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Boston water levels in 2025
Annual rank6 / 105
vs. average15.9 cm
Highest monthly peak2.20 mApril 2025
Monthly mean vs. previous year
| Month | 2025 (cm) | 2024 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 7.2 | 23.8 | -16.6 | 2.08 |
| Feb | 3.4 | 22.9 | -19.5 | 2.05 |
| Mar | 8.8 | 17.6 | -8.8 | 2.17 |
| Apr | 10.0 | 24.4 | -14.4 | 2.20 |
| May | 17.9 | 21.2 | -3.3 | 2.13 |
| Jun | 14.6 | 15.4 | -0.8 | 2.15 |
| Jul | 14.6 | 12.5 | 2.1 | 1.96 |
| Aug | 16.6 | 15.6 | 1.0 | 2.05 |
| Sep | 17.1 | 20.3 | -3.2 | 2.01 |
| Oct | 22.9 | 16.0 | 6.9 | 2.07 |
| Nov | 9.0 | 18.7 | -9.7 | 2.20 |
| Dec | 7.4 | 6.5 | 0.9 | 2.16 |
Nearby years (cm vs. average)
+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 2025 annual mean water level ranked 6 of 105 years (15.9 cm vs. the period average).