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Philadelphia, US Coast Guard Station, Pa. water levels in 2008
Annual rank22 / 36
vs. average-1.2 cm
Highest monthly peak1.64 mMay 2008
Monthly mean vs. previous year
| Month | 2008 (cm) | 2007 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -7.1 | -9.6 | 2.5 | 1.17 |
| Feb | -0.9 | -31.4 | 30.5 | 1.30 |
| Mar | 9.3 | -8.4 | 17.7 | 1.46 |
| Apr | 10.2 | 14.1 | -3.9 | 1.51 |
| May | 16.4 | 2.8 | 13.6 | 1.64 |
| Jun | 7.3 | 10.8 | -3.5 | 1.45 |
| Jul | 6.4 | 5.8 | 0.6 | 1.33 |
| Aug | 7.5 | 10.4 | -2.9 | 1.30 |
| Sep | 12.4 | 5.5 | 6.9 | 1.49 |
| Oct | 5.7 | 10.6 | -4.9 | 1.37 |
| Nov | -0.6 | -0.3 | -0.3 | 1.55 |
| Dec | -6.8 | -3.1 | -3.7 | 1.46 |
Nearby years (cm vs. average)
-0.6
-2.1
+2.6
+0.6
-5.6
-1.2
+2.6
+3.2
+9.9
+2.0
-1.1
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2008 annual mean water level ranked 22 of 36 years (-1.2 cm vs. the period average).