Records for Ontario Area, Oregon (ONOthr) on 05-08
Record Highs
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1: 91°F (1966)
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2: 88°F (1994)
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3: 88°F (1969)
Record Lows
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1: 26°F (2002)
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2: 31°F (1990)
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3: 32°F (1959)
Lowest Highs
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1: 56°F (2016)
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2: 56°F (1974)
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3: 55°F (1987)
Highest Lows
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1: 49°F (1948)
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2: 51°F (1979)
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3: 56°F (2022)
Highest May temperature:
103°F on 05-29-1986.
Lowest May temperature:
25°F on 05-01-1946.
Average temperature is 57.7°F
Average high is 71.2°F
Average low is 44.2°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 0.36" (1979)
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2: 0.25" (2014)
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3: 0.25" (1957)
Precipitation data from 1945 to 2022.