Records for Boise Area, Idaho (BOIthr) on 09-14
Record Highs
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1: 101°F (2000)
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2: 96°F (2002)
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3: 95°F (1948)
Record Lows
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1: 23°F (1970)
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2: 27°F (1889)
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3: 36°F (1947)
Lowest Highs
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1: 67°F (2000)
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2: 66°F (2009)
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3: 65°F (2011)
Highest Lows
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1: 55°F (1919)
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2: 55°F (1884)
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3: 57°F (1970)
Highest September temperature:
104°F on 09-07-2022.
Lowest September temperature:
23°F on 09-14-1970.
Average temperature is 67°F
Average high is 80.8°F
Average low is 53.2°F
Temperature data from 1875 to 2022.
Record Precipitation
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1: 0.63" (1884)
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2: 0.61" (1959)
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3: 0.27" (1918)
Precipitation data from 1878 to 2022.