Records for Ontario Area, Oregon (ONOthr) on 09-20
Record Highs
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1: 94°F (1967)
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2: 92°F (1979)
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3: 91°F (1994)
Record Lows
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1: 27°F (1978)
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2: 30°F (1983)
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3: 30°F (1947)
Lowest Highs
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1: 62°F (1984)
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2: 58°F (1956)
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3: 56°F (2016)
Highest Lows
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1: 55°F (1986)
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2: 60°F (1983)
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3: 61°F (1945)
Highest September temperature:
104°F on 09-01-1967.
Lowest September temperature:
24°F on 09-19-1965.
Average temperature is 62.5°F
Average high is 79.3°F
Average low is 45.8°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 1.00" (2008)
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2: 0.44" (1986)
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3: 0.30" (1970)
Precipitation data from 1945 to 2022.