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Dauphin Island water levels in 2021
Annual rank5 / 50
vs. average14.4 cm
Highest monthly peak1.00 mAugust 2021
Monthly mean vs. previous year
| Month | 2021 (cm) | 2020 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -0.1 | 14.2 | -14.3 | 0.68 |
| Feb | 3.3 | 10.9 | -7.6 | 0.51 |
| Mar | 12.3 | 16.4 | -4.1 | 0.52 |
| Apr | 19.0 | 23.1 | -4.1 | 0.59 |
| May | 17.9 | 20.7 | -2.8 | 0.62 |
| Jun | 23.7 | 28.4 | -4.7 | 0.67 |
| Jul | 19.5 | 18.7 | 0.8 | 0.58 |
| Aug | 28.7 | 25.3 | 3.4 | 1.00 |
| Sep | 28.5 | 42.7 | -14.2 | 0.78 |
| Oct | 32.6 | 32.8 | -0.2 | 0.72 |
| Nov | 19.4 | 23.5 | -4.1 | 0.62 |
| Dec | 14.7 | 3.2 | 11.5 | 0.57 |
Nearby years (cm vs. average)
+13.4
+11.1
+10.4
+16.4
+17.7
+14.4
+14.7
+14.7
+13.6
+8.9
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 50 years (14.4 cm vs. the period average).