CHERRY CREEK DAM, COLORADO

Monthly Total Heating Degree Days

(051547)

Base Temperature = 65 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 302.50 p 814.00 1123.00 1937.00
1952 938.50 875.00 955.00 514.00 275.00 1.50 18.50 4.50 93.50 375.00 963.00 1024.50 6038.00
1953 810.50 894.50 675.00 659.50 370.50 28.00 0.00 3.50 43.50 360.50 654.50 1058.00 5558.00
1954 888.31 b 580.00 903.50 352.50 271.50 43.00 0.00 0.50 62.00 399.00 642.50 946.00 5088.81
1955 1175.50 1032.00 846.00 467.50 231.00 112.50 0.00 3.50 117.50 353.50 855.00 900.00 6094.00
1956 951.00 1095.00 768.00 569.00 166.50 1.00 0.00 23.00 78.00 304.00 861.00 940.00 5756.50
1957 1192.50 669.50 818.00 701.50 383.00 82.50 0.50 0.00 157.00 431.00 843.50 786.50 6065.50
1958 1024.50 764.50 1046.50 665.50 207.00 41.50 22.50 13.00 108.00 404.50 737.00 953.00 5987.50
1959 1108.00 998.00 916.50 585.00 292.50 29.00 4.00 0.00 211.00 542.50 815.50 976.50 6478.50
1960 1265.00 1246.50 850.50 449.00 287.00 48.21 b 13.50 14.50 99.50 416.00 726.00 1135.00 6550.71
1961 1072.50 816.00 798.00 585.00 286.50 68.00 12.50 1.00 252.00 414.00 849.50 1136.00 6291.00
1962 1297.00 883.50 903.00 414.00 196.00 74.00 0.50 9.00 98.00 319.00 670.00 971.50 5835.50
1963 1373.00 755.50 822.00 458.00 184.21 e 36.21 a 0.00 7.50 13.00 k 202.50 661.00 1131.50 d 5631.42
1964 1040.05 a 1095.27 a 941.92 e 554.50 235.08 a 71.50 0.00 a 17.50 107.59 a 378.00 760.00 995.62 a 6197.03
1965 863.72 b 985.50 1109.28 a 474.00 266.08 a 109.66 a 4.00 11.50 334.20 e 318.00 560.89 b 873.54 c 5910.37
1966 1144.00 1022.00 676.83 a 571.11 c 186.52 a 51.21 a 0.00 8.27 a 65.89 b 274.50 i 679.29 b 1060.09 c 5465.20
1967 959.45 a 841.08 b 606.57 a 376.00 f 259.00 f 109.00 1.15 d 28.13 d 32.00 q 301.50 g 562.50 h 657.00 m 2545.37
1968 1119.58 e 898.40 e 603.50 f 668.00 384.92 a 64.00 12.50 59.00 174.50 404.00 874.00 1103.50 5762.39
1969 971.50 860.50 1081.50 449.00 230.95 a 180.50 4.50 2.07 a 76.00 818.00 837.50 1011.00 6523.02
1970 1148.50 786.50 989.00 705.50 259.50 113.50 0.00 11.00 227.50 639.00 835.50 961.50 6677.00
1971 1048.50 1005.00 863.50 574.00 384.00 57.50 29.50 3.00 292.00 498.00 762.00 1013.50 6530.50
1972 1068.00 831.00 640.50 535.50 320.00 18.00 46.50 28.50 149.50 431.50 1056.50 0.00 z 5125.50
1973 1259.50 942.50 872.50 730.50 358.05 a 98.00 27.00 2.50 225.00 402.00 781.50 1009.00 6708.05
1974 1327.00 936.50 752.00 602.50 190.50 95.50 1.00 20.00 237.00 411.50 828.62 a 1071.00 6473.12
1975 1057.00 985.50 908.50 670.50 407.00 118.00 0.00 7.23 a 201.00 352.50 846.50 896.50 6450.23
1976 1067.00 783.50 884.00 540.00 308.50 80.50 0.00 13.50 179.00 573.00 826.50 973.92 a 6229.42
1977 1193.50 816.67 a 795.00 513.62 a 188.00 1.50 3.50 20.50 64.00 420.05 a 0.00 z 0.00 z 4016.34
1978 1250.00 0.00 z 756.00 493.50 394.00 119.00 5.50 26.00 103.45 a 0.00 z 0.00 z 0.00 z 3147.45
1979 0.00 z 0.00 z 816.50 525.00 349.50 99.50 0.00 64.50 133.50 433.50 1010.50 996.50 4429.00
1980 1222.00 888.00 0.00 z 633.50 378.20 a 24.31 a 0.00 9.00 88.00 471.50 787.24 a 755.00 5256.75
1981 917.60 a 851.31 b 837.50 371.00 332.50 44.50 3.00 19.50 41.50 455.00 650.00 981.50 5504.91
1982 1104.50 973.50 756.50 578.00 374.00 133.50 8.00 2.50 144.00 534.00 0.00 z 0.00 z 4608.50
1983 664.00 j 0.00 z 0.00 z 0.00 z 300.00 l 152.50 h 2.00 j 0.00 a 64.50 i 240.50 m 453.00 l 1041.00 i 0.00
1984 783.50 j 562.00 j 773.34 c 672.00 187.07 b 49.50 0.00 0.00 152.00 555.00 685.34 a 874.20 a 3948.45
1985 1096.88 a 964.50 703.18 a 453.00 217.50 75.50 0.00 3.00 274.00 465.00 969.00 1101.00 6322.57
1986 779.50 809.41 a 594.68 a 489.00 301.50 32.00 1.50 0.00 178.85 d 474.00 761.50 1103.00 5524.94
1987 1053.00 829.00 270.50 v 369.00 j 180.50 n 36.50 24.00 35.00 161.50 451.00 785.00 1120.00 4495.00
1988 1265.50 942.50 890.00 562.00 280.50 44.00 10.50 6.50 158.00 393.00 748.00 1049.00 6349.50
1989 1001.00 1165.00 745.55 a 489.00 303.50 132.50 4.00 3.00 187.00 455.00 694.04 d 1151.50 6331.09
1990 930.50 918.00 866.00 524.00 349.00 17.59 a 19.00 9.50 78.00 420.00 661.00 1219.50 6012.09
1991 1135.00 754.00 733.50 553.00 226.50 28.50 13.50 10.00 106.50 464.50 893.00 1009.00 5927.00
1992 1068.50 777.00 710.00 388.50 185.00 75.00 14.00 57.00 78.00 344.00 928.00 1125.50 5750.50
1993 1178.00 a 1007.00 754.50 561.50 274.50 84.00 5.00 29.50 221.50 534.00 919.00 966.00 6534.50
1994 997.00 910.50 716.50 540.50 171.50 6.50 9.00 0.00 82.00 428.00 810.50 896.50 5568.50
1995 990.50 743.50 789.50 646.50 456.50 129.50 27.50 14.00 213.50 490.00 677.50 960.50 6139.00
1996 1115.50 866.50 916.00 518.00 237.50 45.50 1.66 c 3.50 205.50 427.50 801.50 956.00 6094.66
1997 1111.50 920.50 727.00 713.00 273.50 32.50 0.00 19.50 k 95.00 433.00 833.50 1156.50 6296.00
1998 980.50 841.00 441.00 r 603.50 198.50 96.96 b 0.00 2.00 46.00 429.00 674.50 1061.50 4933.46
1999 946.50 704.00 699.71 c 731.50 290.00 81.50 0.00 4.81 b 208.50 406.50 440.00 h 976.50 b 5049.52
2000 907.02 b 578.00 f 745.60 b 444.11 b 199.36 b 48.46 d 0.00 f 0.00 d 149.50 456.98 b 1021.61 b 1102.00 5074.64
2001 1030.50 938.52 a 789.39 c 357.00 f 287.86 c 50.40 e 0.00 c 9.54 e 78.62 a 401.97 a 659.48 a 980.50 5226.78
2002 1055.50 879.50 936.00 257.50 i 287.50 25.00 0.00 4.00 130.00 588.50 840.00 947.00 5693.00
2003 857.00 983.50 464.00 k 407.40 e 270.96 d 95.00 0.00 4.00 g 144.50 g 220.00 h 707.50 f 710.00 g 2613.86
Period of Record Statistics
MEAN 1068.51 895.03 819.13 551.21 279.52 65.51 6.96 12.51 145.16 439.96 794.60 1011.73 6109.44
S.D. 136.63 126.33 116.38 98.76 73.63 40.56 10.27 15.18 70.77 96.78 112.19 98.84 392.49
SKEW 0.10 0.25 0.40 0.05 0.33 0.47 1.81 1.94 0.58 1.19 0.28 -0.28 -0.57
MAX 1373.00 1246.50 1109.28 731.50 456.50 180.50 46.50 64.50 334.20 818.00 1056.50 1219.50 6708.05
MIN 779.50 580.00 594.68 352.50 166.50 1.00 0.00 0.00 41.50 202.50 560.89 755.00 5088.81
NO YRS 49 47 46 47 49 51 50 50 48 47 46 46 32