Records for Ontario Area, Oregon (ONOthr) on 10-30
Record Highs
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1: 75°F (1990)
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2: 72°F (1965)
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3: 71°F (1997)
Record Lows
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1: 9°F (2019)
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2: 19°F (1995)
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3: 19°F (1993)
Lowest Highs
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1: 54°F (1964)
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2: 47°F (1990)
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3: 45°F (2001)
Highest Lows
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1: 39°F (2002)
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2: 41°F (1991)
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3: 42°F (2019)
Highest October temperature:
93°F on 10-01-1997.
Lowest October temperature:
9°F on 10-30-2019.
Average temperature is 43.8°F
Average high is 56.2°F
Average low is 31.4°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 1.03" (1982)
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2: 0.50" (1956)
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3: 0.39" (1945)
Precipitation data from 1945 to 2022.