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Seattle (Madison St.), Elliott Bay water levels in 2018
Annual rank11 / 127
vs. average13.0 cm
Highest monthly peak2.11 mDecember 2018
Monthly mean vs. previous year
| Month | 2018 (cm) | 2017 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 19.7 | 18.1 | 1.6 | 1.98 |
| Feb | 1.6 | 24.8 | -23.2 | 1.83 |
| Mar | 10.6 | 17.3 | -6.7 | 1.82 |
| Apr | 5.2 | 16.1 | -10.9 | 1.69 |
| May | 2.6 | 4.0 | -1.4 | 1.68 |
| Jun | 0.9 | 5.7 | -4.8 | 1.75 |
| Jul | 1.1 | 1.5 | -0.4 | 1.81 |
| Aug | 4.5 | 5.5 | -1.0 | 1.79 |
| Sep | 0.3 | 4.7 | -4.4 | 1.70 |
| Oct | 4.1 | -1.3 | 5.4 | 1.66 |
| Nov | 6.1 | 19.1 | -13.0 | 2.09 |
| Dec | 19.2 | 1.7 | 17.5 | 2.11 |
Nearby years (cm vs. average)
+2.4
+13.5
+15.0
+16.0
+16.4
+13.0
+12.5
+11.3
+13.5
+12.3
+16.6
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2018 annual mean water level ranked 11 of 127 years (13.0 cm vs. the period average).