ASPEN 1 SW, COLORADO

Monthly Total Heating Degree Days

(050372)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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
1980 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 66.00 164.50 312.50 711.00 1009.50 1014.50 3278.00
1981 1172.00 1098.50 1071.50 662.50 582.00 216.50 97.00 153.50 304.00 728.00 922.00 1289.50 8297.00
1982 1416.00 1194.00 1088.00 903.50 613.00 364.00 154.00 116.00 370.50 809.00 1110.50 1338.68 a 9477.18
1983 1308.00 1089.93 a 1070.50 960.00 696.00 354.00 93.50 90.00 274.50 627.00 1026.50 1397.00 8986.93
1984 1480.00 1196.50 1126.50 935.00 481.00 347.00 87.00 137.00 345.50 865.93 a 1026.50 1290.00 9317.93
1985 1414.50 1297.00 1035.92 a 732.00 497.50 226.00 121.50 110.00 453.00 658.50 1076.50 1277.50 8899.92
1986 0.00 z 1033.50 853.50 750.50 535.00 190.00 152.00 136.00 435.00 747.50 999.11 b 1306.00 7138.11
1987 1379.00 1047.50 1071.50 705.50 511.50 198.00 113.50 158.50 348.10 a 566.50 1029.50 1383.00 8512.10
1988 1470.50 1144.50 1133.50 740.00 520.00 121.50 38.50 84.50 398.00 556.50 1088.00 1376.50 8672.00
1989 1435.50 1172.00 891.50 696.50 480.50 273.00 71.00 183.50 307.00 639.00 967.50 1360.50 8477.50
1990 1364.50 1081.00 923.50 693.50 565.50 182.50 138.00 145.50 234.00 664.50 949.50 1456.00 8398.00
1991 1450.50 1014.00 1063.00 798.00 459.00 231.50 116.50 120.50 341.50 610.50 1121.00 1377.00 8703.00
1992 1420.50 1127.50 986.50 668.50 496.00 359.50 255.00 237.00 365.50 590.50 1272.00 1473.50 9252.00
1993 1329.00 1203.50 1045.50 909.00 576.00 370.50 241.50 225.50 428.00 724.00 0.00 z 1374.00 8426.50
1994 1297.00 1177.00 985.00 778.50 452.00 155.00 107.50 90.50 340.50 709.50 1103.50 0.00 z 7196.00
1995 1324.50 919.50 994.00 841.00 679.00 326.00 199.50 98.50 315.50 744.00 926.00 0.00 z 7367.50
1996 1380.00 1054.50 0.00 z 810.50 413.00 219.50 60.50 154.50 434.50 715.00 982.50 1378.50 7603.00
1997 1324.50 1176.50 979.50 897.00 525.00 211.00 112.00 165.00 289.50 704.50 1036.50 1350.00 8771.00
1998 1253.50 1126.00 1093.50 864.50 420.50 345.50 58.00 96.00 189.00 0.00 z 916.50 1281.00 7644.00
1999 1213.00 1033.50 844.50 835.00 571.00 254.00 81.50 121.50 375.50 576.00 754.50 1270.00 7930.00
2000 1181.50 1001.50 958.50 632.00 384.00 206.00 40.50 76.00 285.00 599.50 1253.00 1308.50 7926.00
2001 1344.00 1096.15 a 980.00 686.00 437.00 170.50 55.50 106.00 254.00 598.50 897.00 1342.00 7966.65
2002 1339.00 1229.50 1134.50 626.50 444.50 104.50 24.80 a 73.00 292.50 703.00 1063.50 1253.00 8288.30
2003 1129.00 1132.50 1010.00 729.00 461.50 270.50 2.50 69.00 341.50 472.00 1046.00 1257.50 7921.00
2004 1313.50 1201.00 844.00 669.50 452.00 237.00 117.50 170.00 356.50 665.50 964.50 1283.00 8274.00
2005 1140.00 1066.00 1040.00 739.50 467.00 299.00 57.00 165.00 286.00 589.00 977.50 1357.00 8183.00
2006 1274.00 1138.00 1035.50 656.00 414.00 137.00 54.00 123.50 443.50 718.00 947.00 1294.50 8235.00
2007 1392.50 1048.00 901.00 672.00 470.50 186.00 19.00 45.00 269.00 638.50 862.00 1374.50 7878.00
2008 1485.00 1197.50 1090.00 897.50 581.50 255.50 48.50 96.50 310.00 627.50 898.00 1349.00 8836.50
2009 1272.00 1050.50 986.50 839.50 435.00 305.50 87.50 153.00 277.00 797.50 888.00 1458.00 8550.00
2010 1291.50 1194.00 1002.00 783.00 595.50 205.50 85.00 143.50 248.00 624.00 1103.50 1170.50 8446.00
2011 1438.50 1287.00 1026.50 862.00 670.00 237.50 84.50 69.50 319.50 684.50 1047.00 1334.00 9060.50
2012 1308.00 1214.50 920.18 a 629.00 459.50 0.00 z 59.50 97.50 313.00 647.50 884.50 1300.00 7833.18
2013 1478.50 1255.00 1046.50 47.00 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 3780.00
Period of Record Statistics
MEAN 1338.11 1130.23 1007.27 768.83 510.80 243.85 93.93 126.53 329.00 666.01 1004.66 1324.99 8530.38
S.D. 100.01 88.03 82.33 99.81 81.62 75.15 57.83 44.36 64.11 81.88 108.43 86.84 461.90
SKEW -0.41 -0.15 -0.46 0.27 0.69 0.17 1.13 0.50 0.23 0.18 0.36 -1.33 0.35
MAX 1485.00 1297.00 1134.50 960.00 696.00 370.50 255.00 237.00 453.00 865.93 1272.00 1473.50 9477.18
MIN 1129.00 919.50 844.00 626.50 384.00 104.50 2.50 45.00 189.00 472.00 754.50 1014.50 7878.00
NO YRS 32 33 32 32 32 31 33 33 33 32 32 31 25