LITTLE HILLS, COLORADO

Monthly Total Heating Degree Days

(055048)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 199109
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
1946 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 o 49.00 277.00 679.00 997.00 1064.00 3066.00
1947 1391.50 954.50 925.50 658.50 343.50 248.28 a 15.50 53.00 196.50 525.50 1137.00 1311.50 7760.78
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 63.50 213.46 d 678.00 1157.50 1301.00 3413.46
1949 1672.00 1255.50 882.00 582.00 419.00 213.50 35.50 90.50 269.50 736.00 808.00 1278.00 8241.50
1950 1348.00 1095.11 a 1006.50 711.50 584.50 333.00 154.50 165.00 357.50 566.00 901.50 1152.00 8375.11
1951 1396.50 989.50 1026.50 693.50 434.50 284.00 32.00 76.00 322.50 683.50 1120.50 1343.00 8402.00
1952 1469.50 1313.00 1215.95 b 665.00 444.00 150.00 62.50 82.50 247.00 601.50 1168.00 1327.00 8745.95
1953 1072.50 1170.00 927.00 781.00 556.00 163.00 4.50 77.00 276.50 640.50 869.50 1316.00 7853.50
1954 1150.50 932.00 1022.50 580.50 403.50 210.50 6.00 77.50 249.00 554.50 883.00 1338.50 7408.00
1955 1418.50 1317.00 1091.50 803.50 505.50 283.00 50.50 41.00 290.50 707.00 1032.00 1085.00 8625.00
1956 1062.00 1335.00 1030.50 723.00 235.00 n 81.00 g 46.00 132.00 258.50 655.50 1194.00 1448.00 7884.50
1957 0.00 z 0.00 z 0.00 z 0.00 z 67.00 y 186.50 0.50 t 34.50 o 332.50 583.00 1066.00 1210.00 3378.00
1958 1337.00 898.07 a 1027.50 775.50 406.50 181.00 99.00 63.00 331.00 713.50 1072.50 d 1132.50 8037.07
1959 1321.63 a 1096.00 1044.00 722.50 475.00 116.00 37.50 55.50 308.50 667.00 944.00 1225.50 8013.13
1960 1404.50 1346.50 944.50 626.00 457.50 147.00 41.00 67.00 188.50 602.50 877.50 1307.50 8010.00
1961 1331.00 974.50 920.00 718.50 400.50 108.50 17.00 6.50 419.50 657.00 1031.38 a 1320.50 7904.88
1962 1506.50 985.00 1158.00 580.34 a 432.00 198.62 a 49.00 98.50 257.50 547.00 827.50 1259.50 7899.47
1963 1557.00 904.50 1006.00 699.50 371.48 a 208.00 22.50 39.00 211.00 463.50 874.50 1347.98 a 7704.97
1964 1463.00 1365.50 1209.00 739.00 431.00 213.00 5.50 126.00 296.00 551.50 1040.17 a 1187.41 c 8627.08
1965 1205.38 a 1140.22 a 1188.50 689.00 469.00 245.69 a 49.50 122.00 257.50 k 44.50 z 828.00 1262.50 7199.79
1966 1392.00 1249.00 971.00 771.50 438.50 220.00 12.50 93.00 297.86 b 711.50 834.00 1421.50 8412.36
1967 1339.50 1052.50 789.00 663.00 479.00 238.00 12.50 26.50 219.00 569.50 885.50 1502.50 7776.50
1968 1507.12 a 1108.50 949.50 875.17 a 548.00 212.50 62.50 180.50 405.00 654.50 1032.50 1383.50 8919.29
1969 1190.00 1137.00 1159.50 606.50 339.50 247.00 16.50 15.00 216.50 826.50 1043.50 1221.50 8019.00
1970 1252.50 918.50 1063.50 828.75 b 431.00 231.00 23.77 a 7.00 360.00 a 827.91 b 910.50 1219.00 8073.43
1971 1227.60 a 1130.64 c 1031.50 728.79 a 517.70 a 196.55 a 18.50 13.00 463.20 e 703.50 1050.50 1388.00 8469.49
1972 1251.88 a 1027.50 806.00 648.00 471.50 120.00 a 44.00 94.50 290.36 b 577.38 c 1084.50 1522.62 a 7938.23
1973 1611.00 1275.50 1048.00 809.50 493.00 230.50 65.44 d 32.50 346.00 614.46 c 997.50 1335.38 e 8858.79
1974 608.00 r 1236.00 861.00 749.00 393.70 a 144.00 18.60 a 106.00 349.50 611.00 959.00 1434.00 6861.80
1975 1385.50 1119.50 646.00 j 841.00 564.00 278.50 13.50 127.00 349.00 672.00 1052.50 1232.77 a 7635.27
1976 1392.00 1018.00 1116.50 684.00 404.00 148.00 f 24.00 86.00 270.50 742.50 1015.50 1294.00 8047.00
1977 1333.00 1028.00 1058.43 c 616.50 467.00 65.50 12.50 46.50 c 249.31 a 616.50 931.50 1083.45 a 7508.19
1978 1189.50 1009.00 859.50 651.50 500.00 199.00 49.50 127.00 362.07 a 657.89 d 1061.50 1562.00 8228.46
1979 1597.00 1132.50 1002.00 746.00 485.00 213.50 64.00 122.00 244.00 612.50 1210.00 1344.00 8772.50
1980 1251.00 1042.00 1035.29 b 0.00 z 394.00 h 0.00 z 12.50 i 136.50 354.00 723.33 a 1066.73 d 1053.50 6662.36
1981 1199.50 1091.00 985.50 671.38 a 517.50 194.50 54.50 135.50 280.50 252.00 s 0.00 z 146.00 z 5129.88
1982 1527.00 1275.50 1067.00 928.97 a 624.00 268.00 91.00 32.03 a 20.50 y 0.00 z 0.00 z 533.00 u 5813.50
1983 1323.18 a 1071.58 d 1044.50 902.50 631.00 325.00 86.50 34.50 264.00 696.97 b 883.50 f 1483.19 b 7862.92
1984 1754.50 1388.00 1165.00 901.00 467.00 346.03 a 82.50 66.81 b 300.00 b 777.77 c 995.00 c 1351.00 9594.61
1985 1481.00 1314.44 a 1000.50 631.73 d 386.95 c 181.55 a 18.00 70.86 c 284.00 f 0.00 z 988.89 c 1341.02 b 7414.94
1986 1253.50 944.00 796.50 676.00 545.60 a 109.00 58.50 50.00 374.00 704.00 984.50 1285.00 7780.60
1987 1400.50 1036.50 1073.50 617.00 412.50 158.50 103.50 153.50 374.00 650.00 1052.00 1428.00 8459.50
1988 1553.00 1227.50 1097.00 707.00 486.00 91.00 j 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1414.00 6484.50
1989 1516.50 1346.00 912.00 672.00 475.50 174.00 g 33.00 130.50 327.12 d 280.00 s 1012.22 c 1418.25 c 7843.09
1990 1360.50 1189.50 0.00 z 583.50 509.50 185.50 54.00 0.00 z 0.00 z 0.00 z 0.00 z 1716.00 5598.50
1991 1798.00 1207.00 978.50 766.00 414.50 0.00 z 28.50 47.50 361.00 0.00 z 0.00 z 0.00 z 5601.00
Period of Record Statistics
MEAN 1385.57 1131.33 1012.10 714.88 466.72 206.68 43.31 79.50 301.45 651.62 999.93 1317.48 8221.36
S.D. 167.47 143.23 107.97 91.78 68.81 63.62 31.98 44.82 63.64 79.88 105.49 136.89 483.38
SKEW 0.35 0.14 -0.17 0.57 0.45 0.12 1.27 0.30 0.29 0.08 -0.03 0.27 0.71
MAX 1798.00 1388.00 1215.95 928.97 631.00 346.03 154.50 180.50 463.20 827.91 1210.00 1716.00 9594.61
MIN 1062.00 898.07 789.00 580.34 339.50 65.50 4.50 6.50 188.50 463.50 808.00 1053.50 7408.00
NO YRS 42 43 41 42 41 38 41 43 41 38 40 43 29