Records for Ontario Area, Oregon (ONOthr) on 05-25
Record Highs
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1: 96°F (1966)
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2: 96°F (1961)
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3: 95°F (1992)
Record Lows
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1: 25°F (1975)
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2: 32°F (1978)
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3: 34°F (1960)
Lowest Highs
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1: 63°F (1999)
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2: 63°F (1992)
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3: 62°F (2007)
Highest Lows
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1: 53°F (1980)
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2: 62°F (1998)
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3: 62°F (1954)
Highest May temperature:
103°F on 05-29-1986.
Lowest May temperature:
25°F on 05-01-1946.
Average temperature is 62.9°F
Average high is 76.3°F
Average low is 49.5°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 0.68" (1998)
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2: 0.39" (1973)
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3: 0.25" (2019)
Precipitation data from 1945 to 2022.