Records for Boise Area, Idaho (BOIthr) on 05-30
Record Highs
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1: 98°F (2020)
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2: 98°F (1986)
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3: 97°F (1887)
Record Lows
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1: 33°F (1979)
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2: 33°F (1919)
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3: 34°F (1920)
Lowest Highs
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1: 69°F (2020)
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2: 65°F (2015)
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3: 64°F (2009)
Highest Lows
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1: 50°F (1906)
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2: 51°F (2022)
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3: 53°F (1919)
Highest May temperature:
100°F on 05-29-1897.
Lowest May temperature:
22°F on 05-05-1982.
Average temperature is 63.5°F
Average high is 76.2°F
Average low is 50.9°F
Temperature data from 1875 to 2022.
Record Precipitation
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1: 0.49" (2019)
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2: 0.40" (1942)
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3: 0.37" (1947)
Precipitation data from 1878 to 2022.