Grand Coulee Dam Airport Rainfall Forecast

Today 29 Mar
5%
Sun 30 Mar
60%
Mon 31 Mar
75%
Tue 1 Apr
15%
Wed 2 Apr
25%
Thu 3 Apr
30%
Fri 4 Apr
10%

Grand Coulee Dam Airport Rainfall Statistics

March Rainfall

Omak Airport (42.3 miles)

Total Rainfall 2025
2.2in
Daily Average 2025
0.03in
Wettest Day 13 March, 2025
0.3in
Wet Days 2025
25/88 (28%)
Total Rainfall February
0.8in
Daily Average February
0.03in
Wettest Day 22 February, 2025
0.2in
Wet Days February
10/31 (32%)
Total Rainfall March
0.9in
Daily Average March
0.03in
Wettest Day 13 March, 2025
0.3in
Wet Days March
7/29 (24%)

Climate (2010–Present)

Omak Airport (42.3 miles)

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Annual Average 2020–2024
11.4in
Monthly Average 2020–2025
0.9in
Daily Average 2020–2025
0.03in
Wettest Day 10 December, 2022
0.9in

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