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Charleston water levels in 2018
Annual rank25 / 54
vs. average0.4 cm
Highest monthly peak1.84 mDecember 2018
Monthly mean vs. previous year
| Month | 2018 (cm) | 2017 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 14.3 | 22.2 | -7.9 | 1.69 |
| Feb | -7.9 | 27.4 | -35.3 | 1.54 |
| Mar | 8.5 | 12.3 | -3.8 | 1.60 |
| Apr | -1.6 | 7.8 | -9.4 | 1.30 |
| May | -7.0 | -6.4 | -0.6 | 1.43 |
| Jun | -8.0 | -3.2 | -4.8 | 1.46 |
| Jul | -6.9 | -8.1 | 1.2 | 1.54 |
| Aug | -1.6 | 0.6 | -2.2 | 1.50 |
| Sep | -2.3 | 2.0 | -4.3 | 1.34 |
| Oct | 4.2 | -4.5 | 8.7 | 1.37 |
| Nov | 3.1 | 13.3 | -10.2 | 1.67 |
| Dec | 14.0 | 0.1 | 13.9 | 1.84 |
Nearby years (cm vs. average)
-6.5
+5.2
+6.0
+6.2
+4.9
+0.4
+3.9
-1.3
-0.1
+0.7
+7.6
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2018 annual mean water level ranked 25 of 54 years (0.4 cm vs. the period average).