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Philadelphia, US Coast Guard Station, Pa. water levels in 2015
Annual rank24 / 36
vs. average-2.8 cm
Highest monthly peak1.59 mOctober 2015
Monthly mean vs. previous year
| Month | 2015 (cm) | 2014 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -15.7 | -8.4 | -7.3 | 1.16 |
| Feb | -19.7 | -10.4 | -9.3 | 1.23 |
| Mar | -11.0 | -1.3 | -9.7 | 1.26 |
| Apr | 2.9 | 14.5 | -11.6 | 1.44 |
| May | -2.5 | 22.3 | -24.8 | 1.28 |
| Jun | 13.1 | 18.0 | -4.9 | 1.40 |
| Jul | 19.4 | 11.4 | 8.0 | 1.46 |
| Aug | 13.2 | 16.3 | -3.1 | 1.37 |
| Sep | 16.5 | 15.1 | 1.4 | 1.37 |
| Oct | 16.5 | 14.9 | 1.6 | 1.59 |
| Nov | 2.6 | -6.2 | 8.8 | 1.41 |
| Dec | 4.8 | 1.6 | 3.2 | 1.35 |
Nearby years (cm vs. average)
+3.2
+9.9
+2.0
-1.1
+1.1
-2.8
-0.1
+2.4
+9.3
+10.6
+7.8
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2015 annual mean water level ranked 24 of 36 years (-2.8 cm vs. the period average).