Records for Boise Area, Idaho (BOIthr) on 05-28
Record Highs
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1: 99°F (2003)
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2: 99°F (1919)
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3: 95°F (1986)
Record Lows
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1: 34°F (1982)
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2: 36°F (2011)
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3: 36°F (1927)
Lowest Highs
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1: 71°F (1934)
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2: 63°F (2002)
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3: 61°F (2003)
Highest Lows
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1: 50°F (1927)
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2: 53°F (2011)
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3: 55°F (1942)
Highest May temperature:
100°F on 05-29-1897.
Lowest May temperature:
22°F on 05-05-1982.
Average temperature is 63.1°F
Average high is 75.7°F
Average low is 50.5°F
Temperature data from 1875 to 2022.
Record Precipitation
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1: 0.83" (2019)
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2: 0.82" (1953)
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3: 0.52" (1906)
Precipitation data from 1878 to 2022.