Records for Mount Shasta Area, California (MHSthr) on 12-18
Record Highs
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1: 65°F (1958)
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2: 63°F (1966)
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3: 60°F (1959)
Record Lows
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1: 10°F (1993)
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2: 11°F (2008)
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3: 12°F (1948)
Lowest Highs
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1: 41°F (1960)
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2: 40°F (1969)
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3: 39°F (2018)
Highest Lows
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1: 26°F (1948)
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2: 30°F (2008)
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3: 34°F (2002)
Highest December temperature:
72°F on 12-11-1958.
Lowest December temperature:
-13°F on 12-22-1990.
Average temperature is 34.3°F
Average high is 42.1°F
Average low is 26.5°F
Temperature data from 1948 to 2022.
Record Precipitation
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1: 2.84" (1955)
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2: 2.29" (1981)
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3: 1.59" (2007)
Precipitation data from 1948 to 2022.