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Port Chicago, Suisun Bay water levels in 1990
Annual rank46 / 48
vs. average-8.8 cm
Highest monthly peak1.00 mJuly 1990
Monthly mean vs. previous year
| Month | 1990 (cm) | 1989 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -9.4 | -21.6 | 12.2 | 0.99 |
| Feb | -14.6 | -18.9 | 4.3 | 0.73 |
| Mar | -15.2 | -5.7 | -9.5 | 0.83 |
| Apr | -9.4 | -7.9 | -1.5 | 0.87 |
| May | -10.0 | -7.6 | -2.4 | 0.91 |
| Jun | -7.3 | -3.3 | -4.0 | – |
| Jul | 0.3 | -2.4 | 2.7 | 1.00 |
| Aug | 1.0 | 3.1 | -2.1 | – |
| Sep | -0.3 | 2.2 | -2.5 | 0.83 |
| Oct | -3.3 | -5.1 | 1.8 | 0.87 |
| Nov | -9.4 | -7.6 | -1.8 | 0.90 |
| Dec | -10.6 | -11.2 | 0.6 | 0.89 |
Nearby years (cm vs. average)
-8.0
+1.6
-4.0
-10.5
-8.6
-8.8
-7.1
+0.2
+2.0
-6.4
+6.2
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1990 annual mean water level ranked 46 of 48 years (-8.8 cm vs. the period average).