RED FEATHER LAKES 2 SE, COLORADO

Monthly Total Heating Degree Days

(056925)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 199006
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
1941 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 445.50 688.00 931.00 1185.00 3249.50
1942 1334.03 a 1419.00 1210.50 713.00 660.00 284.00 79.50 80.00 413.50 637.00 987.50 1281.00 9099.03
1943 0.00 z 0.00 z 0.00 z 596.00 655.00 327.00 83.00 94.00 431.50 670.50 983.00 1094.50 4934.50
1944 1398.50 1325.50 1306.00 1210.50 710.50 371.00 104.50 140.50 405.50 607.50 975.00 a 1450.00 10005.00
1945 1425.50 1282.00 1133.00 1150.00 610.50 500.50 217.50 216.50 604.00 799.50 1213.50 1481.00 10633.50
1946 1369.50 1286.50 1111.00 679.50 817.00 281.50 158.00 189.50 436.00 823.00 1315.50 1271.00 9738.00
1947 1516.00 0.00 z 1272.50 968.00 650.50 629.44 c 0.00 z 0.00 z 378.00 740.50 1314.00 1230.00 8698.94
1948 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 0.00 z 1304.50 1580.00 2884.50
1949 1780.50 1438.50 1226.50 882.50 172.00 y 0.00 z 0.00 z 0.00 z 0.00 z 681.50 g 729.50 1312.00 7369.50
1950 1349.00 1001.50 1132.00 945.52 a 748.00 339.50 267.00 247.50 467.00 540.50 968.50 1037.00 9043.02
1951 1445.00 1065.50 1229.00 789.00 f 607.00 512.00 167.92 a 240.00 464.50 785.00 1112.50 1393.45 a 9021.87
1952 1318.00 1217.00 1305.00 857.00 634.00 190.00 j 171.50 189.00 336.60 e 639.50 880.00 j 1170.50 7838.10
1953 1062.50 1157.00 1064.91 d 1024.00 748.50 262.00 75.50 f 153.50 f 254.50 g 516.00 f 607.50 l 1282.50 6601.41
1954 1146.45 c 889.00 d 1243.88 c 725.69 a 635.50 342.00 e 85.50 176.18 a 310.20 e 180.00 u 0.00 z 271.50 z 5554.39
1955 1366.50 1326.50 1299.00 733.00 g 695.29 c 391.15 d 117.50 145.00 362.00 452.00 g 1120.00 1142.00 7964.94
1956 1160.00 606.50 p 1124.50 895.00 515.00 215.50 169.50 159.00 n 295.00 663.92 a 1130.50 1101.50 7270.42
1957 1414.63 a 970.00 1114.00 960.00 b 688.50 397.00 161.41 b 193.23 a 0.00 z 87.00 z 0.00 z 0.00 z 5898.78
1958 595.00 p 934.00 1303.50 933.00 346.00 g 275.00 184.97 a 119.50 323.50 647.00 946.50 1091.72 a 6758.68
1959 1328.00 1169.50 1197.00 898.50 659.50 210.50 163.00 142.00 479.00 517.50 k 0.00 z 0.00 z 6247.00
1960 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 0.00 z 0.00 z 0.00 z 0.00
1961 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 0.00 z 0.00 z 0.00 z 0.00
1962 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 99.00 o 352.76 a 585.50 873.50 1032.41 c 2844.17
1963 1503.50 a 1039.50 1175.00 857.00 526.50 299.50 47.50 h 188.00 258.00 484.50 860.50 1236.00 8428.00
1964 1346.00 1340.69 c 1331.50 943.00 595.72 a 386.50 42.00 228.50 408.50 648.50 976.55 a 1271.50 9518.96
1965 1151.00 1152.00 1445.00 786.50 659.00 386.00 171.00 296.57 a 621.50 561.62 a 862.00 1113.93 a 9206.12
1966 1307.50 1272.44 a 1026.32 c 924.83 a 537.85 a 339.50 99.00 245.50 355.50 734.91 b 883.45 a 1183.96 e 8910.77
1967 1167.09 d 1118.88 c 911.18 c 839.44 c 708.35 a 443.28 a 190.65 a 229.06 d 409.14 a 564.00 683.00 g 1334.50 7915.57
1968 1115.50 1039.00 1030.48 b 926.00 667.50 278.50 170.50 269.50 456.50 605.50 1083.50 1247.48 b 8889.97
1969 1092.50 1092.50 1328.00 744.50 519.50 451.50 117.50 106.50 334.00 976.00 922.50 925.50 f 7685.00
1970 1189.00 938.00 1208.00 946.55 a 503.50 336.00 140.50 119.00 491.50 496.00 m 1037.59 a 1287.50 8197.14
1971 1340.50 1192.50 1205.56 d 877.50 685.10 a 282.50 194.50 179.50 520.50 746.50 1044.50 1362.81 e 9631.96
1972 1363.45 c 1137.73 a 949.12 a 812.50 624.00 277.00 194.50 231.97 b 404.48 a 702.31 b 888.00 g 1384.67 d 8081.72
1973 1328.35 a 1110.67 a 1188.33 a 1027.50 631.50 287.50 238.50 183.00 461.50 150.00 x 683.00 h 762.50 k 6456.85
1974 1328.35 a 636.50 i 902.00 829.00 516.31 b 285.00 0.00 z 277.50 468.00 647.00 984.00 711.00 n 6237.16
1975 1258.50 1178.50 1166.00 751.00 f 669.08 a 374.00 151.00 187.00 438.50 627.15 e 1076.54 d 477.50 o 7126.28
1976 1210.50 945.50 1166.50 800.50 600.00 357.50 145.00 256.50 388.50 745.60 b 891.00 f 617.50 n 6616.10
1977 1345.00 1036.00 951.00 f 849.00 614.00 178.50 124.00 a 200.00 340.00 593.50 919.80 e 304.00 v 6199.80
1978 1266.23 e 1062.00 954.00 794.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4076.23
1979 0.00 z 0.00 z 0.00 z 0.00 z 141.50 v 0.00 z 0.00 z 0.00 z 0.00 z 520.00 i 1258.00 1183.68 a 2441.68
1980 1347.97 b 1067.00 1141.50 916.00 646.00 232.00 62.50 214.00 377.50 807.50 1047.00 957.00 8815.96
1981 1190.50 1082.00 1204.00 662.50 0.00 z 196.03 a 132.00 259.00 341.50 757.43 a 912.50 1215.50 7952.97
1982 1343.00 1182.50 1106.50 941.50 672.50 448.00 172.00 138.00 437.00 804.50 1132.00 1266.50 9644.00
1983 1165.00 1053.00 1186.00 1092.50 754.50 419.50 137.50 121.00 334.50 699.00 1084.00 1506.50 9553.00
1984 1334.50 1140.50 1159.00 1039.50 545.50 353.00 125.00 181.50 454.00 955.83 a 996.00 1208.50 9492.83
1985 1418.50 1220.50 1087.00 762.50 548.50 288.50 161.50 179.50 535.00 773.50 1192.50 1240.00 9407.50
1986 1020.00 1093.00 903.00 804.83 a 648.00 246.00 160.00 186.50 445.71 b 299.00 s 1007.00 1281.00 7795.04
1987 1274.10 a 1115.00 1132.50 723.50 549.00 292.50 167.00 247.50 440.50 696.00 1053.50 1372.50 9063.60
1988 1416.00 1145.50 1163.50 791.00 584.00 80.00 t 133.00 145.00 463.50 650.50 1056.50 1308.00 8856.50
1989 1241.00 1372.50 981.50 823.50 590.50 422.50 137.50 232.50 465.00 757.95 a 920.36 b 1317.50 9262.31
1990 1218.00 1164.00 1106.00 822.00 682.50 270.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 5262.50
Period of Record Statistics
MEAN 1302.28 1144.32 1153.09 872.57 632.84 336.72 148.58 191.46 418.41 696.19 1032.85 1254.45 9406.79
S.D. 139.32 134.62 124.60 128.68 74.09 93.95 46.64 54.46 77.21 107.44 136.57 135.52 460.24
SKEW 0.61 0.31 -0.24 0.37 0.12 0.82 0.03 -0.15 0.39 0.58 0.39 0.15 1.01
MAX 1780.50 1438.50 1445.00 1210.50 817.00 629.44 267.00 296.57 621.50 976.00 1315.50 1580.00 10633.50
MIN 1020.00 889.00 902.00 596.00 503.50 178.50 42.00 80.00 258.00 484.50 729.50 957.00 8815.96
NO YRS 42 40 42 41 40 40 37 38 41 35 37 37 17