Records for Ontario Area, Oregon (ONOthr) on 05-16
Record Highs
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1: 97°F (1973)
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2: 94°F (2006)
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3: 94°F (1970)
Record Lows
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1: 30°F (1974)
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2: 33°F (1968)
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3: 34°F (1966)
Lowest Highs
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1: 62°F (1954)
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2: 61°F (1973)
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3: 60°F (2012)
Highest Lows
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1: 53°F (1998)
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2: 54°F (2017)
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3: 59°F (2011)
Highest May temperature:
103°F on 05-29-1986.
Lowest May temperature:
25°F on 05-01-1946.
Average temperature is 60.4°F
Average high is 73.9°F
Average low is 46.9°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 0.80" (1991)
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2: 0.69" (1996)
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3: 0.62" (2017)
Precipitation data from 1945 to 2022.