Erickson Reservoir, Washington Climate Averages

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Erickson Reservoir Monthly Climate Averages

January
February
March
April
May
June
July
August
September
October
November
December
Hi 45°F Lo 37°F Hi 46°F Lo 37°F Hi 50°F Lo 39°F Hi 56°F Lo 42°F Hi 63°F Lo 47°F Hi 68°F Lo 52°F Hi 75°F Lo 56°F Hi 76°F Lo 58°F Hi 69°F Lo 54°F Hi 59°F Lo 47°F Hi 49°F Lo 41°F Hi 44°F Lo 37°F
6 mph 6 mph 6 mph 5 mph 5 mph 4 mph 4 mph 4 mph 4 mph 5 mph 6 mph 6 mph
6.5 in 4.7 in 5.3 in 3.8 in 2.7 in 2.1 in 0.7 in 1.1 in 2.7 in 5.2 in 8 in 7.4 in
85% 83% 81% 77% 74% 73% 70% 71% 75% 79% 83% 85%
59% 59% 58% 53% 45% 40% 26% 27% 37% 46% 57% 61%
30.1 in 30.1 in 30.0 in 30.0 in 30.0 in 30.0 in 30.0 in 30.0 in 30.0 in 30.0 in 30.0 in 30.0 in
18 16 19 21 24 25 29 28 24 22 17 18
12 10 11 9 7 5 2 3 6 9 12 12
1 2 1 0 0 0 0 0 0 0 0 1
1 1 1 0 0 0 1 1 1 0 1 1
2 2 3 3 4 5 5 4 4 3 2 2
112 89 99 121 157 169 239 254 200 159 104 95
January
February
March
April
May
June
July
August
September
October
November
December
Hi 7°C Lo 3°C Hi 8°C Lo 3°C Hi 10°C Lo 4°C Hi 13°C Lo 6°C Hi 17°C Lo 9°C Hi 20°C Lo 11°C Hi 24°C Lo 14°C Hi 24°C Lo 14°C Hi 21°C Lo 12°C Hi 15°C Lo 9°C Hi 10°C Lo 5°C Hi 7°C Lo 3°C
9 km/h 9 km/h 10 km/h 9 km/h 7 km/h 7 km/h 6 km/h 6 km/h 7 km/h 8 km/h 10 km/h 10 km/h
166 mm 118 mm 136 mm 97 mm 70 mm 54 mm 19 mm 29 mm 68 mm 132 mm 202 mm 187 mm
85% 83% 81% 77% 74% 73% 70% 71% 75% 79% 83% 85%
59% 59% 58% 53% 45% 40% 26% 27% 37% 46% 57% 61%
1019 mb 1018 mb 1016 mb 1018 mb 1017 mb 1016 mb 1017 mb 1016 mb 1016 mb 1017 mb 1017 mb 1018 mb
18 16 19 21 24 25 29 28 24 22 17 18
12 10 11 9 7 5 2 3 6 9 12 12
1 2 1 0 0 0 0 0 0 0 0 1
1 1 1 0 0 0 1 1 1 0 1 1
2 2 3 3 4 5 5 4 4 3 2 2
112 89 99 121 157 169 239 254 200 159 104 95
Month
Avg. Temperatures
Avg. Wind Speed
Avg. Precipitation
Average Humidity
Avg. Cloud Cover
Pressure Average
Average Dry Days
Avg. Precip. Days
Avg. Snow Days
Average Fog Days
Average UV Index
Avg. Hours of Sun
Averages are based on historical weather data from the past 10 years.

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