Records for Boise Area, Idaho (BOIthr) on 08-21
Record Highs
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1: 101°F (2005)
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2: 101°F (1897)
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3: 100°F (2022)
Record Lows
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1: 43°F (1918)
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2: 44°F (1988)
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3: 44°F (1904)
Lowest Highs
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1: 72°F (2012)
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2: 69°F (2022)
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3: 69°F (1885)
Highest Lows
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1: 57°F (1899)
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2: 67°F (1968)
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3: 70°F (1954)
Highest August temperature:
110°F on 08-04-1961.
Lowest August temperature:
32°F on 08-25-1892.
Average temperature is 74.5°F
Average high is 89.3°F
Average low is 59.7°F
Temperature data from 1875 to 2022.
Record Precipitation
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1: 0.15" (1923)
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2: 0.10" (1899)
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3: 0.05" (2021)
Precipitation data from 1878 to 2022.