Records for Ontario Area, Oregon (ONOthr) on 03-21
Record Highs
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1: 73°F (1960)
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2: 71°F (2004)
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3: 71°F (1963)
Record Lows
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1: 17°F (1974)
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2: 17°F (1965)
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3: 22°F (1976)
Lowest Highs
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1: 43°F (2018)
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2: 41°F (2017)
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3: 41°F (1972)
Highest Lows
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1: 47°F (1975)
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2: 47°F (1952)
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3: 48°F (2011)
Highest March temperature:
85°F on 03-30-1966.
Lowest March temperature:
9°F on 03-11-1948.
Average temperature is 45.3°F
Average high is 57.5°F
Average low is 33.2°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 0.68" (1980)
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2: 0.38" (1958)
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3: 0.36" (1964)
Precipitation data from 1945 to 2022.