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Port Chicago, Suisun Bay water levels in 1999
Annual rank40 / 48
vs. average-6.2 cm
Highest monthly peak1.03 mJuly 1999
Monthly mean vs. previous year
| Month | 1999 (cm) | 1998 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -6.6 | 22.2 | -28.8 | 1.02 |
| Feb | 1.7 | 46.9 | -45.2 | 0.91 |
| Mar | 1.6 | 16.1 | -14.5 | 0.89 |
| Apr | -8.2 | 7.0 | -15.2 | 0.92 |
| May | -6.8 | 7.4 | -14.2 | 0.92 |
| Jun | -1.8 | 13.0 | -14.8 | 0.96 |
| Jul | 1.7 | 10.0 | -8.3 | 1.03 |
| Aug | -2.3 | 10.2 | -12.5 | 0.94 |
| Sep | -0.7 | 10.7 | -11.4 | 0.86 |
| Oct | -8.3 | -4.4 | -3.9 | 0.82 |
| Nov | -10.4 | -4.5 | -5.9 | 0.73 |
| Dec | -17.1 | -8.7 | -8.4 | 0.87 |
Nearby years (cm vs. average)
-6.4
+6.2
-0.7
+4.7
+9.1
-6.2
-3.9
-5.6
-3.5
-1.3
+1.6
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1999 annual mean water level ranked 40 of 48 years (-6.2 cm vs. the period average).