Norton Slough Rainfall Forecast

Today 3 May
50%
Mon 4 May
40%
Tue 5 May
20%
Wed 6 May
10%
Thu 7 May
35%
Fri 8 May
15%
Sat 9 May
15%

Norton Slough Rainfall Statistics

May Rainfall

Lone Rock Tri-County Regional Airport (7.5 miles)

Total Rainfall 2026
10.6in
Daily Average 2026
0.1in
Wettest Day 2 April, 2026
1.5in
Wet Days 2026
38/123 (31%)
Total Rainfall April
5.6in
Daily Average April
0.3in
Wettest Day 2 April, 2026
1.5in
Wet Days April
15/30 (50%)
Total Rainfall May
–
Daily Average May
–
Wettest Day 3 May, 2026
–
Wet Days May
–

Climate (2010–Present)

Lone Rock Tri-County Regional Airport (7.5 miles)

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Annual Average 2021–2025
29.2in
Monthly Average 2021–2026
2.5in
Daily Average 2021–2026
0.1in
Wettest Day 10 August, 2025
2.9in

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