Records for Hillsboro Area, Oregon (HIOthr) on 05-22
Record Highs
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1: 94°F (2001)
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2: 91°F (2017)
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3: 89°F (1988)
Record Lows
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1: 32°F (1960)
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2: 35°F (1955)
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3: 35°F (1944)
Lowest Highs
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1: 60°F (1958)
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2: 55°F (2017)
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3: 55°F (1941)
Highest Lows
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1: 50°F (2013)
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2: 56°F (2010)
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3: 57°F (1960)
Highest May temperature:
100°F on 05-29-1983.
Lowest May temperature:
26°F on 05-08-1935.
Average temperature is 58°F
Average high is 69.9°F
Average low is 46°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 1.00" (2013)
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2: 0.67" (2006)
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3: 0.37" (1942)
Precipitation data from 1929 to 2022.