GREEN MT DAM, COLORADO

Monthly Total Growing Degree Days

(053592)

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
1939 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 730.50 598.00 441.00 89.00 3.00 0.00 1861.50
1940 0.00 2.00 7.50 58.50 293.00 529.50 720.50 614.50 447.50 151.00 0.00 a 0.00 2824.00
1941 0.00 0.00 0.00 25.00 314.50 413.50 627.50 583.66 b 347.00 125.07 b 6.00 0.00 2442.22
1942 0.00 0.00 0.00 a 53.50 198.92 a 405.50 617.00 589.00 319.50 131.50 16.00 0.00 b 2330.92
1943 0.00 0.00 a 10.85 a 178.39 b 228.00 437.50 663.50 639.93 c 383.50 124.50 2.00 0.00 2668.17
1944 0.00 0.00 0.00 14.00 258.50 452.00 624.00 652.50 430.00 153.00 7.50 0.00 2591.50
1945 0.00 0.00 0.00 29.00 262.50 336.00 620.00 646.00 405.50 203.50 16.00 0.00 a 2518.50
1946 0.00 0.00 16.00 161.50 182.50 507.50 692.50 659.00 426.50 107.00 6.00 6.50 2765.00
1947 0.00 0.00 1.00 52.50 307.00 401.00 672.00 659.50 489.50 222.50 0.00 0.00 2805.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 587.45 a 470.50 98.50 0.00 0.00 1156.45
1949 0.00 0.00 3.50 98.00 237.50 469.50 626.00 585.00 373.00 100.50 9.50 0.00 2502.50
1950 0.00 0.00 1.00 66.00 177.00 446.90 a 566.50 499.00 341.50 202.50 5.17 a 0.00 a 2305.57
1951 0.00 b 0.00 0.00 58.00 260.50 358.00 686.00 576.00 392.00 113.00 0.00 0.00 b 2443.50
1952 0.00 0.00 0.00 59.50 250.00 546.00 608.50 584.35 a 464.50 195.50 10.00 0.00 2718.35
1953 0.00 1.50 16.50 62.00 214.50 553.00 735.22 a 631.00 439.14 a 136.50 15.50 0.00 2804.85
1954 4.00 7.00 17.00 193.50 375.50 604.00 857.50 717.50 496.00 252.50 13.50 0.00 3538.00
1955 0.00 0.00 0.00 59.00 283.00 434.50 713.50 668.00 480.50 207.00 8.50 17.50 2871.50
1956 3.00 0.00 9.50 84.00 408.50 648.00 705.00 606.00 525.00 224.50 0.00 0.00 3213.50
1957 0.00 0.50 2.50 41.00 199.00 485.50 718.00 694.00 392.50 199.50 7.00 0.00 2739.50
1958 0.00 0.00 0.00 39.50 378.00 615.00 694.50 721.00 499.00 205.00 26.50 0.00 3178.50
1959 0.00 0.00 0.00 104.50 278.50 612.00 691.00 672.50 399.50 119.00 10.50 0.00 2887.50
1960 0.00 0.00 16.50 128.00 276.00 568.50 712.50 701.50 497.50 192.00 10.00 0.00 3102.50
1961 0.00 2.00 4.50 71.50 306.00 557.50 708.50 720.00 278.50 155.50 0.50 0.00 2804.50
1962 0.00 6.00 f 7.00 144.00 277.50 475.00 639.50 653.07 a 466.50 238.00 23.50 0.00 2924.07
1963 0.00 2.00 20.50 121.00 414.88 a 530.19 d 817.22 b 717.59 d 582.50 356.50 27.50 0.00 3589.89
1964 0.00 0.00 0.00 64.50 321.00 492.00 802.00 621.50 421.50 176.00 3.50 0.00 2902.00
1965 0.00 0.00 0.00 70.50 237.00 466.50 666.50 573.50 312.00 203.00 12.00 0.00 2541.00
1966 0.00 0.00 15.50 82.00 320.50 491.50 786.50 655.00 458.00 116.50 16.50 2.00 2944.00
1967 0.00 0.50 34.00 76.50 248.50 410.50 707.50 620.50 442.00 199.50 17.00 0.00 2756.50
1968 0.00 0.00 1.50 17.00 206.50 535.00 687.00 581.00 359.50 182.50 0.00 0.00 2570.00
1969 3.00 0.00 3.00 103.50 370.50 401.50 771.50 762.00 473.00 52.50 0.00 0.00 2940.50
1970 2.00 0.00 1.00 22.00 302.00 488.50 706.00 716.00 366.00 66.50 15.00 0.00 2685.00
1971 2.50 0.00 29.50 74.00 219.50 524.50 692.00 702.00 337.00 166.50 4.50 1.00 2753.00
1972 1.50 0.50 42.00 92.50 273.00 550.00 678.50 617.50 389.00 196.50 0.00 0.00 2841.00
1973 0.00 0.00 0.00 22.50 213.00 462.00 579.50 631.50 379.50 183.50 32.50 0.00 2504.00
1974 0.00 0.00 11.50 61.00 326.50 509.00 661.00 586.00 356.00 171.50 2.00 0.00 2684.50
1975 3.00 0.00 2.50 44.00 222.00 409.00 670.50 587.00 371.00 169.50 5.00 0.00 2483.50
1976 0.00 0.00 0.00 38.50 226.50 420.00 701.00 597.00 378.50 94.50 0.50 0.00 2456.50
1977 0.00 0.00 0.50 116.00 264.50 633.00 736.50 667.00 481.50 152.00 8.50 0.00 3059.50
1978 0.00 0.00 12.00 90.00 250.50 528.50 721.50 598.50 441.00 169.50 30.00 0.00 2841.50
1979 0.00 1.50 2.00 95.50 274.50 495.00 726.00 639.00 486.00 249.00 0.00 0.00 2968.50
1980 0.00 0.00 0.00 45.00 84.00 o 529.82 b 587.50 570.40 a 410.50 161.00 50.50 2.00 2356.72
1981 0.00 0.00 3.00 200.50 289.00 588.50 677.00 625.50 459.64 b 142.00 54.00 0.00 3039.14
1982 0.00 b 0.00 3.50 50.50 213.50 406.50 659.50 687.50 362.50 69.50 0.00 0.00 2453.00
1983 0.00 0.00 0.00 29.00 159.00 431.50 635.50 702.50 379.50 116.50 10.50 0.00 c 2464.00
1984 0.00 0.00 0.00 7.00 299.00 401.00 617.00 590.50 405.50 38.00 0.50 0.00 2358.50
1985 0.00 0.00 0.00 77.50 259.00 560.17 a 673.50 625.50 0.00 z 57.50 0.00 0.00 2253.17
1986 0.00 a 0.00 17.00 70.50 240.50 580.00 0.00 z 0.00 z 320.00 38.50 0.00 0.00 1266.50
1987 0.00 0.00 0.00 122.00 290.50 560.00 667.00 619.50 294.00 102.00 1.61 b 0.00 z 2656.61
1988 0.00 0.00 0.00 35.50 205.00 531.00 704.00 674.00 319.50 124.00 1.00 0.00 2594.00
1989 0.00 a 0.00 1.00 120.50 227.50 393.00 606.50 492.50 334.50 93.50 4.04 d 0.00 2273.04
1990 0.00 a 0.00 1.50 42.00 138.00 523.00 533.50 500.00 361.00 62.00 12.00 0.00 2173.00
1991 0.00 1.00 6.00 73.50 361.00 562.00 706.50 579.00 318.50 159.50 5.50 0.00 2772.50
1992 0.00 0.00 3.50 189.50 335.00 449.00 596.50 598.50 401.50 218.00 0.00 0.00 2791.50
1993 0.00 0.00 0.00 26.50 196.50 289.00 454.50 441.00 207.00 48.50 0.00 0.00 1663.00
1994 0.00 0.00 5.00 46.00 344.50 593.50 714.50 697.00 428.50 138.00 15.00 0.00 2982.00
1995 0.00 0.00 z 7.00 9.00 87.00 369.50 300.50 o 428.50 k 416.50 89.50 21.00 4.50 1004.00
1996 0.00 0.00 0.00 38.00 316.50 507.00 679.50 645.00 322.00 144.50 6.00 0.00 2658.50
1997 0.00 0.00 5.00 31.00 218.00 491.50 624.00 623.00 457.50 150.50 0.50 0.00 2601.00
1998 0.00 0.00 20.50 32.00 251.50 0.00 z 0.00 z 0.00 z 0.00 z 63.50 0.50 0.00 368.00
1999 0.00 a 0.00 10.50 21.50 199.00 454.00 622.50 561.00 279.00 96.50 11.90 a 0.00 a 2255.90
2000 1.00 0.00 3.00 131.00 412.30 a 506.50 697.50 653.00 398.00 88.00 0.00 b 0.00 2890.30
2001 0.00 0.00 3.50 69.50 246.50 474.00 700.08 a 616.00 357.00 134.00 3.00 0.00 2603.58
2002 0.00 0.00 1.00 72.00 133.50 n 591.50 773.50 646.00 348.00 35.00 0.00 0.00 2467.00
2003 0.00 0.52 a 0.00 f 34.00 234.50 379.50 749.00 630.00 303.50 145.00 0.00 0.00 2476.02
2004 0.00 d 0.00 19.00 42.50 246.00 418.50 581.00 420.00 f 317.50 103.00 1.50 0.00 1729.00
2005 0.00 c 0.00 a 0.00 53.50 236.00 272.50 g 714.50 538.50 337.00 75.00 11.50 0.00 b 1966.00
2006 0.00 0.00 0.00 38.00 192.00 454.50 612.50 463.50 116.50 30.00 0.00 o 0.00 1907.00
2007 0.00 0.00 2.00 17.50 124.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 14.00 0.00 a 157.50
2008 0.00 0.00 0.00 17.00 216.00 527.50 777.00 521.00 g 414.50 112.00 o 20.00 0.00 k 1972.00
2009 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2010 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2011 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2012 0.00 z 0.00 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 0.00 a 0.00
2013 0.00 0.00 a 0.00 g 0.00 z 0.00 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 0.29 0.28 5.98 69.32 260.52 488.84 678.53 623.60 392.67 138.77 8.80 0.49 2706.47
S.D. 0.86 0.97 8.85 46.25 67.24 77.28 68.66 63.95 77.09 64.71 11.16 2.31 325.33
SKEW 2.93 5.36 2.00 1.13 0.22 -0.14 -0.28 -0.50 -0.56 0.37 2.01 6.29 0.00
MAX 4.00 7.00 42.00 200.50 414.88 648.00 857.50 762.00 582.50 356.50 54.00 17.50 3589.89
MIN 0.00 0.00 0.00 7.00 87.00 289.00 454.50 441.00 116.50 0.00 0.00 0.00 1663.00
NO YRS 69 67 67 68 66 65 65 64 67 69 70 69 54