Records for Ontario Area, Oregon (ONOthr) on 08-19
Record Highs
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1: 109°F (1967)
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2: 105°F (1971)
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3: 102°F (1977)
Record Lows
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1: 39°F (1978)
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2: 42°F (1995)
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3: 42°F (1976)
Lowest Highs
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1: 72°F (2022)
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2: 67°F (2017)
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3: 67°F (2016)
Highest Lows
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1: 65°F (1975)
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2: 66°F (1968)
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3: 69°F (2007)
Highest August temperature:
113°F on 08-04-1961.
Lowest August temperature:
33°F on 08-28-1960.
Average temperature is 73.5°F
Average high is 90.7°F
Average low is 56.3°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 0.31" (1968)
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2: 0.30" (1965)
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3: 0.15" (1975)
Precipitation data from 1945 to 2022.