Records for Ontario Area, Oregon (ONOthr) on 12-30
Record Highs
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1: 56°F (2011)
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2: 53°F (1996)
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3: 48°F (1965)
Record Lows
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1: -12°F (1985)
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2: -10°F (1978)
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3: -7°F (2016)
Lowest Highs
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1: 41°F (1996)
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2: 36°F (2011)
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3: 35°F (1980)
Highest Lows
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1: 7°F (1985)
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2: 10°F (1990)
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3: 12°F (1978)
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: 0.88" (1983)
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2: 0.71" (2005)
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3: 0.64" (2002)
Precipitation data from 1945 to 2022.