ALTURAS RANGER STATION, CALIFORNIA

Monthly Average Temperature (Degrees Fahrenheit)

(040161)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1905 ----- z ----- z ----- z ----- z 50.34 b 59.10 69.90 66.76 57.35 45.08 36.37 26.35 51.41
1906 29.84 37.23 ----- z 47.02 50.00 56.53 70.79 67.15 57.55 48.47 36.28 33.65 48.59
1907 25.47 42.73 35.56 48.55 52.55 55.83 64.85 62.31 56.53 53.98 38.58 35.48 47.70
1908 34.69 35.86 37.44 47.43 47.16 56.08 69.92 65.18 57.95 45.89 40.30 27.31 47.10
1909 31.81 34.11 38.16 44.30 49.58 60.08 62.84 64.63 57.50 49.11 40.00 28.31 46.70
1910 22.02 28.96 44.94 48.88 55.35 59.63 69.13 63.05 55.78 49.39 39.25 35.13 47.63
1911 26.68 22.95 40.44 43.78 48.31 60.00 68.00 62.97 51.85 46.92 37.42 25.87 44.60
1912 32.03 36.59 35.45 41.00 51.11 59.25 64.79 63.44 55.68 43.94 41.12 30.27 46.22
1913 21.60 22.45 35.34 45.37 54.02 58.50 65.65 67.47 59.87 48.90 39.95 30.81 45.83
1914 34.13 36.54 44.18 47.87 56.34 59.92 68.18 67.71 56.65 49.39 40.18 25.23 48.86
1915 31.61 36.12 42.27 49.03 50.05 59.65 66.50 69.22 a 57.07 49.69 36.23 33.76 48.43
1916 22.45 39.14 42.60 47.15 48.10 58.38 63.58 63.58 58.37 46.29 34.77 25.08 45.79
1917 11.03 24.62 23.90 41.87 49.35 59.30 71.31 69.10 59.10 51.77 42.58 37.05 45.08
1918 33.73 33.52 40.02 44.18 51.16 66.27 65.69 62.85 60.38 50.45 36.67 26.50 47.62
1919 29.77 30.66 35.92 48.47 56.34 59.12 69.03 65.94 56.63 42.94 37.72 ----- z 48.41
1920 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1921 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1922 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1923 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1924 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1925 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1926 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1927 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1928 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1929 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1930 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1931 ----- z ----- z ----- z ----- z 56.21 j 58.80 b 68.72 a 65.06 51.40 a 43.12 a 28.10 29.33 b 49.22
1932 21.52 20.67 35.60 a 39.98 47.82 a 59.17 64.65 64.06 59.74 a 46.69 41.47 a 22.42 43.65
1933 21.82 17.74 a 37.56 44.12 46.26 60.97 69.50 66.48 54.25 51.89 41.07 35.70 a 45.61
1934 37.08 a 40.54 b 49.80 a 52.41 c 57.03 a 59.38 68.85 68.71 59.05 46.35 35.38 33.02 50.63
1935 27.81 36.23 34.44 45.42 52.32 a 61.63 64.47 64.67 e 58.79 i 45.27 e 33.98 c 32.40 b 45.33
1936 30.65 a 33.82 a 40.18 c 47.50 e 54.31 e 61.09 b 68.75 a 65.35 d 56.93 c 48.90 e 37.69 a 29.74 b 47.91
1937 10.39 m 26.00 b 40.20 p 42.62 54.79 60.45 68.69 63.92 59.70 48.45 40.97 37.02 50.26
1938 36.79 30.77 34.23 45.97 52.50 61.82 66.50 61.84 57.70 46.00 33.02 33.31 46.70
1939 31.18 25.23 40.11 49.02 54.02 57.48 66.23 65.15 56.68 46.34 39.43 37.03 47.32
1940 35.69 38.07 42.45 46.52 57.16 64.02 63.70 a 65.65 56.22 49.87 37.63 33.61 c 49.22
1941 33.35 36.36 43.50 45.27 52.89 56.32 e 65.84 62.40 52.65 45.50 42.07 34.85 47.58
1942 27.63 a 33.09 36.56 43.23 48.52 57.15 65.79 63.92 60.18 49.58 36.35 33.24 46.27
1943 28.55 33.26 c 38.81 47.67 48.63 52.59 a 64.65 58.90 60.32 46.50 39.32 33.19 46.03
1944 25.05 34.95 35.52 41.60 50.52 52.90 63.68 60.15 56.42 49.94 35.95 34.11 45.06
1945 32.68 34.59 35.45 42.98 51.85 57.57 67.05 63.35 54.50 52.11 37.00 31.11 46.69
1946 28.97 31.48 39.11 47.87 52.89 57.20 65.82 65.94 55.12 42.82 36.65 32.23 46.34
1947 25.71 39.21 42.38 a 46.97 57.11 56.52 62.85 62.02 57.23 49.37 34.93 32.27 47.22
1948 33.61 30.45 a 34.19 40.58 48.85 58.38 61.85 61.10 55.17 47.71 34.38 20.13 43.87
1949 8.58 23.38 38.05 a 47.48 b 53.65 58.77 64.84 62.39 59.12 45.03 45.50 b 27.98 44.56
1950 23.90 b 34.84 36.13 44.67 51.35 58.43 68.03 66.05 a 59.15 c 50.71 42.45 38.98 47.89
1951 30.50 33.52 36.15 48.97 51.50 61.18 65.44 65.63 60.27 45.56 d 38.90 f 27.30 a 47.82
1952 23.81 28.94 c 32.15 47.17 d 54.07 b 56.56 d 68.45 64.72 a 60.29 a 53.70 f 34.93 33.31 e 45.85
1953 35.70 i 36.19 g 37.23 e 42.60 f 46.14 c 53.55 b 65.70 f 63.33 j 62.17 c 48.34 c 41.82 32.10 j 48.21
1954 31.14 b 39.31 b 37.81 b 48.11 c 55.68 a 57.10 65.84 60.40 55.54 b 48.39 43.83 30.13 47.77
1955 21.40 b 28.61 36.68 38.65 j 51.27 60.75 62.52 66.44 58.92 50.02 i 35.31 d 34.62 a 45.65
1956 32.00 25.76 41.18 i 46.75 53.52 59.22 68.19 62.42 57.92 47.81 38.33 31.87 a 47.62
1957 22.59 d 34.73 41.56 44.30 51.87 62.27 64.92 61.85 61.03 45.76 35.67 35.03 46.80
1958 34.69 40.30 35.58 43.95 57.08 59.62 68.03 68.89 59.07 51.87 41.03 38.90 49.92
1959 35.60 31.91 41.21 48.52 49.58 62.52 68.61 63.97 54.67 49.47 38.80 28.85 47.81
1960 26.73 33.03 42.18 a 44.30 49.08 64.12 69.79 62.74 60.12 49.39 37.03 35.60 47.84
1961 36.10 38.73 38.52 45.68 50.57 a 65.23 67.10 67.69 55.20 49.03 37.00 31.32 48.51
1962 23.65 31.91 36.26 48.92 50.13 59.95 65.55 63.63 60.10 49.13 41.88 37.74 47.40
1963 29.50 44.73 38.45 39.07 55.48 58.25 61.58 62.56 60.13 49.79 39.93 33.66 47.76
1964 28.97 29.93 35.74 43.17 48.73 55.48 65.84 62.90 55.33 51.13 35.63 33.21 45.51
1965 30.85 35.84 38.95 45.77 49.98 57.38 62.62 f 63.16 54.80 50.91 b 40.14 e 29.75 c 45.23
1966 29.55 30.41 39.77 47.28 57.32 58.75 63.19 b 67.55 59.06 d 48.29 c 39.19 i 36.27 g 50.12
1967 30.62 c 36.30 37.15 36.54 b 52.37 59.65 68.58 70.10 61.85 47.84 42.07 21.56 47.05
1968 25.60 39.12 41.69 43.97 51.77 61.00 69.48 61.21 58.25 49.18 37.42 28.56 47.27
1969 29.03 30.38 37.63 44.53 56.45 61.43 66.55 63.87 59.05 42.58 39.10 33.24 46.99
1970 32.00 37.82 37.79 37.50 52.79 60.83 66.26 64.16 54.13 44.87 39.82 26.76 46.23
1971 30.18 34.25 33.60 42.30 48.10 54.57 66.10 67.87 52.90 42.27 34.97 26.58 44.47
1972 25.26 33.10 41.42 41.18 51.74 60.20 65.95 64.87 53.65 49.33 j 34.63 d 21.92 44.90
1973 26.47 34.23 34.69 42.18 53.85 58.43 66.94 63.00 a 55.38 44.90 b 36.23 34.68 q 46.94
1974 25.53 a 29.98 36.92 39.82 48.58 60.70 63.03 63.48 58.82 ----- z 39.06 c 33.42 k 46.59
1975 26.90 b 29.55 34.39 34.38 48.48 56.77 65.44 60.53 59.18 44.94 33.37 c 33.11 43.92
1976 32.10 33.38 33.24 41.28 52.29 55.02 65.33 d 58.66 58.12 46.56 o 40.50 28.94 45.35
1977 14.61 31.66 32.84 45.60 43.34 63.28 64.79 66.29 55.43 48.76 35.95 33.27 44.65
1978 35.68 34.89 42.79 41.57 47.26 56.92 63.98 63.55 53.28 50.50 32.13 23.33 a 45.49
1979 24.65 31.32 39.24 42.18 50.97 58.20 c 64.89 61.74 59.03 49.17 g 33.80 33.91 d 45.45
1980 33.80 c 38.41 a 37.35 n 44.42 49.82 53.57 65.24 61.81 56.73 48.81 38.48 33.31 47.67
1981 35.53 33.13 a 37.79 44.40 50.60 e 60.16 b 65.39 66.19 58.57 45.13 40.47 35.62 a 47.75
1982 24.82 30.39 35.61 38.10 50.32 a 57.72 63.00 64.61 54.25 44.94 32.97 29.79 43.88
1983 33.76 37.55 38.87 39.08 49.71 55.97 60.35 65.68 56.85 48.77 36.65 31.24 46.21
1984 31.65 33.62 40.03 40.72 50.73 55.02 68.31 64.74 56.23 41.76 34.43 27.37 45.38
1985 28.15 28.62 33.37 46.57 50.15 62.72 68.92 61.68 52.28 44.27 26.87 28.16 44.31
1986 38.84 38.32 43.11 43.78 50.52 63.45 b 63.31 67.45 51.62 47.16 37.93 31.94 48.12
1987 28.68 34.79 38.39 47.68 55.32 a 62.03 62.11 65.02 58.72 52.65 38.97 27.03 47.61
1988 25.34 34.60 38.31 46.12 49.11 59.60 69.84 66.48 56.95 52.23 36.30 27.81 46.89
1989 19.60 21.59 39.73 46.80 49.45 60.52 63.74 62.03 56.48 45.08 36.63 30.92 44.38
1990 31.29 28.04 39.77 48.98 49.23 57.12 67.89 65.26 58.73 47.10 34.65 19.66 45.64
1991 28.03 39.98 34.65 41.42 46.47 55.00 64.40 65.56 60.33 49.60 39.57 30.53 46.30
1992 32.84 38.12 41.40 47.77 57.55 63.30 64.95 65.68 57.53 48.21 37.02 22.85 48.10
1993 22.06 28.59 42.98 42.58 52.61 55.03 58.52 62.61 57.42 48.66 31.73 29.06 44.32
1994 33.19 30.48 41.55 45.53 54.31 59.10 69.68 64.29 58.98 44.79 27.62 27.10 46.38
1995 34.42 39.57 38.63 41.58 50.92 56.53 65.10 63.37 59.65 46.87 42.85 35.94 47.95
1996 32.98 36.64 40.03 a 45.63 51.40 61.12 69.94 65.50 55.82 47.37 39.58 34.40 48.37
1997 31.55 34.30 41.74 43.75 55.85 58.77 65.16 63.92 57.72 45.68 40.13 28.06 47.22
1998 35.76 34.07 39.10 42.78 47.24 57.33 68.24 66.77 60.83 45.44 35.88 26.74 46.68
1999 31.23 32.21 36.48 b 42.76 a 50.02 57.65 63.97 63.42 58.38 49.15 a 42.59 a 30.15 46.50
2000 33.08 37.47 39.22 a 47.69 c 52.69 d 62.45 64.50 64.22 d 56.12 45.84 c 32.70 32.79 b 47.40
2001 30.24 b 31.52 41.48 41.48 c 56.61 60.00 66.08 66.26 58.68 49.77 37.67 a 32.97 47.73
2002 30.05 36.79 37.00 46.92 52.31 61.78 70.66 64.08 58.47 44.84 38.58 34.73 48.02
2003 40.73 32.70 41.45 40.45 53.17 d 63.00 70.29 65.17 b 59.65 52.27 c 34.24 e ----- z 50.28
2004 32.66 33.55 43.87 46.00 52.31 60.95 68.13 65.89 55.44 c 45.81 35.17 30.27 g 49.07
2005 30.94 e 35.64 39.82 42.75 d 51.24 55.52 70.39 i 65.71 53.46 d 45.75 k 35.68 h 30.98 45.12
2006 31.88 f 32.63 e 33.82 44.47 53.79 62.70 69.81 62.44 57.00 v ----- z 40.58 q 29.12 e 48.60
2007 25.44 e 34.68 f 40.36 b 45.38 f 52.02 i 56.48 g 66.61 h 63.08 m 54.55 k 41.37 d 35.17 g 27.70 h 35.72
2008 22.46 f 25.10 h ----- z 39.96 d 52.43 i 59.20 h 67.98 h 67.50 z 60.74 i 49.42 g 60.50 z 26.81 j 39.96
2009 31.00 k 33.61 j 37.90 j 42.85 g 52.88 n 60.48 f 67.02 h 65.39 l 60.60 i 44.86 j 39.45 k 20.60 u 9999.00
2010 36.21 q 35.85 h 35.91 h 39.68 h 45.05 k 57.30 h 68.57 j 65.09 i 57.36 i 49.00 k 35.30 j 34.76 j 9999.00
2011 30.40 k 30.88 h 37.17 h 39.67 i 47.52 i 56.50 h 65.20 p 66.30 h 62.34 h 46.48 j 37.83 i 29.43 j 9999.00
2012 32.67 k 34.00 i 36.89 i 45.55 i 52.77 i 57.38 i 67.67 j 67.76 h 61.76 k 49.53 a 40.40 29.65 a 39.86
2013 21.43 b 32.59 39.37 42.50 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 8.00 z 31.13
Period of Record Statistics
MEAN 28.99 33.17 38.39 44.45 51.62 59.07 66.26 64.42 57.30 47.63 37.51 30.74 46.69
S.D. 5.67 5.02 3.59 3.32 3.03 2.81 2.61 2.31 2.46 2.76 3.47 4.28 1.51
SKEW -0.96 -0.64 -0.35 -0.45 0.09 -0.01 -0.24 0.03 -0.43 -0.12 -0.54 -0.47 -0.10
MAX 40.73 44.73 49.80 52.41 57.55 66.27 71.31 70.10 62.17 53.98 45.50 38.98 50.63
MIN 8.58 17.74 23.90 34.38 43.34 52.59 58.52 58.66 51.40 41.37 26.87 19.66 43.65
NO YRS 88 89 87 88 90 91 88 90 89 85 88 85 68