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Dauphin Island water levels in 2011
Annual rank19 / 50
vs. average0.3 cm
Highest monthly peak0.87 mSeptember 2011
Monthly mean vs. previous year
| Month | 2011 (cm) | 2010 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -15.8 | -5.6 | -10.2 | 0.41 |
| Feb | -14.0 | -3.3 | -10.7 | 0.37 |
| Mar | 3.2 | -5.1 | 8.3 | 0.55 |
| Apr | 6.2 | -0.6 | 6.8 | 0.42 |
| May | 6.0 | 10.5 | -4.5 | 0.41 |
| Jun | 7.1 | 13.7 | -6.6 | 0.37 |
| Jul | 10.8 | 18.1 | -7.3 | 0.53 |
| Aug | 8.2 | 16.7 | -8.5 | 0.41 |
| Sep | 17.9 | 25.0 | -7.1 | 0.87 |
| Oct | 9.0 | 6.3 | 2.7 | 0.63 |
| Nov | 8.9 | 5.2 | 3.7 | 0.57 |
| Dec | 2.9 | -17.5 | 20.4 | 0.55 |
Nearby years (cm vs. average)
-3.9
-3.6
-0.4
+4.8
+1.4
+0.3
+6.8
+7.0
+3.4
+6.3
+13.4
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2011 annual mean water level ranked 19 of 50 years (0.3 cm vs. the period average).