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Charleston (Customhouse Wharf) water levels in 2023
Annual rank1 / 107
vs. average27.3 cm
Highest monthly peak2.05 mDecember 2023
Monthly mean vs. previous year
| Month | 2023 (cm) | 2022 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 6.8 | 16.7 | -9.9 | 1.46 |
| Feb | 4.7 | 8.5 | -3.8 | 1.20 |
| Mar | 20.7 | 4.5 | 16.2 | 1.32 |
| Apr | 20.9 | 9.8 | 11.1 | 1.46 |
| May | 23.8 | 22.1 | 1.7 | 1.58 |
| Jun | 27.7 | 23.7 | 4.0 | 1.66 |
| Jul | 16.7 | 6.5 | 10.2 | 1.40 |
| Aug | 16.6 | 12.6 | 4.0 | 1.91 |
| Sep | 29.6 | 33.0 | -3.4 | 1.56 |
| Oct | 37.8 | 36.1 | 1.7 | 1.46 |
| Nov | 32.5 | 30.6 | 1.9 | 1.44 |
| Dec | 16.4 | 18.6 | -2.2 | 2.05 |
Nearby years (cm vs. average)
+16.5
+25.5
+24.2
+22.0
+24.7
+27.3
+24.0
+18.0
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2023 annual mean water level ranked 1 of 107 years (27.3 cm vs. the period average).