Records for Ontario Area, Oregon (ONOthr) on 08-21
Record Highs
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1: 104°F (1969)
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2: 104°F (1961)
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3: 103°F (1977)
Record Lows
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1: 41°F (1974)
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2: 42°F (1968)
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3: 42°F (1945)
Lowest Highs
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1: 70°F (1999)
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2: 69°F (1967)
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3: 65°F (2022)
Highest Lows
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1: 68°F (1968)
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2: 73°F (1954)
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3: 75°F (1990)
Highest August temperature:
113°F on 08-04-1961.
Lowest August temperature:
33°F on 08-28-1960.
Average temperature is 72.9°F
Average high is 90°F
Average low is 55.7°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 0.28" (1965)
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2: 0.27" (1968)
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3: 0.05" (1986)
Precipitation data from 1945 to 2022.