Records for Ontario Area, Oregon (ONOthr) on 05-23
Record Highs
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1: 95°F (2001)
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2: 94°F (1969)
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3: 94°F (1967)
Record Lows
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1: 27°F (1966)
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2: 30°F (2010)
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3: 30°F (1986)
Lowest Highs
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1: 60°F (1979)
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2: 59°F (1967)
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3: 59°F (1956)
Highest Lows
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1: 57°F (1965)
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2: 58°F (1980)
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3: 63°F (2011)
Highest May temperature:
103°F on 05-29-1986.
Lowest May temperature:
25°F on 05-01-1946.
Average temperature is 62.4°F
Average high is 75.9°F
Average low is 49°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 0.43" (1965)
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2: 0.39" (1953)
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3: 0.36" (1970)
Precipitation data from 1945 to 2022.