Records for Ontario Area, Oregon (ONOthr) on 06-18
Record Highs
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1: 106°F (1974)
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2: 105°F (1961)
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3: 103°F (1968)
Record Lows
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1: 31°F (1973)
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2: 33°F (1996)
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3: 37°F (1954)
Lowest Highs
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1: 66°F (2019)
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2: 65°F (1982)
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3: 62°F (1988)
Highest Lows
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1: 59°F (1975)
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2: 63°F (1964)
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3: 64°F (1979)
Highest June temperature:
109°F on 06-28-2015.
Lowest June temperature:
31°F on 06-18-1973.
Average temperature is 68.7°F
Average high is 82.8°F
Average low is 54.5°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 0.48" (1975)
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2: 0.24" (2002)
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3: 0.24" (1979)
Precipitation data from 1945 to 2022.