Records for Boise Area, Idaho (BOIthr) on 05-17
Record Highs
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1: 94°F (2008)
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2: 92°F (2006)
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3: 92°F (1992)
Record Lows
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1: 30°F (1942)
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2: 33°F (1981)
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3: 33°F (1965)
Lowest Highs
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1: 61°F (1997)
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2: 60°F (2006)
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3: 58°F (2021)
Highest Lows
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1: 49°F (2017)
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2: 51°F (1896)
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3: 52°F (2019)
Highest May temperature:
100°F on 05-29-1897.
Lowest May temperature:
22°F on 05-05-1982.
Average temperature is 60.4°F
Average high is 72.9°F
Average low is 48°F
Temperature data from 1875 to 2022.
Record Precipitation
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1: 0.85" (1915)
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2: 0.64" (1991)
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3: 0.60" (2019)
Precipitation data from 1878 to 2022.