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Prudhoe Bay water levels in 1999
Annual rank34 / 35
vs. average-8.6 cm
Highest monthly peak0.73 mSeptember 1999
Monthly mean vs. previous year
| Month | 1999 (cm) | 1998 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -7.2 | -16.3 | 9.1 | 0.32 |
| Feb | -5.0 | -8.9 | 3.9 | 0.20 |
| Mar | -16.3 | -11.1 | -5.2 | 0.09 |
| Apr | -16.1 | -6.9 | -9.2 | 0.09 |
| May | -10.1 | -10.9 | 0.8 | 0.18 |
| Jun | 6.5 | -0.7 | 7.2 | 0.32 |
| Jul | 5.9 | 4.3 | 1.6 | 0.36 |
| Aug | 2.9 | 26.4 | -23.5 | 0.38 |
| Sep | 18.7 | 1.6 | 17.1 | 0.73 |
| Oct | -18.2 | -13.3 | -4.9 | 0.19 |
| Nov | -6.4 | -10.1 | 3.7 | 0.33 |
| Dec | -11.2 | -7.5 | -3.7 | 0.18 |
Nearby years (cm vs. average)
-7.4
-6.9
-3.4
-4.2
-8.3
-8.6
-2.1
-2.3
-0.1
+3.5
-2.0
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1999 annual mean water level ranked 34 of 35 years (-8.6 cm vs. the period average).