Records for Ontario Area, Oregon (ONOthr) on 09-15
Record Highs
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1: 95°F (2019)
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2: 95°F (1956)
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3: 93°F (1953)
Record Lows
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1: 29°F (1970)
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2: 32°F (1969)
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3: 33°F (1947)
Lowest Highs
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1: 59°F (2022)
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2: 59°F (2013)
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3: 59°F (2009)
Highest Lows
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1: 61°F (1982)
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2: 63°F (1959)
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3: 64°F (2015)
Highest September temperature:
104°F on 09-01-1967.
Lowest September temperature:
24°F on 09-19-1965.
Average temperature is 64.5°F
Average high is 81.4°F
Average low is 47.6°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 0.39" (1954)
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2: 0.20" (1985)
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3: 0.14" (2011)
Precipitation data from 1945 to 2022.