Records for Ontario Area, Oregon (ONOthr) on 05-09
Record Highs
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1: 93°F (1969)
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2: 90°F (2013)
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3: 90°F (1987)
Record Lows
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1: 31°F (1999)
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2: 32°F (1983)
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3: 32°F (1972)
Lowest Highs
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1: 60°F (1966)
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2: 58°F (2007)
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3: 57°F (1994)
Highest Lows
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1: 51°F (2022)
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2: 54°F (1999)
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3: 56°F (1983)
Highest May temperature:
103°F on 05-29-1986.
Lowest May temperature:
25°F on 05-01-1946.
Average temperature is 58.1°F
Average high is 71.6°F
Average low is 44.6°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 0.38" (2005)
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2: 0.24" (1983)
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3: 0.19" (2022)
Precipitation data from 1945 to 2022.