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Beaufort, Duke Marine Lab water levels in 1991
Annual rank31 / 55
vs. average-1.7 cm
Highest monthly peak1.10 mNovember 1991
Monthly mean vs. previous year
| Month | 1991 (cm) | 1990 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -0.7 | -22.0 | 21.3 | 0.79 |
| Feb | -13.8 | -16.9 | 3.1 | 0.66 |
| Mar | -0.1 | -6.8 | 6.7 | 0.71 |
| Apr | -8.6 | -9.8 | 1.2 | 0.82 |
| May | 0.2 | -1.3 | 1.5 | 0.79 |
| Jun | 6.0 | -1.9 | 7.9 | 0.83 |
| Jul | 6.0 | -1.6 | 7.6 | 0.95 |
| Aug | 5.7 | 2.6 | 3.1 | 0.80 |
| Sep | 11.8 | 10.3 | 1.5 | 0.86 |
| Oct | 10.3 | 7.2 | 3.1 | 0.95 |
| Nov | 7.5 | 2.0 | 5.5 | 1.10 |
| Dec | -14.7 | -9.2 | -5.5 | 0.69 |
Nearby years (cm vs. average)
-2.6
-4.2
-7.8
-7.2
-6.4
-1.7
-0.1
-0.9
-4.3
-0.2
-2.8
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1991 annual mean water level ranked 31 of 55 years (-1.7 cm vs. the period average).