Records for Hillsboro Area, Oregon (HIOthr) on 03-21
Record Highs
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1: 77°F (1934)
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2: 72°F (1978)
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3: 72°F (1939)
Record Lows
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1: 27°F (1952)
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2: 28°F (2007)
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3: 29°F (2005)
Lowest Highs
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1: 52°F (1998)
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2: 48°F (1972)
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3: 47°F (1956)
Highest Lows
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1: 39°F (2012)
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2: 42°F (1966)
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3: 45°F (1975)
Highest March temperature:
83°F on 03-28-1930.
Lowest March temperature:
18°F on 03-01-1960.
Average temperature is 46.9°F
Average high is 56.6°F
Average low is 37.2°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 1.07" (1998)
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2: 0.67" (2003)
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3: 0.62" (1966)
Precipitation data from 1929 to 2022.