Records for Hillsboro Area, Oregon (HIOthr) on 03-15
Record Highs
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1: 77°F (1947)
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2: 68°F (1994)
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3: 68°F (1972)
Record Lows
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1: 23°F (1951)
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2: 25°F (1955)
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3: 26°F (2021)
Lowest Highs
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1: 52°F (1972)
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2: 47°F (1931)
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3: 46°F (1940)
Highest Lows
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1: 43°F (2002)
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2: 45°F (1942)
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3: 46°F (2021)
Highest March temperature:
83°F on 03-28-1930.
Lowest March temperature:
18°F on 03-01-1960.
Average temperature is 46.2°F
Average high is 55.9°F
Average low is 36.5°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 1.08" (1967)
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2: 1.01" (1946)
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3: 0.93" (2015)
Precipitation data from 1929 to 2022.