Records for Ontario Area, Oregon (ONOthr) on 12-09
Record Highs
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1: 55°F (2015)
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2: 52°F (1993)
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3: 50°F (2019)
Record Lows
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1: -18°F (1972)
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2: -14°F (2013)
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3: 1°F (2009)
Lowest Highs
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1: 38°F (2004)
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2: 36°F (1970)
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3: 35°F (2015)
Highest Lows
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1: 9°F (1972)
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2: 11°F (2013)
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3: 20°F (2009)
Highest December temperature:
66°F on 12-22-1955.
Lowest December temperature:
-23°F on 12-10-1972.
Average temperature is 30.1°F
Average high is 37.3°F
Average low is 22.9°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 0.56" (1964)
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2: 0.33" (2016)
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3: 0.31" (1963)
Precipitation data from 1945 to 2022.