EL CAJON YALE RANCH, CALIFORNIA

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(042705)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 195910
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
1899 ----- z 36.96 40.16 45.10 47.48 53.33 54.45 54.35 52.93 47.32 42.67 36.23 46.45
1900 41.39 37.86 44.65 42.50 50.32 54.27 58.06 56.19 48.33 46.32 44.03 35.52 46.62
1901 38.35 47.00 q ----- z ----- z 52.11 m ----- z ----- z 59.15 k 51.77 48.81 43.30 36.39 43.72
1902 37.48 38.07 38.97 a 43.47 48.26 52.07 55.06 57.42 54.50 49.23 40.87 37.97 46.11
1903 38.13 36.00 42.77 46.47 51.58 54.10 55.45 58.00 57.43 46.81 42.20 33.68 46.88
1904 33.61 39.62 43.06 ----- z 51.94 66.50 57.52 74.00 68.30 62.55 60.87 38.77 54.25
1905 41.68 47.71 49.10 48.03 50.23 52.93 56.74 58.94 54.00 46.71 41.83 35.90 48.65
1906 39.26 45.79 ----- z 46.13 50.52 52.43 60.84 59.16 54.47 49.35 41.17 41.65 49.16
1907 39.84 44.79 43.35 47.67 50.06 52.47 58.06 57.61 51.63 53.35 40.70 38.97 48.21
1908 41.13 40.72 41.74 46.90 45.52 50.10 57.06 61.29 55.43 44.00 43.37 37.10 47.03
1909 41.35 41.11 41.90 44.57 50.45 54.47 54.90 59.06 54.07 47.13 40.10 40.32 47.45
1910 36.29 36.00 44.58 45.80 51.32 53.10 58.55 57.29 56.03 49.68 44.20 37.23 47.51
1911 30.00 z ----- z ----- z 44.10 47.76 j 52.25 f 57.39 h 55.15 e 53.71 m 44.43 c 41.03 a 35.74 d 44.09
1912 41.35 h 35.76 h 43.57 a 44.72 e 50.17 g 54.59 a 58.42 56.52 52.29 b 47.97 42.18 h 32.83 g 51.15
1913 33.03 40.21 38.68 43.60 49.19 53.83 57.94 58.29 56.97 48.94 46.90 39.58 47.26
1914 41.26 42.11 45.87 47.83 51.39 53.33 57.29 57.13 54.73 50.94 47.20 40.32 49.12
1915 39.45 42.57 43.87 49.17 50.35 54.70 59.13 57.90 52.17 46.16 40.43 38.42 47.86
1916 41.45 44.31 47.35 46.27 48.39 52.10 57.52 57.61 55.10 47.16 36.83 34.77 47.41
1917 38.10 39.54 37.90 44.00 49.68 53.17 60.71 59.65 54.60 51.55 41.83 35.74 47.20
1918 36.32 40.89 44.58 46.97 51.06 58.87 58.42 61.74 59.33 55.00 42.90 36.71 49.40
1919 34.23 39.18 40.65 46.67 53.87 52.80 59.39 59.13 55.87 45.32 40.77 38.10 47.16
1920 39.45 43.69 42.71 43.83 50.84 53.97 56.97 59.87 a 54.03 45.55 40.17 36.42 47.29
1921 36.84 37.29 44.00 41.13 49.32 53.97 59.84 58.90 53.93 52.35 41.80 44.61 47.83
1922 35.84 40.00 40.19 43.00 49.10 54.70 57.97 60.19 57.77 48.06 36.70 42.52 47.17
1923 37.90 38.43 37.90 47.60 51.23 52.67 55.87 57.10 55.97 46.48 42.30 38.94 46.87
1924 33.26 37.72 41.39 46.33 51.84 53.67 56.77 56.68 53.20 44.58 38.97 36.94 45.95
1925 33.13 41.11 41.39 45.77 52.23 55.17 60.71 57.26 52.10 50.32 41.97 40.13 47.61
1926 35.65 42.36 47.35 54.17 53.16 57.57 57.77 59.26 52.60 47.77 42.73 38.77 49.10
1927 37.71 44.21 42.16 45.80 49.45 54.57 58.06 58.23 55.57 48.26 44.73 38.10 48.07
1928 35.68 37.14 43.74 40.07 53.65 55.13 57.71 56.29 52.77 47.65 40.57 35.90 46.36
1929 35.68 35.68 40.45 45.20 49.84 52.50 60.08 g 61.71 56.70 52.42 35.53 37.10 45.71
1930 40.55 41.07 45.32 48.70 48.48 53.23 57.68 59.71 54.90 48.52 42.67 31.94 47.73
1931 36.29 42.68 39.84 49.47 54.35 56.60 61.84 63.13 57.47 49.26 41.23 37.13 49.11
1932 36.58 42.14 41.77 41.67 49.52 50.97 55.65 55.68 52.83 44.48 40.10 36.39 45.65
1933 33.45 33.86 38.00 43.77 44.13 51.20 60.39 59.87 52.63 49.87 37.30 36.74 45.10
1934 34.68 43.43 44.16 48.07 50.03 54.57 58.68 58.94 55.83 49.65 42.47 41.77 48.52
1935 39.65 40.86 40.77 48.20 50.35 54.43 56.94 62.42 57.23 48.23 37.67 37.35 47.84
1936 37.48 42.79 44.45 47.37 50.52 54.13 61.13 60.55 55.53 50.71 41.70 39.19 48.80
1937 34.32 39.25 41.32 44.33 51.77 53.67 59.06 59.23 58.03 48.97 42.80 40.39 47.76
1938 38.16 42.04 44.55 46.57 50.16 55.87 58.03 59.84 56.00 49.00 35.87 42.39 48.21
1939 39.00 36.61 42.65 48.63 50.39 52.90 58.55 60.45 61.47 48.32 42.87 39.77 48.47
1940 42.87 42.62 44.03 49.83 52.90 56.87 56.32 58.19 54.60 50.26 40.83 43.06 49.37
1941 41.26 44.32 46.42 46.83 a 53.03 53.80 57.03 59.23 51.80 50.10 41.70 38.26 48.65
1942 37.06 34.39 36.39 45.93 48.23 a 53.77 57.10 57.58 53.37 48.87 39.03 36.58 45.69
1943 38.00 39.89 45.61 47.63 50.94 52.00 57.13 60.06 54.83 50.20 a 39.23 39.26 47.90
1944 35.71 37.21 38.13 41.97 50.68 51.87 54.74 54.55 55.20 48.32 43.93 36.65 45.75
1945 34.13 38.07 38.03 40.47 47.52 54.50 58.20 a 61.06 58.23 53.68 38.57 38.32 46.73
1946 34.84 32.50 39.29 47.43 51.81 49.30 57.81 58.45 54.33 44.74 39.37 38.06 45.66
1947 31.39 38.68 42.16 46.40 51.48 54.47 53.32 57.39 57.97 49.23 38.07 35.45 46.33
1948 ----- z ----- z ----- z ----- z ----- z ----- z 53.00 a 53.35 52.70 50.06 36.21 f 33.03 48.43
1949 31.16 34.79 38.10 45.93 48.60 a 54.43 56.65 55.23 55.97 46.22 d 42.57 33.10 45.23
1950 32.42 37.25 39.29 45.23 46.26 49.90 57.19 52.94 52.57 46.52 40.70 39.29 44.96
1951 37.42 34.89 39.74 49.07 49.06 55.00 57.35 56.10 56.03 47.61 42.33 38.42 46.92
1952 35.68 36.55 40.35 45.57 49.52 51.73 56.58 58.00 56.07 49.87 40.47 36.48 46.41
1953 38.16 32.89 38.55 44.70 45.06 50.90 59.26 57.23 55.60 49.61 45.13 36.16 46.10
1954 38.35 43.43 42.68 48.73 53.14 x 53.59 a 60.33 a 57.50 a 52.93 46.45 41.67 34.16 47.26
1955 35.45 33.82 39.23 39.57 48.87 52.33 56.29 59.39 56.83 49.26 41.27 42.23 46.21
1956 39.30 k 34.21 36.55 46.33 51.32 53.93 b 57.58 55.16 55.17 49.23 36.53 33.65 46.33
1957 41.65 45.25 42.52 46.60 51.32 57.00 57.10 59.65 55.38 a 50.06 39.37 37.77 48.64
1958 34.87 43.86 42.35 45.97 51.55 54.50 56.58 62.00 55.27 52.48 39.90 35.94 47.94
1959 37.97 38.82 42.42 51.13 51.97 55.17 61.32 62.10 59.23 48.91 h ----- z ----- z 51.13
Period of Record Statistics
MEAN 37.18 39.64 41.91 45.95 50.22 53.89 57.69 58.61 55.18 48.87 41.45 37.75 47.32
S.D. 2.88 3.62 2.88 2.72 2.08 2.47 1.89 3.01 2.85 2.97 3.58 2.62 1.18
SKEW -0.04 -0.03 0.16 -0.04 -0.68 2.24 -0.03 2.07 1.58 1.65 2.65 0.29 -0.11
MAX 42.87 47.71 49.10 54.17 54.35 66.50 61.84 74.00 68.30 62.55 60.87 44.61 49.40
MIN 31.16 32.50 36.39 39.57 44.13 49.30 53.00 52.94 48.33 44.00 35.53 31.94 44.96
NO YRS 56 57 57 58 56 58 58 60 60 60 58 59 50