WOLF CREEK PASS 1 E, COLORADO

Monthly Total Heating Degree Days

(059181)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200111
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
1957 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 792.50 l 0.00
1958 1444.50 1206.50 1416.50 1101.00 663.50 374.00 291.00 308.00 534.50 837.00 1059.50 1259.50 10495.50
1959 1423.00 1322.50 1332.00 1066.50 835.00 451.00 382.50 457.00 635.50 1030.00 1108.00 1248.50 11291.50
1960 1521.00 1465.50 1214.00 963.00 806.50 454.00 337.50 356.50 519.50 868.00 1096.50 1457.50 11059.50
1961 1343.00 1299.00 1348.00 1114.00 787.00 505.50 405.50 444.00 684.50 890.50 1293.50 1553.00 11667.50
1962 1485.00 1300.50 1505.50 984.50 854.50 576.00 462.50 442.50 644.00 853.50 1130.50 1283.00 11522.00
1963 1613.00 1253.00 1416.50 1087.00 684.00 575.50 349.50 425.50 487.00 697.50 1057.50 1394.50 11040.50
1964 1561.00 1503.50 1523.00 1144.00 791.50 493.50 291.00 433.50 578.50 736.00 1200.56 c 1533.00 11789.06
1965 1387.00 1323.50 1462.50 1076.00 884.00 577.50 363.00 421.00 696.00 723.00 1065.50 1331.50 11310.50
1966 1554.00 1481.50 1226.50 991.50 680.00 489.00 251.00 349.50 515.00 794.50 1114.50 1400.50 10847.50
1967 1487.00 1317.00 1234.00 1123.00 898.00 618.00 356.50 440.00 556.00 831.50 1049.50 1521.00 11431.50
1968 1341.50 1239.50 1280.00 1179.00 861.50 446.50 457.50 592.50 684.00 879.50 1312.50 1548.00 11822.00
1969 1497.50 1389.00 1458.03 a 973.00 681.50 588.62 a 319.50 331.50 540.50 1132.50 1209.50 1358.00 11479.15
1970 1488.50 1247.00 1454.50 1289.50 784.00 504.00 332.00 340.50 650.00 1122.50 1173.10 a 1475.50 11861.10
1971 1467.00 1364.00 1386.50 1065.00 890.00 602.50 398.00 426.50 654.00 957.90 a 1190.00 1528.50 11929.90
1972 1439.50 1320.00 1011.00 893.00 745.00 491.00 387.50 446.00 598.00 883.00 1365.50 1500.00 11079.50
1973 1504.50 1313.00 0.00 z 1228.00 849.00 544.50 386.98 a 418.00 636.00 820.50 1115.50 1382.00 10197.98
1974 1489.50 1297.50 1163.00 1111.00 684.00 439.50 406.50 454.50 536.00 861.50 1172.00 1534.50 11149.50
1975 1493.00 1421.00 1409.98 a 1238.00 953.00 605.00 407.50 450.50 597.50 903.00 1156.00 1306.00 11940.48
1976 1431.00 1222.00 1380.00 1053.00 515.00 l 587.50 470.00 564.50 739.50 1116.00 1279.50 1430.00 11273.00
1977 1553.00 1340.00 1519.00 991.50 0.00 z 0.00 z 0.00 z 0.00 z 500.50 753.50 0.00 z 0.00 z 6657.50
1978 0.00 z 1317.50 1325.50 1048.93 b 0.00 z 615.00 0.00 z 0.00 z 0.00 z 405.50 r 1106.00 1686.00 7098.93
1979 1701.00 1198.00 1381.50 1061.25 b 755.50 f 543.50 353.50 417.00 f 359.50 i 838.50 1295.50 762.00 o 8372.75
1980 1508.00 1372.50 663.50 o 0.00 z 0.00 z 0.00 z 0.00 z 396.00 0.00 z 0.00 z 0.00 z 0.00 z 3276.50
1981 0.00 z 623.50 m 1373.76 d 474.00 o 504.50 l 27.50 z 336.00 j 529.38 e 322.50 k 574.00 l 0.00 z 779.50 m 1903.14
1982 859.50 m 912.50 i 847.50 k 596.50 n 522.50 m 348.50 m 119.00 v 264.00 j 611.00 1019.00 1252.50 1416.50 4299.00
1983 1319.50 1240.50 1288.00 1268.00 865.00 603.50 355.50 348.00 501.00 838.00 1230.50 1537.00 11394.50
1984 1413.00 1295.00 1328.00 1168.00 694.00 546.00 328.00 400.00 601.50 1107.50 1260.50 0.00 z 10141.50
1985 1430.50 1418.85 b 1290.50 964.50 778.50 464.50 332.00 361.00 696.50 893.00 798.50 k 814.00 l 8629.85
1986 502.00 r 1314.00 1157.50 1011.67 c 841.98 c 502.50 433.50 368.50 717.00 996.50 1180.50 1316.00 9839.65
1987 1422.50 1213.50 1345.00 987.00 839.50 456.00 365.00 438.00 620.00 790.00 1186.50 1489.50 11152.50
1988 1519.50 1261.50 1397.50 1028.00 787.00 438.00 351.00 403.50 633.00 757.50 1280.50 1479.00 11336.00
1989 1457.50 1287.00 1099.00 906.50 709.00 525.50 327.00 463.00 576.50 921.00 579.50 o 1405.50 9677.50
1990 1502.00 1300.50 1232.00 964.50 834.00 375.00 388.50 445.00 496.50 909.00 1130.00 1602.50 11179.50
1991 1534.50 1174.00 1410.50 708.00 l 789.50 516.00 383.00 405.50 581.50 816.00 1237.00 1360.00 10207.50
1992 1384.50 1254.50 1232.50 857.50 700.50 471.50 404.50 423.00 524.00 834.00 1406.00 1567.00 11059.50
1993 1475.94 d 1367.50 1256.50 1116.50 854.00 556.00 365.50 460.50 652.50 987.00 1315.50 1489.50 11896.94
1994 1448.00 1420.00 1225.50 1097.00 805.00 397.00 338.50 349.50 591.00 1009.50 1377.50 1383.50 11442.00
1995 1551.00 1105.50 1317.00 687.50 m 978.00 436.00 i 434.00 191.50 m 611.50 885.50 1097.50 1367.00 9347.00
1996 1558.00 1240.00 1328.50 1090.00 641.50 456.00 328.00 378.50 682.00 972.50 1191.21 a 1527.00 11393.21
1997 1541.00 1331.50 1200.00 1193.50 815.50 227.00 r 398.00 435.50 534.00 973.50 1261.50 1488.50 11172.50
1998 1469.50 1396.00 1362.00 1216.50 806.00 576.00 311.50 386.00 478.50 946.50 1198.50 1413.50 11560.50
1999 1396.60 b 1240.30 a 1146.48 a 1170.00 588.00 n 574.14 a 373.00 436.87 d 651.00 804.40 b 955.86 a 1449.50 10198.15
2000 1432.50 1305.00 a 1326.00 953.79 a 693.88 a 445.00 c 322.29 b 296.50 f 521.00 922.25 a 1442.50 1419.28 a 10783.50
2001 1556.72 a 1325.50 1318.02 a 1039.00 722.00 452.00 332.50 423.15 a 545.50 839.07 a 1153.00 0.00 z 9706.45
Period of Record Statistics
MEAN 1478.63 1309.62 1319.07 1072.14 791.30 511.48 366.16 419.81 595.30 896.38 1197.63 1444.36 11389.67
S.D. 75.90 83.71 115.21 104.93 84.45 69.21 48.65 59.23 70.72 110.31 107.44 100.05 361.35
SKEW 0.27 0.20 -0.40 0.12 0.07 -0.17 0.16 0.72 0.12 0.48 0.23 0.00 -0.28
MAX 1701.00 1503.50 1523.00 1289.50 978.00 618.00 470.00 592.50 739.50 1132.50 1442.50 1686.00 11940.48
MIN 1319.50 1105.50 1011.00 857.50 641.50 374.00 251.00 308.00 478.50 697.50 955.86 1248.50 9999.00
NO YRS 40 42 41 39 36 38 39 38 40 41 39 37 26