Records for Ontario Area, Oregon (ONOthr) on 12-28
Record Highs
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1: 60°F (1965)
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2: 54°F (1945)
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3: 51°F (2002)
Record Lows
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1: -8°F (1985)
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2: -6°F (1988)
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3: -3°F (1983)
Lowest Highs
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1: 37°F (2002)
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2: 36°F (1945)
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3: 35°F (1998)
Highest Lows
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1: 8°F (1985)
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2: 15°F (1988)
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3: 22°F (2016)
Highest December temperature:
66°F on 12-22-1955.
Lowest December temperature:
-23°F on 12-10-1972.
Average temperature is 28°F
Average high is 34.6°F
Average low is 21.5°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 0.73" (2010)
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2: 0.50" (2005)
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3: 0.47" (1957)
Precipitation data from 1945 to 2022.