ROCK SPRINGS, WYOMING

Monthly Total Growing Degree Days

(487840)

Base Temperature = 40 F

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.
Months with 5 missing days or less use mean for missing day(s)
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 5.50 h 0.00 c 0.00
1899 0.00 j 0.00 z 4.50 115.34 a 266.00 433.00 711.45 a 572.00 496.55 a 69.00 0.00 a 0.00 k 2667.85
1900 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1901 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 410.00 g 202.50 25.50 9.50 237.50
1902 1.03 a 30.00 0.00 z 0.00 z 447.50 747.50 687.50 792.00 477.50 244.00 12.50 0.00 z 3439.53
1903 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1904 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1905 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1906 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1907 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1908 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1909 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1910 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1911 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1912 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1913 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1914 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1915 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1916 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1917 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1918 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1919 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1920 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1921 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1922 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1923 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1924 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1925 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1926 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1927 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1928 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1929 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1930 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1931 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1932 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1933 0.00 b 0.00 3.50 78.50 221.00 737.00 929.00 746.00 522.00 273.00 29.50 14.50 3554.00
1934 0.00 0.00 68.00 253.00 538.00 597.00 890.50 852.00 433.50 225.50 26.50 0.00 3884.00
1935 0.00 0.50 9.50 72.50 217.00 642.00 906.50 835.50 523.00 196.50 0.50 0.00 3403.50
1936 0.00 0.00 0.00 194.50 479.00 724.50 937.50 863.50 446.00 156.50 0.00 0.00 3801.50
1937 0.00 0.00 1.50 69.00 416.50 553.50 875.50 830.00 560.50 206.00 0.00 0.00 3512.50
1938 0.00 0.00 0.00 156.00 317.00 666.50 773.00 759.50 559.00 210.00 0.00 0.00 3441.00
1939 0.00 0.00 41.50 183.50 424.00 522.50 858.00 765.00 505.50 190.50 7.00 4.00 3501.50
1940 0.50 2.50 45.00 129.50 451.00 717.00 903.00 846.00 531.00 210.50 7.50 1.00 3844.50
1941 0.00 0.00 10.00 64.00 431.50 561.00 831.00 774.00 352.50 0.00 z 22.00 2.50 3048.50
1942 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1943 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1944 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1945 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1946 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1947 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 855.00 622.50 186.50 9.50 0.00 1673.50
1949 0.00 0.00 10.50 251.90 a 413.50 615.00 888.50 851.00 559.50 117.00 87.00 0.00 3793.90
1950 3.50 3.00 16.50 126.50 268.00 573.50 815.50 785.00 489.00 322.50 42.00 4.00 3449.00
1951 0.00 f 13.00 6.50 105.00 388.00 491.50 882.50 791.00 516.00 141.57 a 7.50 0.00 3342.57
1952 0.00 0.00 0.50 169.50 404.50 668.50 887.00 858.50 618.50 301.00 4.00 0.00 3912.00
1953 1.50 7.00 32.00 105.00 234.50 673.50 987.50 851.00 601.50 225.50 59.50 0.00 3778.50
1954 0.50 9.50 10.00 227.00 469.50 632.50 981.50 822.50 583.50 267.00 73.50 0.00 4077.00
1955 0.00 0.00 3.50 108.50 413.00 605.50 916.50 913.00 521.00 238.50 16.50 11.00 3747.00
1956 0.00 0.00 41.00 125.00 468.50 749.00 908.50 768.00 573.00 245.00 34.50 1.50 3914.00
1957 0.00 7.00 23.00 77.50 326.50 626.00 883.00 841.50 460.50 210.50 2.00 0.00 3457.50
1958 0.00 7.50 5.00 79.00 532.00 712.00 833.00 923.00 577.50 250.00 54.50 4.50 3978.00
1959 2.00 0.00 11.00 182.00 300.50 744.50 911.50 806.50 461.50 208.00 31.50 0.00 3659.00
1960 0.00 0.00 58.00 211.00 402.00 727.00 978.50 820.50 571.50 203.00 13.50 0.00 3985.00
1961 0.00 6.00 17.50 129.50 404.50 783.00 915.00 871.50 323.50 176.00 0.00 0.00 3626.50
1962 0.00 11.50 4.50 216.50 396.00 615.50 836.00 788.00 547.50 256.00 27.50 1.00 3700.00
1963 2.50 14.00 34.50 85.00 468.50 632.00 923.50 840.00 613.00 352.50 19.00 0.00 3984.50
1964 0.00 0.00 6.50 87.50 389.05 a 559.50 983.50 780.50 501.00 229.00 6.00 5.74 d 3548.29
1965 0.00 0.00 6.00 149.00 319.00 558.00 870.00 768.50 338.00 290.50 36.00 0.50 3335.50
1966 0.00 0.00 44.00 142.00 452.50 609.00 976.50 795.50 560.00 164.50 31.50 0.00 3775.50
1967 0.00 0.00 20.00 61.00 314.00 538.00 906.50 862.50 563.50 259.50 45.50 0.00 3570.50
1968 0.00 0.00 36.50 69.50 279.50 634.50 886.50 685.50 447.50 233.00 5.50 0.00 3278.00
1969 9.50 0.00 17.50 151.00 542.50 512.50 902.50 942.00 610.00 78.50 18.50 3.50 3788.00
1970 5.50 0.00 7.75 a 63.00 409.50 633.50 909.00 936.50 391.00 99.00 14.50 0.00 3469.25
1971 12.00 2.00 19.00 105.00 324.50 635.50 837.50 916.50 392.50 169.00 0.00 0.00 3413.50
1972 0.00 3.00 80.00 125.50 393.50 691.50 819.50 796.50 434.50 205.00 0.00 0.00 3549.00
1973 0.00 0.00 0.00 46.00 357.00 624.00 804.00 842.50 407.00 242.00 18.50 2.50 3343.50
1974 0.00 0.00 42.50 107.00 392.00 740.50 910.50 754.00 436.50 213.00 0.00 0.00 3596.00
1975 1.00 0.50 11.50 33.00 257.00 497.50 933.00 768.50 449.50 212.35 a 19.00 4.50 3187.35
1976 0.00 0.50 6.20 a 92.50 425.22 a 541.50 923.44 e 762.00 539.00 170.00 63.50 2.00 3525.86
1977 0.00 12.00 2.50 240.52 a 351.50 837.50 884.00 773.50 509.50 244.50 22.50 9.30 a 3887.32
1978 0.00 0.00 77.00 112.50 298.50 635.50 741.50 f 776.66 c 482.07 a 257.96 c 36.50 0.00 2676.69
1979 0.00 0.00 5.50 148.50 106.50 p 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 154.00
Period of Record Statistics
MEAN 0.99 3.16 20.49 128.01 380.57 634.12 884.93 813.87 502.57 213.15 21.64 1.94 3646.44
S.D. 2.55 6.00 21.80 58.35 85.49 88.83 66.27 68.12 77.84 59.11 21.58 3.45 228.00
SKEW 3.20 2.63 1.28 0.61 -0.14 0.02 -0.97 -0.75 -0.48 -0.33 1.18 2.09 0.03
MAX 12.00 30.00 80.00 253.00 542.50 837.50 987.50 942.00 622.50 352.50 87.00 14.50 4077.00
MIN 0.00 0.00 0.00 33.00 217.00 433.00 687.50 572.00 323.50 69.00 0.00 0.00 3187.35
NO YRS 40 41 41 41 41 41 40 42 42 42 43 42 36