Records for Ontario Area, Oregon (ONOthr) on 12-19
Record Highs
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1: 50°F (2011)
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2: 48°F (1960)
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3: 47°F (2018)
Record Lows
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1: -5°F (2016)
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2: -5°F (1985)
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3: -3°F (1984)
Lowest Highs
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1: 37°F (1962)
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2: 33°F (2018)
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3: 33°F (2014)
Highest Lows
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1: 12°F (1985)
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2: 16°F (1975)
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3: 17°F (2016)
Highest December temperature:
66°F on 12-22-1955.
Lowest December temperature:
-23°F on 12-10-1972.
Average temperature is 28.5°F
Average high is 35.3°F
Average low is 21.7°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 0.99" (1981)
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2: 0.38" (1953)
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3: 0.36" (1961)
Precipitation data from 1945 to 2022.