Records for Ontario Area, Oregon (ONOthr) on 05-03
Record Highs
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1: 93°F (1966)
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2: 90°F (1971)
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3: 89°F (1947)
Record Lows
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1: 27°F (1959)
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2: 28°F (1964)
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3: 30°F (1996)
Lowest Highs
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1: 60°F (1971)
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2: 57°F (2004)
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3: 51°F (1998)
Highest Lows
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1: 53°F (1964)
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2: 56°F (2007)
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3: 57°F (1957)
Highest May temperature:
103°F on 05-29-1986.
Lowest May temperature:
25°F on 05-01-1946.
Average temperature is 55.9°F
Average high is 69.2°F
Average low is 42.5°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 0.51" (2009)
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2: 0.50" (2003)
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3: 0.46" (2012)
Precipitation data from 1945 to 2022.