San Luis Reservoir SPB Rainfall Forecast

Today 20 Sep
5%
Mon 21 Sep
No Rain
Tue 22 Sep
No Rain
Wed 23 Sep
No Rain
Thu 24 Sep
No Rain
Fri 25 Sep
No Rain
Sat 26 Sep
No Rain

San Luis Reservoir SPB Rainfall Statistics

September Rainfall

Hollister, CA (19.3 miles)

Total Rainfall 2026
6.2in
Daily Average 2026
0.02in
Wettest Day 16 February, 2026
1.4in
Wet Days 2026
21/263 (8%)
Total Rainfall August
0.01in
Daily Average August
0in
Wettest Day 28 August, 2026
0.01in
Wet Days August
1/31 (3%)
Total Rainfall September
0.1in
Daily Average September
0in
Wettest Day 4 September, 2026
0.1in
Wet Days September
1/20 (5%)

Climate (2021–2025)

Hollister, CA (19.3 miles)

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Annual Average 2021–2025
20.2in
Monthly Average 2021–2026
1.7in
Daily Average 2021–2026
0.1in
Wettest Day 10 March, 2023
5in

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