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Washington, Washington Channel, D.c. water levels in 1991
Annual rank37 / 94
vs. average2.2 cm
Highest monthly peak1.08 mNovember 1991
Monthly mean vs. previous year
| Month | 1991 (cm) | 1990 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 3.7 | -16.1 | 19.8 | 0.77 |
| Feb | -13.7 | -17.0 | 3.3 | 0.65 |
| Mar | 4.6 | -16.4 | 21.0 | 0.81 |
| Apr | 0.0 | -11.9 | 11.9 | 0.84 |
| May | 1.6 | 2.8 | -1.2 | 0.77 |
| Jun | 2.8 | -2.4 | 5.2 | 0.71 |
| Jul | 3.7 | 0.0 | 3.7 | 0.78 |
| Aug | 1.2 | 5.8 | -4.6 | 0.72 |
| Sep | 2.8 | 3.4 | -0.6 | 0.79 |
| Oct | -3.3 | 1.6 | -4.9 | 0.91 |
| Nov | -6.7 | -10.6 | 3.9 | 1.08 |
| Dec | -19.8 | -10.9 | -8.9 | 0.56 |
Nearby years (cm vs. average)
-0.5
+2.3
-2.9
-1.3
-1.9
+2.2
+3.1
+8.0
+3.2
+2.7
+17.4
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1991 annual mean water level ranked 37 of 94 years (2.2 cm vs. the period average).