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St. Petersburg water levels in 2021
Annual rank6 / 79
vs. average14.5 cm
Highest monthly peak0.82 mOctober 2021
Monthly mean vs. previous year
| Month | 2021 (cm) | 2020 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 2.1 | 5.3 | -3.2 | 0.71 |
| Feb | 5.6 | 1.4 | 4.2 | 0.64 |
| Mar | 6.2 | 3.6 | 2.6 | 0.61 |
| Apr | 11.1 | 15.2 | -4.1 | 0.67 |
| May | 7.3 | 9.6 | -2.3 | 0.66 |
| Jun | 15.4 | 18.7 | -3.3 | 0.65 |
| Jul | 14.6 | 16.8 | -2.2 | 0.81 |
| Aug | 22.2 | 21.3 | 0.9 | 0.71 |
| Sep | 22.3 | 26.8 | -4.5 | 0.64 |
| Oct | 27.9 | 28.9 | -1.0 | 0.82 |
| Nov | 17.2 | 17.7 | -0.5 | 0.71 |
| Dec | 13.1 | 3.8 | 9.3 | 0.69 |
Nearby years (cm vs. average)
+12.7
+10.5
+10.6
+16.2
+14.8
+14.5
+16.6
+16.9
+16.5
+11.9
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2021 annual mean water level ranked 6 of 79 years (14.5 cm vs. the period average).