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St. Petersburg water levels in 1990
Annual rank32 / 79
vs. average0.9 cm
Highest monthly peak0.71 mDecember 1990
Monthly mean vs. previous year
| Month | 1990 (cm) | 1989 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -15.7 | -7.1 | -8.6 | 0.46 |
| Feb | -12.3 | -7.7 | -4.6 | 0.47 |
| Mar | -0.1 | -2.8 | 2.7 | 0.65 |
| Apr | -3.5 | -5.0 | 1.5 | 0.68 |
| May | 6.6 | -3.8 | 10.4 | 0.70 |
| Jun | 1.7 | 8.4 | -6.7 | 0.62 |
| Jul | 4.8 | 6.9 | -2.1 | 0.62 |
| Aug | 9.0 | 9.6 | -0.6 | 0.58 |
| Sep | 5.7 | 13.0 | -7.3 | 0.49 |
| Oct | 6.3 | 3.2 | 3.1 | 0.68 |
| Nov | 4.8 | -0.4 | 5.2 | 0.68 |
| Dec | -5.9 | -15.3 | 9.4 | 0.71 |
Nearby years (cm vs. average)
+0.6
+0.9
+0.7
-2.0
+0.7
+0.9
+2.0
-0.0
-0.8
+0.5
+3.7
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1990 annual mean water level ranked 32 of 79 years (0.9 cm vs. the period average).