GREELEY UNC, COLORADO

Monthly Total Heating Degree Days

(053553)

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
1967 0.00 z 0.00 z 629.00 423.50 340.50 91.50 0.00 23.00 139.00 427.50 855.00 1261.00 4190.00
1968 1174.00 895.50 749.50 663.50 341.00 20.00 3.00 20.50 117.50 378.50 842.50 1122.00 6327.50
1969 1033.00 837.00 942.40 a 321.50 139.00 109.50 0.00 0.00 25.00 722.00 784.00 1010.50 5923.90
1970 1023.50 720.50 912.50 576.00 135.50 73.00 0.00 0.00 172.50 569.50 751.50 1074.00 6008.50
1971 1167.50 943.00 828.00 478.50 278.50 13.00 12.50 0.00 243.00 464.00 796.00 1070.00 6294.00
1972 1207.00 822.50 572.00 428.00 227.50 7.50 25.83 a 12.50 107.00 425.00 1002.00 1352.50 6189.33
1973 1241.50 954.50 802.50 610.00 237.50 38.50 16.50 0.00 152.00 304.50 842.50 1066.00 6266.00
1974 1276.50 796.00 645.00 455.00 110.00 49.00 0.00 13.50 195.50 393.00 764.50 1042.00 5740.00
1975 1037.00 901.00 786.00 568.00 272.50 64.50 2.50 3.50 176.00 382.50 869.50 1021.00 6084.00
1976 1161.00 770.50 862.00 469.50 218.50 47.50 0.00 3.50 144.50 504.50 870.00 984.50 6036.00
1977 1210.50 769.00 777.50 409.00 103.00 0.00 0.00 8.50 35.50 358.50 766.50 985.50 5423.50
1978 1303.00 1041.50 674.50 424.00 315.50 73.00 1.00 8.78 a 106.50 443.50 870.50 1389.00 6650.78
1979 1523.00 942.50 741.00 465.00 327.50 80.00 0.00 27.00 72.00 386.50 1015.00 1124.50 6704.00
1980 1353.00 1087.50 925.87 a 547.00 284.00 15.50 0.00 4.50 60.50 463.50 768.50 824.08 a 6333.95
1981 970.50 880.00 759.50 308.50 281.50 26.00 5.50 10.00 35.00 470.00 658.00 1022.50 5427.00
1982 1168.00 943.50 730.50 510.50 270.50 87.50 5.50 0.00 155.00 473.00 895.00 1081.00 6320.00
1983 986.50 773.00 813.00 677.00 370.50 115.00 3.50 0.00 91.50 382.50 846.50 1514.50 6573.50
1984 1351.00 960.00 838.00 655.50 176.00 51.00 0.00 0.00 204.00 599.00 775.00 1100.50 6710.00
1985 1299.50 1103.50 710.93 a 399.50 167.00 46.00 0.00 2.50 249.00 508.50 1133.50 1317.50 6937.43
1986 1020.93 a 841.50 554.00 449.00 236.00 15.50 0.00 0.00 134.00 493.50 825.00 1085.50 5654.93
1987 1059.00 803.50 842.00 368.00 168.50 14.00 10.50 24.80 a 119.50 432.00 769.50 1164.00 5775.30
1988 1371.50 946.00 798.00 439.00 209.00 7.50 1.00 1.00 120.50 349.50 749.50 1164.50 6157.00
1989 1046.00 1220.50 707.50 431.00 184.50 70.00 1.00 2.50 161.50 449.50 736.50 1232.00 6242.50
1990 987.50 919.50 789.50 435.50 271.00 10.50 15.00 2.50 60.50 451.00 724.50 1308.00 5975.00
1991 1240.00 746.00 700.00 484.00 152.50 13.00 8.00 3.00 116.50 429.00 929.00 1021.00 5842.00
1992 1098.00 731.00 660.00 318.50 165.50 39.00 12.50 41.50 63.00 373.50 956.00 1347.00 5805.50
1993 1355.00 1079.00 702.00 504.00 185.50 75.50 3.50 16.00 158.00 498.00 962.50 1025.50 6564.50
1994 1008.50 1065.00 650.50 480.00 113.50 3.00 1.50 3.50 70.00 449.50 863.00 1012.00 5720.00
1995 1073.50 814.50 724.50 612.50 414.50 94.50 3.00 0.00 168.00 456.00 685.50 989.00 6035.50
1996 1172.00 913.50 823.00 437.00 205.50 12.50 0.00 1.50 143.50 416.00 832.00 993.00 5949.50
1997 1230.00 904.00 640.50 613.50 180.50 17.00 0.50 6.00 75.50 447.50 855.50 1046.00 6016.50
1998 1005.50 795.50 791.00 477.00 136.50 96.00 0.50 0.00 32.00 425.50 668.00 1153.50 5581.00
1999 924.00 676.50 606.50 563.50 235.00 45.00 0.00 0.00 157.00 390.60 a 597.50 900.50 5096.10
2000 967.50 727.50 683.00 369.00 146.50 48.00 0.00 0.00 151.50 427.00 1019.00 1156.50 5695.50
2001 1071.50 1019.00 745.00 405.00 230.00 38.00 0.00 0.00 50.50 430.00 699.50 996.00 5684.50
2002 1083.00 826.00 938.00 341.00 222.50 11.00 0.00 2.00 71.00 623.00 837.50 986.00 5941.00
2003 895.00 958.00 644.50 375.50 196.50 50.50 0.00 10.00 124.00 279.50 831.50 1050.00 5415.00
2004 1067.50 932.50 475.50 396.50 102.50 50.50 16.50 6.00 47.00 327.00 840.50 941.50 5203.50
2005 984.50 725.50 615.50 418.50 198.00 46.00 0.00 j 3.58 e 31.00 338.50 658.00 1104.50 5123.58
2006 837.50 935.00 807.00 281.50 119.50 0.00 0.00 0.00 e 139.20 e 423.00 719.50 1109.50 5371.70
2007 1389.50 1058.50 512.00 431.50 132.50 23.50 0.00 0.00 50.50 276.50 684.00 1271.50 5830.00
2008 1275.00 846.00 642.50 439.00 173.50 28.50 0.00 16.00 59.50 354.00 591.50 1156.50 5582.00
2009 920.50 709.50 605.50 432.00 108.50 45.50 6.00 1.00 83.00 585.00 710.00 1276.50 5483.00
2010 1082.00 942.00 629.50 410.50 271.50 28.50 0.00 0.00 9.00 236.50 769.50 924.00 5303.00
2011 1087.50 949.93 a 590.50 406.55 a 264.00 9.83 a 0.00 0.00 59.48 a 364.00 716.50 1156.50 5604.79
2012 883.00 929.50 436.00 233.00 111.50 0.00 0.00 0.00 a 27.50 441.50 712.00 1027.50 4801.50
2013 1112.00 925.00 769.50 16.50 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 2806.50
Period of Record Statistics
MEAN 1124.64 893.06 718.78 455.25 211.54 41.32 3.45 6.06 107.91 430.93 805.41 1107.84 5915.46
S.D. 155.45 121.42 117.96 100.75 77.92 31.71 5.91 9.07 59.66 91.74 114.16 141.17 467.55
SKEW 0.40 0.34 -0.17 0.36 0.54 0.61 2.01 1.99 0.36 0.69 0.55 0.74 0.03
MAX 1523.00 1220.50 942.40 677.00 414.50 115.00 25.83 41.50 249.00 722.00 1133.50 1514.50 6937.43
MIN 837.50 676.50 436.00 233.00 102.50 0.00 0.00 0.00 9.00 236.50 591.50 824.08 4801.50
NO YRS 46 46 47 46 46 46 45 46 46 46 46 46 44