Records for Hillsboro Area, Oregon (HIOthr) on 09-03
Record Highs
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1: 103°F (1988)
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2: 98°F (2020)
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3: 96°F (2017)
Record Lows
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1: 39°F (1984)
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2: 39°F (1980)
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3: 40°F (1964)
Lowest Highs
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1: 60°F (2013)
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2: 59°F (1977)
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3: 59°F (1946)
Highest Lows
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1: 64°F (1969)
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2: 64°F (1964)
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3: 64°F (1941)
Highest September temperature:
103°F on 09-03-1988.
Lowest September temperature:
29°F on 09-17-1965.
Average temperature is 64.8°F
Average high is 79.9°F
Average low is 49.7°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 1.38" (1979)
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2: 0.52" (1978)
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3: 0.48" (1945)
Precipitation data from 1929 to 2022.