VALLECITO DAM, COLORADO

Monthly Total Growing Degree Days

(058582)

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
1917 0.00 z 0.00 z 0.00 z 32.00 q 93.00 a 400.50 685.00 547.00 395.00 113.00 4.00 0.00 2237.50
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 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1934 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1935 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1936 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1937 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1938 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1939 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1940 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
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 482.50 243.50 66.00 2.07 a 794.07
1943 0.00 4.50 32.50 251.50 366.50 546.50 768.50 779.50 535.50 240.00 53.50 0.00 3578.50
1944 0.00 0.00 0.00 10.50 258.50 452.59 a 706.50 704.50 489.00 233.00 23.00 0.00 2877.59
1945 0.00 0.00 0.00 53.50 264.50 417.00 767.00 777.00 488.00 253.50 11.50 0.00 3032.00
1946 0.00 0.00 12.50 64.50 s 199.00 588.00 835.50 774.50 532.00 140.00 14.00 10.50 3106.00
1947 0.00 0.00 17.50 77.50 366.00 474.50 827.00 715.50 557.00 266.00 10.00 0.00 3311.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 727.00 569.50 234.00 2.50 0.00 1533.00
1949 0.00 0.00 0.50 131.50 263.50 498.00 744.50 691.00 563.00 189.50 85.00 2.50 3169.00
1950 0.00 2.50 9.50 133.50 260.50 559.50 693.50 696.00 435.00 393.50 50.50 0.00 3234.00
1951 0.00 0.00 9.50 84.00 327.50 526.00 869.00 735.00 520.00 190.50 1.50 0.00 3263.00
1952 0.00 0.00 0.00 93.00 313.00 577.00 737.00 735.73 a 545.00 332.50 26.50 0.00 3359.73
1953 0.00 0.00 32.00 93.00 207.50 622.50 824.50 699.00 573.50 240.50 47.00 0.00 3339.50
1954 0.00 0.00 7.00 219.50 338.00 564.50 781.50 681.00 544.50 311.00 50.00 0.00 3497.00
1955 0.00 0.00 1.50 57.00 227.00 482.50 713.00 738.50 541.00 297.50 7.00 0.00 3065.00
1956 1.00 0.00 21.00 76.50 381.00 653.50 739.50 664.00 615.00 258.00 8.00 0.00 3417.50
1957 0.00 0.00 1.50 48.50 165.00 516.50 707.50 663.00 441.00 164.00 0.00 0.00 2707.00
1958 0.00 2.50 0.00 55.50 376.50 595.00 726.50 789.00 518.50 270.00 29.00 1.50 3364.00
1959 0.00 0.00 3.00 129.50 313.50 663.50 795.00 718.50 473.50 182.00 10.50 0.00 3289.00
1960 0.00 0.00 21.50 133.50 265.50 586.50 756.00 760.00 574.00 179.50 23.50 0.00 3300.00
1961 0.00 0.00 5.50 68.00 340.48 a 619.00 755.50 722.82 a 361.50 186.00 0.00 0.00 3058.80
1962 0.00 0.00 2.00 142.50 263.50 515.00 734.50 718.50 503.00 226.00 33.00 0.00 3138.00
1963 0.00 2.00 19.50 84.00 397.50 512.50 817.00 700.50 563.50 340.00 28.50 0.00 3465.00
1964 0.00 0.00 1.50 45.50 298.00 506.00 799.50 643.00 426.00 267.00 13.50 0.00 3000.00
1965 0.00 0.00 1.00 88.00 207.00 416.00 731.00 655.50 359.50 267.50 64.00 2.00 2791.50
1966 0.00 0.00 26.00 118.00 360.00 514.50 814.50 686.00 499.50 236.50 23.50 0.00 3278.50
1967 0.00 0.00 39.50 71.00 289.00 441.00 787.50 633.00 463.50 257.00 47.00 0.00 3028.50
1968 0.00 0.00 10.00 30.50 226.50 551.50 725.00 582.50 432.50 247.00 2.50 0.00 2808.00
1969 0.00 0.00 4.50 109.00 355.50 436.50 749.50 756.50 476.50 80.00 7.00 1.00 2976.00
1970 0.00 0.00 0.00 23.00 324.00 473.50 745.50 750.50 383.00 87.00 2.50 0.00 2789.00
1971 0.00 0.00 62.50 74.00 204.00 573.50 741.50 673.00 405.50 146.00 15.50 0.00 2895.50
1972 0.00 1.00 82.00 110.50 311.50 577.00 787.50 678.00 463.00 231.00 0.00 0.00 3241.50
1973 0.00 0.00 0.00 20.50 231.50 460.50 658.00 652.50 364.50 198.50 49.50 0.00 2635.50
1974 0.00 0.00 25.00 68.50 348.50 627.50 681.00 597.00 446.50 208.50 0.00 0.00 3002.50
1975 0.00 0.00 1.00 15.00 186.50 416.50 681.00 633.00 410.00 181.50 36.50 0.00 2561.00
1976 0.00 0.00 0.50 60.00 268.50 491.50 714.00 613.50 433.50 120.50 28.00 0.00 2730.00
1977 0.00 0.00 0.00 145.00 240.00 637.00 767.00 736.50 493.00 249.00 20.00 0.00 3287.50
1978 0.00 0.00 21.00 92.50 210.00 556.03 a 768.00 678.50 491.50 298.00 40.50 0.00 3156.03
1979 0.00 0.00 0.00 84.00 269.50 507.00 745.50 629.50 545.00 314.50 0.00 0.00 3095.00
1980 0.00 0.00 0.00 79.50 180.00 566.00 807.50 687.50 492.50 224.50 77.00 6.00 3120.50
1981 0.00 5.00 1.00 180.50 267.50 643.00 770.50 708.50 510.00 152.00 47.50 2.00 3287.50
1982 0.00 0.00 1.50 72.50 214.00 472.00 728.50 730.00 460.00 125.50 3.00 0.00 2807.00
1983 0.00 0.00 3.00 38.50 215.00 449.00 734.00 746.50 570.50 212.50 62.50 0.00 3031.50
1984 0.00 0.00 2.00 61.50 440.50 512.00 0.00 z 0.00 z 514.50 99.50 12.00 0.00 1642.00
1985 0.00 0.00 5.17 a 135.50 281.50 571.00 748.50 715.00 340.00 179.00 19.50 0.00 2995.17
1986 0.00 10.00 73.00 116.50 290.88 a 550.50 650.50 701.00 326.00 127.50 5.50 0.00 2851.38
1987 0.00 0.00 2.00 138.50 251.00 558.50 679.50 651.50 428.50 247.00 16.50 0.50 2973.50
1988 0.00 0.00 15.50 106.00 281.00 587.50 715.50 641.50 385.00 256.50 29.00 0.00 3017.50
1989 0.00 2.50 46.00 182.50 365.50 527.50 780.50 660.00 497.00 182.00 24.83 a 0.00 3268.33
1990 0.00 0.00 8.50 57.00 142.00 515.50 574.50 497.00 398.50 85.50 2.50 0.00 2281.00
1991 0.00 0.00 0.00 23.00 173.00 376.00 605.00 592.00 347.50 184.50 4.00 0.00 2305.00
1992 0.00 0.00 0.50 120.00 246.50 382.50 537.50 517.50 344.00 152.50 0.00 0.00 2301.00
1993 0.00 0.00 0.00 29.50 228.50 399.00 607.00 551.50 287.50 84.00 0.00 0.00 2187.00
1994 0.00 0.00 5.00 74.50 209.50 543.50 640.50 632.00 381.00 61.50 0.00 0.00 2547.50
1995 0.00 4.50 26.50 52.50 158.50 421.50 353.00 o 789.50 485.00 181.00 32.00 0.00 2151.00
1996 0.00 0.00 10.50 118.00 421.50 639.50 784.00 699.00 409.00 179.50 7.50 0.00 3268.50
1997 0.00 0.00 40.50 64.00 288.00 489.00 715.50 669.50 521.50 161.00 16.50 0.00 2965.50
1998 0.00 0.00 29.50 34.50 292.50 464.00 821.00 744.50 586.00 154.50 11.00 1.50 3139.00
1999 0.00 0.00 32.50 44.00 219.00 480.00 735.50 666.00 431.50 248.00 96.50 0.00 2953.00
2000 3.00 1.00 13.50 175.00 428.00 654.50 0.00 z 793.50 0.00 z 176.00 0.00 0.00 2244.50
2001 0.00 0.00 11.00 134.00 414.00 600.50 764.00 680.00 536.00 250.50 58.50 0.00 3448.50
2002 0.00 0.00 41.00 182.50 375.00 456.50 j 865.00 799.00 524.50 150.50 10.50 0.00 2948.00
2003 0.00 z 0.00 13.00 111.50 376.00 567.50 926.00 801.50 482.50 327.00 11.50 3.00 3619.50
2004 0.00 0.00 85.00 111.50 330.50 575.00 720.50 655.50 426.00 159.00 23.00 0.00 3086.00
2005 0.00 0.00 0.00 87.00 345.00 513.00 834.50 711.00 497.00 207.00 32.50 0.00 3227.00
2006 0.00 0.50 8.00 135.00 397.50 643.50 780.50 689.50 321.50 152.50 23.00 0.00 3151.50
2007 0.00 0.00 63.50 116.50 314.00 596.50 793.50 780.50 492.00 195.50 71.50 0.00 3423.50
2008 0.00 0.00 2.50 65.00 272.00 537.50 759.50 743.00 450.00 206.00 48.00 0.00 3083.50
2009 0.00 0.00 30.00 98.00 414.50 463.00 777.50 707.00 462.00 111.00 55.00 0.00 3118.00
2010 0.00 0.00 3.00 85.00 256.50 604.50 794.00 719.50 536.50 267.50 30.00 0.00 3296.50
2011 0.00 0.00 16.00 117.50 226.50 575.00 825.50 799.50 522.50 200.00 3.50 0.00 3286.00
2012 0.00 0.00 56.00 213.50 369.00 707.50 817.50 774.50 542.50 259.00 41.50 0.00 3781.00
2013 0.00 0.00 26.00 9.50 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 26.00
Period of Record Statistics
MEAN 0.06 0.51 16.32 94.97 285.74 532.49 748.86 694.14 470.73 206.01 25.14 0.45 3062.59
S.D. 0.38 1.58 20.92 50.84 77.46 76.47 68.73 67.39 74.20 68.84 23.55 1.52 320.89
SKEW 7.15 4.04 1.64 0.75 0.01 -0.07 -0.54 -0.67 -0.41 0.12 0.96 4.89 -0.75
MAX 3.00 10.00 85.00 251.50 440.50 707.50 926.00 801.50 615.00 393.50 96.50 10.50 3781.00
MIN 0.00 0.00 0.00 10.50 93.00 376.00 537.50 497.00 287.50 61.50 0.00 0.00 2187.00
NO YRS 69 70 70 68 70 69 67 70 71 72 72 72 63