Records for Boise Area, Idaho (BOIthr) on 09-29
Record Highs
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1: 95°F (1992)
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2: 92°F (1989)
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3: 90°F (2016)
Record Lows
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1: 27°F (1954)
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2: 30°F (1882)
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3: 32°F (1902)
Lowest Highs
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1: 62°F (1890)
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2: 61°F (2016)
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3: 59°F (1989)
Highest Lows
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1: 49°F (1971)
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2: 51°F (1927)
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3: 52°F (1940)
Highest September temperature:
104°F on 09-07-2022.
Lowest September temperature:
23°F on 09-14-1970.
Average temperature is 61.1°F
Average high is 74.1°F
Average low is 48.2°F
Temperature data from 1875 to 2022.
Record Precipitation
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1: 0.59" (1927)
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2: 0.36" (2014)
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3: 0.28" (1940)
Precipitation data from 1878 to 2022.