MOUNT SHASTA, CALIFORNIA

Monthly Average Maximum 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 79.26 79.19 73.50 63.19 49.63 35.58 63.39
1949 33.06 40.82 45.55 66.63 67.35 77.50 86.06 82.32 79.30 63.77 62.67 43.39 62.37
1950 34.84 48.64 49.97 59.93 69.58 73.97 87.81 88.71 76.50 62.52 54.67 49.77 63.08
1951 39.58 45.79 51.61 65.73 66.13 80.97 87.06 86.19 82.60 62.45 50.00 38.45 63.05
1952 36.16 46.10 46.42 63.53 68.68 69.53 86.58 85.06 82.40 74.45 51.17 38.55 62.39
1953 46.71 50.25 50.71 57.57 58.84 67.70 86.35 79.65 82.73 64.90 51.33 47.13 61.99
1954 39.81 52.00 49.71 61.50 72.42 70.70 84.61 76.42 73.70 64.81 54.97 41.10 61.81
1955 39.68 45.36 51.52 50.47 66.48 75.97 79.90 88.71 78.10 68.61 47.00 42.94 61.23
1956 40.13 41.14 53.00 60.60 67.03 73.53 85.10 81.52 77.30 59.87 56.73 48.26 62.02
1957 37.10 48.18 50.00 58.43 64.45 77.43 81.61 80.97 78.10 56.52 49.13 47.06 60.75
1958 42.77 46.61 45.90 56.53 71.90 72.83 84.68 87.94 74.90 71.68 53.17 53.71 63.55
1959 44.10 43.50 56.13 65.37 63.65 78.00 89.32 84.74 71.87 68.23 60.17 48.03 64.42
1960 39.00 46.17 54.77 57.53 62.42 81.70 89.84 84.71 82.50 65.97 47.23 46.55 63.20
1961 51.35 48.18 47.65 59.77 61.68 81.47 87.10 85.84 72.63 65.74 49.67 42.06 62.76
1962 42.58 44.11 48.29 65.87 62.16 76.77 85.55 81.87 81.03 63.84 53.47 49.29 62.90
1963 46.45 53.64 49.45 49.30 67.48 71.17 79.90 82.94 78.90 62.52 49.00 47.61 61.53
1964 40.16 49.14 50.16 59.00 63.77 70.47 83.68 83.10 75.87 70.16 47.00 42.13 61.22
1965 44.13 51.18 55.94 54.23 65.29 73.80 85.03 80.52 75.63 73.71 49.50 42.84 62.65
1966 40.77 42.75 53.87 64.93 73.29 75.10 82.26 86.61 77.97 68.10 48.77 44.39 63.23
1967 44.10 51.86 46.48 45.10 68.39 75.70 87.65 91.06 81.63 65.16 55.57 38.23 62.58
1968 42.42 51.24 54.55 60.10 66.90 77.53 87.87 76.61 78.07 64.55 48.33 38.55 62.23
1969 38.16 38.71 50.84 57.03 72.55 73.90 85.26 85.26 77.37 59.06 55.93 44.87 61.58
1970 42.84 52.36 52.55 54.70 70.90 77.70 87.87 86.10 74.93 63.81 49.57 37.00 62.53
1971 43.55 48.54 48.13 56.57 62.81 72.53 85.45 85.87 73.03 59.77 49.43 36.32 60.17
1972 40.10 47.79 56.68 54.73 70.19 78.37 86.03 84.26 73.27 62.00 46.87 36.81 61.42
1973 39.48 46.89 47.48 62.20 74.74 78.93 88.68 83.55 75.77 62.06 41.63 42.74 62.01
1974 40.13 45.71 49.32 56.03 69.00 79.67 82.13 83.26 84.13 66.39 52.43 42.65 62.57
1975 43.58 41.14 44.45 50.53 68.77 75.77 82.74 80.13 83.57 58.77 47.40 44.97 60.15
1976 45.61 46.41 51.74 54.63 71.26 73.20 84.68 74.77 77.47 69.06 58.07 50.58 63.12
1977 41.10 53.79 47.71 62.80 58.13 80.87 85.23 86.03 71.90 64.29 49.27 45.81 62.24
1978 45.03 47.54 57.03 53.50 65.29 75.53 83.97 82.06 69.37 71.42 49.00 41.13 61.74
1979 41.58 42.71 54.97 57.07 68.90 78.30 84.13 80.35 80.00 65.10 49.47 48.03 62.55
1980 45.77 49.83 49.32 60.50 66.13 68.23 83.26 82.52 77.23 68.39 54.40 49.29 62.91
1981 48.45 49.14 51.23 62.03 66.19 77.60 85.29 88.13 78.57 60.77 51.80 45.10 63.69
1982 38.84 46.43 48.13 55.50 69.71 73.80 80.74 83.61 70.33 61.81 47.57 40.90 59.78
1983 46.81 45.43 47.16 52.63 69.03 73.97 77.81 82.03 76.23 66.90 46.13 41.71 60.49
1984 49.10 48.86 55.71 55.80 69.65 74.00 87.55 84.81 76.92 e 55.77 44.00 40.94 61.92
1985 46.68 48.75 50.84 66.73 68.42 80.60 88.45 82.10 69.17 63.42 44.70 47.97 63.15
1986 50.03 49.96 59.61 61.30 69.74 81.00 82.00 87.39 67.33 65.77 53.63 46.87 64.55
1987 42.55 48.64 51.26 68.00 72.19 80.57 77.77 86.68 78.70 72.03 51.53 39.13 64.09
1988 41.55 57.00 59.94 61.87 66.26 74.83 88.77 85.77 79.07 73.55 46.80 45.26 65.06
1989 41.42 43.29 49.29 66.43 67.35 77.70 83.13 80.61 75.30 62.26 55.17 51.42 62.78
1990 43.94 45.14 56.90 67.10 63.42 76.00 85.71 79.97 77.03 66.35 52.63 40.45 62.89
1991 48.68 58.32 46.65 58.57 64.19 74.00 86.45 82.74 83.87 70.35 54.23 46.55 64.55
1992 46.55 49.90 56.81 63.87 78.45 78.30 82.61 86.29 77.37 67.48 52.47 38.48 64.88
1993 38.74 41.96 55.39 56.77 66.32 73.13 78.65 78.87 78.70 64.29 50.60 43.90 60.61
1994 47.58 44.04 58.48 61.27 68.97 75.87 88.42 84.26 78.67 62.90 40.10 41.10 62.64
1995 41.81 59.11 49.29 58.37 66.81 72.37 80.90 81.74 77.50 68.29 59.50 45.39 63.42
1996 44.06 48.14 57.03 59.70 65.77 77.50 86.13 85.55 74.00 62.29 51.67 42.65 62.87
1997 44.81 49.71 57.58 59.67 73.52 72.73 81.68 80.55 73.43 60.84 49.83 42.87 62.27
1998 41.61 38.61 51.06 56.97 55.94 72.60 84.68 86.97 77.53 60.03 45.10 40.61 59.31
1999 46.03 40.68 47.32 57.97 67.77 75.27 83.00 81.32 80.10 68.90 53.03 47.23 62.39
2000 43.26 45.24 53.06 63.60 65.68 80.17 81.35 83.35 74.00 62.45 47.57 48.16 62.32
2001 45.42 41.93 56.94 56.33 76.23 75.83 82.97 85.10 78.63 66.81 49.03 39.61 62.90
2002 40.68 50.71 52.61 62.53 67.74 79.13 87.74 84.26 78.87 65.35 55.80 42.19 63.97
2003 49.13 49.68 54.06 50.87 69.13 81.30 88.77 81.65 78.83 69.42 44.67 42.23 63.31
2004 42.23 44.21 61.52 62.10 66.94 77.17 85.61 83.87 75.63 59.74 49.87 45.26 62.84
2005 43.74 50.86 56.10 57.10 65.13 69.40 88.42 88.32 78.17 65.58 50.80 44.55 63.18
2006 41.71 51.32 40.55 56.23 71.39 80.03 88.29 85.94 81.23 66.97 48.87 43.74 63.02
2007 45.90 47.75 60.03 63.00 73.61 78.10 87.45 86.55 76.13 60.45 55.20 38.90 64.42
2008 37.84 48.31 53.77 59.73 70.29 79.57 85.68 87.13 84.23 67.74 56.17 42.29 64.40
2009 50.19 45.36 52.03 60.20 73.61 75.30 90.19 85.55 84.70 63.74 53.87 43.16 64.83
2010 45.10 48.57 53.10 53.17 60.77 75.16 k 91.08 s 81.58 s ----- z ----- z 46.92 q 41.90 50.43
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 66.64 c 53.43 39.67 a 53.25
2013 42.26 50.07 57.45 53.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 35.00 z 49.93
Period of Record Statistics
MEAN 42.99 47.54 52.11 59.00 67.69 75.95 84.89 83.71 77.31 65.08 50.93 43.53 62.60
S.D. 3.82 4.29 4.40 4.84 4.29 3.51 3.09 3.23 3.88 4.11 4.33 3.99 1.27
SKEW -0.06 0.26 -0.01 -0.33 -0.19 -0.31 -0.47 -0.39 -0.22 0.17 0.17 0.19 -0.39
MAX 51.35 59.11 61.52 68.00 78.45 81.70 90.19 91.06 84.70 74.45 62.67 53.71 65.06
MIN 33.06 38.61 40.55 45.10 55.94 67.70 77.77 74.77 67.33 55.77 40.10 35.58 59.31
NO YRS 63 63 63 62 62 61 62 62 62 63 63 64 61