Records for Boise Area, Idaho (BOIthr) on 10-21
Record Highs
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1: 84°F (2003)
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2: 83°F (1915)
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3: 81°F (1875)
Record Lows
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1: 23°F (1996)
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2: 24°F (1945)
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3: 24°F (1933)
Lowest Highs
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1: 52°F (2021)
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2: 52°F (2003)
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3: 51°F (1989)
Highest Lows
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1: 43°F (1908)
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2: 44°F (1974)
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3: 45°F (1961)
Highest October temperature:
94°F on 10-01-1997.
Lowest October temperature:
11°F on 10-29-1971.
Average temperature is 50.7°F
Average high is 62°F
Average low is 39.4°F
Temperature data from 1875 to 2022.
Record Precipitation
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1: 0.65" (1974)
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2: 0.49" (1975)
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3: 0.48" (1899)
Precipitation data from 1878 to 2022.