DURANGO, COLORADO

Monthly Total Heating Degree Days

(052441)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201301
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
1991 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 386.50 946.50 1185.50 2518.50
1992 1302.00 941.00 754.00 436.00 270.50 130.00 34.50 50.50 144.50 377.50 995.50 1328.50 6764.50
1993 1168.50 970.00 770.50 577.50 309.00 139.50 9.50 47.00 209.00 529.00 975.50 1174.50 6879.50
1994 1102.50 1065.00 696.00 566.50 299.50 22.00 3.50 2.00 111.00 568.00 962.00 1034.00 6432.00
1995 1203.00 755.50 780.00 665.50 466.50 172.00 42.00 0.00 173.50 464.50 707.50 1030.00 6460.00
1996 1159.50 852.00 773.00 497.00 187.00 4.50 0.00 1.50 217.50 522.50 816.50 1142.50 6173.50
1997 1210.50 958.50 716.50 620.50 279.50 89.50 12.00 10.50 98.50 512.00 826.50 1184.50 6519.00
1998 1114.00 984.00 814.50 632.50 317.50 160.00 0.50 0.00 64.00 505.00 791.00 1051.00 6434.00
1999 1001.50 790.00 673.00 629.50 375.00 103.00 n 0.00 20.50 181.50 390.50 641.50 1093.00 5796.00
2000 1067.00 827.50 789.00 418.50 209.50 15.00 0.00 3.00 77.50 484.00 996.50 1078.00 5965.50
2001 1177.00 948.50 766.50 501.00 167.00 47.00 0.00 7.00 42.00 401.50 722.50 1197.00 5977.00
2002 1184.50 954.50 827.50 394.50 250.00 13.00 0.00 3.00 133.00 523.50 808.50 1127.50 6219.50
2003 943.00 898.00 787.00 564.00 254.50 54.00 0.00 3.50 111.50 295.00 821.00 1067.50 5799.00
2004 1166.00 1072.50 575.50 545.00 255.50 38.50 14.50 33.50 180.00 519.00 810.00 1067.50 6277.50
2005 989.50 835.50 807.00 521.50 277.00 126.00 0.00 4.50 120.00 431.00 774.00 1116.50 6002.50
2006 1056.50 864.00 846.50 477.00 201.00 26.50 4.00 7.00 245.50 512.50 743.00 1106.00 6089.50
2007 1167.00 865.50 650.00 512.00 293.00 61.50 0.00 0.00 122.00 421.00 678.50 1201.50 5972.00
2008 1346.50 1031.50 786.50 556.00 336.00 80.50 0.00 0.00 150.50 444.50 771.50 1188.50 6692.00
2009 1190.50 892.50 783.50 558.50 244.50 133.50 0.00 20.00 178.50 679.50 769.00 1441.00 6891.00
2010 1311.00 1056.50 916.00 571.00 357.50 63.00 0.50 5.50 98.50 421.00 950.00 1060.20 a 6810.70
2011 1323.18 a 0.00 z 762.60 a 577.00 453.50 95.00 1.07 b 0.00 120.00 513.50 1177.00 0.00 z 5022.85
2012 1116.00 753.48 a 0.00 z 250.50 k 301.50 0.00 z 3.62 a 9.82 a 98.00 f 484.50 793.00 1238.50 4700.42
2013 1472.00 1096.00 801.00 34.00 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 3369.00
Period of Record Statistics
MEAN 1171.42 924.38 765.53 541.05 290.71 77.42 5.99 10.90 138.93 472.09 839.86 1148.25 6353.26
S.D. 125.97 103.87 72.76 72.41 77.47 53.14 11.60 15.17 53.06 80.52 128.52 101.26 351.79
SKEW 0.36 0.01 -0.69 -0.36 0.69 0.30 2.24 1.65 0.19 0.22 0.80 1.27 0.14
MAX 1472.00 1096.00 916.00 665.50 466.50 172.00 42.00 50.50 245.50 679.50 1177.00 1441.00 6891.00
MIN 943.00 753.48 575.50 394.50 167.00 4.50 0.00 0.00 42.00 295.00 641.50 1030.00 5799.00
NO YRS 22 21 21 20 21 19 21 21 20 22 22 21 18