DURANGO, COLORADO

Monthly Total Growing Degree Days

(052432)

Base Temperature = 50 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 199103
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
1900 0.00 0.00 4.00 8.00 206.00 438.50 517.50 392.00 166.00 11.50 0.00 0.00 1743.50
1901 0.00 0.00 0.00 1.00 44.50 126.21 a 300.00 p 614.50 275.00 67.00 0.00 0.00 1128.21
1902 0.00 0.00 0.00 29.00 110.00 i 500.69 a 508.50 561.00 303.00 47.00 4.50 0.00 1953.69
1903 0.00 0.00 0.00 21.00 115.00 350.50 386.50 i 554.00 234.50 62.00 0.00 0.00 1337.00
1904 0.00 0.00 0.00 46.00 172.50 318.00 502.50 522.00 306.00 41.50 0.00 0.00 1908.50
1905 0.00 0.00 0.00 9.50 99.00 358.00 359.00 h 538.00 282.50 36.00 0.00 0.00 1323.00
1906 0.00 h 0.00 0.50 8.00 128.50 324.00 483.00 452.00 229.50 55.00 0.00 0.00 1680.50
1907 0.00 0.00 9.50 34.00 62.00 230.50 539.00 479.00 247.24 a 70.50 0.00 0.00 1671.74
1908 0.00 0.00 h 0.50 14.50 46.50 278.00 539.50 463.28 d 285.52 a 42.00 j 0.00 0.00 1627.80
1909 0.00 0.00 0.00 d 9.00 48.80 d 408.46 d 587.00 520.50 224.00 53.50 f 0.00 0.00 1797.76
1910 0.00 g 0.00 0.00 j 52.00 186.50 301.50 h 599.00 535.00 369.00 63.00 g 0.00 b 0.00 h 1741.50
1911 0.00 a 0.00 0.00 h 10.56 c 143.67 e 330.50 455.50 463.97 a 165.50 n 26.50 0.00 a 0.00 h 1430.70
1912 0.00 r 0.00 0.00 1.50 129.50 320.17 a 483.50 449.50 140.69 a 20.00 0.00 0.00 1544.86
1913 0.00 0.00 0.50 6.00 181.50 331.50 530.62 a 555.00 229.00 15.50 0.00 0.00 1849.62
1914 0.00 0.00 c 0.00 a 16.50 161.00 337.00 512.00 483.00 316.80 e 27.90 a 0.00 0.00 1854.20
1915 0.00 0.00 0.00 19.50 116.25 a 277.00 472.48 b 462.50 181.50 f 34.00 2.00 0.00 1383.73
1916 0.00 0.00 0.50 38.65 d 103.50 322.00 532.17 a 454.50 174.50 f 14.50 f 0.00 0.00 1451.32
1917 0.00 b 0.00 0.00 9.83 a 36.96 e 366.67 c 590.50 464.50 314.50 95.50 0.00 0.00 1878.46
1918 0.00 0.00 b 0.00 e 4.00 65.00 516.60 e 509.50 466.15 d 246.50 105.50 0.00 0.00 1913.25
1919 0.00 0.00 0.00 47.00 168.00 365.77 d 414.50 g 536.19 d 318.50 0.50 0.00 0.00 1435.95
1920 0.00 0.00 0.00 4.00 126.00 295.50 510.00 406.00 203.50 55.50 0.00 f 0.00 h 1600.50
1921 0.00 0.00 1.00 6.00 106.50 321.00 513.50 448.00 250.50 74.50 f 0.00 0.00 1646.50
1922 0.00 0.00 0.00 d 5.00 134.00 382.50 0.00 z 563.50 341.00 0.00 z 0.00 h 0.00 1426.00
1923 0.00 0.00 0.00 0.50 122.28 d 267.00 567.50 444.50 176.50 24.59 b 0.00 e 0.00 1602.86
1924 0.00 0.00 0.00 a 1.50 133.00 387.50 546.38 c 459.00 254.00 27.00 5.00 0.00 1813.38
1925 0.00 0.00 0.00 h 33.50 206.00 320.00 449.00 f 395.00 204.50 29.00 0.00 0.00 1188.00
1926 0.00 0.00 0.00 b 5.50 77.50 f 284.00 346.50 425.00 224.40 e 8.00 0.00 0.00 1293.40
1927 0.00 f 0.00 0.00 20.00 68.89 d 210.50 393.00 328.08 a 108.50 h 3.58 e 0.00 0.00 1024.05
1928 0.00 0.00 0.00 e 17.00 j 76.50 g 214.50 375.00 332.50 198.00 28.00 0.00 0.00 b 1148.00
1929 0.00 0.00 0.00 2.50 40.50 257.50 629.00 513.00 241.50 92.50 0.00 h 0.00 i 1776.50
1930 0.00 i 0.00 0.00 76.00 117.80 a 406.00 562.00 528.50 253.50 22.00 0.00 a 0.00 1965.80
1931 0.00 0.00 0.00 5.50 116.50 427.50 625.50 534.00 348.00 82.00 i 0.00 0.00 2057.00
1932 0.00 0.00 0.00 8.50 120.00 309.00 585.00 543.53 a 300.50 56.50 0.00 0.00 1923.03
1933 0.00 0.00 0.00 0.00 80.50 395.00 594.50 514.50 362.50 86.50 0.00 0.00 2033.50
1934 0.00 i 0.00 g 1.50 53.79 a 259.00 324.50 588.00 562.50 142.50 h 75.50 4.50 0.00 1869.29
1935 0.00 0.00 0.00 4.00 50.50 318.00 461.50 449.50 203.50 30.50 0.00 0.00 1517.50
1936 0.00 0.00 0.00 17.00 136.50 391.50 475.00 468.00 298.00 42.37 a 0.00 0.00 1828.37
1937 0.00 a 0.00 0.00 9.00 150.00 289.50 503.50 523.00 294.00 15.50 0.00 0.00 1784.50
1938 0.00 0.00 0.00 20.50 83.50 315.00 432.00 504.50 281.50 56.00 0.00 0.00 1693.00
1939 0.00 0.00 0.50 22.00 121.00 304.00 486.50 451.50 300.50 0.50 0.00 0.00 1686.50
1940 0.00 0.00 0.00 6.50 127.50 389.50 565.00 482.00 279.00 39.50 0.00 0.00 1889.00
1941 0.00 d 0.00 0.00 0.50 131.50 239.00 487.50 453.00 168.50 13.00 0.00 0.00 1493.00
1942 0.00 0.00 0.00 7.50 69.00 246.00 493.00 458.00 223.00 46.50 h 0.00 0.00 1496.50
1943 0.00 0.00 0.50 55.50 98.74 d 262.50 516.50 545.00 262.50 25.50 0.00 0.00 1766.74
1944 0.00 a 0.00 0.00 0.00 87.00 212.00 461.00 452.00 230.00 58.50 1.00 0.00 1501.50
1945 0.00 0.00 0.00 9.00 64.50 175.50 521.00 539.18 c 229.50 62.00 0.00 0.00 i 1600.68
1946 0.00 0.00 0.00 a 68.50 54.00 352.00 569.00 493.50 271.00 19.50 0.00 0.00 1827.50
1947 0.00 0.00 0.00 1.00 156.50 228.50 565.50 504.00 332.00 83.50 0.00 0.00 e 1871.00
1948 0.00 0.00 0.00 a 32.00 153.00 275.00 502.41 b 491.00 302.00 40.00 0.00 0.00 1795.41
1949 0.00 0.00 0.00 40.00 89.00 292.50 538.00 447.50 301.50 40.50 0.00 0.00 1749.00
1950 0.00 0.00 0.00 8.50 72.50 294.00 477.50 414.00 177.50 116.50 0.00 0.00 1560.50
1951 0.00 0.00 0.00 10.00 146.50 251.00 592.50 486.00 220.00 29.50 0.00 0.00 1735.50
1952 0.00 0.00 0.00 18.00 124.50 332.00 509.00 537.50 308.50 58.50 0.00 c 0.00 1888.00
1953 0.00 0.00 7.50 28.50 94.00 387.50 566.50 467.50 271.50 33.98 e 0.00 0.00 1856.98
1954 0.00 0.00 0.00 47.00 180.50 343.50 626.50 481.00 279.50 122.00 0.00 0.00 2080.00
1955 0.00 0.00 0.00 0.00 80.50 285.00 467.00 545.50 277.00 79.00 0.00 0.00 a 1734.00
1956 0.00 0.00 0.00 5.50 175.00 424.50 519.00 435.50 324.50 73.00 0.00 0.00 1957.00
1957 0.00 0.00 0.00 2.50 79.50 341.00 525.00 503.00 232.00 56.50 0.00 0.00 1739.50
1958 0.00 b 0.00 0.00 4.00 216.50 386.00 486.50 554.00 278.00 83.00 1.50 0.00 2009.50
1959 0.00 0.00 0.00 32.50 124.00 423.50 419.00 g 495.00 237.00 23.50 0.00 0.00 1335.50
1960 0.00 0.00 0.00 24.00 115.50 395.00 547.00 544.00 364.00 64.50 0.00 0.00 2054.00
1961 0.00 0.00 0.00 8.00 154.50 398.00 534.50 529.00 165.50 31.00 0.00 0.00 1820.50
1962 0.00 0.00 0.00 62.00 119.00 326.00 536.50 502.50 311.00 43.00 0.00 0.00 1900.00
1963 0.00 0.00 3.00 21.00 223.50 297.50 614.50 530.50 369.00 116.00 0.00 0.00 2175.00
1964 0.00 0.00 0.00 2.50 151.00 292.00 604.50 471.50 252.00 80.50 0.00 0.00 1854.00
1965 0.00 0.00 0.00 30.00 96.00 259.50 578.50 466.50 197.50 82.00 0.00 0.00 1710.00
1966 0.00 0.00 4.00 24.00 189.00 350.50 638.50 530.50 300.00 42.50 0.00 0.00 2079.00
1967 0.00 0.00 8.00 8.50 151.50 272.50 610.50 450.00 277.50 56.00 0.00 0.00 1834.50
1968 0.00 0.00 0.00 0.00 101.50 351.50 537.50 375.00 188.50 27.50 0.00 0.00 1581.50
1969 0.00 0.00 a 3.50 22.00 180.00 253.50 578.00 573.50 293.00 17.50 0.00 0.00 1921.00
1970 0.00 0.00 0.00 1.00 144.00 287.50 578.50 573.00 190.50 27.00 0.00 0.00 1801.50
1971 0.00 c 0.00 9.82 a 5.56 c 74.00 349.00 460.00 g 527.60 e 196.00 38.48 b 0.00 0.00 b 1200.45
1972 0.00 e 0.00 0.52 a 24.50 147.50 379.44 c 588.00 402.50 g 251.25 b 94.00 f 0.00 f 0.00 a 1391.21
1973 0.00 b 0.00 d 0.00 b 0.60 e 110.05 a 319.00 234.00 n 493.50 176.25 b 36.50 1.00 0.00 c 1136.90
1974 0.00 c 0.00 h 0.00 c 28.00 227.69 b 421.03 a 396.00 h 418.50 277.20 e 54.85 e 0.00 c 0.00 1427.27
1975 0.00 0.00 b 0.00 0.50 f 86.00 288.00 560.50 480.50 b 255.00 55.50 0.00 i 0.00 1725.50
1976 0.00 0.00 0.00 a 5.50 157.50 352.50 593.00 465.50 273.00 26.00 0.00 0.00 1873.00
1977 0.00 0.00 0.00 42.50 103.00 485.00 609.50 590.11 c 254.50 i 23.50 g 0.00 0.00 1830.11
1978 0.00 0.00 4.50 23.50 113.00 374.00 586.00 470.50 287.00 88.50 0.00 a 0.00 a 1947.00
1979 0.00 0.00 0.00 20.50 145.00 337.24 a 571.50 485.50 214.50 o 126.00 0.00 0.00 1685.74
1980 0.00 0.00 0.00 23.00 57.87 a 421.03 a 611.00 518.00 293.50 103.33 a 0.00 0.00 2027.73
1981 0.00 0.00 0.00 55.00 92.00 430.50 601.00 514.60 a 328.00 29.00 0.00 0.00 2050.10
1982 0.00 0.00 0.00 17.50 108.50 307.00 548.50 573.50 297.50 7.50 0.00 0.00 1860.00
1983 0.00 0.00 0.00 2.00 124.00 304.50 605.00 611.50 338.28 a 35.00 3.50 0.00 2023.78
1984 0.00 0.00 0.00 12.50 269.00 363.50 641.00 550.00 327.00 15.50 0.00 0.00 2178.50
1985 0.00 0.00 0.00 34.00 152.00 436.00 601.00 546.50 187.50 34.00 0.00 0.00 1991.00
1986 0.00 0.50 10.00 28.00 146.50 405.00 497.50 565.00 174.00 15.50 0.00 0.00 1842.00
1987 0.00 0.00 0.00 67.00 126.50 427.00 539.50 492.00 255.50 87.00 0.00 0.00 1994.50
1988 0.00 0.00 1.00 33.00 160.50 455.00 589.50 554.50 254.00 96.00 0.00 0.00 2143.50
1989 0.00 0.00 10.50 95.00 228.50 416.00 651.00 507.00 344.50 50.50 0.00 0.00 2303.00
1990 0.00 0.00 2.00 35.00 112.50 506.00 575.00 486.00 362.50 35.50 0.00 0.00 2114.50
1991 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 0.00 0.01 0.94 20.37 125.89 336.90 541.63 494.90 264.47 48.75 0.27 0.00 1863.78
S.D. 0.00 0.05 2.44 20.04 49.99 74.25 60.86 55.80 55.47 30.69 0.97 0.00 175.17
SKEW 0.00 9.27 2.89 1.34 0.52 0.04 -0.68 -0.46 -0.12 0.67 3.87 0.00 0.00
MAX 0.00 0.50 10.50 95.00 269.00 516.60 651.00 614.50 369.00 126.00 5.00 0.00 2303.00
MIN 0.00 0.00 0.00 0.00 36.96 126.21 346.50 328.08 140.69 0.50 0.00 0.00 1493.00
NO YRS 86 89 89 89 88 90 81 90 84 81 86 86 57