LAKEWOOD, COLORADO

Monthly Total Heating Degree Days

(054762)

Base Temperature = 65 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
1962 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 16.00 105.50 279.50 639.83 a 371.50 q 1040.83
1963 1342.82 a 753.85 b 790.00 436.00 145.50 48.00 0.00 e 12.00 34.50 234.00 669.00 1041.50 5507.16
1964 1026.00 1068.00 985.50 557.50 265.50 118.50 0.00 a 29.00 175.00 392.00 775.50 1017.12 b 6409.62
1965 917.50 991.50 1166.00 444.50 279.00 84.50 0.00 18.50 338.50 279.00 578.50 839.50 5937.00
1966 1064.50 988.00 661.00 571.50 177.00 57.00 0.00 17.00 89.50 400.00 685.50 1007.50 5718.50
1967 904.00 818.50 641.50 495.50 414.50 150.00 4.50 18.00 127.00 357.00 735.00 1148.50 5814.00
1968 995.50 864.50 725.50 645.50 354.95 a 50.50 16.53 a 25.50 141.50 363.50 849.00 1024.00 6056.48
1969 872.00 830.00 1019.50 402.00 211.50 172.50 3.00 0.00 b 64.50 760.50 758.50 942.50 6036.50
1970 1055.50 703.50 958.50 626.38 a 173.60 a 95.00 0.00 0.00 186.00 555.93 a 746.50 953.77 a 6054.68
1971 960.50 940.00 797.14 c 441.00 i 350.00 30.50 16.00 0.00 262.76 a 455.00 763.50 1028.17 a 5603.57
1972 1068.90 e 800.85 c 595.64 c 508.45 a 329.78 b 9.50 61.00 27.00 145.71 b 455.00 981.50 1191.00 6174.33
1973 1166.00 892.00 841.50 765.00 387.50 73.45 a 43.29 b 1.00 207.00 369.33 b 801.96 b 961.00 c 6509.03
1974 1197.00 890.40 c 704.22 a 550.00 180.66 b 95.89 b 1.00 26.19 b 238.50 393.00 769.00 1050.00 6095.85
1975 1101.65 d 1031.13 e 908.82 a 685.34 a 380.55 b 112.76 a 0.00 a 13.00 228.62 a 345.81 b 856.61 b 886.82 c 6551.11
1976 1067.29 c 711.06 c 883.50 b 537.00 333.52 b 81.72 a 4.28 b 10.50 200.50 545.50 771.50 895.68 c 6042.04
1977 1173.35 a 754.50 825.50 473.50 188.50 4.50 6.00 20.50 45.00 349.50 716.50 881.43 a 5438.78
1978 1216.50 957.50 724.07 c 459.31 a 358.50 107.00 7.50 37.00 116.50 365.59 b 806.50 1175.93 a 6331.90
1979 1385.00 854.00 c 791.00 505.00 350.00 112.50 3.00 44.00 78.50 359.00 943.00 917.00 6342.00
1980 1195.10 b 870.50 861.05 b 597.50 357.61 c 26.50 0.00 0.00 b 86.50 405.50 699.00 762.48 e 5861.74
1981 848.50 811.00 782.00 313.50 339.00 28.50 1.55 a 36.88 b 61.00 471.00 626.00 952.50 5271.43
1982 1116.50 925.00 749.00 567.00 396.50 168.00 10.00 4.50 167.00 584.50 903.50 1019.50 6611.00
1983 911.00 802.50 919.50 734.00 500.00 176.00 2.50 0.00 103.50 376.50 783.62 a 1457.00 a 6766.12
1984 1122.00 911.00 889.50 709.00 239.50 121.00 0.00 3.00 211.50 682.00 736.00 988.50 6613.00
1985 1169.50 1063.50 763.00 483.00 237.50 64.00 4.00 9.00 251.50 488.00 1007.59 a 1068.98 a 6609.57
1986 767.00 850.50 553.00 506.50 309.50 64.00 0.00 0.52 a 196.50 516.50 804.50 1062.00 5630.52
1987 1059.50 849.00 870.00 491.00 249.50 38.50 24.50 39.78 a 152.00 456.50 748.50 1117.50 6096.28
1988 1206.50 939.00 821.00 531.50 236.00 34.00 14.00 5.50 165.50 393.50 748.00 1008.00 6102.50
1989 999.23 a 1213.50 727.50 487.00 308.00 160.00 0.00 10.00 179.50 462.50 728.89 c 1188.00 6464.12
1990 942.00 945.50 896.00 579.50 349.50 25.50 38.00 13.00 82.00 466.00 649.00 1234.50 6220.50
1991 1073.50 696.50 727.00 584.50 262.50 52.00 17.50 13.00 137.00 472.00 885.50 969.50 5890.50
1992 973.00 725.50 693.00 399.50 213.00 109.00 19.50 52.50 95.00 364.50 932.50 1101.00 5678.00
1993 1170.50 996.50 710.00 545.50 242.00 112.00 13.50 37.50 218.00 521.00 901.50 948.00 6416.00
1994 913.00 935.50 682.00 550.00 157.00 10.00 7.50 3.00 87.50 454.50 851.00 855.50 5506.50
1995 999.00 729.00 764.50 664.00 485.50 136.50 28.50 14.50 213.00 474.50 668.50 924.50 6102.00
1996 1124.00 880.00 891.00 485.00 255.00 38.50 5.00 14.00 236.00 442.50 793.50 960.50 6125.00
1997 1123.00 943.50 713.00 728.50 305.00 58.00 3.50 37.00 107.50 467.50 863.00 1083.50 6433.00
1998 931.50 868.00 879.00 663.50 226.50 168.00 3.00 6.50 61.00 491.50 715.50 1053.50 6067.50
1999 945.50 726.96 a 713.50 689.00 368.38 a 113.79 a 2.00 13.50 284.50 455.50 551.00 952.50 5816.14
2000 993.50 828.50 796.50 526.20 e 244.00 71.38 a 1.03 a 0.00 e 197.50 490.32 a 1057.00 1167.50 6373.43
2001 1115.50 1009.56 a 855.71 b 559.50 334.59 b 83.89 c 0.00 a 6.20 a 91.50 482.00 708.00 1049.35 a 6295.79
2002 1100.00 950.50 1019.00 492.00 361.00 32.00 0.00 17.50 172.00 667.00 877.00 987.50 6675.50
2003 913.00 1054.50 795.50 519.00 328.00 132.00 0.00 12.00 203.50 337.38 a 922.00 1002.00 6218.88
2004 1081.50 1028.00 571.50 487.00 232.50 107.50 16.50 38.00 124.00 427.00 762.50 908.00 5784.00
2005 878.50 785.50 747.00 526.00 275.00 72.50 4.00 15.00 81.50 401.00 612.50 967.00 5365.50
2006 779.00 883.50 772.00 353.50 182.50 8.50 12.00 11.00 200.50 452.50 640.00 923.50 5218.50
2007 1184.00 894.50 592.21 b 557.00 225.50 49.50 0.00 1.00 68.00 330.15 a 657.00 1062.50 5621.36
2008 0.00 z 840.50 755.00 560.50 277.50 50.00 0.00 33.50 148.00 424.00 609.50 1089.00 4787.50
2009 855.00 708.00 645.50 578.50 223.00 98.00 13.00 11.00 139.00 676.00 622.50 1187.50 5757.00
2010 992.00 981.00 762.00 486.00 360.00 40.00 6.50 0.00 49.00 322.50 752.00 846.50 5597.50
2011 1005.50 197.50 x 0.00 z 194.50 t 471.20 a 37.78 c 0.00 a 0.00 a 129.00 425.45 b 748.50 1100.50 3917.93
2012 880.00 1025.00 531.00 348.00 204.50 12.41 a 0.00 4.50 106.00 513.50 688.50 993.50 5306.91
2013 1039.50 945.00 849.00 38.50 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 2833.50
Period of Record Statistics
MEAN 1038.42 889.32 786.31 540.93 292.75 78.06 8.27 15.27 148.84 444.20 766.69 1019.06 6032.23
S.D. 134.00 114.11 127.24 100.52 85.87 48.35 12.49 13.87 68.96 104.44 114.03 120.90 409.98
SKEW 0.22 0.25 0.38 0.14 0.40 0.40 2.33 0.83 0.44 0.83 0.44 0.88 -0.20
MAX 1385.00 1213.50 1166.00 765.00 500.00 176.00 61.00 52.50 338.50 760.50 1057.00 1457.00 6766.12
MIN 767.00 696.50 531.00 313.50 145.50 4.50 0.00 0.00 34.50 234.00 551.00 762.48 5218.50
NO YRS 50 50 50 48 50 50 50 51 51 51 51 50 47