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Anchorage, Knik Arm water levels in 2025
Annual rank17 / 46
vs. average1.4 cm
Highest monthly peak5.43 mOctober 2025
Monthly mean vs. previous year
| Month | 2025 (cm) | 2024 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -2.7 | – | – | 4.74 |
| Feb | -12.3 | – | – | 4.64 |
| Mar | 2.4 | -9.8 | 12.2 | 5.14 |
| Apr | -2.0 | -19.5 | 17.5 | 5.12 |
| May | 0.8 | -14.1 | 14.9 | 5.07 |
| Jun | -7.5 | -6.6 | -0.9 | 4.68 |
| Jul | -1.8 | -4.0 | 2.2 | 4.57 |
| Aug | -1.1 | -1.5 | 0.4 | 4.64 |
| Sep | 9.7 | 7.5 | 2.2 | 5.15 |
| Oct | 10.3 | 6.9 | 3.4 | 5.43 |
| Nov | 10.9 | -1.3 | 12.2 | 5.35 |
| Dec | -12.6 | 15.6 | -28.2 | 4.94 |
Nearby years (cm vs. average)
-2.7
+0.4
-0.1
-1.2
-0.7
+1.4
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2025 annual mean water level ranked 17 of 46 years (1.4 cm vs. the period average).