Records for Hillsboro Area, Oregon (HIOthr) on 09-29
Record Highs
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1: 89°F (2008)
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2: 87°F (2020)
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3: 87°F (1989)
Record Lows
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1: 33°F (1961)
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2: 33°F (1937)
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3: 35°F (2007)
Lowest Highs
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1: 57°F (2000)
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2: 56°F (1994)
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3: 55°F (1997)
Highest Lows
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1: 50°F (2019)
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2: 53°F (1971)
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3: 56°F (2013)
Highest September temperature:
103°F on 09-03-1988.
Lowest September temperature:
29°F on 09-17-1965.
Average temperature is 58.1°F
Average high is 71.5°F
Average low is 44.6°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 1.39" (2013)
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2: 0.71" (1944)
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3: 0.40" (1951)
Precipitation data from 1929 to 2022.