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Charleston (Customhouse Wharf) water levels in 2017
Annual rank11 / 107
vs. average16.7 cm
Highest monthly peak2.11 mSeptember 2017
Monthly mean vs. previous year
| Month | 2017 (cm) | 2016 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -2.8 | 11.5 | -14.3 | 1.25 |
| Feb | -2.5 | 4.5 | -7.0 | 1.05 |
| Mar | -2.8 | 6.5 | -9.3 | 1.38 |
| Apr | 10.6 | 13.8 | -3.2 | 1.40 |
| May | 4.9 | 12.9 | -8.0 | 1.29 |
| Jun | 11.2 | 20.3 | -9.1 | 1.31 |
| Jul | 6.0 | 2.3 | 3.7 | 1.32 |
| Aug | 18.8 | 11.1 | 7.7 | 1.28 |
| Sep | 36.2 | 18.4 | 17.8 | 2.11 |
| Oct | 25.2 | 35.4 | -10.2 | 1.33 |
| Nov | 17.7 | 24.0 | -6.3 | 1.42 |
| Dec | 4.4 | 11.3 | -6.9 | 1.49 |
Nearby years (cm vs. average)
+13.3
+13.3
+19.1
+20.2
+20.4
+16.7
+16.5
+25.5
+24.2
+22.0
+24.7
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2017 annual mean water level ranked 11 of 107 years (16.7 cm vs. the period average).