -18.2 | 2.5 | – |
| Jul | -15.4 | -21.8 | 6.4 | – |
| Aug | -13.0 | -16.7 | 3.7 | 0.29 |
| Sep | -8.7 | -10.6 | 1.9 | 0.20 |
| Oct | -15.7 | -18.5 | 2.8 | 0.28 |
| Nov | -12.1 | -26.4 | 14.3 | 0.26 |
| Dec | -25.8 | -43.8 | 18.0 | 0.30 |
Nearby years (cm vs. average)
-10.0
-10.6
-13.2
-15.7
-13.9
-7.0
-3.3
-6.2
-7.1
-5.4
-3.6
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1990 annual mean water level ranked 34 of 48 years (-7.0 cm vs. the period average).