Records for Ontario Area, Oregon (ONOthr) on 12-05
Record Highs
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1: 60°F (2012)
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2: 54°F (2003)
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3: 54°F (1975)
Record Lows
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1: -11°F (1992)
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2: 3°F (1972)
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3: 5°F (2005)
Lowest Highs
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1: 40°F (2003)
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2: 37°F (2012)
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3: 37°F (1987)
Highest Lows
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1: 14°F (1992)
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2: 20°F (1972)
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3: 25°F (2013)
Highest December temperature:
66°F on 12-22-1955.
Lowest December temperature:
-23°F on 12-10-1972.
Average temperature is 31°F
Average high is 38.5°F
Average low is 23.5°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 0.36" (2010)
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2: 0.24" (1971)
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3: 0.20" (1966)
Precipitation data from 1945 to 2022.