LEADVILLE, COLORADO

Monthly Total Heating Degree Days

(054884)

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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 290.00 363.50 801.50 1372.00 1481.50 4308.50
1949 1647.50 1389.00 1228.12 a 939.83 a 716.74 b 496.07 b 300.50 336.50 489.00 891.77 a 945.00 a 1463.72 a 10843.74
1950 1501.29 c 1229.08 d 1387.52 b 1023.62 a 844.23 a 396.72 a 338.50 397.83 a 541.55 a 616.00 1098.50 1315.00 10689.85
1951 1551.00 1228.50 1390.00 1068.00 732.00 541.61 b 208.00 323.50 493.00 895.50 1244.50 1539.67 a 11215.27
1952 1485.50 1397.91 b 1472.50 971.00 733.67 a 316.50 260.50 345.65 a 448.50 683.03 a 1308.00 1488.50 10911.26
1953 1328.50 1355.50 1232.77 a 1107.00 854.50 251.00 j 229.50 335.50 436.50 803.00 1087.00 1558.50 10328.27
1954 1303.00 1135.00 1358.00 836.50 644.00 366.00 215.50 291.92 a 453.00 769.00 1033.50 1389.50 9794.92
1955 1561.50 1493.33 a 1365.55 a 1074.50 760.50 379.50 g 247.50 277.50 429.00 781.00 1231.00 1303.11 c 10524.49
1956 1330.93 a 1454.66 a 1299.42 a 1035.00 608.50 308.50 273.00 370.00 388.00 762.27 c 1338.62 a 1403.86 c 10572.76
1957 1533.50 1083.50 1298.00 1104.00 824.00 463.45 a 276.50 303.50 543.50 807.50 1321.55 a 1393.50 10952.50
1958 1477.15 a 1173.50 1363.50 1112.50 584.72 b 322.00 190.50 f 232.50 447.00 749.50 1071.00 1298.00 9831.37
1959 1434.00 1326.50 1373.00 1042.50 707.00 328.33 c 150.50 k 301.50 555.50 937.75 a 1174.66 a 1306.00 10486.74
1960 1496.00 1523.02 a 1238.45 a 956.79 b 729.00 360.00 108.00 n 273.00 419.50 836.50 1095.00 1421.87 a 10349.12
1961 1402.00 1275.00 1252.50 1076.00 697.50 309.50 f 299.87 e 287.00 686.50 869.00 1249.50 1591.50 10686.37
1962 1531.50 1221.50 1430.00 912.50 730.00 462.00 262.00 f 330.00 484.50 733.50 1020.50 1299.50 10155.50
1963 1600.50 1197.78 a 1323.18 a 989.00 626.64 c 421.03 a 220.88 c 343.50 0.00 z 642.50 1018.50 1433.75 a 9817.26
1964 0.00 z 1537.00 1468.50 1087.50 744.00 509.50 229.00 401.50 526.00 762.08 a 1174.50 1445.50 9885.08
1965 1367.00 1324.50 1440.00 1020.00 798.25 a 515.50 290.00 426.50 670.00 755.50 1075.00 1319.00 11001.25
1966 1567.50 1403.50 1201.50 1001.00 662.50 436.00 183.23 c 323.50 458.50 846.00 1029.50 1429.00 10541.73
1967 1404.50 1284.50 1102.00 959.00 775.00 496.50 252.50 383.00 507.00 791.50 1098.50 1555.50 10609.50
1968 1353.00 1230.50 1224.50 1106.00 801.00 400.50 305.50 418.00 605.50 822.50 1288.50 1468.00 11023.50
1969 1352.00 1274.50 1401.00 896.00 609.00 534.00 238.00 249.00 488.00 1088.50 1204.00 1366.50 10700.50
1970 1513.00 1193.00 1387.50 1203.00 698.00 470.50 279.50 279.50 595.00 1019.50 1172.00 1387.00 11197.50
1971 1446.50 1354.50 1345.00 1002.50 826.00 423.50 303.50 343.00 645.50 0.00 z 0.00 z 0.00 z 7690.00
1972 1575.50 1360.50 1218.50 1015.00 798.50 470.50 366.00 422.50 610.50 877.50 1450.00 1632.50 11797.50
1973 1608.00 1384.50 0.00 z 1243.00 822.00 559.00 427.00 428.26 d 642.00 883.00 0.00 z 0.00 z 7996.76
1974 1599.00 1442.00 1200.00 1137.00 704.00 0.00 z 378.50 481.00 633.50 852.00 1315.50 1619.50 11362.00
1975 1612.00 1451.00 1371.48 b 1177.50 b 881.50 614.42 d 380.86 c 361.50 f 185.00 u 484.50 o 692.50 n 0.00 z 7488.76
1976 817.00 o 665.50 n 0.00 z 541.50 n 355.50 q 80.50 x 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1977 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
1978 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
1979 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
1980 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
1981 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 846.50 1037.50 1343.33 a 3227.33
1982 1475.00 1274.00 1208.00 1058.00 777.00 0.00 z 0.00 z 328.50 0.00 z 0.00 z 0.00 z 0.00 z 6120.50
1983 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
1984 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
1985 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
1986 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
1987 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
1988 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
1989 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
1990 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
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 0.00 z 0.00 z 0.00 z 0.00
1992 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
1993 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
1994 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
1995 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
1996 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
1997 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
1998 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
1999 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
2000 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
2001 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
2002 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
2003 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
2004 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
2005 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
2006 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
2007 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
2008 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
2009 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
2010 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
2011 1566.00 1430.50 1237.00 659.50 k 843.00 440.17 a 236.38 c 289.50 564.31 a 903.13 a 1223.00 1498.00 10230.99
2012 1411.00 1448.50 1134.00 871.03 a 688.20 a 346.07 b 247.50 335.50 546.00 861.00 1066.07 b 1525.20 a 10480.08
2013 1592.76 b 1459.50 1335.14 b 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 4387.40
Period of Record Statistics
MEAN 1487.55 1333.43 1309.55 1035.35 740.70 439.94 279.51 338.29 523.94 823.73 1169.39 1438.45 10822.12
S.D. 99.37 118.57 97.98 96.66 79.97 83.47 60.81 59.77 88.09 99.65 128.91 101.19 442.02
SKEW -0.30 -0.18 -0.21 0.01 -0.19 0.07 0.74 0.47 0.16 0.34 0.31 0.25 -0.10
MAX 1647.50 1537.00 1472.50 1243.00 881.50 614.42 427.00 481.00 686.50 1088.50 1450.00 1632.50 11797.50
MIN 1303.00 1083.50 1102.00 836.50 584.72 308.50 183.23 232.50 363.50 616.00 945.00 1298.00 9794.92
NO YRS 30 31 30 29 30 25 25 30 28 29 28 28 15