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San Francisco (Golden Gate) water levels in 1990
Annual rank42 / 170
vs. average6.6 cm
Highest monthly peak1.30 mJune 1990
Monthly mean vs. previous year
| Month | 1990 (cm) | 1989 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -1.8 | -14.9 | 13.1 | 1.24 |
| Feb | -7.2 | -13.3 | 6.1 | 0.96 |
| Mar | -10.3 | -7.2 | -3.1 | 1.02 |
| Apr | -5.4 | -9.1 | 3.7 | 1.08 |
| May | -6.0 | -9.4 | 3.4 | 1.14 |
| Jun | -5.7 | -4.5 | -1.2 | 1.30 |
| Jul | 1.6 | -2.7 | 4.3 | 1.21 |
| Aug | 4.3 | 3.4 | 0.9 | 1.06 |
| Sep | 4.9 | 4.3 | 0.6 | 1.02 |
| Oct | 0.1 | -1.5 | 1.6 | 1.15 |
| Nov | -4.8 | -1.5 | -3.3 | 1.14 |
| Dec | -5.4 | 1.6 | -7.0 | 1.15 |
Nearby years (cm vs. average)
+4.1
+10.7
+8.1
+2.6
+5.0
+6.6
+6.0
+14.4
+13.5
+5.6
+13.0
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1990 annual mean water level ranked 42 of 170 years (6.6 cm vs. the period average).