CENTENNIAL 1 NE, WYOMING

Monthly Total Growing Degree Days

(481610)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200708
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
1899 0.00 z 0.00 0.00 28.50 152.50 363.00 548.50 472.50 353.00 57.00 12.00 0.00 1987.00
1900 0.00 0.00 a 14.50 31.50 265.05 a 517.00 546.50 572.50 342.41 a 114.50 22.50 0.00 2426.46
1901 0.00 0.00 0.00 77.50 262.50 414.00 793.50 632.50 234.50 73.88 a 0.52 a 0.00 2488.90
1902 0.00 f 0.00 a 0.00 g 10.00 213.50 569.00 722.19 d 570.29 b 362.14 b 128.28 b 0.00 d 0.00 c 2575.40
1903 0.00 a 0.00 0.00 0.00 40.50 391.55 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 432.05
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 l 0.00
1911 0.50 0.00 1.00 53.50 253.00 500.00 573.00 578.67 a 452.00 85.50 0.00 0.00 2497.17
1912 0.00 0.00 0.00 1.50 176.50 418.50 601.00 568.50 298.00 85.00 16.00 0.00 2165.00
1913 0.00 0.00 3.50 90.00 298.00 473.00 615.00 667.50 330.00 a 89.90 a 15.00 0.00 2581.90
1914 0.00 0.00 0.00 45.50 275.50 470.00 639.50 579.00 407.00 167.00 54.00 0.00 2637.50
1915 0.00 0.00 0.00 111.00 192.00 356.00 588.00 495.50 304.00 163.00 54.00 0.50 2264.00
1916 0.00 0.00 30.00 68.00 187.50 456.50 679.00 549.50 352.00 96.50 23.50 0.00 2442.50
1917 0.00 0.00 0.00 12.50 84.50 387.50 686.00 544.22 d 404.50 150.00 20.00 0.00 a 2289.22
1918 0.50 0.00 1.00 5.00 210.00 567.93 a 641.00 626.50 339.00 166.37 a 0.00 z 1.00 2558.30
1919 0.00 0.00 0.50 64.00 238.50 530.50 793.00 650.50 451.00 50.00 3.00 0.00 2781.00
1920 0.00 0.00 0.00 0.00 199.00 454.50 662.00 517.50 308.50 123.50 3.50 0.00 2268.50
1921 0.00 1.50 22.00 43.50 264.00 499.00 625.00 582.50 405.00 254.50 37.00 2.00 2736.00
1922 0.00 0.00 0.00 26.50 225.00 551.50 670.50 714.00 451.50 159.50 0.00 0.00 2798.50
1923 0.00 0.00 0.00 24.00 217.00 429.50 662.50 572.00 324.00 43.50 0.00 0.00 2272.50
1924 0.00 0.00 0.00 23.00 153.00 472.50 640.50 652.00 341.50 99.50 22.50 0.00 2404.50
1925 0.00 0.00 9.50 77.00 286.50 433.50 671.00 521.50 340.00 68.00 0.00 c 0.00 2407.00
1926 0.00 0.00 1.00 75.00 260.50 468.50 606.00 624.50 311.00 183.50 2.00 4.50 2536.50
1927 4.00 0.00 0.00 57.50 238.50 430.00 622.50 514.00 352.50 134.50 25.50 0.00 2379.00
1928 0.00 0.00 1.00 37.00 237.50 304.50 642.50 587.50 363.50 133.00 0.00 z 0.00 z 2306.50
1929 0.00 0.00 0.00 7.50 155.50 445.50 725.00 670.50 299.00 153.50 0.00 4.50 2461.00
1930 0.00 0.00 0.00 132.00 190.00 472.00 719.00 612.50 349.50 70.50 6.50 0.00 2552.00
1931 0.00 0.00 0.00 61.00 196.00 588.00 780.00 628.00 454.00 158.00 0.00 z 0.50 2865.50
1932 0.00 a 3.50 0.00 39.50 225.50 462.50 731.08 a 673.00 374.00 127.00 12.00 0.00 2648.08
1933 0.00 0.00 3.00 36.50 162.00 591.00 765.00 599.50 479.50 237.00 17.00 0.00 2890.50
1934 0.00 0.50 6.00 128.00 417.50 507.00 788.00 708.87 a 339.50 214.00 33.00 0.00 3142.37
1935 0.00 1.50 0.00 z 0.00 z 93.00 0.00 z 725.00 710.00 394.50 175.00 0.00 0.00 2099.00
1936 0.00 0.00 z 0.00 0.00 z 365.50 0.00 z 0.00 z 680.00 383.50 136.50 10.86 a 0.00 1576.36
1937 0.00 s 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 11.00 5.00 16.00
1938 0.50 0.50 3.50 112.00 220.50 459.00 662.00 697.00 448.00 223.50 0.00 0.00 a 2826.50
1939 1.50 0.00 22.50 101.00 306.00 455.00 748.00 671.50 445.50 186.50 14.50 62.50 3014.50
1940 0.00 6.21 a 19.63 a 73.50 291.92 a 578.00 756.00 716.21 b 465.00 188.58 a 7.50 d 3.50 3106.05
1941 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
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 672.00 512.59 a 156.50 0.50 0.00 a 1341.59
1949 0.00 d 0.00 2.50 108.50 212.50 383.28 a 634.50 654.50 380.00 92.48 a 64.14 a 1.00 2533.40
1950 2.00 12.00 2.14 b 50.50 109.02 a 431.90 a 554.79 b 560.58 a 329.50 273.32 a 15.00 a 3.50 2344.24
1951 0.00 3.00 1.00 25.00 217.50 288.00 682.50 587.50 314.50 78.00 0.00 0.00 a 2197.00
1952 0.00 0.00 b 0.00 61.50 191.50 517.50 636.02 a 620.50 446.50 217.00 a 13.93 b 0.00 2704.45
1953 8.27 a 0.00 11.00 49.50 135.00 505.34 a 727.98 a 604.00 443.00 168.00 29.00 0.00 2681.09
1954 0.50 5.00 0.50 43.00 i 262.35 d 469.66 a 804.50 656.17 d 451.61 b 225.94 e 35.00 c 0.00 d 2911.22
1955 0.00 a 0.00 3.50 61.55 a 232.50 d 387.00 743.45 c 730.80 d 436.67 c 192.72 a 7.50 b 6.50 2802.18
1956 5.50 0.00 16.50 36.35 d 286.46 d 336.50 m 648.50 240.00 s 481.67 c 198.83 b 18.00 0.00 e 1691.80
1957 0.00 1.00 3.44 d 24.00 133.62 b 417.50 690.50 669.00 331.50 137.00 1.67 c 1.03 a 2410.27
1958 0.00 f 4.48 c 0.00 d 29.44 c 318.00 504.81 d 638.50 735.00 422.00 215.00 19.29 b 0.00 2886.52
1959 0.00 f 0.00 b 3.00 82.50 162.75 a 578.00 701.50 660.00 359.00 72.73 e 5.00 0.00 m 2624.48
1960 0.00 c 6.04 e 9.00 o 90.52 a 211.50 492.41 a 695.50 637.57 a 460.50 146.70 c 3.00 0.50 2744.24
1961 0.00 a 0.00 a 2.00 35.17 a 242.32 a 533.00 670.00 686.28 b 227.50 91.93 b 0.00 0.00 2488.20
1962 0.00 b 11.50 0.00 135.50 241.00 435.00 a 637.57 a 633.00 394.50 182.50 19.00 6.50 2696.07
1963 0.00 7.78 a 12.00 47.00 303.50 494.50 750.20 a 655.50 534.31 a 307.42 a 23.50 0.00 3135.70
1964 0.00 a 0.00 a 7.75 c 41.50 275.00 398.00 814.50 596.00 376.00 161.50 17.50 0.00 b 2687.75
1965 0.00 0.00 0.00 a 69.50 157.50 380.00 614.50 537.50 218.28 a 234.50 16.50 1.55 a 2229.83
1966 0.00 0.00 0.00 43.50 300.18 a 372.00 713.00 575.50 380.00 169.00 75.00 0.00 2628.18
1967 0.00 0.00 7.50 89.50 166.00 291.00 613.50 592.50 322.50 125.00 1.50 0.00 2209.00
1968 17.00 9.00 16.50 13.50 128.00 556.50 770.50 577.00 411.50 0.00 z 0.00 z 0.00 z 2499.50
1969 0.00 z 0.00 z 11.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 y 1.50 12.50
1970 0.00 0.00 0.00 13.00 265.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 278.50
1971 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
1972 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
1973 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
1974 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
1975 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
1976 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
1977 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 606.00 663.50 571.50 421.55 a 142.00 17.00 0.00 2421.55
1978 0.00 0.00 19.50 54.50 195.00 435.00 673.00 542.50 392.00 134.50 37.50 0.00 2483.50
1979 0.00 0.00 0.00 52.00 200.00 460.00 677.50 571.50 430.00 198.50 0.00 2.00 2591.50
1980 0.00 4.00 0.00 51.00 171.50 505.00 707.50 567.00 395.50 125.00 57.00 29.00 2612.50
1981 0.50 2.50 0.00 155.50 161.50 521.00 669.50 591.00 422.50 87.50 20.50 3.50 2635.50
1982 2.50 3.00 0.50 34.50 172.50 358.00 627.00 667.50 315.00 75.50 0.50 0.00 2256.50
1983 0.00 0.00 2.50 8.50 135.50 356.00 651.50 653.00 432.50 129.00 48.10 a 0.00 e 2416.60
1984 0.00 0.00 0.00 15.50 309.00 439.00 669.00 630.50 354.00 76.50 9.31 a 0.00 2502.81
1985 0.00 a 0.00 7.00 95.00 250.00 384.31 a 639.50 603.50 275.50 86.00 11.50 0.00 2352.31
1986 5.50 13.48 a 40.00 65.50 183.00 547.50 589.50 618.50 279.00 86.50 0.00 0.00 2428.48
1987 0.00 0.00 13.00 150.00 271.50 490.50 654.00 549.00 407.50 165.50 19.50 2.00 2722.50
1988 0.00 0.50 6.00 91.50 270.00 615.50 718.00 662.00 337.50 199.50 9.50 0.00 2910.00
1989 1.50 2.50 28.00 137.50 265.50 418.50 735.00 576.00 370.50 159.00 29.00 0.00 2723.00
1990 1.50 0.50 1.50 80.50 188.50 542.00 589.50 608.00 462.00 140.00 25.50 0.00 2639.50
1991 0.00 0.00 1.00 44.00 259.50 475.50 637.00 625.00 382.50 215.50 2.00 0.00 2642.00
1992 0.00 1.00 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 0.00 1.00
1993 0.00 0.00 2.00 i 21.21 a 255.50 365.50 532.00 530.00 296.50 96.00 0.00 0.00 2096.71
1994 0.00 0.00 10.00 107.50 341.00 562.50 675.00 692.00 423.00 111.00 20.50 0.00 2942.50
1995 0.00 4.00 14.00 l 28.50 77.00 368.00 576.50 434.50 k 349.00 68.50 g 11.38 a 1.00 1415.38
1996 0.00 a 2.50 0.00 51.00 220.00 504.50 680.50 619.50 279.50 168.00 17.40 e 0.00 2542.90
1997 0.00 0.00 18.50 32.00 220.00 508.00 450.50 i 380.50 j 420.50 148.50 5.00 0.00 a 1352.50
1998 0.00 j 0.00 z 10.50 0.00 z 117.00 n 290.50 714.00 0.00 z 496.00 0.00 z 10.50 k 0.00 z 1511.00
1999 0.00 e 0.00 d 9.19 d 28.50 g 168.43 a 408.60 e 668.50 589.52 a 273.10 a 204.48 e 101.00 3.88 c 2426.69
2000 0.00 0.00 a 3.00 85.96 d 0.00 z 443.00 749.50 741.93 a 413.50 89.38 a 0.00 0.00 a 2526.28
2001 0.00 b 0.00 0.00 a 82.50 282.10 a 504.50 757.90 b 730.05 a 486.50 144.00 27.41 a 0.00 c 3014.96
2002 1.00 0.00 0.50 91.50 198.00 591.50 815.50 641.50 402.00 52.70 a 0.00 0.00 2794.20
2003 0.00 5.00 4.00 63.50 255.00 302.50 f 779.50 692.00 234.00 g 248.00 0.00 h 0.00 l 2047.00
2004 0.00 2.50 56.00 86.00 219.00 366.35 d 601.00 484.38 c 342.32 b 106.12 e 20.50 0.00 z 2284.16
2005 8.00 f 0.00 k 0.00 f 33.00 i 156.00 n 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2006 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 746.50 601.00 252.00 96.00 24.00 0.00 1719.50
2007 0.00 1.00 39.50 54.50 241.00 515.50 746.00 690.50 0.00 z 0.00 z 0.00 z 0.00 z 2288.00
Period of Record Statistics
MEAN 0.68 1.43 6.53 58.44 220.20 461.97 678.91 618.35 377.83 144.65 16.70 1.87 2585.79
S.D. 2.33 2.90 10.70 37.69 66.38 78.51 68.01 62.69 68.74 57.37 19.06 7.76 245.84
SKEW 5.22 2.50 2.39 0.59 -0.04 -0.17 0.05 -0.07 -0.12 0.41 1.93 6.71 0.41
MAX 17.00 13.48 56.00 155.50 417.50 615.50 815.50 741.93 534.31 307.42 101.00 62.50 3142.37
MIN 0.00 0.00 0.00 0.00 40.50 288.00 532.00 472.50 218.28 43.50 0.00 0.00 2165.00
NO YRS 78 81 78 77 80 78 80 79 81 79 78 79 58