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Anchorage, Knik Arm water levels in 1991
Annual rank12 / 46
vs. average3.8 cm
Highest monthly peak5.17 mDecember 1991
Monthly mean vs. previous year
| Month | 1991 (cm) | 1990 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -2.4 | 7.0 | -9.4 | 5.10 |
| Feb | 5.2 | -5.2 | 10.4 | 5.14 |
| Mar | -6.4 | 2.1 | -8.5 | 4.92 |
| Apr | -12.5 | -14.3 | 1.8 | 4.73 |
| May | -14.6 | -15.8 | 1.2 | 4.74 |
| Jun | -13.7 | -6.4 | -7.3 | 4.62 |
| Jul | -3.6 | -1.2 | -2.4 | 4.29 |
| Aug | 11.3 | 7.3 | 4.0 | 4.94 |
| Sep | 19.8 | 10.1 | 9.7 | 5.11 |
| Oct | 1.8 | 10.1 | -8.3 | 4.83 |
| Nov | 16.2 | -3.9 | 20.1 | 4.99 |
| Dec | 20.7 | -2.1 | 22.8 | 5.17 |
Nearby years (cm vs. average)
+1.8
+10.6
+8.1
-1.7
+0.9
+3.8
+9.7
+7.9
+4.3
+3.8
-4.3
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1991 annual mean water level ranked 12 of 46 years (3.8 cm vs. the period average).