Records for Boise Area, Idaho (BOIthr) on 09-13
Record Highs
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1: 94°F (1945)
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2: 93°F (1955)
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3: 93°F (1946)
Record Lows
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1: 28°F (1889)
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2: 31°F (1992)
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3: 31°F (1970)
Lowest Highs
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1: 66°F (2017)
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2: 66°F (2011)
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3: 65°F (1959)
Highest Lows
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1: 54°F (1927)
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2: 54°F (1903)
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3: 55°F (1877)
Highest September temperature:
104°F on 09-07-2022.
Lowest September temperature:
23°F on 09-14-1970.
Average temperature is 67.4°F
Average high is 81.2°F
Average low is 53.5°F
Temperature data from 1875 to 2022.
Record Precipitation
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1: 1.35" (1893)
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2: 0.72" (1939)
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3: 0.46" (1897)
Precipitation data from 1878 to 2022.