Records for Ontario Area, Oregon (ONOthr) on 12-22
Record Highs
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1: 66°F (1955)
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2: 60°F (1964)
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3: 52°F (1971)
Record Lows
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1: -20°F (1990)
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2: -5°F (1985)
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3: -4°F (1948)
Lowest Highs
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1: 50°F (1955)
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2: 40°F (1964)
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3: 35°F (1973)
Highest Lows
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1: -1°F (1990)
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2: 12°F (1985)
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3: 12°F (1983)
Highest December temperature:
66°F on 12-22-1955.
Lowest December temperature:
-23°F on 12-10-1972.
Average temperature is 28.2°F
Average high is 35°F
Average low is 21.5°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 0.23" (1945)
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2: 0.20" (1967)
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3: 0.13" (2005)
Precipitation data from 1945 to 2022.