Records for Hillsboro Area, Oregon (HIOthr) on 04-30
Record Highs
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1: 90°F (1998)
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2: 86°F (1957)
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3: 83°F (2004)
Record Lows
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1: 28°F (1949)
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2: 29°F (1969)
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3: 29°F (1946)
Lowest Highs
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1: 58°F (1957)
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2: 57°F (1998)
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3: 52°F (1981)
Highest Lows
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1: 50°F (1964)
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2: 53°F (1986)
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3: 53°F (1984)
Highest April temperature:
90°F on 04-29-1957.
Lowest April temperature:
20°F on 04-16-1933.
Average temperature is 53.2°F
Average high is 65°F
Average low is 41.3°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 1.11" (1940)
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2: 0.40" (1977)
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3: 0.38" (1942)
Precipitation data from 1929 to 2022.