Records for Boise Area, Idaho (BOIthr) on 05-14
Record Highs
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1: 91°F (1987)
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2: 91°F (1975)
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3: 90°F (1888)
Record Lows
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1: 28°F (1986)
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2: 29°F (1943)
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3: 30°F (1970)
Lowest Highs
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1: 61°F (1931)
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2: 59°F (2019)
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3: 59°F (2011)
Highest Lows
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1: 44°F (1955)
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2: 50°F (1896)
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3: 54°F (1880)
Highest May temperature:
100°F on 05-29-1897.
Lowest May temperature:
22°F on 05-05-1982.
Average temperature is 59.6°F
Average high is 72°F
Average low is 47.2°F
Temperature data from 1875 to 2022.
Record Precipitation
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1: 0.53" (1885)
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2: 0.44" (1996)
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3: 0.40" (1985)
Precipitation data from 1878 to 2022.