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Philadelphia, US Coast Guard Station, Pa. water levels in 2020
Annual rank6 / 36
vs. average7.8 cm
Highest monthly peak1.71 mAugust 2020
Monthly mean vs. previous year
| Month | 2020 (cm) | 2019 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 2.0 | 8.8 | -6.8 | 1.55 |
| Feb | 2.4 | 0.8 | 1.6 | 1.65 |
| Mar | 12.7 | 8.3 | 4.4 | 1.38 |
| Apr | 18.7 | 16.4 | 2.3 | 1.58 |
| May | 13.1 | 30.9 | -17.8 | 1.70 |
| Jun | 18.5 | 22.9 | -4.4 | 1.46 |
| Jul | 21.8 | 21.6 | 0.2 | 1.50 |
| Aug | 25.0 | 23.2 | 1.8 | 1.71 |
| Sep | 22.6 | 23.8 | -1.2 | 1.49 |
| Oct | 16.7 | 29.0 | -12.3 | 1.41 |
| Nov | 4.3 | 11.1 | -6.8 | 1.63 |
| Dec | 10.1 | 4.4 | 5.7 | 1.46 |
Nearby years (cm vs. average)
-2.8
-0.1
+2.4
+9.3
+10.6
+7.8
+7.3
+4.4
+13.5
+14.9
+4.2
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2020 annual mean water level ranked 6 of 36 years (7.8 cm vs. the period average).