Records for Ontario Area, Oregon (ONOthr) on 05-14
Record Highs
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1: 94°F (1973)
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2: 94°F (1972)
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3: 92°F (1987)
Record Lows
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1: 28°F (1970)
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2: 31°F (1983)
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3: 31°F (1960)
Lowest Highs
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1: 63°F (1959)
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2: 60°F (1949)
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3: 58°F (1992)
Highest Lows
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1: 57°F (1998)
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2: 58°F (1999)
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3: 63°F (2020)
Highest May temperature:
103°F on 05-29-1986.
Lowest May temperature:
25°F on 05-01-1946.
Average temperature is 59.8°F
Average high is 73.3°F
Average low is 46.3°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 0.26" (1969)
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2: 0.18" (1985)
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3: 0.15" (2020)
Precipitation data from 1945 to 2022.