Records for Hillsboro Area, Oregon (HIOthr) on 09-09
Record Highs
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1: 96°F (1948)
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2: 95°F (1944)
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3: 94°F (1963)
Record Lows
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1: 38°F (1970)
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2: 39°F (2000)
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3: 40°F (1998)
Lowest Highs
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1: 62°F (2020)
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2: 61°F (2017)
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3: 60°F (1958)
Highest Lows
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1: 63°F (1956)
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2: 64°F (2003)
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3: 66°F (2010)
Highest September temperature:
103°F on 09-03-1988.
Lowest September temperature:
29°F on 09-17-1965.
Average temperature is 63.7°F
Average high is 78.6°F
Average low is 48.8°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 0.90" (1931)
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2: 0.78" (1956)
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3: 0.71" (1978)
Precipitation data from 1929 to 2022.