DEL NORTE 2E, COLORADO

Monthly Total Heating Degree Days

(052184)

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
1893 1265.50 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 1265.50
1894 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
1895 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
1896 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
1897 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
1898 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
1899 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
1900 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
1901 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
1902 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
1903 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
1904 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
1905 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
1906 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
1907 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
1908 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
1909 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
1910 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
1911 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
1912 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
1913 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
1914 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
1915 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
1916 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
1917 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
1918 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
1919 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 723.50 963.00 1278.00 2964.50
1920 1315.50 1011.00 1006.50 862.50 465.00 244.00 99.00 197.50 344.50 667.00 957.00 1368.50 8538.00
1921 1248.50 1023.00 808.50 788.00 475.00 211.50 67.50 h 136.00 263.00 481.00 844.50 1071.57 a 7350.57
1922 1424.50 1123.00 1061.50 724.50 460.50 108.50 k 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4794.00
1923 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 396.00 705.50 916.00 1209.00 3226.50
1924 1519.00 1181.00 1328.35 a 0.00 z 0.00 z 0.00 z 98.50 148.50 321.50 602.50 857.00 1390.50 7446.85
1925 1590.30 a 1111.50 901.00 576.00 351.00 216.50 76.50 198.00 328.50 605.50 1098.50 994.50 h 7053.30
1926 0.00 z 0.00 z 0.00 z 0.00 z 460.50 208.00 147.50 128.00 274.00 500.13 a 909.81 d 1292.50 3920.44
1927 1122.00 919.50 986.50 630.50 354.50 232.00 131.00 252.50 380.50 556.50 739.50 1373.50 7678.50
1928 1156.00 1109.50 846.50 726.21 a 416.50 246.50 112.50 181.00 315.00 547.50 980.50 1397.50 8035.21
1929 1375.50 1211.00 972.50 744.00 486.50 212.00 88.50 134.50 346.00 614.00 1147.00 1245.00 8576.50
1930 1495.50 902.50 1008.57 b 0.00 z 521.00 174.50 116.50 167.50 342.50 645.50 1032.00 1433.75 a 7839.82
1931 1342.30 a 1005.00 1040.50 645.50 497.50 129.11 b 48.50 112.00 243.10 a 546.78 b 1089.83 a 1535.50 8235.61
1932 1651.00 1064.50 977.50 631.50 455.50 265.00 59.00 115.00 306.00 657.00 877.00 1558.50 8617.50
1933 1588.50 1354.50 858.18 a 777.50 562.00 169.00 51.50 144.00 210.00 501.50 831.50 1289.00 8337.18
1934 1334.50 905.00 740.50 567.50 304.50 208.00 45.50 72.00 335.00 510.00 880.00 1271.00 7173.50
1935 1196.08 a 1009.50 977.00 0.00 z 565.00 196.00 91.50 94.50 315.50 619.48 a 989.00 1235.50 7289.07
1936 1309.50 1056.50 885.50 630.00 383.00 157.00 99.00 117.50 296.50 639.50 942.50 1242.50 7759.00
1937 1573.50 913.50 991.50 767.00 384.73 c 257.50 53.50 43.00 243.50 521.83 a 862.00 1192.50 7804.07
1938 1022.00 h 1077.50 963.00 707.50 473.50 201.00 88.87 a 66.00 270.50 555.50 1073.50 1219.50 6696.37
1939 1418.00 1485.50 969.50 560.00 389.50 174.00 39.50 105.00 191.00 577.00 847.24 a 1106.00 7862.24
1940 770.50 n 1248.00 858.00 637.50 363.50 121.50 28.50 71.50 236.50 541.00 1115.50 1395.00 a 6616.50
1941 1571.50 1236.00 1064.50 792.00 379.00 257.00 67.50 102.50 331.55 a 604.00 872.50 1231.00 8509.05
1942 1344.00 1192.50 1058.28 b 617.59 a 435.00 145.50 43.00 80.50 249.00 567.50 849.50 1194.00 7776.36
1943 1275.65 a 920.89 a 914.50 462.50 401.50 183.00 37.50 50.50 232.50 563.00 883.00 1480.50 7405.04
1944 1470.50 1269.50 1093.50 759.00 434.00 207.00 54.50 88.50 233.50 530.50 926.38 a 1244.50 8311.38
1945 1254.50 970.50 934.50 217.00 u 0.00 z 241.00 55.50 44.50 281.00 545.00 963.00 1331.00 6620.50
1946 1341.78 a 1087.50 881.50 526.00 515.00 107.00 46.00 89.00 232.00 672.38 b 1024.66 a 1107.45 b 7630.27
1947 1308.00 973.00 963.00 720.50 383.00 251.38 a 73.50 110.00 247.00 516.00 1098.50 1337.50 7981.38
1948 1361.50 1262.50 1252.50 618.00 372.00 a 198.10 a 71.00 104.50 189.50 599.50 1097.00 1280.00 8406.10
1949 1558.50 1280.00 983.00 641.38 a 475.50 212.50 50.00 95.50 262.50 749.68 a 756.50 1345.50 8410.56
1950 1325.50 939.50 1038.50 742.00 623.50 153.50 133.50 220.00 373.50 493.50 872.50 1111.35 a 8026.85
1951 1232.00 1081.00 1025.07 a 711.50 411.50 233.00 24.00 79.00 305.00 683.50 1077.00 1364.50 8227.07
1952 1374.50 1254.00 1163.50 616.50 423.00 122.00 83.00 15.50 z 236.40 e 508.00 1148.50 1493.50 8422.90
1953 1151.50 1105.00 902.50 723.50 545.00 126.50 38.00 100.50 246.00 555.00 927.50 1427.50 7848.50
1954 1296.50 845.00 982.50 526.50 359.00 176.50 31.50 101.00 248.50 507.00 813.50 1277.50 7165.00
1955 1388.80 a 1219.50 950.00 757.50 473.50 248.00 72.50 53.00 264.83 a 546.50 955.50 1146.50 8076.13
1956 1142.35 a 1241.00 887.12 a 685.71 b 329.63 a 105.00 a 63.50 166.50 212.00 577.00 1074.11 b 1187.00 7670.92
1957 1287.00 873.00 933.00 773.28 a 571.50 216.50 89.90 a 110.50 318.50 621.50 1148.50 1222.95 a 8166.13
1958 1325.25 a 963.00 1051.50 757.76 a 342.00 136.55 a 86.00 62.00 243.21 b 545.50 912.41 a 1041.00 7466.19
1959 1339.00 1092.52 a 973.63 d 650.89 b 448.98 a 116.50 70.00 90.00 271.11 c 607.17 b 942.86 b 1149.07 a 7751.73
1960 1498.00 1339.00 893.83 a 620.69 a 473.78 a 139.00 66.00 92.00 229.82 b 474.50 i 876.72 a 1383.50 7612.35
1961 1404.50 1015.78 a 939.50 688.00 414.00 153.50 96.50 98.00 377.50 605.00 1132.50 1508.50 8433.28
1962 1377.50 959.00 1112.50 568.00 435.00 234.50 121.00 127.00 279.50 511.00 858.50 1089.50 7673.00
1963 1442.00 1005.00 970.50 641.00 332.00 219.00 25.00 101.50 194.00 450.00 881.00 1262.50 7523.50
1964 1387.00 1368.00 1200.00 744.00 405.50 243.50 26.00 129.00 305.00 518.50 1000.50 1450.00 8777.00
1965 1370.50 1179.50 1134.00 677.50 489.50 272.50 85.00 149.50 372.00 501.00 804.50 1185.50 8221.00
1966 1503.00 1313.00 925.00 630.50 358.00 208.00 12.00 114.00 240.00 562.65 a 811.00 1202.00 7879.15
1967 1262.50 988.00 785.50 675.50 460.50 261.50 36.00 145.00 281.00 510.50 828.00 1444.50 7678.50
1968 1513.00 1159.50 966.50 776.90 a 458.50 143.00 98.00 188.00 345.50 510.50 982.50 1350.00 8491.90
1969 1150.50 1062.50 1036.50 584.00 346.68 a 282.00 58.50 50.50 296.00 775.00 915.50 1251.50 7809.18
1970 1331.50 902.50 1014.50 807.00 391.00 256.00 67.00 62.50 358.50 729.50 889.00 1184.00 7993.00
1971 1259.00 1056.00 914.50 700.00 497.50 198.00 116.50 100.00 337.50 630.50 961.50 1300.50 8071.50
1972 1316.50 955.00 728.50 598.00 420.50 161.00 97.50 127.50 266.50 541.50 1243.00 1493.50 7949.00
1973 1590.00 1235.50 1040.50 798.00 414.50 217.00 146.50 133.00 340.00 568.50 830.00 1163.00 8476.50
1974 1486.00 1261.00 754.50 687.50 321.50 187.50 116.50 190.00 328.50 547.50 946.50 1412.50 8239.50
1975 1536.00 1195.50 982.50 778.50 478.00 265.00 87.00 147.50 342.50 572.00 1000.50 1332.50 8717.50
1976 1429.50 944.00 941.00 649.50 428.50 228.00 66.50 192.00 316.55 a 678.50 913.50 1425.50 8213.05
1977 1466.00 1019.00 1025.00 599.50 429.00 116.00 59.00 67.68 a 239.50 507.00 851.50 1063.50 7442.68
1978 1183.50 961.50 746.00 588.00 497.55 a 148.50 65.00 138.50 248.50 475.50 877.50 1579.00 7509.05
1979 1604.50 0.00 z 1046.00 624.50 433.50 207.00 78.50 163.00 216.00 463.00 1129.00 1172.50 7137.50
1980 1233.00 943.00 1010.50 716.00 495.00 120.00 5.50 108.50 221.50 618.00 889.00 965.00 7325.00
1981 1087.50 948.00 920.00 502.50 455.50 88.50 23.00 113.50 248.00 609.00 799.50 1176.50 6971.50
1982 1275.50 1135.00 897.00 694.00 464.50 219.00 47.50 0.00 z 286.00 657.50 967.00 1229.50 7872.50
1983 1191.00 989.50 893.00 810.00 505.50 239.00 33.50 34.00 171.50 517.00 990.00 1397.00 7771.00
1984 1680.50 1345.00 1071.50 747.50 277.50 185.50 14.00 56.00 217.50 739.50 946.00 1260.50 8541.00
1985 1405.50 1210.00 903.00 582.50 388.00 133.00 52.50 64.50 344.00 549.00 967.76 a 1288.00 7887.76
1986 1112.00 925.50 753.00 622.50 445.50 145.50 72.50 54.00 360.00 612.50 952.50 1277.00 7332.50
1987 1388.50 1095.00 1056.50 587.50 424.00 107.50 62.00 107.50 293.00 469.00 1011.00 1442.50 8044.00
1988 1610.00 1216.50 981.50 584.50 446.00 138.00 53.00 82.50 323.00 472.50 975.00 1396.00 8278.50
1989 1495.00 1228.50 771.50 541.00 350.50 211.00 39.00 129.50 293.50 634.50 855.00 1254.50 7803.50
1990 1371.50 1016.00 825.00 579.00 458.50 119.00 97.00 166.00 238.50 602.00 933.50 1442.50 7848.50
1991 1539.00 993.00 969.00 708.00 436.50 214.50 82.50 84.00 312.00 541.50 1161.00 1566.50 8607.50
1992 1633.00 1292.50 1024.00 516.50 373.50 213.00 129.00 161.50 276.50 498.50 1152.50 1561.00 8831.50
1993 1469.00 1191.50 919.50 665.00 431.00 209.50 78.00 156.00 364.50 674.00 1121.00 1366.50 8645.50
1994 1268.00 1099.00 817.50 655.00 377.50 97.00 68.50 56.00 276.00 644.00 1047.00 1202.00 7607.50
1995 1209.50 788.00 874.50 729.00 521.00 248.50 123.50 42.50 314.50 586.00 847.50 1117.00 7401.50
1996 1238.50 925.00 920.00 630.50 257.00 119.50 23.50 85.50 324.50 646.00 916.50 1224.00 7310.50
1997 1366.50 1109.00 851.00 756.00 411.00 177.00 74.00 90.50 222.50 626.50 1035.00 1445.50 8164.50
1998 1337.00 1092.50 954.00 749.50 403.00 222.00 40.50 93.00 220.00 665.00 941.50 1233.00 7951.00
1999 1167.50 974.00 841.00 796.00 544.50 239.50 60.50 134.00 356.00 591.00 825.00 1296.00 7825.00
2000 1221.00 1008.50 944.00 622.76 a 355.00 168.00 56.50 78.50 283.50 674.50 1208.00 1288.50 7908.76
2001 1462.17 a 1223.50 1007.50 685.00 417.00 216.50 93.00 159.00 300.50 658.00 971.00 1430.00 8623.17
2002 1478.50 1229.00 1083.50 583.00 449.50 0.00 z 41.50 134.50 355.50 717.50 1023.00 1441.00 8536.50
2003 1169.00 1129.00 959.50 719.00 441.00 264.00 25.50 97.00 372.00 554.50 1041.00 1338.00 8109.50
2004 1388.50 1430.00 844.50 753.00 469.50 250.50 165.00 206.00 407.50 725.00 1020.50 1433.75 a 9093.75
2005 927.00 i 1097.50 1033.50 751.50 467.00 277.50 80.50 180.50 306.00 623.50 972.00 1353.50 7143.00
2006 1331.00 1117.00 1014.00 668.00 409.50 160.00 85.00 167.50 0.00 z 722.50 792.50 f 1400.68 a 7075.18
2007 1709.00 1278.00 934.00 744.50 519.00 225.50 70.00 101.50 331.50 698.00 987.50 1580.50 9179.00
2008 1786.50 1446.00 1168.00 827.50 569.00 260.00 109.00 183.00 350.50 685.00 994.50 1482.00 9861.00
2009 1506.50 1160.00 967.50 812.00 435.00 326.00 129.50 218.50 383.50 844.00 978.50 1542.00 9303.00
2010 1454.50 1378.50 1135.00 739.50 567.00 186.50 92.50 143.50 268.50 649.00 1117.50 1192.00 8924.00
2011 1424.50 1282.00 962.00 728.50 598.00 220.00 47.50 86.50 317.50 616.00 998.00 1609.93 a 8890.43
2012 1404.50 1251.50 831.50 543.50 387.00 84.00 38.50 75.00 261.00 596.50 918.00 1523.50 7914.50
2013 1736.50 1268.50 969.50 37.50 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 55.50 z 3974.50
Period of Record Statistics
MEAN 1383.72 1112.66 961.93 676.38 436.95 194.22 71.15 116.83 290.68 594.40 962.95 1316.16 8086.66
S.D. 154.06 152.29 111.06 86.79 71.20 53.43 33.89 47.38 54.54 80.31 107.98 141.75 542.40
SKEW 0.31 0.24 0.35 -0.18 0.15 -0.18 0.44 0.50 0.01 0.49 0.38 0.02 0.55
MAX 1786.50 1485.50 1328.35 862.50 623.50 326.00 165.00 252.50 407.50 844.00 1243.00 1609.93 9861.00
MIN 1087.50 788.00 728.50 462.50 257.00 84.00 5.50 34.00 171.50 450.00 739.50 965.00 6971.50
NO YRS 90 91 92 87 90 89 90 89 91 92 92 92 75