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Prudhoe Bay water levels in 1991
Annual rank27 / 35
vs. average-4.3 cm
Highest monthly peak0.86 mAugust 1991
Monthly mean vs. previous year
| Month | 1991 (cm) | 1990 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -7.4 | -7.5 | 0.1 | 0.60 |
| Feb | -12.6 | -11.9 | -0.7 | 0.29 |
| Mar | -9.0 | – | – | 0.24 |
| Apr | -11.4 | – | – | 0.12 |
| May | -8.4 | – | – | 0.26 |
| Jun | 4.1 | – | – | 0.37 |
| Jul | 12.4 | – | – | 0.53 |
| Aug | 23.3 | 1.4 | 21.9 | 0.86 |
| Sep | -8.7 | 10.5 | -19.2 | 0.38 |
| Oct | 4.2 | -3.4 | 7.6 | 0.42 |
| Nov | -5.9 | -7.1 | 1.2 | – |
| Dec | 14.0 | -10.2 | 24.2 | 0.28 |
Nearby years (cm vs. average)
-1.1
-4.3
-0.0
-7.4
-6.9
-3.4
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1991 annual mean water level ranked 27 of 35 years (-4.3 cm vs. the period average).