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Nantucket water levels in 1990
Annual rank45 / 60
vs. average-6.8 cm
Highest monthly peak1.04 mDecember 1990
Monthly mean vs. previous year
| Month | 1990 (cm) | 1989 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -11.3 | -7.6 | -3.7 | 0.93 |
| Feb | -10.4 | -9.8 | -0.6 | 0.88 |
| Mar | -15.9 | -13.7 | -2.2 | 0.67 |
| Apr | -12.8 | -11.0 | -1.8 | 0.72 |
| May | -1.5 | -6.7 | 5.2 | 0.87 |
| Jun | -1.5 | -1.2 | -0.3 | 0.90 |
| Jul | -1.2 | -1.5 | 0.3 | 0.80 |
| Aug | 1.2 | 1.2 | 0.0 | 0.70 |
| Sep | 2.1 | -1.2 | 3.3 | 0.74 |
| Oct | 3.0 | 0.3 | 2.7 | 0.92 |
| Nov | 2.4 | 0.9 | 1.5 | 1.03 |
| Dec | -7.9 | -8.2 | 0.3 | 1.04 |
Nearby years (cm vs. average)
-4.1
-4.2
-1.7
-5.5
-7.2
-6.8
-2.0
-1.8
-0.4
-6.9
-3.0
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1990 annual mean water level ranked 45 of 60 years (-6.8 cm vs. the period average).