Records for Ontario Area, Oregon (ONOthr) on 05-30
Record Highs
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1: 102°F (1972)
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2: 101°F (1986)
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3: 98°F (2020)
Record Lows
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1: 37°F (1988)
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2: 37°F (1946)
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3: 38°F (2006)
Lowest Highs
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1: 65°F (1986)
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2: 64°F (2020)
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3: 64°F (2002)
Highest Lows
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1: 60°F (2022)
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2: 63°F (1954)
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3: 64°F (1998)
Highest May temperature:
103°F on 05-29-1986.
Lowest May temperature:
25°F on 05-01-1946.
Average temperature is 64.1°F
Average high is 77.5°F
Average low is 50.7°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 0.48" (2003)
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2: 0.30" (2022)
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3: 0.17" (1990)
Precipitation data from 1945 to 2022.