San Joaquin River - Gallagher Slough Rainfall Forecast

Today 16 Apr
No Rain
Fri 17 Apr
No Rain
Sat 18 Apr
No Rain
Sun 19 Apr
30%
Mon 20 Apr
55%
Tue 21 Apr
60%
Wed 22 Apr
20%

San Joaquin River - Gallagher Slough Rainfall Statistics

April Rainfall

Concord, Buchanan Field (19.3 miles)

Total Rainfall 2026
3.9in
Daily Average 2026
0.04in
Wettest Day 4 January, 2026
0.8in
Wet Days 2026
18/106 (17%)
Total Rainfall March
0.03in
Daily Average March
0in
Wettest Day 31 March, 2026
0.03in
Wet Days March
1/31 (3%)
Total Rainfall April
1.3in
Daily Average April
0.1in
Wettest Day 11 April, 2026
0.5in
Wet Days April
4/16 (25%)

Climate (2010–Present)

Concord, Buchanan Field (19.3 miles)

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Annual Average 2021–2025
12in
Monthly Average 2021–2026
1in
Daily Average 2021–2026
0.03in
Wettest Day 24 October, 2021
4.5in

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