Records for Boise Area, Idaho (BOIthr) on 12-09
Record Highs
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1: 60°F (1875)
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2: 59°F (1929)
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3: 59°F (1902)
Record Lows
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1: -21°F (1972)
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2: -7°F (2013)
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3: -4°F (2009)
Lowest Highs
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1: 48°F (1902)
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2: 46°F (1996)
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3: 46°F (1939)
Highest Lows
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1: 5°F (1972)
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2: 10°F (1932)
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3: 14°F (2013)
Highest December temperature:
70°F on 12-10-1939.
Lowest December temperature:
-25°F on 12-22-1990.
Average temperature is 32.9°F
Average high is 39.7°F
Average low is 26.1°F
Temperature data from 1875 to 2022.
Record Precipitation
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1: 0.62" (1909)
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2: 0.46" (1891)
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3: 0.40" (2004)
Precipitation data from 1878 to 2022.