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Charleston (Customhouse Wharf) water levels in 1998
Annual rank35 / 107
vs. average6.0 cm
Highest monthly peak1.41 mJanuary 1998
Monthly mean vs. previous year
| Month | 1998 (cm) | 1997 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -5.5 | -9.5 | 4.0 | 1.41 |
| Feb | 12.1 | -3.9 | 16.0 | 1.40 |
| Mar | -4.7 | -3.3 | -1.4 | 1.20 |
| Apr | -2.0 | 6.4 | -8.4 | 1.33 |
| May | 7.7 | -1.6 | 9.3 | 1.32 |
| Jun | -5.5 | 10.3 | -15.8 | 1.17 |
| Jul | -7.4 | 4.1 | -11.5 | 1.14 |
| Aug | -0.2 | 9.9 | -10.1 | 1.12 |
| Sep | 5.2 | 16.3 | -11.1 | 1.17 |
| Oct | 5.6 | 11.8 | -6.2 | 1.28 |
| Nov | -3.1 | -2.4 | -0.7 | 1.34 |
| Dec | -3.3 | -6.0 | 2.7 | 1.12 |
Nearby years (cm vs. average)
+7.2
+6.1
+11.3
+2.9
+8.8
+6.0
+12.9
+9.8
+6.4
+8.0
+6.0
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1998 annual mean water level ranked 35 of 107 years (6.0 cm vs. the period average).