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Washington, Washington Channel, D.c. water levels in 2025
Annual rank8 / 94
vs. average16.7 cm
Highest monthly peak1.16 mAugust 2025
Monthly mean vs. previous year
| Month | 2025 (cm) | 2024 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -18.0 | 18.6 | -36.6 | 0.77 |
| Feb | -1.7 | 29.0 | -30.7 | 0.75 |
| Mar | 5.4 | 21.7 | -16.3 | 0.84 |
| Apr | 7.5 | 35.2 | -27.7 | 0.77 |
| May | 27.4 | 34.2 | -6.8 | 1.11 |
| Jun | 27.1 | 18.9 | 8.2 | 0.93 |
| Jul | 23.4 | 17.6 | 5.8 | 0.89 |
| Aug | 31.1 | 22.3 | 8.8 | 1.16 |
| Sep | 30.0 | 38.8 | -8.8 | 0.98 |
| Oct | 29.9 | 22.0 | 7.9 | 1.12 |
| Nov | -5.0 | 10.3 | -15.3 | 0.68 |
| Dec | -6.5 | -4.4 | -2.1 | 0.74 |
Nearby years (cm vs. average)
+19.8
+17.1
+15.9
+21.8
+26.1
+16.7
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2025 annual mean water level ranked 8 of 94 years (16.7 cm vs. the period average).