CORTEZ, COLORADO

Monthly Total Growing Degree Days

(051886)

Base Temperature = 50 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
1911 0.00 z 0.00 z 0.00 z 4.00 f 0.00 z 0.00 z 586.33 b 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 586.33
1912 0.00 z 0.00 z 0.00 z 0.00 z 167.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 167.50
1913 0.00 z 0.00 1.50 28.00 201.00 410.00 604.50 581.77 a 246.50 12.00 0.00 0.00 2085.27
1914 0.00 0.00 0.00 28.50 h 193.50 393.00 549.00 527.00 310.00 13.00 0.00 a 0.00 1985.50
1915 0.00 0.00 0.00 z 0.00 z 95.50 297.50 330.67 d 382.50 0.00 z 0.00 z 0.00 z 0.00 z 1106.17
1916 0.00 z 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 z 1.00
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 577.50 293.50 83.50 0.00 0.00 954.50
1930 0.00 0.00 0.00 81.00 165.50 455.50 619.50 562.50 216.00 f 30.00 0.00 0.00 1914.00
1931 0.00 0.00 0.00 10.00 127.00 467.00 680.50 571.50 374.50 101.00 0.00 0.00 2331.50
1932 0.00 0.00 1.00 60.50 248.00 395.00 623.00 544.00 273.50 35.00 0.00 0.00 2180.00
1933 0.00 i 0.00 0.00 0.00 100.00 456.50 646.00 568.00 399.83 a 89.50 0.00 a 0.00 b 2259.83
1934 0.00 0.00 2.00 91.00 317.50 331.00 678.00 638.00 286.50 114.38 b 0.00 a 0.00 2458.38
1935 0.00 a 0.00 a 0.50 27.00 105.00 412.50 656.50 606.50 336.50 98.50 0.00 b 0.00 2243.00
1936 0.00 0.00 0.00 78.00 242.50 537.00 653.50 603.00 298.00 45.50 0.00 0.00 2457.50
1937 0.00 0.00 0.00 32.00 217.00 404.50 606.50 636.50 397.00 66.50 0.00 0.00 2360.00
1938 0.00 0.00 1.00 65.50 156.50 449.50 553.50 598.00 363.50 117.50 0.00 0.00 a 2305.00
1939 0.00 0.00 3.50 50.00 225.00 425.50 669.00 608.00 367.00 20.00 1.50 0.00 2369.50
1940 0.00 0.00 0.00 32.00 220.50 517.00 682.50 584.50 357.50 72.50 0.00 0.00 2466.50
1941 0.00 0.00 0.00 5.50 185.50 328.00 578.50 534.50 250.50 41.00 0.00 0.00 1923.50
1942 0.00 0.00 0.00 53.00 136.00 374.50 661.50 629.50 340.50 98.50 1.50 0.00 2295.00
1943 0.00 0.00 a 15.00 161.50 279.00 508.50 723.50 691.50 404.50 139.00 0.00 0.00 2922.50
1944 0.00 0.00 1.00 3.50 223.50 404.50 635.50 611.50 363.50 124.00 9.50 0.00 2376.50
1945 0.00 0.00 0.00 25.00 190.50 320.50 669.50 660.50 346.00 108.00 0.00 0.00 2320.00
1946 0.00 0.00 7.50 120.00 147.00 502.50 679.00 624.50 385.00 42.00 0.00 u 0.00 a 2507.50
1947 0.00 0.00 3.00 23.50 278.50 360.00 697.00 601.00 427.00 136.00 0.00 0.00 2526.00
1948 0.00 0.00 0.00 70.50 240.50 400.50 650.00 609.50 419.00 79.50 0.00 0.00 2469.50
1949 0.00 0.00 0.00 82.50 174.12 a 387.50 663.00 587.00 431.50 99.00 0.00 0.00 2424.62
1950 0.00 0.00 0.00 43.00 155.00 426.60 e 614.50 571.00 308.00 225.00 0.00 a 0.00 2343.10
1951 0.00 0.00 f 0.00 29.00 248.50 395.50 753.50 638.50 368.50 68.50 0.00 0.00 2502.00
1952 0.00 0.00 0.00 47.50 229.50 483.00 640.50 664.50 413.50 113.50 0.00 0.00 2592.00
1953 0.00 0.00 13.50 50.00 164.00 508.00 725.50 581.50 415.50 116.50 0.00 0.00 2574.50
1954 0.00 0.00 0.50 112.00 302.00 480.00 732.50 576.50 418.50 170.50 4.50 0.00 2797.00
1955 0.00 0.00 0.00 32.50 184.00 386.00 634.00 638.50 384.00 118.00 0.00 0.00 2377.00
1956 0.00 0.00 2.00 32.50 239.00 539.50 624.50 517.00 408.00 135.00 0.00 0.00 2497.50
1957 0.00 0.00 0.00 27.50 112.00 420.00 609.00 574.50 298.50 99.50 1.00 0.00 2142.00
1958 0.00 0.00 0.00 17.50 302.00 524.00 617.50 670.50 397.50 132.50 0.00 0.00 2661.50
1959 0.00 0.00 0.00 72.50 245.00 585.50 728.50 644.50 367.00 58.00 0.00 0.00 2701.00
1960 0.00 0.00 0.00 63.00 193.50 514.00 724.00 668.50 461.50 71.50 6.50 0.00 2702.50
1961 0.00 0.00 5.50 31.50 243.50 559.50 691.00 660.50 266.00 77.00 0.00 0.00 2534.50
1962 0.00 0.00 0.00 91.03 a 184.50 435.00 636.53 a 625.50 384.83 a 85.00 0.00 0.00 2442.40
1963 0.00 0.00 4.50 57.50 299.00 405.50 721.78 a 619.50 443.50 172.00 3.00 0.00 2726.28
1964 0.00 0.00 0.00 24.00 216.50 422.50 706.50 558.00 321.00 111.00 0.00 0.00 2359.50
1965 0.00 0.00 0.00 45.00 130.50 317.00 637.50 549.00 276.50 89.50 2.50 0.00 2047.50
1966 0.00 0.00 3.00 32.50 285.50 451.00 725.50 635.50 368.00 71.50 2.00 0.00 2574.50
1967 0.00 0.00 10.00 22.50 187.00 380.50 682.50 593.00 386.50 101.50 0.00 0.00 2363.50
1968 0.00 0.00 0.00 6.00 167.00 473.50 648.50 472.50 307.00 90.50 0.00 0.00 2165.00
1969 0.00 0.00 1.50 61.50 290.00 388.50 710.00 729.00 414.50 33.00 0.00 0.00 2628.00
1970 0.00 0.00 0.00 2.50 224.50 444.50 710.00 680.00 277.50 39.50 0.00 0.00 2378.50
1971 0.00 0.00 21.50 30.00 136.50 480.00 720.00 621.00 284.00 75.00 0.00 0.00 2368.00
1972 0.00 0.00 8.00 40.00 202.00 502.00 705.50 602.00 381.50 160.50 0.00 0.00 2601.50
1973 0.00 0.00 0.00 5.50 165.00 397.00 636.50 611.50 256.00 96.50 2.50 0.00 2170.50
1974 0.00 0.00 0.50 32.50 282.50 562.00 662.50 569.37 a 353.33 c 126.21 c 0.00 0.00 2588.91
1975 0.00 0.00 b 0.00 7.50 b 110.50 335.77 d 636.07 d 0.00 z 249.50 h 49.50 j 0.00 i 0.00 j 1089.84
1976 0.00 b 0.00 2.00 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 2.00
1977 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 7.00 0.00 7.00
1978 0.00 0.00 7.00 49.50 160.00 462.00 663.50 578.00 332.50 126.00 6.50 0.00 a 2385.00
1979 0.00 0.00 a 0.00 42.50 163.00 388.50 592.00 0.00 z 405.00 146.00 0.00 a 0.00 1737.00
1980 0.00 0.00 0.00 50.00 91.00 445.00 650.00 571.00 321.00 115.50 5.50 0.00 2249.00
1981 0.00 0.00 0.00 69.50 163.00 492.00 672.50 585.00 363.50 51.00 2.00 0.00 2398.50
1982 0.00 0.00 0.00 14.50 133.50 364.00 0.00 z 605.50 353.00 21.50 0.00 0.00 1492.00
1983 0.00 0.00 0.00 8.50 142.00 342.50 602.00 624.00 395.00 49.00 4.50 0.00 a 2167.50
1984 0.00 0.00 0.00 z 25.50 272.50 388.00 651.50 611.50 352.00 31.50 0.00 0.00 2332.50
1985 0.00 0.00 1.50 42.50 191.50 461.38 a 0.00 z 576.50 216.50 39.50 1.50 0.00 1530.88
1986 0.00 z 0.00 7.00 44.00 175.00 0.00 z 566.00 626.00 254.50 26.00 0.00 0.00 1698.50
1987 0.00 0.00 0.00 63.00 162.50 460.00 576.00 513.50 301.00 113.50 0.00 0.00 2189.50
1988 0.00 0.00 0.50 12.93 a 160.50 507.00 634.00 570.50 266.00 114.00 0.00 0.00 2265.43
1989 0.00 0.00 6.50 79.50 205.50 369.00 688.00 550.50 324.50 73.00 0.00 c 0.00 2296.50
1990 0.00 0.00 0.50 50.50 124.00 520.00 617.00 557.00 382.50 45.00 4.50 0.00 2301.00
1991 0.00 0.00 0.00 10.00 158.50 354.50 300.50 n 591.50 302.50 0.00 z 3.00 0.00 1420.00
1992 0.00 0.00 0.00 71.50 200.00 340.00 544.50 561.50 328.00 122.50 0.00 0.00 2168.00
1993 0.00 0.00 0.00 27.50 215.50 357.50 574.00 540.50 292.00 68.50 0.00 0.00 2075.50
1994 0.00 0.00 0.00 72.50 201.00 550.50 687.00 706.00 381.00 42.50 0.50 0.00 2641.00
1995 0.00 0.00 8.50 12.50 84.50 380.00 600.50 663.00 375.50 37.50 0.00 0.00 2162.00
1996 0.00 0.00 0.00 a 45.00 273.50 504.50 696.50 621.50 267.00 114.50 1.50 0.00 2524.00
1997 0.00 0.00 15.00 0.00 z 0.00 z 477.50 657.50 629.00 474.00 105.00 h 0.00 k 0.00 2253.00
1998 0.00 0.00 18.50 22.50 193.50 382.50 762.50 674.00 504.00 101.00 0.50 j 0.00 2658.50
1999 0.00 0.00 9.00 38.50 194.50 435.00 695.00 599.50 332.14 b 129.54 c 1.50 j 0.00 2433.18
2000 0.00 0.00 5.00 93.50 330.31 b 564.00 e 742.00 745.50 438.00 96.00 0.00 0.00 3014.31
2001 0.00 0.00 5.50 87.00 e 329.00 557.50 745.00 641.00 465.00 140.03 b 18.00 0.00 2988.03
2002 0.00 0.00 7.00 105.50 273.50 611.00 796.50 640.00 391.50 41.00 0.00 0.00 2866.00
2003 0.00 0.00 2.50 50.50 325.00 502.50 842.50 734.00 376.50 185.50 6.50 0.00 3025.50
2004 0.00 0.00 51.00 48.00 268.50 506.00 688.00 592.00 350.00 77.50 4.00 0.00 2585.00
2005 0.00 0.00 0.00 50.00 266.50 92.50 u 629.50 g 640.50 420.50 117.00 20.50 0.00 1515.00
2006 0.00 0.00 6.50 87.50 336.00 597.50 801.00 638.00 275.50 91.00 2.50 0.00 2835.50
2007 0.00 0.00 21.50 67.50 279.50 558.00 799.00 733.00 438.00 112.50 2.50 0.00 3011.50
2008 0.00 0.00 2.50 36.50 185.50 480.00 738.50 691.00 406.50 124.50 14.00 0.00 2679.00
2009 0.00 0.00 17.00 49.50 0.00 z 433.00 755.00 634.95 c 429.50 61.00 21.50 0.00 2401.45
2010 0.00 h 0.00 5.00 67.50 d 172.00 520.00 739.50 620.00 428.00 163.00 3.00 0.00 2718.00
2011 0.00 0.00 2.50 38.40 e 168.00 508.00 775.50 749.00 425.50 109.00 0.00 0.00 2775.90
2012 0.00 0.00 13.20 d 129.00 309.00 641.00 782.00 763.50 447.00 121.00 9.50 0.00 3215.20
2013 0.00 0.00 10.00 4.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 10.00
Period of Record Statistics
MEAN 0.00 0.00 3.91 47.89 205.34 448.95 667.47 611.91 359.11 91.48 2.16 0.00 2477.88
S.D. 0.00 0.00 7.38 31.67 63.83 76.81 74.04 61.88 62.61 43.43 4.45 0.00 269.95
SKEW 0.00 0.00 3.68 0.94 0.23 0.21 -0.90 -0.16 -0.14 0.27 2.86 0.00 0.56
MAX 0.00 0.00 51.00 161.50 336.00 641.00 842.50 763.50 504.00 225.00 21.50 0.00 3215.20
MIN 0.00 0.00 0.00 0.00 84.50 297.50 330.67 382.50 216.50 12.00 0.00 0.00 1923.50
NO YRS 82 86 85 81 83 82 81 83 82 81 80 84 64