Big Four Lake Rainfall Forecast

Today 15 May
50%
Fri 16 May
60%
Sat 17 May
75%
Sun 18 May
50%
Mon 19 May
35%
Tue 20 May
20%
Wed 21 May
10%

Big Four Lake Rainfall Statistics

May Rainfall

Pullman / Moscow Regional Airport (42.3 miles)

Total Rainfall 2025
8.1in
Daily Average 2025
0.1in
Wettest Day 23 February, 2025
1.1in
Wet Days 2025
50/135 (37%)
Total Rainfall April
0.8in
Daily Average April
0.03in
Wettest Day 7 April, 2025
0.5in
Wet Days April
6/30 (20%)
Total Rainfall May
0.3in
Daily Average May
0.02in
Wettest Day 11 May, 2025
0.2in
Wet Days May
3/15 (20%)

Climate (2010–Present)

Pullman / Moscow Regional Airport (42.3 miles)

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Annual Average 2020–2024
18.8in
Monthly Average 2020–2025
1.6in
Daily Average 2020–2025
0.1in
Wettest Day 4 November, 2022
1.8in

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