Records for Boise Area, Idaho (BOIthr) on 09-27
Record Highs
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1: 95°F (2022)
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2: 92°F (1957)
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3: 89°F (1960)
Record Lows
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1: 28°F (1886)
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2: 30°F (1900)
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3: 31°F (1894)
Lowest Highs
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1: 60°F (2010)
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2: 59°F (1962)
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3: 59°F (1957)
Highest Lows
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1: 54°F (1972)
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2: 55°F (1986)
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3: 56°F (1959)
Highest September temperature:
104°F on 09-07-2022.
Lowest September temperature:
23°F on 09-14-1970.
Average temperature is 62°F
Average high is 75.1°F
Average low is 48.9°F
Temperature data from 1875 to 2022.
Record Precipitation
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1: 0.51" (1927)
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2: 0.39" (1986)
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3: 0.27" (1972)
Precipitation data from 1878 to 2022.