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Washington, Washington Channel, D.c. water levels in 1990
Annual rank48 / 94
vs. average-1.9 cm
Highest monthly peak0.88 mAugust 1990
Monthly mean vs. previous year
| Month | 1990 (cm) | 1989 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -16.1 | -18.6 | 2.5 | 0.50 |
| Feb | -17.0 | -18.0 | 1.0 | 0.59 |
| Mar | -16.4 | -7.3 | -9.1 | 0.51 |
| Apr | -11.9 | -9.1 | -2.8 | 0.61 |
| May | 2.8 | 8.9 | -6.1 | 0.87 |
| Jun | -2.4 | 2.5 | -4.9 | 0.73 |
| Jul | 0.0 | 4.6 | -4.6 | 0.79 |
| Aug | 5.8 | 4.0 | 1.8 | 0.88 |
| Sep | 3.4 | 8.3 | -4.9 | 0.88 |
| Oct | 1.6 | -1.2 | 2.8 | 0.84 |
| Nov | -10.6 | -11.9 | 1.3 | 0.81 |
| Dec | -10.9 | -27.4 | 16.5 | 0.74 |
Nearby years (cm vs. average)
+0.8
-0.5
+2.3
-2.9
-1.3
-1.9
+2.2
+3.1
+8.0
+3.2
+2.7
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1990 annual mean water level ranked 48 of 94 years (-1.9 cm vs. the period average).