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Seattle (Madison St.), Elliott Bay water levels in 2009
Annual rank40 / 127
vs. average4.7 cm
Highest monthly peak2.05 mNovember 2009
Monthly mean vs. previous year
| Month | 2009 (cm) | 2008 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -3.7 | 12.4 | -16.1 | 1.88 |
| Feb | 1.6 | 2.2 | -0.6 | 1.77 |
| Mar | 0.6 | -7.5 | 8.1 | 1.63 |
| Apr | -13.1 | -11.3 | -1.8 | 1.52 |
| May | -7.8 | -10.7 | 2.9 | 1.73 |
| Jun | -1.8 | -8.1 | 6.3 | 1.68 |
| Jul | -6.5 | -1.3 | -5.2 | 1.68 |
| Aug | -4.0 | 2.6 | -6.6 | 1.70 |
| Sep | -4.0 | -5.2 | 1.2 | 1.69 |
| Oct | -0.6 | -8.1 | 7.5 | 1.79 |
| Nov | 9.8 | 2.7 | 7.1 | 2.05 |
| Dec | 6.5 | 2.4 | 4.1 | 1.98 |
Nearby years (cm vs. average)
+7.8
+8.7
+11.5
+5.4
+4.1
+4.7
+11.7
+7.7
+11.3
+2.4
+13.5
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2009 annual mean water level ranked 40 of 127 years (4.7 cm vs. the period average).