SUGARLOAF RESERVOIR, COLORADO

Monthly Total Heating Degree Days

(058064)

Base Temperature = 65 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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 413.00 476.00 885.50 1437.00 1584.00 4795.50
1949 1838.00 1567.00 1391.00 1066.00 775.00 566.00 384.50 414.00 566.50 895.50 963.00 1441.00 11867.50
1950 1534.00 1248.50 1366.00 1039.00 896.50 477.50 389.50 423.00 626.38 a 772.00 1239.50 1440.00 11451.88
1951 1630.50 1558.50 1455.00 1220.00 972.00 675.50 350.00 414.50 572.00 867.50 1359.50 1766.00 12841.00
1952 1571.00 1552.00 1596.00 1043.00 844.00 469.00 315.00 426.00 523.00 780.00 1426.50 1586.00 12131.50
1953 1396.00 0.00 z 0.00 z 0.00 z 838.50 443.00 308.00 413.00 568.00 841.00 1084.66 a 1648.50 7540.66
1954 1347.39 c 0.00 z 0.00 z 894.23 d 671.50 438.50 246.00 371.00 495.00 751.50 1053.00 1544.50 7812.62
1955 1691.50 0.00 z 0.00 z 1098.89 c 797.50 546.00 307.00 308.50 523.00 799.50 1251.50 1367.00 8690.39
1956 1500.00 1646.50 1352.24 b 1017.32 b 232.00 u 316.00 h 371.50 454.00 491.50 877.00 1413.50 1543.50 10667.06
1957 1641.50 1242.50 1349.50 1158.50 888.50 530.50 341.50 360.12 a 594.00 824.50 1333.50 1517.50 11782.12
1958 1715.00 1316.00 1534.50 1126.50 687.50 413.00 332.50 273.50 540.00 812.00 1114.50 1388.00 11253.00
1959 1553.50 1422.50 1476.50 1110.50 787.00 391.50 333.50 352.00 624.00 942.00 1176.00 1419.50 11588.50
1960 1613.00 1598.50 1288.00 1017.00 808.50 453.00 338.00 387.50 493.50 848.00 1183.50 1555.50 11584.00
1961 1622.00 1405.00 1352.00 1129.00 818.50 469.50 362.50 356.50 715.50 928.00 1348.00 1684.50 12191.00
1962 1766.50 1334.50 1649.00 1027.50 872.50 574.00 460.00 485.50 631.03 a 743.50 1042.00 1400.50 11986.53
1963 1677.50 1314.50 1459.07 a 998.50 696.00 482.50 293.00 353.50 437.50 697.00 1072.00 1538.50 11019.57
1964 1774.50 1690.50 1602.50 1209.50 901.00 588.00 278.00 432.50 585.50 865.00 1245.00 1654.00 12826.00
1965 1540.50 1491.50 1634.00 1159.00 891.50 545.00 316.00 423.50 667.00 766.00 1053.00 1444.50 11931.50
1966 1796.00 1595.50 1370.50 1094.50 724.50 466.50 218.50 328.00 449.50 795.50 1013.00 1426.50 11278.50
1967 1554.00 1436.50 1247.00 1085.00 883.00 592.00 355.00 458.50 581.00 852.50 1192.50 1663.00 11900.00
1968 1651.00 1465.50 1215.50 f 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 3116.50
1969 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
1970 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
1971 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 465.00 i 497.00 m 788.00 k 1001.50 l 0.00
1972 1019.00 k 1008.50 h 894.50 h 656.00 j 789.00 434.00 333.50 369.50 580.34 a 815.19 d 893.00 k 829.50 o 3321.53
1973 1108.00 j 998.00 i 989.00 i 865.00 i 789.43 b 406.00 g 228.50 m 293.00 h 406.50 k 601.00 j 764.50 j 911.00 l 789.43
1974 1158.50 i 992.00 i 832.50 j 875.00 f 698.00 504.00 352.50 452.00 605.00 832.50 1271.50 1605.50 6321.00
1975 1564.50 1449.00 1405.00 1181.00 881.50 577.50 345.00 444.50 591.50 896.50 1224.50 1411.00 11971.50
1976 1573.00 1273.00 1403.50 984.00 749.50 542.00 328.50 428.83 a 575.50 977.50 1166.00 1432.50 11433.83
1977 1566.00 1295.50 1463.00 976.00 725.00 358.50 281.00 324.00 496.50 826.50 1139.00 1400.00 10851.00
1978 1521.00 1358.50 1220.50 974.50 843.00 409.00 282.50 374.50 516.50 797.50 1153.00 1614.00 11064.50
1979 1724.50 1361.50 1308.00 1073.50 797.50 503.50 303.50 357.00 466.50 759.50 1388.00 1332.50 11375.50
1980 1459.00 1302.00 1382.50 1149.50 802.00 391.00 243.50 322.00 502.50 893.00 1118.50 1118.00 10683.50
1981 1312.85 a 1243.00 1297.50 861.00 742.50 332.00 269.50 358.64 b 481.50 863.50 1050.00 1373.82 a 10185.80
1982 1502.50 1343.00 1304.50 1101.50 785.00 508.00 323.50 309.00 536.00 960.50 1228.00 1426.00 11327.50
1983 1359.50 1268.50 1297.00 1206.50 895.00 543.00 287.00 263.00 462.50 806.50 1162.00 1521.50 11072.00
1984 1553.50 1363.00 1356.00 1166.00 715.50 498.50 276.50 331.00 520.00 1057.00 1198.97 a 1426.00 11461.97
1985 1555.00 1467.00 1300.50 957.00 698.50 427.00 329.50 338.00 647.00 864.00 1253.04 b 1385.00 11221.54
1986 1332.50 1232.50 1177.50 967.50 760.50 416.50 373.50 355.50 600.52 a 913.00 1163.00 1446.00 10738.52
1987 1522.50 1298.00 1359.00 962.50 714.00 416.50 331.00 387.00 579.50 776.00 1175.50 1519.00 11040.50
1988 1586.50 1330.00 1413.00 1002.00 735.50 368.50 292.50 291.00 588.00 760.00 1183.00 1480.50 11030.50
1989 1514.50 1356.00 1155.50 925.50 695.50 488.00 235.00 373.00 522.00 874.00 1124.00 993.50 j 9263.00
1990 1026.00 j 829.00 j 1210.00 931.00 815.00 360.50 311.50 384.00 433.50 862.00 1101.00 1536.50 7945.00
1991 1534.00 1229.50 1347.50 1099.00 747.50 436.00 342.00 346.50 527.50 807.00 1208.50 1412.50 11037.50
1992 1483.50 1300.00 1211.00 862.24 a 638.50 497.50 372.00 420.50 556.50 780.00 1339.50 1497.00 10958.24
1993 1502.50 1289.00 1225.00 1082.50 756.50 483.00 343.00 376.50 585.00 891.00 1275.50 1412.00 11221.50
1994 1469.00 1353.00 1242.00 1016.00 675.00 316.00 307.00 305.50 531.50 886.00 1240.00 1354.00 10695.00
1995 1494.50 1113.50 1228.00 1070.50 882.50 538.00 391.00 290.00 545.00 899.50 1051.00 1368.00 10871.50
1996 1518.50 1266.50 1324.50 1010.50 635.00 420.50 262.00 334.00 621.50 910.00 1102.00 1452.00 10857.00
1997 1496.00 1401.50 1212.00 1140.50 770.50 417.50 307.50 370.50 506.50 1022.00 1260.00 1471.50 11376.00
1998 1440.00 1322.50 1253.00 1156.50 737.50 520.00 234.50 317.50 409.50 834.00 1038.00 1321.00 10584.00
1999 950.00 j 1199.00 1084.47 b 1109.48 a 829.25 c 470.00 221.00 f 355.39 c 650.00 839.00 989.00 1414.00 8939.59
2000 1431.00 1224.50 1241.50 907.00 660.50 400.86 a 213.00 g 284.17 a 542.00 762.37 d 1342.24 a 1420.83 d 10216.97
2001 1594.95 a 1356.50 1277.50 1035.00 a 778.50 373.50 158.50 356.50 a 549.31 a 802.38 a 1092.41 a 1453.00 10828.06
2002 1494.09 c 1387.00 1363.50 803.50 679.50 307.00 221.00 405.00 656.50 1017.00 1306.50 1116.50 i 9640.59
2003 1207.00 1304.00 1203.00 980.00 658.50 480.50 179.00 249.00 510.00 667.50 1152.50 1335.50 9926.50
2004 1447.50 1421.50 1101.50 950.00 665.00 434.50 143.00 p 402.00 558.00 850.00 1179.00 1407.50 10416.50
2005 1284.00 1207.00 1300.50 971.00 647.00 468.50 225.00 354.00 498.00 778.50 1094.00 1450.50 10278.00
2006 1398.00 1284.00 1296.50 871.50 638.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 5488.00
Period of Record Statistics
MEAN 1537.11 1364.27 1335.15 1039.56 769.52 465.93 309.02 367.50 549.28 845.74 1187.89 1468.19 11293.10
S.D. 132.34 126.35 128.84 100.79 84.18 77.02 57.95 54.08 65.02 78.35 117.51 112.60 635.34
SKEW -0.01 0.73 0.59 -0.20 0.24 0.16 -0.31 -0.06 0.15 0.45 0.30 0.13 0.38
MAX 1838.00 1690.50 1649.00 1220.00 972.00 675.50 460.00 485.50 715.50 1057.00 1437.00 1766.00 12841.00
MIN 1207.00 1113.50 1084.47 803.50 635.00 307.00 158.50 249.00 409.50 667.50 963.00 1118.00 9926.50
NO YRS 50 48 48 50 53 51 49 53 53 53 52 50 40