Records for Ontario Area, Oregon (ONOthr) on 06-20
Record Highs
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1: 107°F (1959)
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2: 106°F (1961)
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3: 102°F (1970)
Record Lows
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1: 40°F (1989)
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2: 40°F (1960)
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3: 42°F (1983)
Lowest Highs
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1: 67°F (1959)
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2: 66°F (1988)
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3: 65°F (2021)
Highest Lows
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1: 63°F (1948)
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2: 67°F (1947)
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3: 69°F (2019)
Highest June temperature:
109°F on 06-28-2015.
Lowest June temperature:
31°F on 06-18-1973.
Average temperature is 69.3°F
Average high is 83.6°F
Average low is 55°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 0.47" (1984)
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2: 0.26" (1948)
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3: 0.17" (1985)
Precipitation data from 1945 to 2022.