Records for Boise Area, Idaho (BOIthr) on 05-19
Record Highs
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1: 90°F (2006)
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2: 90°F (1993)
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3: 90°F (1954)
Record Lows
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1: 28°F (1989)
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2: 28°F (1960)
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3: 31°F (1988)
Lowest Highs
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1: 64°F (2006)
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2: 60°F (1973)
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3: 60°F (1956)
Highest Lows
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1: 52°F (1921)
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2: 53°F (1908)
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3: 54°F (1938)
Highest May temperature:
100°F on 05-29-1897.
Lowest May temperature:
22°F on 05-05-1982.
Average temperature is 61°F
Average high is 73.4°F
Average low is 48.5°F
Temperature data from 1875 to 2022.
Record Precipitation
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1: 0.75" (1894)
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2: 0.65" (1953)
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3: 0.51" (1908)
Precipitation data from 1878 to 2022.