Happy Valley Reservoir Rainfall Forecast
- 40%
- 35%
- 30%
- 25%
- 5%
- 5%
- 10%
Happy Valley Reservoir Rainfall Statistics
March Rainfall
The Dalles Municipal Airport (46 miles)
Total Rainfall March
1.5inDaily Average March
0.1inWettest Day 15 March, 2025
0.4inWet Days March
14/31 (45%)
Climate (2010–Present)
The Dalles Municipal Airport (46 miles)
Annual Average 2020–2024
11.3inMonthly Average 2020–2025
0.9inDaily Average 2020–2025
0.03inWettest Day 11 November, 2021
1.2in