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Philadelphia, US Coast Guard Station, Pa. water levels in 2013
Annual rank21 / 36
vs. average-1.1 cm
Highest monthly peak1.60 mJuly 2013
Monthly mean vs. previous year
| Month | 2013 (cm) | 2012 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -8.5 | -3.7 | -4.8 | 1.34 |
| Feb | -8.4 | -6.3 | -2.1 | 1.31 |
| Mar | 7.6 | 0.3 | 7.3 | 1.45 |
| Apr | 5.3 | 3.7 | 1.6 | 1.30 |
| May | 3.1 | 13.7 | -10.6 | 1.28 |
| Jun | 18.2 | 21.3 | -3.1 | 1.50 |
| Jul | 16.3 | 13.2 | 3.1 | 1.60 |
| Aug | 15.1 | 14.6 | 0.5 | 1.31 |
| Sep | 12.1 | 10.0 | 2.1 | 1.28 |
| Oct | 16.0 | 17.3 | -1.3 | 1.49 |
| Nov | -10.4 | 7.7 | -18.1 | 1.27 |
| Dec | -4.9 | 6.9 | -11.8 | 1.29 |
Nearby years (cm vs. average)
-1.2
+2.6
+3.2
+9.9
+2.0
-1.1
+1.1
-2.8
-0.1
+2.4
+9.3
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2013 annual mean water level ranked 21 of 36 years (-1.1 cm vs. the period average).