Records for Hillsboro Area, Oregon (HIOthr) on 05-03
Record Highs
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1: 82°F (2017)
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2: 81°F (1970)
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3: 81°F (1944)
Record Lows
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1: 31°F (1949)
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2: 32°F (1964)
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3: 32°F (1959)
Lowest Highs
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1: 57°F (2017)
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2: 54°F (1936)
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3: 53°F (2016)
Highest Lows
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1: 50°F (1960)
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2: 51°F (1978)
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3: 53°F (2003)
Highest May temperature:
100°F on 05-29-1983.
Lowest May temperature:
26°F on 05-08-1935.
Average temperature is 54°F
Average high is 66°F
Average low is 42°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 0.90" (1948)
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2: 0.61" (1975)
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3: 0.58" (2012)
Precipitation data from 1929 to 2022.