Records for Boise Area, Idaho (BOIthr) on 12-30
Record Highs
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1: 57°F (1917)
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2: 55°F (1904)
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3: 54°F (1996)
Record Lows
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1: -9°F (1990)
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2: -7°F (1985)
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3: -3°F (1884)
Lowest Highs
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1: 43°F (1996)
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2: 42°F (1933)
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3: 38°F (1904)
Highest Lows
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1: 8°F (1990)
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2: 13°F (1985)
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3: 16°F (2016)
Highest December temperature:
70°F on 12-10-1939.
Lowest December temperature:
-25°F on 12-22-1990.
Average temperature is 30.8°F
Average high is 37.3°F
Average low is 24.3°F
Temperature data from 1875 to 2022.
Record Precipitation
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1: 0.86" (2002)
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2: 0.78" (1924)
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3: 0.75" (2005)
Precipitation data from 1878 to 2022.