Tide TablesHome › Tide tables & water levels › Philadelphia, US Coast Guard Station, Pa.
Philadelphia, US Coast Guard Station, Pa. water levels in 1990
Annual rank36 / 36
vs. average-10.5 cm
Highest monthly peak1.45 mDecember 1990
Monthly mean vs. previous year
| Month | 1990 (cm) | 1989 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Feb | -10.3 | – | – | 1.18 |
| Mar | -16.4 | – | – | 1.09 |
| Apr | -8.1 | – | – | 1.17 |
| May | 6.4 | – | – | 1.41 |
| Jun | -2.3 | – | – | 1.36 |
| Jul | -1.4 | – | – | 1.29 |
| Aug | 4.4 | – | – | 1.32 |
| Sep | 2.6 | – | – | 1.26 |
| Oct | -2.0 | 1.4 | -3.4 | 1.29 |
| Nov | -12.2 | -13.2 | 1.0 | 1.25 |
| Dec | -8.5 | – | – | 1.45 |
Nearby years (cm vs. average)
-10.5
-9.8
-8.3
-4.6
-5.7
-9.8
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1990 annual mean water level ranked 36 of 36 years (-10.5 cm vs. the period average).