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Boston water levels in 2018
Annual rank9 / 105
vs. average14.6 cm
Highest monthly peak3.04 mJanuary 2018
Monthly mean vs. previous year
| Month | 2018 (cm) | 2017 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -2.1 | 6.8 | -8.9 | 3.04 |
| Feb | -3.4 | 9.1 | -12.5 | 2.23 |
| Mar | 26.1 | -0.2 | 26.3 | 2.87 |
| Apr | 9.3 | 14.2 | -4.9 | 2.10 |
| May | 9.8 | 20.1 | -10.3 | 2.13 |
| Jun | 16.0 | 15.2 | 0.8 | 2.35 |
| Jul | 9.4 | – | – | 2.21 |
| Aug | 15.2 | 11.7 | 3.5 | 2.24 |
| Sep | 15.9 | 15.7 | 0.2 | 2.23 |
| Oct | 15.8 | 10.8 | 5.0 | 2.23 |
| Nov | 11.8 | 10.5 | 1.3 | 2.38 |
| Dec | 10.7 | 2.0 | 8.7 | 2.26 |
Nearby years (cm vs. average)
+12.4
+12.5
+9.6
+13.4
+14.0
+14.6
+16.4
+15.8
+16.4
+14.1
+22.7
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2018 annual mean water level ranked 9 of 105 years (14.6 cm vs. the period average).