DILLON 1 E, COLORADO

Monthly Total Growing Degree Days

(052281)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1893 0.00 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
1894 0.00 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
1895 0.00 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
1896 0.00 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
1897 0.00 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
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 0.00 z 0.00 z 0.00
1899 0.00 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
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1902 0.00 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
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 237.87 e 0.00 z 966.50 706.00 353.89 c 148.00 0.00 0.00 2412.25
1911 9.00 0.00 a 5.50 6.72 a 159.50 357.50 393.00 404.50 214.00 37.50 0.00 0.00 1587.22
1912 0.00 0.00 0.00 0.00 z 48.00 224.50 402.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 674.50
1913 0.00 z 0.00 z 1.00 4.00 94.50 261.00 407.50 423.50 167.50 13.50 0.00 0.00 1372.50
1914 0.00 a 0.00 0.00 0.50 89.50 263.00 452.00 379.50 211.00 19.00 0.00 0.00 1414.50
1915 0.00 0.00 0.00 22.50 85.50 234.00 398.00 333.00 217.50 12.00 0.00 0.00 1302.50
1916 0.00 0.00 1.50 9.50 89.00 245.50 452.50 383.50 156.00 36.00 0.00 0.00 1373.50
1917 0.00 0.00 0.00 0.50 21.50 215.50 474.00 354.00 221.50 34.00 0.00 0.00 1321.00
1918 0.00 0.00 0.00 0.50 58.50 382.00 434.50 409.50 192.50 63.00 0.00 0.00 1540.50
1919 0.00 0.00 0.00 28.50 91.00 308.00 519.00 440.00 291.21 a 8.00 0.00 0.00 1685.71
1920 0.00 0.00 0.00 1.00 108.50 252.00 427.00 345.00 141.00 25.00 0.00 0.00 a 1299.50
1921 0.00 0.00 0.00 0.00 95.50 302.50 437.00 399.50 168.00 16.00 0.00 0.00 1418.50
1922 0.00 0.00 a 0.00 3.00 88.00 301.00 405.50 476.00 200.00 46.50 0.00 0.00 1520.00
1923 0.00 0.00 0.00 a 0.00 98.00 217.50 503.00 346.50 123.50 11.00 0.00 a 0.00 1299.50
1924 0.00 0.00 0.00 0.00 48.50 281.00 383.50 370.00 142.50 17.00 1.00 0.00 1243.50
1925 0.00 0.00 0.00 5.00 115.73 a 287.50 440.00 411.00 210.00 50.50 0.00 0.00 1519.73
1926 0.00 0.00 0.00 6.00 135.88 a 318.50 409.00 440.00 233.00 39.00 0.00 0.00 e 1581.38
1927 0.00 0.00 0.00 13.00 143.00 282.00 452.00 324.00 226.00 11.00 0.00 0.00 1451.00
1928 0.00 0.00 0.00 17.50 144.50 213.50 445.50 356.50 197.50 52.50 0.00 0.00 1427.50
1929 0.00 0.00 a 0.00 f 0.00 59.50 213.00 439.00 459.00 148.50 f 21.04 c 0.00 0.00 1191.54
1930 0.00 0.00 0.00 b 22.20 e 76.98 a 264.50 434.50 421.00 161.50 18.50 i 0.00 0.00 1380.68
1931 0.00 i 0.00 0.00 a 2.00 67.50 337.50 478.00 388.50 289.00 42.00 0.00 0.00 1604.50
1932 0.00 e 0.00 0.00 i 4.00 94.50 225.00 444.00 265.00 j 88.00 l 32.50 0.00 0.00 800.00
1933 0.00 0.00 0.00 c 0.00 e 41.50 335.69 a 502.00 373.00 286.00 34.50 0.00 0.00 1572.69
1934 0.00 0.00 0.00 25.00 220.50 274.50 498.00 462.00 137.00 31.50 s 0.00 0.00 1617.00
1935 0.00 0.00 0.00 7.50 78.00 273.62 a 427.50 468.00 230.00 54.00 0.00 0.00 1538.62
1936 0.00 b 0.00 0.00 17.31 d 192.50 395.00 522.00 460.50 222.00 13.00 0.00 a 0.00 a 1822.31
1937 0.00 0.00 0.00 13.45 a 153.00 316.00 465.00 471.50 247.00 19.00 0.00 4.00 1688.95
1938 0.00 0.00 0.00 10.50 98.00 327.50 393.18 a 510.98 a 269.50 73.00 0.00 0.00 1682.67
1939 0.00 0.00 0.00 18.00 178.25 c 289.00 531.50 449.00 313.00 12.00 0.00 0.00 1790.75
1940 0.00 0.50 0.00 19.00 136.50 347.50 507.00 407.00 222.00 g 30.50 f 0.00 0.00 1417.50
1941 0.00 0.00 0.00 a 0.50 166.00 294.50 458.28 a 416.00 192.00 36.00 0.00 0.00 1563.28
1942 0.00 0.00 a 0.00 3.00 103.00 263.50 429.00 415.00 224.00 64.50 2.50 0.00 1504.50
1943 0.00 0.00 0.00 55.50 108.00 281.00 485.50 461.50 225.50 46.50 4.50 0.00 1668.00
1944 0.00 0.00 0.00 0.00 112.00 298.00 430.00 450.50 213.50 51.50 0.00 e 0.00 b 1555.50
1945 0.00 0.00 0.00 7.76 a 108.50 192.50 450.50 472.50 197.50 42.50 0.00 0.00 1471.76
1946 0.00 0.00 11.50 43.00 45.50 310.50 496.50 434.50 232.00 40.50 0.00 0.00 1614.00
1947 0.00 f 0.00 0.00 1.00 117.00 228.50 457.50 445.00 271.50 95.00 0.00 0.00 1615.50
1948 0.00 0.00 a 0.00 20.00 150.50 279.00 433.50 399.00 268.50 43.50 0.00 0.00 1594.00
1949 0.00 0.00 0.00 33.50 98.50 267.50 452.00 388.00 226.00 46.00 9.00 0.00 1520.50
1950 0.00 0.00 0.00 12.00 46.00 275.50 365.50 288.50 196.50 107.00 4.00 0.00 1295.00
1951 0.00 0.00 0.00 4.00 110.50 183.50 493.00 384.00 218.50 47.50 0.00 0.00 1441.00
1952 0.00 0.00 0.00 13.00 111.50 382.00 445.50 406.50 254.50 68.50 0.00 0.00 1681.50
1953 0.00 0.00 0.00 6.50 85.00 349.00 529.50 414.50 283.50 61.50 0.00 0.00 1729.50
1954 0.00 1.50 0.00 31.00 162.50 306.00 508.00 439.00 304.00 142.50 0.00 0.00 1894.50
1955 0.00 0.00 0.00 5.00 98.50 229.50 471.50 463.00 241.50 40.00 1.00 0.00 1550.00
1956 0.00 0.00 0.00 3.10 a 186.50 383.79 a 423.50 345.50 251.00 55.50 0.00 0.00 1648.90
1957 0.00 0.00 0.00 0.50 57.87 a 287.00 473.50 436.00 140.50 53.00 2.50 0.00 1450.87
1958 0.00 0.00 0.00 0.00 170.00 352.00 416.00 472.00 238.50 38.00 0.50 0.00 1687.00
1959 0.00 0.00 0.00 16.00 98.50 352.00 432.50 419.50 210.00 18.50 0.00 a 0.00 1547.00
1960 0.00 0.00 0.00 16.00 81.00 299.00 424.50 391.00 264.50 32.00 0.00 0.00 1508.00
1961 0.00 0.00 0.00 6.00 107.50 405.00 515.50 549.00 193.50 55.00 0.00 0.00 1831.50
1962 0.00 3.00 0.00 60.50 164.00 371.50 539.50 501.50 308.00 97.00 0.00 0.00 2045.00
1963 0.00 0.00 2.00 42.50 243.50 400.00 658.50 529.00 417.00 204.50 2.00 0.00 2499.00
1964 0.00 0.00 0.00 0.00 135.50 286.00 562.00 412.50 225.00 58.50 0.00 0.00 1679.50
1965 0.00 0.00 0.00 13.00 101.00 265.00 482.50 363.00 173.50 59.00 0.00 0.00 1457.00
1966 0.00 0.00 0.00 4.00 113.50 274.00 569.00 426.50 242.50 45.50 1.50 0.00 1676.50
1967 0.00 0.00 6.50 9.00 100.50 240.50 518.50 413.00 252.50 80.00 1.50 0.00 1622.00
1968 0.00 0.00 0.00 0.00 53.50 326.50 483.00 391.50 172.00 65.00 0.00 0.00 1491.50
1969 0.00 0.00 0.00 19.50 180.50 244.50 567.50 567.50 281.50 21.50 0.00 0.00 1882.50
1970 0.00 0.00 0.00 0.00 119.00 305.50 504.00 522.00 212.50 29.00 1.50 0.00 1693.50
1971 0.00 0.00 6.00 7.50 64.50 325.00 483.00 488.00 203.00 58.50 0.00 0.00 1635.50
1972 0.00 0.00 1.00 16.50 100.50 353.00 500.50 450.00 236.50 110.00 0.00 0.00 1768.00
1973 0.00 0.00 0.00 0.00 86.50 297.50 441.00 476.50 243.50 75.00 11.50 0.00 1631.50
1974 0.00 0.00 3.50 17.50 171.00 351.50 487.00 401.50 213.50 71.50 0.00 0.00 1717.00
1975 0.00 0.00 0.00 9.50 84.00 251.00 498.00 424.00 203.50 76.50 0.50 0.00 1547.00
1976 0.00 0.00 0.00 5.50 96.50 294.00 515.00 401.50 248.00 39.00 0.00 0.00 1599.50
1977 0.00 0.00 0.00 18.50 105.50 414.50 532.50 477.50 297.00 57.00 5.00 0.00 1907.50
1978 0.00 0.00 3.50 18.50 88.00 343.50 528.00 421.00 262.50 42.00 10.50 0.00 1717.50
1979 0.00 0.00 0.00 15.50 118.50 277.00 516.00 441.00 302.00 102.00 0.00 0.00 1772.00
1980 0.00 0.00 0.00 16.50 73.00 351.00 540.50 452.00 248.50 66.50 13.50 0.00 1761.50
1981 0.00 0.00 1.50 38.00 108.50 414.50 524.50 464.00 292.50 45.00 4.00 0.00 1892.50
1982 0.00 0.00 0.00 a 4.00 86.50 238.00 448.50 512.00 240.00 20.50 0.00 0.00 1549.50
1983 0.00 0.00 0.00 4.00 57.50 245.50 505.50 541.50 315.00 40.00 8.00 0.00 1717.00
1984 0.00 0.00 0.00 2.00 172.00 276.00 521.00 465.50 255.50 18.00 0.50 0.00 1710.50
1985 0.00 0.00 0.00 22.00 127.00 343.50 504.50 466.50 199.50 13.00 0.00 b 0.00 1676.00
1986 0.00 0.00 6.00 14.00 85.00 358.50 445.50 452.50 184.50 14.50 0.00 0.00 1560.50
1987 0.00 0.00 0.00 35.50 120.50 356.00 473.00 419.50 186.50 61.00 9.00 0.00 1661.00
1988 0.00 0.00 0.00 14.00 146.50 422.00 0.00 z 487.00 196.00 60.00 5.00 0.00 1330.50
1989 0.00 0.00 5.50 53.00 136.00 262.00 540.50 412.50 244.50 59.00 2.50 0.00 1715.50
1990 0.00 0.00 1.00 18.00 76.50 392.00 480.50 411.50 313.50 41.00 1.50 0.00 1735.50
1991 0.00 0.00 0.00 7.00 139.00 319.50 455.50 446.00 226.00 80.00 0.00 0.00 1673.00
1992 0.00 0.00 0.00 42.00 164.00 285.00 405.00 397.00 220.50 85.50 0.00 0.00 1599.00
1993 0.00 0.00 0.00 9.50 128.00 271.00 432.50 418.00 178.50 49.50 0.00 0.00 1487.00
1994 0.00 0.00 4.00 39.00 163.00 432.00 502.00 520.00 243.50 32.50 9.50 0.00 1945.50
1995 0.00 0.00 0.00 2.50 33.50 250.00 411.50 524.50 264.50 21.50 0.00 0.00 1508.00
1996 0.00 0.00 0.00 13.00 169.50 334.00 522.50 457.00 201.00 85.50 2.50 0.00 1785.00
1997 0.00 0.00 0.50 3.00 102.00 336.50 474.00 437.50 314.50 71.50 0.00 0.00 1739.50
1998 0.00 0.00 z 5.50 5.50 119.00 248.00 568.50 486.00 349.50 45.50 0.00 0.00 1827.50
1999 0.00 0.00 2.50 2.00 88.50 277.00 531.00 468.00 199.00 47.00 2.00 0.00 1617.00
2000 0.00 0.00 0.00 40.00 197.50 356.50 454.00 f 548.50 304.50 58.00 0.00 0.00 1505.00
2001 0.00 0.00 0.00 29.00 166.00 381.50 575.50 481.50 271.50 54.00 3.50 0.00 1962.50
2002 0.00 0.00 0.00 30.00 129.50 441.00 603.50 471.50 248.00 15.50 0.00 0.00 1939.00
2003 0.00 0.00 0.00 14.50 167.00 290.50 604.00 530.50 191.50 126.00 4.50 0.00 1928.50
2004 0.00 0.00 11.00 19.50 151.50 321.00 452.50 384.00 232.24 a 39.50 4.50 0.00 1615.74
2005 0.00 0.00 0.00 5.50 135.50 262.50 553.00 418.00 285.50 63.50 11.00 0.00 1734.50
2006 0.00 0.00 0.00 23.50 159.50 392.50 558.50 453.00 148.00 48.50 2.50 0.00 1786.00
2007 0.00 0.00 5.00 12.50 125.50 359.00 665.50 642.00 335.00 97.00 1.50 0.00 2243.00
2008 0.00 0.00 0.00 1.50 92.00 288.00 525.50 452.50 206.00 47.00 4.00 0.00 1616.50
2009 0.00 0.00 2.00 8.50 0.00 z 264.00 473.00 383.00 259.50 15.50 4.00 0.00 1409.50
2010 0.00 0.00 1.50 11.50 102.00 366.50 547.50 482.50 282.50 84.00 1.50 0.00 1879.50
2011 0.00 0.00 0.00 5.00 70.50 305.00 555.50 508.06 d 237.00 65.50 0.00 0.00 1746.56
2012 0.00 0.00 5.00 56.50 146.50 442.00 574.50 495.00 245.50 63.00 0.50 0.00 2028.50
2013 0.00 0.00 0.00 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 z 0.00
Period of Record Statistics
MEAN 0.09 0.05 0.92 13.80 115.08 306.54 489.06 442.17 235.18 52.03 1.51 0.04 1651.61
S.D. 0.90 0.34 2.21 14.22 44.26 58.97 75.44 63.00 52.42 32.50 2.94 0.40 205.50
SKEW 9.85 7.67 2.87 1.40 0.48 0.31 2.68 0.90 0.45 1.62 2.33 9.95 0.94
MAX 9.00 3.00 11.50 60.50 243.50 442.00 966.50 706.00 417.00 204.50 13.50 4.00 2499.00
MIN 0.00 0.00 0.00 0.00 21.50 183.50 365.50 288.50 123.50 8.00 0.00 0.00 1243.50
NO YRS 100 101 101 101 102 102 101 101 99 99 102 102 89