Records for Ontario Area, Oregon (ONOthr) on 05-07
Record Highs
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1: 95°F (1987)
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2: 92°F (1992)
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3: 90°F (1969)
Record Lows
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1: 28°F (2010)
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2: 28°F (1984)
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3: 30°F (1959)
Lowest Highs
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1: 59°F (1947)
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2: 56°F (1992)
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3: 55°F (2019)
Highest Lows
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1: 53°F (2002)
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2: 55°F (1979)
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3: 57°F (2006)
Highest May temperature:
103°F on 05-29-1986.
Lowest May temperature:
25°F on 05-01-1946.
Average temperature is 57.3°F
Average high is 70.8°F
Average low is 43.9°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 0.55" (1989)
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2: 0.37" (1991)
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3: 0.32" (1960)
Precipitation data from 1945 to 2022.