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Boston water levels in 1990
Annual rank52 / 105
vs. average-0.5 cm
Highest monthly peak2.38 mDecember 1990
Monthly mean vs. previous year
| Month | 1990 (cm) | 1989 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -10.6 | -9.1 | -1.5 | 2.11 |
| Feb | -10.3 | -11.8 | 1.5 | 1.90 |
| Mar | -15.8 | -12.4 | -3.4 | 1.77 |
| Apr | -10.6 | -7.5 | -3.1 | 1.97 |
| May | 1.9 | -2.3 | 4.2 | 2.15 |
| Jun | 1.6 | 1.9 | -0.3 | 2.20 |
| Jul | -2.3 | -0.5 | -1.8 | 2.00 |
| Aug | 2.8 | 1.3 | 1.5 | 1.88 |
| Sep | 1.9 | -2.7 | 4.6 | 1.78 |
| Oct | 0.7 | -1.1 | 1.8 | 1.87 |
| Nov | 1.6 | -2.0 | 3.6 | 2.16 |
| Dec | -7.8 | -11.2 | 3.4 | 2.38 |
Nearby years (cm vs. average)
+2.6
+0.8
+2.6
-0.6
-1.3
-0.5
+3.5
+3.0
+4.4
-1.1
+3.1
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1990 annual mean water level ranked 52 of 105 years (-0.5 cm vs. the period average).