EVERGREEN, COLORADO

Monthly Total Heating Degree Days

(052790)

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
1961 0.00 z 0.00 z 0.00 z 0.00 z 51.50 x 197.50 82.50 106.50 472.00 661.00 1005.50 1280.00 3805.00
1962 1374.00 994.50 1041.00 591.50 393.00 214.00 36.00 0.00 z 0.00 z 523.00 806.00 1030.00 7003.00
1963 1362.00 872.50 999.00 667.50 364.00 171.50 21.00 82.50 158.50 449.50 797.50 1135.50 7081.00
1964 1207.00 1207.00 1141.50 743.00 460.50 262.00 12.50 138.50 310.00 582.50 894.00 1081.50 8040.00
1965 1018.50 1012.50 1277.50 656.00 493.00 259.00 64.50 148.00 472.50 520.50 755.50 990.00 7667.50
1966 1175.00 1161.00 859.50 712.50 406.00 210.00 6.50 108.50 252.50 597.00 804.00 1133.50 7426.00
1967 1069.50 990.00 831.50 725.50 577.00 320.00 79.00 172.50 318.50 573.50 0.00 z 1297.50 6954.50
1968 1165.00 1017.50 963.50 847.00 576.00 217.50 122.00 159.50 375.00 596.00 1033.00 1179.50 8251.50
1969 1061.50 999.00 1193.50 626.50 465.50 360.50 44.50 57.50 296.50 886.00 936.50 1123.00 8050.50
1970 1145.50 875.00 1112.50 870.50 449.50 258.00 58.50 60.50 363.50 768.50 928.50 1102.50 7993.00
1971 1140.00 1073.50 1000.00 724.00 578.50 195.50 117.00 89.00 387.50 653.50 912.50 1185.50 8056.50
1972 1144.00 998.50 0.00 z 0.00 z 0.00 z 185.00 100.50 106.50 0.00 z 624.00 1134.50 1318.00 5611.00
1973 1313.37 a 1067.50 1056.50 932.00 570.00 228.10 a 144.00 80.08 a 376.50 608.50 906.21 a 1183.68 a 8466.44
1974 1236.90 a 1008.52 a 835.45 a 753.50 368.50 164.50 55.00 184.00 441.50 607.60 a 933.50 1243.00 7831.97
1975 1180.00 1097.00 1040.00 818.50 594.00 273.62 a 64.14 b 123.00 387.00 595.72 a 965.50 1019.50 8157.98
1976 1152.00 914.00 1039.50 709.50 514.00 240.00 62.00 147.00 357.50 761.00 966.00 1112.00 7974.50
1977 1191.00 972.74 a 1057.50 709.00 456.00 105.00 59.50 121.00 250.50 619.50 869.50 0.00 z 6411.24
1978 1264.00 1081.50 863.00 679.00 519.00 215.00 65.00 146.50 299.00 613.80 a 904.50 1363.50 8013.80
1979 1464.75 a 1035.00 968.00 0.00 z 578.00 284.00 68.00 0.00 z 257.59 a 591.00 1093.39 b 1062.27 a 7402.00
1980 1253.95 a 976.68 a 1041.00 808.00 561.74 b 140.89 b 29.00 105.00 246.00 729.50 898.97 a 902.00 7692.73
1981 1067.95 a 946.00 1009.57 a 580.00 534.50 142.00 58.90 a 139.00 248.00 632.06 d 809.00 1120.00 7286.97
1982 1133.50 1025.00 898.00 716.00 530.00 318.50 121.33 b 49.50 347.50 741.50 1041.00 1193.50 8115.33
1983 1105.50 985.50 1057.00 951.50 668.00 312.50 62.00 18.50 206.00 584.00 929.50 0.00 z 6880.00
1984 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 25.50 75.50 0.00 z 828.00 874.00 1079.00 2882.00
1985 1284.95 a 1120.50 915.00 623.50 440.50 151.50 69.50 83.00 400.50 605.03 b 1028.50 1107.00 7829.48
1986 946.50 908.44 a 784.00 608.00 532.00 166.00 82.50 89.50 385.00 689.00 936.50 1172.50 7299.94
1987 1186.50 999.70 a 1032.00 667.00 444.00 184.50 62.00 a 129.00 342.50 608.50 925.00 1243.50 7824.20
1988 1315.50 1035.00 1042.50 654.50 462.00 114.50 54.50 48.50 359.50 525.50 891.50 1210.00 7713.50
1989 1182.13 a 1233.50 790.50 641.50 446.50 273.50 55.50 124.50 322.00 665.00 814.29 b 1221.29 b 7770.21
1990 1104.38 c 1027.50 951.50 684.00 538.00 153.50 129.00 129.50 216.00 602.50 811.50 1336.00 7683.38
1991 1265.00 918.50 902.00 726.50 446.50 168.50 94.00 103.00 307.00 640.50 1000.00 1094.00 7665.50
1992 1141.00 948.50 891.00 565.50 409.50 266.50 120.50 181.87 a 249.50 533.50 1085.50 1205.00 7597.87
1993 1209.50 1089.50 866.50 734.00 477.00 241.50 104.50 147.00 369.50 711.50 1019.50 1102.50 8072.50
1994 1079.00 1048.50 858.00 715.50 346.00 94.50 63.50 52.00 244.50 656.00 946.00 1037.50 7141.00
1995 1181.50 889.00 913.50 824.50 630.50 288.50 117.00 42.50 334.50 628.00 800.50 1088.00 7738.00
1996 1242.00 1036.00 1017.50 701.50 377.00 142.50 39.00 86.00 364.50 600.50 868.50 1099.50 7574.50
1997 1219.50 1084.00 865.50 863.00 458.50 177.41 a 93.50 99.00 217.00 613.00 970.50 1225.00 7885.91
1998 1042.50 1004.00 990.50 790.00 409.00 273.00 39.50 65.50 175.00 606.50 846.50 1219.00 7461.00
1999 1062.00 867.00 802.50 824.00 478.00 222.50 25.83 a 84.00 370.18 b 618.50 707.50 1108.50 7170.51
2000 1068.00 889.68 a 892.28 a 603.00 363.50 169.50 5.00 26.50 281.00 657.50 1152.00 1205.50 7313.46
2001 1231.45 b 1044.30 a 953.00 659.50 444.00 146.00 15.00 14.50 220.50 611.00 824.00 1124.00 7287.24
2002 1175.00 1073.50 1059.00 637.00 498.00 113.00 11.50 72.00 293.00 780.50 960.00 1076.50 7749.00
2003 986.50 1131.00 952.00 637.00 469.50 255.50 7.50 37.50 324.50 502.00 967.50 1047.50 7318.00
2004 1132.00 1148.50 729.00 672.00 410.00 249.00 112.50 168.50 295.50 588.50 915.00 1047.50 7468.00
2005 997.00 939.00 947.00 751.50 486.50 203.00 34.50 121.00 239.50 597.50 799.00 1180.00 7295.50
2006 1011.50 1050.00 1000.00 591.50 403.00 110.50 38.50 81.00 402.50 633.50 858.00 1123.00 7303.00
2007 1393.50 963.00 810.00 760.00 464.00 195.00 30.50 0.00 z 231.00 553.50 842.50 1270.50 7513.50
2008 1329.50 1036.50 992.00 783.00 522.50 196.00 21.50 101.00 351.00 608.00 772.50 1173.50 7887.00
2009 1081.00 907.50 854.50 791.00 423.00 254.50 93.50 129.00 305.50 847.00 812.50 1358.00 7857.00
2010 1184.50 1187.50 958.50 699.50 581.00 176.00 50.00 51.00 221.50 552.50 919.00 997.00 7578.00
2011 1170.00 1176.00 834.50 683.50 600.50 189.00 11.50 22.00 313.50 603.50 895.00 1246.00 7745.00
2012 1047.50 1140.50 756.00 562.50 432.50 103.00 17.50 66.00 250.50 632.50 789.50 1141.50 6939.50
2013 1228.00 1125.00 1008.00 46.50 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 3361.00
Period of Record Statistics
MEAN 1171.03 1026.12 953.07 714.06 482.65 206.92 60.73 97.42 310.41 631.12 908.96 1151.89 7680.79
S.D. 111.55 91.80 113.33 92.77 76.61 63.47 37.19 44.55 74.02 85.62 98.90 99.45 347.73
SKEW 0.35 0.21 0.33 0.55 0.31 0.21 0.38 0.05 0.12 0.97 0.42 0.11 -0.08
MAX 1464.75 1233.50 1277.50 951.50 668.00 360.50 144.00 184.00 472.50 886.00 1152.00 1363.50 8466.44
MIN 946.50 867.00 729.00 562.50 346.00 94.50 5.00 14.50 158.50 449.50 707.50 902.00 6939.50
NO YRS 51 51 50 48 49 51 52 49 49 52 51 50 43