Records for Hillsboro Area, Oregon (HIOthr) on 09-07
Record Highs
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1: 100°F (1958)
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2: 96°F (2011)
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3: 94°F (2012)
Record Lows
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1: 37°F (1999)
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2: 39°F (2002)
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3: 39°F (1976)
Lowest Highs
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1: 64°F (2017)
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2: 60°F (1953)
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3: 58°F (1963)
Highest Lows
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1: 64°F (2010)
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2: 65°F (1984)
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3: 65°F (1947)
Highest September temperature:
103°F on 09-03-1988.
Lowest September temperature:
29°F on 09-17-1965.
Average temperature is 64.1°F
Average high is 79.1°F
Average low is 49.1°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 0.87" (2010)
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2: 0.35" (1978)
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3: 0.16" (1947)
Precipitation data from 1929 to 2022.