Records for Ontario Area, Oregon (ONOthr) on 12-15
Record Highs
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1: 56°F (2002)
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2: 54°F (2006)
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3: 53°F (1969)
Record Lows
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1: -15°F (1972)
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2: -5°F (1985)
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3: -3°F (1967)
Lowest Highs
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1: 41°F (2002)
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2: 41°F (1977)
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3: 35°F (1995)
Highest Lows
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1: 15°F (1972)
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2: 18°F (1985)
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3: 20°F (2005)
Highest December temperature:
66°F on 12-22-1955.
Lowest December temperature:
-23°F on 12-10-1972.
Average temperature is 29°F
Average high is 35.9°F
Average low is 22°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 1.08" (1977)
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2: 0.77" (2009)
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3: 0.54" (1981)
Precipitation data from 1945 to 2022.