Records for Ontario Area, Oregon (ONOthr) on 12-29
Record Highs
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1: 56°F (1996)
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2: 55°F (1965)
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3: 53°F (2011)
Record Lows
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1: -12°F (1990)
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2: -10°F (1985)
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3: -6°F (1988)
Lowest Highs
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1: 38°F (1996)
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2: 35°F (1980)
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3: 34°F (2008)
Highest Lows
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1: 9°F (1985)
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2: 16°F (1988)
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3: 19°F (2016)
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: 0.58" (1988)
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2: 0.27" (1973)
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3: 0.24" (2021)
Precipitation data from 1945 to 2022.