FT COLLINS 4 E, COLORADO

Monthly Total Heating Degree Days

(053006)

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
1994 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 104.00 497.00 878.00 1041.50 2520.50
1995 1099.50 872.00 789.00 665.00 475.50 126.50 16.00 1.50 229.00 541.00 759.50 1035.00 6609.50
1996 1253.50 965.00 909.00 516.00 266.50 29.00 2.00 7.50 196.00 488.50 879.50 1039.00 6551.50
1997 1289.00 963.00 760.50 708.00 270.50 40.50 3.50 20.50 125.50 517.50 921.00 1090.50 6710.00
1998 1039.50 868.00 871.50 568.50 207.50 149.00 1.00 0.50 70.00 513.00 730.00 1199.50 6218.00
1999 1005.00 759.50 712.50 657.00 315.50 80.00 0.00 4.00 232.00 494.50 683.00 944.50 5887.50
2000 1021.50 794.00 751.00 439.00 187.50 63.00 0.00 3.00 181.50 495.00 1049.50 1174.00 6159.00
2001 1113.50 1022.00 804.00 463.00 282.62 a 53.00 0.00 1.50 88.50 490.00 736.00 1060.50 6114.62
2002 1161.00 919.50 980.50 453.50 313.00 19.00 0.00 16.50 138.50 669.50 864.00 995.50 6530.50
2003 922.50 1023.50 757.00 455.50 256.00 96.00 0.00 12.50 195.00 341.00 880.50 1053.50 5993.00
2004 1069.50 1007.50 585.00 495.50 184.50 108.00 23.50 50.00 141.50 467.50 864.50 1026.00 6023.00
2005 1063.00 823.00 768.00 529.50 282.00 91.00 3.00 19.50 111.50 443.00 717.00 1116.50 5967.00
2006 888.50 981.00 855.50 407.00 192.00 2.50 3.50 10.50 215.00 540.00 803.50 1143.50 6042.50
2007 1419.00 1006.50 600.50 541.00 240.50 41.00 0.00 1.00 120.00 420.50 779.00 1283.00 6452.00
2008 1238.50 903.50 796.50 575.00 299.50 56.00 0.00 28.50 183.50 483.00 705.00 1245.00 6514.00
2009 1009.50 814.50 757.00 577.50 226.00 102.50 13.00 17.00 138.00 720.50 765.00 1357.00 6497.50
2010 1148.00 1033.00 745.00 527.00 357.50 44.50 8.50 0.00 73.00 369.00 857.00 1002.50 6165.00
2011 1162.50 1061.00 693.00 516.00 389.00 42.50 0.00 0.00 126.00 448.00 818.00 1199.50 6455.50
2012 948.00 993.00 515.00 337.00 201.50 2.00 0.00 5.00 90.00 550.50 756.50 1122.00 5520.50
2013 1131.00 989.00 828.98 b 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 2948.98
Period of Record Statistics
MEAN 1104.34 936.76 762.08 523.94 274.84 63.67 4.11 11.06 145.18 499.42 812.97 1112.03 6245.03
S.D. 133.25 90.89 111.65 93.75 76.90 41.69 6.79 12.95 52.04 88.19 90.74 108.27 312.78
SKEW 0.51 -0.55 -0.38 0.16 0.99 0.37 1.76 1.63 0.26 0.75 0.75 0.62 -0.46
MAX 1419.00 1061.00 980.50 708.00 475.50 149.00 23.50 50.00 232.00 720.50 1049.50 1357.00 6710.00
MIN 888.50 759.50 515.00 337.00 184.50 2.00 0.00 0.00 70.00 341.00 683.00 944.50 5520.50
NO YRS 19 19 19 18 18 18 18 18 19 19 19 19 18