Records for Hillsboro Area, Oregon (HIOthr) on 03-20
Record Highs
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1: 75°F (2019)
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2: 74°F (1998)
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3: 74°F (1978)
Record Lows
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1: 25°F (1955)
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2: 26°F (1943)
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3: 28°F (2001)
Lowest Highs
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1: 51°F (1998)
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2: 47°F (2016)
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3: 47°F (1990)
Highest Lows
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1: 43°F (1935)
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2: 45°F (1953)
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3: 45°F (1948)
Highest March temperature:
83°F on 03-28-1930.
Lowest March temperature:
18°F on 03-01-1960.
Average temperature is 46.8°F
Average high is 56.5°F
Average low is 37.1°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 0.50" (1945)
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2: 0.45" (1937)
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3: 0.40" (1994)
Precipitation data from 1929 to 2022.