MOUNT SHASTA, CALIFORNIA

Monthly Average Temperature (Degrees Fahrenheit)

(045983)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201012
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1948 ----- z ----- z ----- z ----- z ----- z ----- z 64.18 63.08 58.35 50.76 39.22 28.00 50.60
1949 23.76 31.41 38.00 51.33 54.87 61.73 67.79 64.50 61.90 49.29 48.82 33.81 48.93
1950 27.18 38.12 39.37 46.67 55.16 59.52 70.47 69.27 60.98 50.52 44.62 40.92 50.23
1951 32.10 36.96 39.63 51.00 53.18 64.25 68.11 67.92 64.67 49.60 40.52 31.24 49.93
1952 29.81 36.09 37.37 49.28 54.58 56.30 70.29 66.92 64.98 57.81 39.05 32.16 49.55
1953 38.74 39.16 40.10 45.23 46.98 55.15 68.69 64.10 65.10 51.00 43.15 38.39 49.65
1954 33.66 41.04 39.05 49.35 56.48 56.95 67.10 61.37 57.05 50.05 43.82 33.48 49.12
1955 30.94 34.96 39.47 39.58 53.21 60.53 63.02 68.42 60.98 53.10 38.23 35.94 48.20
1956 34.55 32.48 40.56 47.87 53.73 59.23 68.47 64.26 60.10 47.15 43.02 36.27 48.97
1957 27.31 39.14 41.16 46.68 52.39 62.68 64.97 62.87 61.58 46.29 38.37 37.19 48.39
1958 35.48 40.23 36.31 45.13 56.95 59.88 68.58 70.74 60.22 56.16 42.43 43.10 51.27
1959 36.92 35.95 43.63 50.68 50.50 62.78 70.79 67.44 58.03 54.06 44.95 36.89 51.05
1960 33.08 36.71 43.71 44.85 49.76 66.17 72.23 66.95 64.37 52.39 39.33 37.48 50.59
1961 39.52 39.84 38.85 47.12 50.03 65.73 69.13 68.60 57.73 52.39 39.65 34.16 50.23
1962 32.56 36.21 38.47 50.98 50.55 61.10 67.81 65.44 63.10 51.26 43.12 39.53 50.01
1963 35.16 44.32 39.52 40.07 55.69 58.07 63.52 65.65 63.15 50.90 40.38 38.42 49.57
1964 32.79 37.33 38.73 45.28 50.44 57.58 66.60 65.34 58.63 55.13 37.92 35.90 48.47
1965 36.19 39.48 43.26 45.35 51.69 59.20 66.82 64.95 57.90 56.71 41.67 33.60 49.74
1966 32.85 34.46 42.26 50.58 57.50 61.00 64.89 68.79 61.50 52.45 41.38 37.00 50.39
1967 35.87 39.96 37.65 36.67 54.03 61.32 69.58 71.48 64.57 50.89 45.33 30.23 49.80
1968 33.03 41.95 43.15 46.57 52.56 62.17 69.55 61.65 60.72 50.15 40.25 31.31 49.42
1969 30.74 32.52 39.74 45.02 58.16 61.82 68.42 67.74 62.00 46.84 43.30 37.97 49.52
1970 37.05 41.20 41.81 42.55 55.56 63.37 69.74 67.31 58.48 50.06 42.22 30.48 49.99
1971 35.40 38.38 37.87 44.03 51.40 59.03 69.15 69.16 57.65 47.58 39.90 29.32 48.24
1972 31.53 38.83 45.45 43.87 55.40 63.12 68.98 67.82 57.35 50.00 38.95 29.45 49.23
1973 31.87 38.95 37.97 48.48 58.53 63.45 71.08 66.13 59.85 49.65 37.43 36.66 50.00
1974 32.19 35.86 40.24 44.18 54.48 63.87 66.13 66.65 65.18 51.87 41.63 34.89 49.76
1975 34.24 34.29 37.02 39.77 54.84 61.03 66.90 63.97 64.95 47.97 37.68 36.79 48.29
1976 35.61 36.74 39.52 43.45 56.00 58.62 68.42 61.27 61.90 52.55 44.77 37.37 49.68
1977 30.76 41.04 37.89 48.52 46.68 66.00 67.45 67.94 57.28 49.89 39.37 36.58 49.11
1978 37.94 38.71 44.90 43.02 50.69 59.05 66.77 65.32 54.90 53.63 36.82 30.32 48.51
1979 30.94 34.68 42.42 43.95 54.08 60.62 67.29 63.55 62.47 51.95 38.17 38.13 49.02
1980 36.27 41.00 39.00 47.28 52.44 55.12 67.31 64.92 59.82 52.89 42.18 38.90 49.76
1981 39.39 39.39 40.66 48.58 53.31 62.47 67.03 68.97 61.97 48.03 42.75 37.85 50.87
1982 31.11 37.45 38.15 42.50 54.48 60.10 63.90 66.15 56.42 49.15 37.72 33.52 47.55
1983 38.39 38.95 40.16 41.98 54.76 59.15 61.73 65.73 60.67 52.92 39.22 35.69 49.11
1984 38.06 39.07 43.87 44.48 54.79 59.55 70.27 66.95 61.00 e 45.55 35.90 31.27 49.23
1985 34.68 37.46 39.40 51.63 52.92 64.80 70.32 63.87 55.22 48.55 33.73 35.81 49.03
1986 40.48 40.80 46.32 46.62 54.50 65.75 64.35 67.77 53.67 50.79 40.93 36.10 50.67
1987 33.73 37.82 40.98 51.40 56.97 63.87 62.40 66.63 60.15 55.02 40.75 32.44 50.18
1988 32.71 40.97 43.37 48.53 51.06 60.23 70.44 66.92 60.45 56.63 38.98 34.94 50.44
1989 31.05 33.02 40.40 51.25 52.92 61.90 64.40 62.94 58.65 48.71 41.57 37.58 48.70
1990 34.84 33.66 43.81 52.37 50.65 59.50 68.11 64.60 60.28 51.06 39.73 28.58 48.93
1991 35.87 44.05 37.60 45.33 50.60 57.78 69.21 65.11 64.55 54.47 43.10 36.63 50.36
1992 36.06 40.38 44.50 50.90 61.24 63.65 65.77 67.27 60.45 52.90 40.98 31.82 51.33
1993 30.84 34.27 44.95 45.15 54.16 58.72 63.06 62.84 59.95 51.42 38.23 34.47 48.17
1994 37.61 35.39 44.29 48.30 55.35 59.53 70.16 65.24 61.52 49.08 32.82 33.52 49.40
1995 37.48 44.59 39.69 45.37 53.52 58.57 65.29 63.66 60.70 52.31 46.88 37.98 50.50
1996 36.27 39.90 43.58 46.72 52.06 61.12 69.00 67.10 57.40 49.31 41.62 36.24 50.03
1997 35.84 38.43 44.16 46.77 57.92 58.98 65.42 64.52 58.67 48.68 42.13 34.11 49.64
1998 37.08 34.57 41.13 44.58 46.97 58.67 67.89 67.61 62.12 47.97 38.17 31.50 48.19
1999 36.90 33.64 37.60 45.42 52.56 59.90 64.40 64.79 61.65 52.92 43.85 36.29 49.16
2000 36.16 38.47 41.58 49.93 53.53 63.72 64.56 66.06 59.00 49.65 37.07 37.42 49.76
2001 35.19 33.96 44.71 44.22 59.60 60.68 66.47 67.84 61.75 53.29 40.75 34.23 50.22
2002 32.52 39.54 40.37 48.83 53.45 62.65 69.39 66.18 61.13 50.15 42.65 35.61 50.21
2003 40.77 38.07 43.61 41.57 54.29 65.15 70.84 65.87 62.22 54.79 37.22 35.92 50.86
2004 34.29 36.81 47.68 48.67 53.45 62.28 68.69 66.40 59.18 47.81 39.87 36.44 50.13
2005 35.55 39.89 43.63 45.20 53.50 56.52 70.47 68.97 59.28 50.74 39.58 36.15 49.96
2006 34.66 38.23 33.76 45.27 55.97 65.03 70.68 66.48 61.93 50.18 40.18 34.74 49.76
2007 33.29 38.02 45.75 a 48.25 56.76 61.88 69.94 67.31 58.92 47.94 42.70 31.48 50.19
2008 30.79 37.12 40.44 44.53 55.50 62.13 69.73 68.82 63.87 52.73 44.30 32.00 50.16
2009 37.92 36.71 40.40 45.77 57.71 61.08 70.73 67.18 65.77 51.18 41.93 33.81 50.85
2010 38.76 39.57 42.06 42.55 48.55 61.50 k 71.21 s 65.08 s ----- z ----- z 38.35 q 36.56 41.34
2011 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2012 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 53.00 c 43.83 33.68 a 43.51
2013 33.05 39.36 45.44 47.50 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 23.50 z 39.28
Period of Record Statistics
MEAN 34.40 37.90 41.08 46.24 53.74 61.01 67.66 66.15 60.58 51.11 40.74 34.94 49.64
S.D. 3.31 2.89 2.88 3.37 2.98 2.69 2.52 2.20 2.71 2.66 2.94 3.07 0.85
SKEW -0.54 -0.04 0.09 -0.29 -0.18 -0.03 -0.50 -0.14 -0.14 0.33 -0.03 -0.18 -0.42
MAX 40.77 44.59 47.68 52.37 61.24 66.17 72.23 71.48 65.77 57.81 48.82 43.10 51.33
MIN 23.76 31.41 33.76 36.67 46.68 55.12 61.73 61.27 53.67 45.55 32.82 28.00 47.55
NO YRS 63 63 63 62 62 61 62 62 62 63 63 64 61