Reservoir Number Three, Washington Climate Averages

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Reservoir Number Three Monthly Climate Averages

January
February
March
April
May
June
July
August
September
October
November
December
Hi 45°F Lo 37°F Hi 45°F Lo 36°F Hi 50°F Lo 38°F Hi 55°F Lo 41°F Hi 62°F Lo 46°F Hi 67°F Lo 51°F Hi 73°F Lo 55°F Hi 74°F Lo 57°F Hi 68°F Lo 53°F Hi 58°F Lo 46°F Hi 49°F Lo 40°F Hi 44°F Lo 36°F
6 mph 5 mph 6 mph 5 mph 4 mph 4 mph 4 mph 4 mph 4 mph 5 mph 6 mph 6 mph
8.6 in 6.2 in 7.5 in 5.1 in 3.5 in 2.8 in 0.9 in 1.4 in 3.7 in 7.3 in 10.3 in 9 in
84% 83% 81% 78% 76% 74% 72% 73% 76% 79% 82% 84%
60% 60% 60% 54% 45% 41% 26% 27% 37% 47% 59% 62%
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 30.1 in
16 14 16 20 24 24 29 28 24 20 15 16
13 11 14 10 7 6 2 3 6 11 15 14
2 3 2 0 0 0 0 0 0 0 0 1
1 0 0 0 0 0 0 0 1 0 0 0
2 2 2 3 4 4 5 4 3 3 2 2
111 91 99 119 159 172 241 257 201 155 104 94
January
February
March
April
May
June
July
August
September
October
November
December
Hi 7°C Lo 3°C Hi 7°C Lo 2°C Hi 10°C Lo 3°C Hi 13°C Lo 5°C Hi 17°C Lo 8°C Hi 19°C Lo 11°C Hi 23°C Lo 13°C Hi 23°C Lo 14°C Hi 20°C Lo 12°C Hi 14°C Lo 8°C Hi 9°C Lo 5°C Hi 6°C Lo 2°C
9 km/h 9 km/h 9 km/h 8 km/h 7 km/h 7 km/h 6 km/h 6 km/h 7 km/h 8 km/h 10 km/h 9 km/h
218 mm 157 mm 189 mm 130 mm 89 mm 71 mm 22 mm 35 mm 94 mm 184 mm 262 mm 228 mm
84% 83% 81% 78% 76% 74% 72% 73% 76% 79% 82% 84%
60% 60% 60% 54% 45% 41% 26% 27% 37% 47% 59% 62%
1019 mb 1018 mb 1016 mb 1017 mb 1017 mb 1016 mb 1017 mb 1016 mb 1016 mb 1017 mb 1017 mb 1018 mb
16 14 16 20 24 24 29 28 24 20 15 16
13 11 14 10 7 6 2 3 6 11 15 14
2 3 2 0 0 0 0 0 0 0 0 1
1 0 0 0 0 0 0 0 1 0 0 0
2 2 2 3 4 4 5 4 3 3 2 2
111 91 99 119 159 172 241 257 201 155 104 94
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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