ROCK SPRINGS, WYOMING

Monthly Average Maximum Temperature (Degrees Fahrenheit)

(487840)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 197905
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
1898 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 39.74 g 29.74 29.74
1899 33.29 j ----- z 40.77 58.80 64.29 75.70 85.74 81.48 79.80 57.35 48.93 32.40 k 65.88
1900 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1901 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 75.52 g 63.71 53.23 37.13 51.36
1902 39.26 49.07 ----- z ----- z 74.55 84.57 82.35 87.74 77.53 70.00 58.10 ----- z 69.24
1903 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1904 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1905 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1906 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1907 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1908 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1909 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1910 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1911 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1912 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1913 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1914 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1915 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1916 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1917 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1918 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1919 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
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 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1932 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1933 32.50 a 27.89 44.87 50.00 59.77 82.77 87.87 81.55 75.10 66.55 50.57 42.94 58.53
1934 37.06 43.61 53.32 61.90 75.32 76.53 87.16 84.97 70.90 63.84 45.77 31.90 61.02
1935 36.77 40.57 42.16 52.07 58.48 77.47 87.58 84.81 74.97 60.03 40.87 36.10 57.66
1936 30.81 33.03 41.03 55.17 72.19 81.03 85.90 83.61 71.67 57.26 46.10 34.48 57.69
1937 17.97 30.93 40.87 50.60 69.39 73.30 83.74 84.65 75.93 62.13 43.93 33.61 55.59
1938 32.94 35.25 39.58 54.83 62.23 78.23 82.35 82.35 74.37 60.26 36.37 35.65 56.20
1939 33.10 27.25 46.55 59.40 69.77 74.13 86.84 84.03 73.67 60.61 54.13 43.87 59.45
1940 28.58 34.07 47.81 55.60 72.32 82.63 88.97 86.03 73.20 61.65 38.20 36.29 58.78
1941 29.58 40.36 43.13 50.53 67.58 73.90 84.13 80.45 66.07 ----- z 45.90 34.19 55.98
1942 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1943 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1944 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1945 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1946 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1947 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1948 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 85.94 79.50 63.23 36.93 28.48 58.82
1949 18.13 31.46 45.58 63.03 a 65.94 74.70 86.16 85.61 76.27 52.29 56.50 34.35 57.50
1950 30.23 37.18 42.00 55.63 61.10 76.93 82.65 83.81 70.53 67.84 46.50 40.81 57.93
1951 33.16 f 41.36 41.68 55.27 65.77 70.50 86.16 81.03 74.33 55.10 a 41.40 30.26 58.44
1952 29.32 32.83 35.84 57.77 66.81 78.30 85.45 83.87 78.90 69.32 38.90 33.45 57.56
1953 41.39 37.68 48.84 51.93 60.23 79.67 88.87 83.61 78.33 62.16 49.10 35.39 59.77
1954 39.00 45.79 41.77 61.77 71.19 77.07 90.26 85.19 76.90 64.13 53.37 33.16 61.63
1955 30.52 32.11 40.00 55.17 69.19 75.70 88.13 86.97 75.30 64.13 41.30 37.90 58.03
1956 36.39 30.79 47.16 57.10 70.06 83.10 85.90 81.77 78.13 62.94 43.10 38.00 59.54
1957 28.13 43.61 47.74 52.40 62.26 75.37 85.32 83.74 74.57 60.42 35.97 37.48 57.25
1958 29.39 40.82 41.19 52.90 73.84 81.27 83.97 87.16 76.67 65.45 46.60 41.48 60.06
1959 34.94 35.50 44.13 57.87 62.87 81.87 87.45 82.61 68.27 58.94 48.30 40.29 58.59
1960 28.77 27.93 45.26 60.17 67.65 80.27 88.81 84.81 75.23 59.77 41.57 31.06 57.61
1961 37.39 38.61 45.23 54.47 67.61 82.60 86.45 83.74 63.63 55.39 37.43 28.77 56.78
1962 28.10 36.79 37.16 59.93 65.77 76.53 83.61 83.39 75.90 64.39 50.00 40.13 58.48
1963 30.35 44.25 46.35 51.53 70.39 76.83 87.45 83.19 77.07 66.94 47.00 35.13 59.71
1964 31.10 30.97 36.81 51.43 65.87 a 72.87 89.87 81.94 73.87 64.45 40.67 33.04 d 56.07
1965 33.10 37.11 38.55 55.43 62.32 71.93 83.13 80.26 62.97 66.35 48.57 34.68 56.20
1966 30.52 32.07 47.74 55.60 71.32 76.17 88.77 82.52 74.20 56.32 47.07 33.39 57.97
1967 36.42 38.75 47.29 53.50 61.55 70.60 85.97 85.16 74.00 61.35 45.13 26.65 57.20
1968 31.94 37.79 47.81 49.77 62.35 75.77 86.16 76.58 70.00 61.39 41.97 31.74 56.11
1969 38.35 32.39 37.23 57.37 73.74 70.90 87.13 87.39 76.97 48.84 47.23 37.16 57.89
1970 34.06 44.68 41.48 49.23 67.68 76.10 86.23 87.68 69.73 53.26 42.87 31.81 57.07
1971 34.48 36.57 43.13 55.90 64.26 78.27 85.03 87.13 68.93 54.77 35.80 27.19 55.96
1972 29.39 36.03 52.74 56.73 67.87 78.53 84.03 82.13 70.67 57.45 38.43 28.10 56.84
1973 22.16 29.64 39.77 48.63 66.68 76.97 82.35 84.81 68.93 62.71 41.10 36.13 54.99
1974 28.61 35.25 48.13 54.83 68.71 82.53 86.42 83.06 73.80 62.71 45.17 33.06 58.52
1975 32.42 36.89 43.68 48.67 61.32 72.03 86.97 83.42 73.63 60.50 a 43.67 37.39 56.72
1976 34.52 38.14 42.70 a 56.00 69.93 a 75.57 88.54 e 82.32 74.47 60.48 48.60 40.71 59.33
1977 35.39 45.54 43.23 62.52 a 67.03 86.27 85.39 80.94 74.50 63.29 44.67 38.27 a 60.58
1978 34.55 38.61 49.94 56.07 63.19 78.00 87.92 e 82.75 c 72.97 a 65.32 c 39.87 25.58 57.90
1979 20.74 35.75 44.84 57.13 60.33 p ----- z ----- z ----- z ----- z ----- z ----- z ----- z 39.62
Period of Record Statistics
MEAN 31.71 36.71 43.78 55.24 66.84 77.40 86.18 83.72 73.63 61.31 44.81 34.69 57.96
S.D. 5.33 5.33 4.16 3.86 4.39 3.94 2.11 2.31 3.93 4.60 5.55 4.47 1.56
SKEW -0.80 0.25 0.19 0.14 0.05 0.22 -0.17 -0.36 -0.88 -0.52 0.36 -0.04 0.35
MAX 41.39 49.07 53.32 63.03 75.32 86.27 90.26 87.74 79.80 70.00 58.10 43.87 61.63
MIN 17.97 27.25 35.84 48.63 58.48 70.50 82.35 76.58 62.97 48.84 35.80 25.58 54.99
NO YRS 40 41 41 41 41 41 41 42 42 42 43 42 37