Old Rock Tank Rainfall Forecast

Today 16 May
5%
Sat 17 May
5%
Sun 18 May
5%
Mon 19 May
No Rain
Tue 20 May
10%
Wed 21 May
5%
Thu 22 May
5%

Old Rock Tank Rainfall Statistics

May Rainfall

Pleasanton Municipal Airport (28.6 miles)

Total Rainfall 2025
7.1in
Daily Average 2025
0.1in
Wettest Day 26 March, 2025
2.1in
Wet Days 2025
18/136 (13%)
Total Rainfall April
1.8in
Daily Average April
0.1in
Wettest Day 23 April, 2025
1.4in
Wet Days April
3/30 (10%)
Total Rainfall May
1.3in
Daily Average May
0.1in
Wettest Day 5 May, 2025
0.9in
Wet Days May
4/16 (25%)

Climate (2010–Present)

Pleasanton Municipal Airport (28.6 miles)

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Annual Average 2020–2024
24.9in
Monthly Average 2020–2025
2.1in
Daily Average 2020–2025
0.1in
Wettest Day 20 May, 2023
4.8in

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