Records for Hillsboro Area, Oregon (HIOthr) on 09-14
Record Highs
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1: 97°F (1937)
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2: 96°F (1957)
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3: 94°F (1951)
Record Lows
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1: 35°F (1970)
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2: 36°F (1969)
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3: 39°F (1936)
Lowest Highs
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1: 59°F (2022)
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2: 59°F (2013)
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3: 58°F (2000)
Highest Lows
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1: 60°F (1980)
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2: 60°F (1966)
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3: 61°F (2015)
Highest September temperature:
103°F on 09-03-1988.
Lowest September temperature:
29°F on 09-17-1965.
Average temperature is 62.6°F
Average high is 77.3°F
Average low is 48°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 1.47" (1996)
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2: 1.30" (1935)
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3: 0.61" (1976)
Precipitation data from 1929 to 2022.