Records for Ontario Area, Oregon (ONOthr) on 09-30
Record Highs
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1: 93°F (1963)
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2: 93°F (1957)
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3: 89°F (2016)
Record Lows
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1: 24°F (1985)
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2: 26°F (1954)
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3: 28°F (1972)
Lowest Highs
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1: 55°F (1957)
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2: 54°F (1967)
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3: 53°F (2012)
Highest Lows
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1: 53°F (1971)
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2: 58°F (1950)
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3: 59°F (1986)
Highest September temperature:
104°F on 09-01-1967.
Lowest September temperature:
24°F on 09-19-1965.
Average temperature is 58.1°F
Average high is 74.2°F
Average low is 42°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 0.35" (1989)
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2: 0.25" (1967)
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3: 0.22" (2013)
Precipitation data from 1945 to 2022.