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Charleston (Customhouse Wharf) water levels in 2011
Annual rank22 / 107
vs. average8.9 cm
Highest monthly peak1.44 mAugust 2011
Monthly mean vs. previous year
| Month | 2011 (cm) | 2010 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -12.2 | -2.1 | -10.1 | 1.18 |
| Feb | -9.9 | 0.4 | -10.3 | 1.10 |
| Mar | -0.5 | 4.9 | -5.4 | 1.22 |
| Apr | -9.0 | -6.1 | -2.9 | 1.18 |
| May | 2.6 | -3.0 | 5.6 | 1.30 |
| Jun | 1.1 | -4.9 | 6.0 | 1.33 |
| Jul | 5.0 | -1.8 | 6.8 | 1.31 |
| Aug | 16.5 | 11.8 | 4.7 | 1.44 |
| Sep | 17.2 | 18.4 | -1.2 | 1.21 |
| Oct | 15.4 | 14.4 | 1.0 | 1.29 |
| Nov | 8.5 | 10.4 | -1.9 | 1.26 |
| Dec | -0.8 | -7.3 | 6.5 | 1.33 |
Nearby years (cm vs. average)
+6.9
+10.0
+7.6
+11.4
+9.0
+8.9
+13.3
+13.3
+19.1
+20.2
+20.4
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2011 annual mean water level ranked 22 of 107 years (8.9 cm vs. the period average).