Records for Ontario Area, Oregon (ONOthr) on 08-31
Record Highs
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1: 102°F (2022)
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2: 102°F (1967)
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3: 100°F (1987)
Record Lows
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1: 35°F (1965)
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2: 36°F (1951)
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3: 39°F (1999)
Lowest Highs
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1: 67°F (2007)
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2: 64°F (1971)
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3: 62°F (2018)
Highest Lows
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1: 65°F (1964)
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2: 67°F (1999)
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3: 69°F (1977)
Highest August temperature:
113°F on 08-04-1961.
Lowest August temperature:
33°F on 08-28-1960.
Average temperature is 69.7°F
Average high is 86.8°F
Average low is 52.5°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 0.40" (1984)
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2: 0.33" (1964)
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3: 0.30" (1979)
Precipitation data from 1945 to 2022.