Records for Ontario Area, Oregon (ONOthr) on 05-27
Record Highs
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1: 96°F (1958)
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2: 95°F (1986)
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3: 95°F (1983)
Record Lows
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1: 33°F (1954)
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2: 33°F (1953)
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3: 36°F (1991)
Lowest Highs
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1: 61°F (1986)
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2: 61°F (1971)
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3: 58°F (2009)
Highest Lows
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1: 57°F (1998)
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2: 58°F (2011)
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3: 61°F (2010)
Highest May temperature:
103°F on 05-29-1986.
Lowest May temperature:
25°F on 05-01-1946.
Average temperature is 63.4°F
Average high is 76.8°F
Average low is 50°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 0.45" (1956)
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2: 0.43" (2010)
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3: 0.43" (1990)
Precipitation data from 1945 to 2022.