Walnut Canyon Reservoir Rainfall Forecast

Today 14 May
No Rain
Fri 15 May
No Rain
Sat 16 May
No Rain
Sun 17 May
No Rain
Mon 18 May
No Rain
Tue 19 May
No Rain
Wed 20 May
No Rain

Walnut Canyon Reservoir Rainfall Statistics

May Rainfall

Corona Airport (9.3 miles)

Total Rainfall 2026
3.2in
Daily Average 2026
0.02in
Wettest Day 16 February, 2026
0.7in
Wet Days 2026
18/134 (13%)
Total Rainfall April
0.6in
Daily Average April
0.02in
Wettest Day 26 April, 2026
0.3in
Wet Days April
5/30 (17%)
Total Rainfall May
0.1in
Daily Average May
0in
Wettest Day 5 May, 2026
0.1in
Wet Days May
1/14 (7%)

Climate (2010–Present)

Corona Airport (9.3 miles)

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Annual Average 2021–2025
3.5in
Monthly Average 2021–2026
0.3in
Daily Average 2021–2026
0.01in
Wettest Day 4 February, 2022
1in

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