Records for Ontario Area, Oregon (ONOthr) on 08-18
Record Highs
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1: 105°F (1967)
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2: 103°F (1992)
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3: 102°F (2020)
Record Lows
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1: 38°F (1995)
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2: 38°F (1978)
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3: 42°F (1974)
Lowest Highs
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1: 70°F (2013)
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2: 69°F (1977)
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3: 67°F (2016)
Highest Lows
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1: 66°F (1968)
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2: 75°F (1975)
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3: 77°F (1976)
Highest August temperature:
113°F on 08-04-1961.
Lowest August temperature:
33°F on 08-28-1960.
Average temperature is 73.8°F
Average high is 91°F
Average low is 56.6°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 0.25" (1968)
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2: 0.13" (1958)
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3: 0.10" (1975)
Precipitation data from 1945 to 2022.