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Boston water levels in 2020
Annual rank7 / 105
vs. average15.8 cm
Highest monthly peak2.43 mDecember 2020
Monthly mean vs. previous year
| Month | 2020 (cm) | 2019 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 11.5 | 9.2 | 2.3 | 2.00 |
| Feb | 7.2 | 0.6 | 6.6 | 2.20 |
| Mar | 11.4 | 6.0 | 5.4 | 2.18 |
| Apr | 21.5 | 8.4 | 13.1 | 2.35 |
| May | 7.9 | 17.3 | -9.4 | 2.32 |
| Jun | 13.9 | 17.3 | -3.4 | 2.17 |
| Jul | 17.0 | 17.5 | -0.5 | 2.18 |
| Aug | 14.9 | 15.6 | -0.7 | 2.02 |
| Sep | 11.9 | 14.0 | -2.1 | 2.30 |
| Oct | 11.3 | 22.7 | -11.4 | 2.09 |
| Nov | 7.2 | 14.9 | -7.7 | 2.26 |
| Dec | 12.4 | 12.3 | 0.1 | 2.43 |
Nearby years (cm vs. average)
+9.6
+13.4
+14.0
+14.6
+16.4
+15.8
+16.4
+14.1
+22.7
+21.3
+15.9
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2020 annual mean water level ranked 7 of 105 years (15.8 cm vs. the period average).