Howard A Hanson Lake water level today
Reservoir in King, Washington · Green
1,126.40ft
343.33 m · NGVD29
Measured · provisional
Much above normal for the date
What this means
It is lower than on Oct 21 in 1 of the last 10 years.
The lake has fallen 6.57 ft in 7 days and fallen 20.25 ft in 30 days.
Since 1999, the lowest daily level was 1,066.70 ft (Nov 2004) and the highest 1,188.80 ft (Jan 2009).
Howard A Hanson Lake level chart
Loading chart…
Measured
Normal range for the date (middle 50% of past years)
Same date in past years
| Date | Level | vs today |
|---|---|---|
| Oct 21, 2025 | 1,106.91 ft | ▼ 19.49 ft |
| Oct 21, 2024 | 1,118.14 ft | ▼ 8.26 ft |
| Oct 21, 2023 | 1,115.13 ft | ▼ 11.27 ft |
| Oct 21, 2022 | 1,112.64 ft | ▼ 13.76 ft |
| Oct 21, 2021 | 1,113.66 ft | ▼ 12.74 ft |
| Oct 21, 2020 | 1,135.97 ft | ▲ 9.57 ft |
| Oct 21, 2019 | 1,124.86 ft | ▼ 1.54 ft |
| Oct 21, 2018 | 1,112.42 ft | ▼ 13.98 ft |
| Oct 21, 2017 | 1,104.95 ft | ▼ 21.45 ft |
| Oct 21, 2016 | 1,115.03 ft | ▼ 11.37 ft |
Records & details
- Highest
- 1,188.80 ft on Jan 9, 2009
- Lowest
- 1,066.70 ft on Nov 24, 2004
- Records from
- 1999 (27 years of daily data)
- Storage
- 14,100 acre-ft
- Inflow
- 77.5 cfs (2.19 m³/s)
- Outflow
- 401 cfs (11.3 m³/s)
- Water temperature
- Not measured here
Weather & wind
This Afternoon66°F · Sunny
Wind NNW 2 mph
Wind NNW 2 mph
Tonight42°F · Partly Cloudy
Wind E 2 mph
Wind E 2 mph
Thursday54°F · Sunny
Wind NW 0 to 6 mph
Wind NW 0 to 6 mph
Thursday Night40°F · Mostly Cloudy
Wind WNW 3 mph
Wind WNW 3 mph
Friday47°F · Partly Sunny
Wind WNW 3 mph
Wind WNW 3 mph
Friday Night35°F · Partly Cloudy
Wind NNE 3 mph
Wind NNE 3 mph
NOAA National Weather Service forecast for this lake's location, updated 1 h ago.