ROCK SPRINGS, WYOMING

Monthly Extreme 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 57.00 g 50.00 57.00
1899 48.00 j ----- z 60.00 72.00 76.00 93.00 92.00 88.00 89.00 80.00 62.00 52.00 k 93.00
1900 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1901 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 87.00 g 76.00 64.00 54.00 87.00
1902 59.00 70.00 ----- z ----- z 112.00 94.00 93.00 97.00 86.00 74.00 70.00 ----- z 112.00
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 46.00 a 53.00 65.00 66.00 82.00 90.00 95.00 92.00 87.00 76.00 62.00 55.00 95.00
1934 49.00 56.00 64.00 76.00 83.00 86.00 95.00 91.00 85.00 77.00 64.00 41.00 95.00
1935 52.00 55.00 59.00 69.00 73.00 87.00 98.00 93.00 84.00 77.00 52.00 44.00 98.00
1936 47.00 50.00 54.00 72.00 86.00 93.00 95.00 91.00 84.00 74.00 59.00 44.00 95.00
1937 33.00 43.00 54.00 72.00 82.00 92.00 94.00 92.00 85.00 74.00 59.00 44.00 94.00
1938 45.00 45.00 55.00 77.00 84.00 85.00 94.00 93.00 82.00 72.00 49.00 46.00 94.00
1939 50.00 39.00 65.00 78.00 82.00 87.00 97.00 92.00 87.00 70.00 64.00 59.00 97.00
1940 50.00 54.00 65.00 72.00 85.00 95.00 97.00 96.00 87.00 73.00 57.00 58.00 97.00
1941 40.00 52.00 60.00 64.00 86.00 90.00 91.00 93.00 79.00 ----- z 63.00 51.00 93.00
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 94.00 92.00 79.00 60.00 47.00 94.00
1949 35.00 49.00 65.00 78.00 a 80.00 86.00 94.00 95.00 85.00 76.00 67.00 54.00 95.00
1950 53.00 57.00 59.00 74.00 78.00 89.00 92.00 92.00 94.00 80.00 62.00 54.00 94.00
1951 45.00 f 63.00 59.00 68.00 80.00 85.00 95.00 91.00 83.00 74.00 a 60.00 46.00 95.00
1952 43.00 46.00 52.00 76.00 77.00 89.00 93.00 90.00 89.00 78.00 61.00 48.00 93.00
1953 54.00 57.00 68.00 75.00 78.00 91.00 95.00 90.00 87.00 79.00 65.00 48.00 95.00
1954 52.00 59.00 56.00 75.00 88.00 98.00 97.00 96.00 90.00 79.00 63.00 42.00 98.00
1955 44.00 45.00 57.00 69.00 81.00 92.00 95.00 94.00 91.00 76.00 61.00 54.00 95.00
1956 51.00 50.00 68.00 71.00 86.00 91.00 93.00 89.00 86.00 78.00 64.00 54.00 93.00
1957 41.00 53.00 58.00 66.00 77.00 89.00 93.00 93.00 84.00 82.00 52.00 49.00 93.00
1958 41.00 58.00 56.00 70.00 86.00 92.00 92.00 97.00 87.00 77.00 67.00 53.00 97.00
1959 54.00 45.00 57.00 78.00 79.00 93.00 96.00 90.00 89.00 71.00 61.00 53.00 96.00
1960 43.00 45.00 68.00 76.00 85.00 90.00 96.00 94.00 87.00 77.00 59.00 50.00 96.00
1961 49.00 56.00 63.00 72.00 81.00 93.00 91.00 92.00 80.00 72.00 52.00 43.00 93.00
1962 43.00 59.00 58.00 80.00 79.00 93.00 93.00 94.00 87.00 77.00 63.00 53.00 94.00
1963 52.00 61.00 65.00 70.00 80.00 90.00 94.00 90.00 87.00 80.00 60.00 46.00 94.00
1964 47.00 48.00 65.00 69.00 87.00 a 86.00 95.00 91.00 82.00 77.00 63.00 51.00 d 95.00
1965 44.00 52.00 63.00 73.00 77.00 83.00 91.00 91.00 77.00 77.00 65.00 50.00 91.00
1966 45.00 45.00 69.00 69.00 83.00 90.00 95.00 90.00 85.00 71.00 60.00 49.00 95.00
1967 49.00 54.00 64.00 66.00 83.00 85.00 92.00 90.00 86.00 73.00 63.00 41.00 92.00
1968 48.00 50.00 67.00 72.00 78.00 90.00 91.00 91.00 82.00 71.00 54.00 47.00 91.00
1969 55.00 44.00 66.00 74.00 86.00 89.00 92.00 94.00 85.00 69.00 63.00 55.00 94.00
1970 54.00 54.00 57.00 65.00 83.00 94.00 93.00 93.00 83.00 76.00 58.00 46.00 94.00
1971 52.00 52.00 65.00 73.00 81.00 93.00 94.00 92.00 85.00 76.00 47.00 47.00 94.00
1972 44.00 54.00 68.00 71.00 82.00 87.00 91.00 94.00 80.00 76.00 52.00 51.00 94.00
1973 49.00 43.00 53.00 68.00 82.00 91.00 95.00 92.00 81.00 77.00 62.00 53.00 95.00
1974 45.00 47.00 59.00 73.00 80.00 95.00 93.00 90.00 86.00 77.00 56.00 50.00 95.00
1975 49.00 49.00 62.00 63.00 80.00 88.00 95.00 93.00 85.00 80.00 a 64.00 54.00 95.00
1976 50.00 52.00 57.00 a 70.00 83.00 a 87.00 96.00 e 89.00 88.00 80.00 65.00 52.00 96.00
1977 49.00 60.00 64.00 77.00 a 83.00 94.00 94.00 92.00 91.00 74.00 67.00 55.00 a 94.00
1978 42.00 49.00 73.00 70.00 84.00 89.00 96.00 e 92.00 c 92.00 a 74.00 c 66.00 41.00 96.00
1979 37.00 52.00 55.00 73.00 80.00 p ----- z ----- z ----- z ----- z ----- z ----- z ----- z 80.00
Period of Record Statistics
MEAN 47.12 51.83 61.39 71.76 82.39 90.10 93.98 92.21 85.74 75.86 60.63 49.57 94.57
S.D. 5.62 6.30 5.18 4.14 5.80 3.35 1.88 2.14 3.66 3.10 5.14 4.73 1.65
SKEW -0.43 0.42 0.05 -0.12 3.18 -0.01 0.08 0.40 -0.06 -0.29 -0.86 -0.17 0.00
MAX 59.00 70.00 73.00 80.00 112.00 98.00 98.00 97.00 94.00 82.00 70.00 59.00 98.00
MIN 33.00 39.00 52.00 63.00 73.00 83.00 91.00 88.00 77.00 69.00 47.00 41.00 91.00
NO YRS 40 41 41 41 41 41 41 42 42 42 43 42 35