Boulder Reservoir Rainfall Forecast
- 100%
- 80%
- 20%
- 15%
- 30%
- 55%
- 35%
Boulder Reservoir Rainfall Statistics
January Rainfall
Alturas (42.9 miles)
Total Rainfall January
2inDaily Average January
0.1inWettest Day 4 January, 2021
1.5inWet Days January
8/27 (30%)
Climate (2010–Present)
Alturas (42.9 miles)
Annual Average 2010–Present
16.6inMonthly Average 2010–Present
1.8inDaily Average 2010–Present
0.1inWettest Day 4 October, 2018
1.8in