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Seattle (Madison St.), Elliott Bay water levels in 1990
Annual rank41 / 127
vs. average4.6 cm
Highest monthly peak2.06 mDecember 1990
Monthly mean vs. previous year
| Month | 1990 (cm) | 1989 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 6.5 | -5.7 | 12.2 | 1.98 |
| Feb | 2.2 | -12.7 | 14.9 | 1.97 |
| Mar | -4.8 | 5.3 | -10.1 | 1.74 |
| Apr | -6.6 | -5.4 | -1.2 | 1.71 |
| May | -8.1 | -6.0 | -2.1 | 1.78 |
| Jun | -2.6 | -6.6 | 4.0 | 1.65 |
| Jul | -5.1 | -6.6 | 1.5 | 1.63 |
| Aug | -2.9 | -8.1 | 5.2 | 1.66 |
| Sep | -3.9 | -5.7 | 1.8 | 1.58 |
| Oct | -4.2 | -5.4 | 1.2 | 1.63 |
| Nov | 5.0 | -4.2 | 9.2 | 1.79 |
| Dec | 0.1 | -6.0 | 6.1 | 2.06 |
Nearby years (cm vs. average)
-1.0
+5.9
+6.1
+1.1
+1.0
+4.6
+3.8
+10.3
+7.0
+5.6
+10.9
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1990 annual mean water level ranked 41 of 127 years (4.6 cm vs. the period average).