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Charleston water levels in 2009
Annual rank35 / 54
vs. average-1.9 cm
Highest monthly peak1.89 mDecember 2009
Monthly mean vs. previous year
| Month | 2009 (cm) | 2008 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -5.8 | 12.0 | -17.8 | 1.47 |
| Feb | 6.3 | 2.0 | 4.3 | 1.56 |
| Mar | -1.6 | -10.8 | 9.2 | 1.47 |
| Apr | -15.4 | -12.7 | -2.7 | 1.29 |
| May | -9.0 | -12.6 | 3.6 | 1.34 |
| Jun | -2.9 | -13.2 | 10.3 | 1.46 |
| Jul | -10.6 | -3.7 | -6.9 | 1.45 |
| Aug | -1.9 | 2.0 | -3.9 | 1.47 |
| Sep | 1.2 | -2.6 | 3.8 | 1.31 |
| Oct | 2.6 | -6.1 | 8.7 | 1.56 |
| Nov | 6.5 | 3.7 | 2.8 | 1.58 |
| Dec | 12.0 | 3.7 | 8.3 | 1.89 |
Nearby years (cm vs. average)
+0.5
+1.8
+2.9
-4.4
-3.6
-1.9
+3.9
-1.8
+2.2
-6.5
+5.2
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2009 annual mean water level ranked 35 of 54 years (-1.9 cm vs. the period average).