Records for Hillsboro Area, Oregon (HIOthr) on 04-28
Record Highs
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1: 87°F (1931)
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2: 86°F (1987)
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3: 86°F (1957)
Record Lows
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1: 31°F (2019)
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2: 31°F (1973)
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3: 31°F (1970)
Lowest Highs
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1: 55°F (1992)
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2: 53°F (1998)
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3: 53°F (1976)
Highest Lows
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1: 49°F (2011)
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2: 52°F (2009)
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3: 52°F (1967)
Highest April temperature:
90°F on 04-29-1957.
Lowest April temperature:
20°F on 04-16-1933.
Average temperature is 52.6°F
Average high is 64.4°F
Average low is 40.9°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 0.48" (1951)
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2: 0.45" (1969)
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3: 0.44" (1943)
Precipitation data from 1929 to 2022.