Records for Mount Shasta Area, California (MHSthr) on 12-20
Record Highs
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1: 57°F (1959)
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2: 57°F (1956)
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3: 56°F (2020)
Record Lows
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1: 6°F (1998)
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2: 8°F (1978)
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3: 10°F (1967)
Lowest Highs
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1: 44°F (2005)
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2: 44°F (1955)
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3: 41°F (2014)
Highest Lows
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1: 19°F (1990)
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2: 24°F (1998)
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3: 28°F (1968)
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: 2.20" (1969)
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2: 1.81" (2002)
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3: 1.56" (2012)
Precipitation data from 1948 to 2022.