Records for Mount Shasta Area, California (MHSthr) on 12-21
Record Highs
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1: 57°F (1950)
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2: 55°F (2014)
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3: 55°F (1994)
Record Lows
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1: -5°F (1990)
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2: 0°F (1998)
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3: 6°F (1968)
Lowest Highs
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1: 46°F (1955)
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2: 45°F (2014)
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3: 44°F (2005)
Highest Lows
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1: 7°F (1990)
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2: 17°F (1998)
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3: 31°F (1948)
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: 4.01" (1955)
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2: 3.86" (1964)
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3: 2.00" (1982)
Precipitation data from 1948 to 2022.