Records for Ontario Area, Oregon (ONOthr) on 05-11
Record Highs
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1: 95°F (1993)
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2: 93°F (2013)
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3: 92°F (1969)
Record Lows
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1: 27°F (1970)
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2: 28°F (1999)
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3: 29°F (1973)
Lowest Highs
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1: 58°F (1994)
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2: 52°F (1957)
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3: 51°F (2020)
Highest Lows
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1: 53°F (1967)
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2: 54°F (2000)
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3: 59°F (1970)
Highest May temperature:
103°F on 05-29-1986.
Lowest May temperature:
25°F on 05-01-1946.
Average temperature is 58.8°F
Average high is 72.3°F
Average low is 45.3°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 0.68" (1951)
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2: 0.30" (2003)
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3: 0.20" (1967)
Precipitation data from 1945 to 2022.