CHERRY CREEK DAM, COLORADO

Monthly Total Growing Degree Days

(051547)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200312
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
1951 0.00 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 96.50 p 82.50 25.50 108.00
1952 40.00 33.50 43.00 256.00 502.00 922.00 977.50 926.00 712.00 400.00 73.00 15.00 4900.00
1953 99.00 46.50 137.50 177.00 413.50 871.00 1025.50 937.00 773.50 421.00 185.00 8.50 5095.00
1954 54.52 b 153.50 77.50 408.00 538.00 854.00 1092.00 967.00 755.00 409.50 168.50 24.00 5501.52
1955 1.00 14.00 108.50 309.00 550.00 684.50 1016.50 973.00 691.00 426.50 93.50 90.00 4957.50
1956 47.50 11.50 156.50 198.50 619.00 919.00 953.00 864.00 718.00 471.00 67.00 34.00 5059.00
1957 5.50 82.00 81.50 147.00 401.00 726.00 967.00 931.00 604.00 357.50 52.50 74.00 4429.00
1958 4.50 74.00 24.50 138.00 570.00 753.00 849.00 913.50 689.50 382.50 126.50 26.50 4551.50
1959 16.50 2.50 31.00 264.50 484.50 845.50 949.00 958.00 596.50 271.50 92.00 19.00 4530.50
1960 5.50 3.00 139.00 322.00 489.00 807.86 b 953.50 974.50 715.00 370.00 99.50 17.00 4895.86
1961 11.50 44.50 86.50 222.00 495.00 751.50 928.50 915.00 501.00 366.00 55.50 24.50 4401.50
1962 15.50 103.00 57.50 353.50 582.00 743.50 956.50 962.00 686.50 464.00 144.50 38.50 5107.00
1963 3.00 90.50 130.00 292.00 596.75 e 826.55 a 1099.50 922.50 518.50 k 578.50 135.50 10.91 d 4685.71
1964 22.22 a 5.70 a 47.10 e 237.50 592.62 a 753.00 1104.63 a 941.00 693.10 a 401.00 109.50 49.60 a 4956.96
1965 55.05 b 36.50 34.10 a 279.50 509.95 a 661.55 a 957.50 881.50 436.20 e 457.00 204.11 b 101.86 c 4614.82
1966 11.50 0.00 193.75 a 223.33 c 617.93 a 780.52 a 1113.00 922.77 a 730.71 b 287.00 i 129.11 b 19.93 c 4742.55
1967 42.37 a 39.31 b 251.10 a 224.50 f 375.00 f 653.50 920.24 d 826.67 d 306.50 q 310.00 g 102.50 h 4.00 m 2733.18
1968 8.35 e 13.90 e 96.00 f 154.00 396.80 a 803.50 973.50 846.50 601.00 383.50 65.00 27.00 4273.04
1969 39.00 18.50 55.50 310.50 566.78 a 596.00 1013.00 1040.57 a 713.00 130.50 61.00 39.50 4583.85
1970 34.00 32.50 34.00 122.50 534.50 712.00 975.00 1003.50 566.50 200.00 77.50 37.00 4329.00
1971 53.50 19.00 85.50 215.00 393.50 829.50 913.00 958.00 521.00 328.50 106.50 44.50 4467.50
1972 30.50 77.00 216.50 244.00 459.50 800.50 919.00 895.00 616.50 367.50 6.00 0.00 z 4632.00
1973 20.50 10.50 46.00 130.00 420.57 a 732.50 910.00 988.50 538.00 383.00 117.50 51.50 4348.57
1974 10.00 6.00 150.50 196.00 603.00 781.50 1007.50 864.50 537.00 370.00 64.14 a 14.50 4604.64
1975 21.00 19.50 65.50 180.50 371.50 690.00 988.50 921.22 a 574.50 441.50 144.00 70.50 4488.22
1976 27.50 74.50 94.00 228.50 467.00 759.50 1023.50 902.00 618.50 247.50 104.50 33.58 a 4580.58
1977 1.50 40.96 a 112.00 273.62 a 598.00 906.50 1030.50 911.00 751.00 361.15 a 0.00 z 0.00 z 4986.23
1978 1.00 0.00 z 141.50 280.00 417.50 770.00 1045.50 904.50 748.97 a 0.00 z 0.00 z 0.00 z 4308.97
1979 0.00 z 0.00 z 70.00 273.50 452.50 758.50 1046.50 816.00 659.50 383.00 25.50 36.50 4521.50
1980 17.50 48.00 0.00 z 209.00 397.83 a 903.62 a 1084.50 979.50 721.50 338.00 153.10 a 134.00 4986.56
1981 31.00 a 92.62 b 65.00 396.50 443.50 841.50 1025.50 915.50 781.50 351.00 168.00 67.00 5178.62
1982 19.50 73.50 106.50 227.00 413.00 647.00 1014.00 984.50 664.50 258.50 0.00 z 0.00 z 4408.00
1983 9.00 j 0.00 z 0.00 z 0.00 z 182.00 l 428.50 h 676.50 j 992.00 a 504.50 i 214.00 m 111.50 l 0.00 i 992.00
1984 13.00 j 11.50 j 96.88 c 130.00 608.78 b 835.00 1055.00 981.00 701.00 279.00 133.45 a 84.73 a 4904.83
1985 21.70 a 32.50 138.98 a 311.50 560.00 791.50 994.50 969.50 522.50 332.50 53.50 14.50 4743.18
1986 88.50 113.56 a 221.65 a 288.50 476.00 861.50 993.50 976.50 578.65 d 325.50 106.50 1.00 5031.36
1987 45.00 54.50 11.50 v 162.00 j 244.50 n 810.50 982.00 913.50 611.00 339.00 109.50 40.00 3905.00
1988 18.50 35.50 109.50 245.50 514.50 843.50 987.50 972.00 639.00 383.50 144.50 33.50 4927.00
1989 24.50 23.50 198.92 a 318.00 505.00 683.50 1066.00 904.00 643.00 369.00 155.77 d 33.50 4924.69
1990 47.50 24.00 74.00 253.00 436.00 907.76 a 932.00 923.00 776.50 383.00 199.00 43.00 4998.76
1991 6.00 42.00 114.50 221.00 570.00 842.50 987.50 929.50 698.00 396.50 70.00 14.00 4891.50
1992 2.00 40.00 132.50 365.00 611.00 719.00 928.50 851.00 710.00 441.50 40.00 8.00 4848.50
1993 5.17 a 10.00 118.50 209.00 503.00 760.00 989.50 865.00 555.00 308.50 46.00 44.50 4414.17
1994 21.50 38.50 159.00 273.50 640.00 950.50 1010.00 1036.50 762.50 357.00 98.00 52.00 5399.00
1995 39.50 107.50 159.00 163.50 320.50 661.00 918.00 1031.00 642.00 300.50 169.50 71.50 4583.50
1996 40.50 109.00 70.00 257.00 558.00 809.00 986.46 c 959.50 607.50 378.00 92.50 78.50 4945.96
1997 58.50 37.00 171.50 167.50 504.00 835.50 1046.00 566.00 k 716.50 387.00 71.00 0.00 3994.50
1998 9.50 14.00 6.00 r 174.50 584.50 725.36 b 1033.00 936.00 800.00 346.50 153.50 68.00 4844.86
1999 29.00 77.50 145.59 c 132.00 487.00 722.00 1029.00 924.66 b 580.00 385.50 167.00 h 33.67 b 4545.92
2000 34.74 b 78.50 f 116.52 b 347.14 b 608.78 b 806.54 d 859.00 f 1029.89 d 691.00 332.98 b 18.75 b 2.50 3988.84
2001 31.00 14.00 a 90.79 c 258.00 f 505.41 c 851.40 e 1086.11 c 958.02 e 749.48 a 375.10 a 203.79 a 15.00 4880.10
2002 36.00 36.50 76.50 274.50 i 504.00 937.50 1115.00 979.00 692.00 251.50 71.00 23.00 4722.00
2003 66.50 33.50 108.50 k 347.40 e 550.54 d 688.50 1103.00 765.50 g 445.00 g 365.00 h 29.00 f 17.50 g 2789.44
Period of Record Statistics
MEAN 28.07 44.88 109.48 244.10 509.06 786.81 1001.50 937.56 658.14 361.53 105.37 39.03 4790.27
S.D. 22.17 35.58 54.48 73.80 78.20 83.75 61.82 52.72 85.51 74.11 50.33 28.74 305.61
SKEW 1.08 0.99 0.57 0.22 -0.29 -0.05 0.02 -0.18 -0.46 -0.37 0.19 1.13 0.34
MAX 99.00 153.50 251.10 408.00 640.00 950.50 1115.00 1040.57 800.00 578.50 204.11 134.00 5501.52
MIN 1.00 0.00 24.50 122.50 320.50 596.00 849.00 816.00 436.20 130.50 6.00 0.00 4329.00
NO YRS 49 47 46 47 49 51 50 50 48 47 46 46 32