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San Francisco (Golden Gate) water levels in 2011
Annual rank23 / 170
vs. average10.2 cm
Highest monthly peak1.39 mMarch 2011
Monthly mean vs. previous year
| Month | 2011 (cm) | 2010 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -1.0 | 14.7 | -15.7 | 1.23 |
| Feb | -1.2 | 12.0 | -13.2 | 1.18 |
| Mar | 2.0 | -2.6 | 4.6 | 1.39 |
| Apr | -3.5 | 1.1 | -4.6 | 1.15 |
| May | -2.5 | -10.8 | 8.3 | 1.34 |
| Jun | 2.8 | -5.7 | 8.5 | 1.17 |
| Jul | 6.3 | 1.0 | 5.3 | 1.12 |
| Aug | 4.0 | 1.9 | 2.1 | 1.04 |
| Sep | 5.7 | 1.3 | 4.4 | 1.17 |
| Oct | 2.3 | -0.7 | 3.0 | 1.19 |
| Nov | -1.6 | -3.1 | 1.5 | 1.30 |
| Dec | -4.9 | 4.2 | -9.1 | 1.12 |
Nearby years (cm vs. average)
+14.7
+3.6
+7.3
+9.6
+10.7
+10.2
+9.1
+7.7
+15.9
+18.6
+14.4
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2011 annual mean water level ranked 23 of 170 years (10.2 cm vs. the period average).