IGNACIO 1 N, COLORADO

Monthly Total Heating Degree Days

(054250)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 199307
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
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 590.50 k 828.00 558.50 347.00 123.50 20.50 43.29 b 198.50 575.50 829.50 1305.50 4829.79
1915 1463.00 1122.50 992.50 574.50 502.50 221.50 49.50 38.00 254.00 588.50 933.50 1205.00 7945.00
1916 1292.00 1149.50 806.00 601.00 474.50 182.50 14.47 a 64.50 268.50 590.50 970.50 1367.50 7781.47
1917 1506.50 1168.50 1114.50 674.00 538.00 156.50 0.50 39.00 137.50 513.50 804.83 a 981.00 7634.33
1918 1382.50 951.00 742.00 632.00 434.50 35.50 4.13 a 25.50 208.00 466.00 969.31 a 1314.00 7164.44
1919 1538.00 1188.50 987.50 537.50 311.00 132.00 3.50 4.50 150.00 a 670.50 838.97 a 1196.50 7558.47
1920 1234.50 915.05 a 928.00 809.00 405.50 182.50 13.00 86.50 286.50 644.50 900.00 1307.00 7712.05
1921 1161.50 949.93 a 761.50 706.00 413.00 151.00 14.50 42.00 240.50 489.00 864.00 1038.00 6830.93
1922 1335.00 1068.50 987.50 704.50 411.50 96.50 5.50 3.62 a 138.00 581.00 959.50 860.00 f 6291.12
1923 1170.00 1064.00 974.00 659.00 377.50 193.50 2.50 61.00 322.00 650.50 886.50 1194.50 7555.00
1924 1518.00 941.00 1057.50 673.50 402.00 125.00 21.50 58.50 274.66 a 593.50 837.00 1451.50 7953.66
1925 1523.00 996.00 839.58 a 564.00 316.72 a 161.00 9.50 113.31 b 251.50 596.50 953.00 1151.00 7475.11
1926 1359.41 d 880.32 c 852.00 542.68 b 394.50 117.50 27.00 19.00 206.00 488.00 879.50 1228.50 6994.41
1927 1055.00 909.00 887.50 663.60 e 206.00 n 148.00 f 1.00 o 68.50 187.50 g 529.00 784.00 1294.77 a 6191.37
1928 1278.00 992.00 800.50 665.40 e 295.57 b 98.40 e 16.50 70.50 171.00 332.50 h 771.00 1274.00 6432.87
1929 1408.00 1143.50 774.00 627.00 365.50 103.20 e 13.00 16.50 226.50 496.00 984.50 1116.00 7273.70
1930 1418.00 974.00 894.00 472.00 422.00 88.00 3.50 16.50 214.00 583.50 959.50 1261.00 7306.00
1931 1264.00 841.00 916.00 579.50 382.00 85.00 16.50 11.00 132.00 472.00 978.00 1566.50 7243.50
1932 1620.00 977.00 885.50 584.40 e 380.27 a 190.00 1.00 f 24.50 g 226.00 573.50 859.00 1391.00 7686.67
1933 1475.50 1412.50 860.00 717.50 498.00 70.50 1.00 29.00 111.00 436.50 788.79 a 1044.00 7444.29
1934 1087.50 784.50 712.00 504.00 194.00 150.00 0.00 11.00 224.50 470.50 844.00 1096.50 6078.50
1935 1117.00 898.50 891.00 586.50 425.00 83.00 6.50 0.00 144.00 524.00 884.50 1167.00 6727.00
1936 1249.00 782.50 f 576.00 i 555.00 255.50 80.00 5.50 8.50 154.50 519.50 855.00 1114.50 4797.00
1937 1668.00 1238.50 953.50 568.20 e 284.50 143.50 12.50 0.00 120.00 427.00 819.50 1063.50 7298.70
1938 1151.00 950.50 835.50 582.00 428.00 82.00 32.00 30.00 167.50 486.50 1055.50 1120.50 6921.00
1939 1220.50 1360.00 879.88 a 502.00 320.00 113.00 6.72 a 2.00 105.50 530.00 780.50 1082.50 6902.60
1940 1293.50 1047.00 776.00 552.50 280.00 71.00 5.00 31.00 151.50 470.50 897.50 1155.00 6730.50
1941 1272.00 882.00 812.50 670.00 283.00 174.50 17.50 11.50 232.00 524.50 826.00 1085.50 6791.00
1942 1340.00 1087.50 947.50 487.00 390.50 123.50 8.50 3.00 155.00 492.50 801.50 1092.00 6928.50
1943 1236.50 1026.50 827.00 418.00 335.00 128.00 8.50 4.00 129.50 516.00 849.00 1136.00 6614.00
1944 1296.00 1041.00 916.50 664.00 321.50 152.00 10.00 28.50 165.50 463.00 865.50 1126.50 7050.00
1945 1328.00 938.00 971.50 711.50 373.50 144.00 k 21.50 3.00 217.50 513.00 971.50 1417.50 7466.50
1946 1430.00 1055.00 805.00 457.50 404.00 93.50 0.00 14.50 212.00 651.00 955.00 1075.50 7153.00
1947 1487.50 920.00 886.00 648.00 332.50 195.00 0.50 54.50 100.50 o 508.00 1103.00 1257.50 7392.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 23.77 a 133.50 473.00 1018.00 1157.00 2805.27
1949 1367.50 1188.00 860.50 534.00 370.00 144.00 0.50 24.50 135.50 562.50 731.50 1219.50 7138.00
1950 1254.35 d 770.56 c 870.00 549.31 a 441.50 104.50 17.50 39.00 279.50 419.57 b 555.50 j 1058.50 5804.29
1951 1229.27 e 979.00 867.00 604.00 333.00 185.00 5.50 26.00 250.50 539.92 a 696.50 g 1411.05 c 6430.24
1952 1292.00 1206.85 c 761.50 h 541.00 359.37 d 75.00 d 8.50 6.50 139.00 0.00 z 1040.19 d 1218.41 c 5886.82
1953 733.50 k 985.00 911.06 d 732.12 d 444.33 d 91.67 c 4.50 26.50 188.50 330.50 g 816.00 1119.00 f 4199.67
1954 1173.00 833.30 e 928.85 d 482.50 291.00 140.17 a 0.00 26.50 142.24 a 440.09 c 769.50 1164.50 6391.66
1955 1347.00 1231.00 947.22 d 470.00 j 460.50 156.50 7.50 2.50 152.50 331.50 i 927.50 1140.28 a 6372.51
1956 1005.90 b 1179.00 678.00 f 459.50 g 337.68 c 45.50 1.50 h 54.50 i 112.00 k 561.21 b 1026.00 e 1204.02 c 5359.30
1957 1191.43 a 882.00 881.00 692.00 495.50 142.50 20.00 32.00 259.80 e 533.00 1018.00 1140.59 b 7287.82
1958 1222.50 921.00 971.50 685.00 336.83 e 60.50 7.15 e 4.50 120.00 o 489.00 843.00 1042.00 6582.98
1959 1157.91 d 1008.00 906.50 571.03 a 354.50 41.25 b 4.00 8.00 226.50 528.72 d 893.00 1095.00 6794.41
1960 1457.00 1251.00 864.50 576.50 419.02 a 91.00 4.50 23.00 115.50 539.00 860.50 1216.50 7418.02
1961 1277.50 963.50 862.50 645.50 343.50 69.50 5.50 9.30 a 226.00 h 313.50 o 902.00 1379.00 6457.80
1962 1368.50 936.00 996.00 515.00 388.00 124.50 13.00 23.00 148.50 452.50 746.50 1070.00 6781.50
1963 1520.00 915.00 879.00 623.00 274.50 137.00 0.00 15.50 110.50 387.00 826.50 1207.00 6895.00
1964 1329.00 1180.50 1005.50 694.00 371.00 149.50 1.50 52.50 223.50 471.00 909.00 1274.50 7661.50
1965 1201.50 1062.00 972.00 643.50 444.00 215.00 6.00 51.00 310.50 466.50 763.50 1117.50 7253.00
1966 1431.00 1219.50 864.00 594.00 331.24 d 134.46 b 4.00 53.14 c 122.00 n 631.07 c 465.50 m 345.00 t 5262.42
1967 730.50 n 612.50 i 554.50 h 316.50 o 151.00 q 178.27 d 6.09 c 74.52 e 126.50 o 323.00 k 414.00 o 531.00 q 258.88
1968 617.00 p 671.00 j 593.00 k 475.50 l 164.00 s 88.50 h 17.00 i 55.00 q 206.50 m 368.50 i 332.50 r 515.50 r 0.00
1969 507.00 q 790.50 f 1026.50 563.00 332.14 c 161.79 b 6.95 b 3.00 174.83 a 625.17 a 899.50 1074.67 d 4867.54
1970 1196.00 864.50 763.00 h 815.00 389.50 208.45 a 15.50 6.50 298.00 680.00 864.50 1211.21 c 6549.16
1971 1416.81 d 1018.50 933.50 671.00 479.50 130.00 10.50 17.00 296.00 616.50 931.50 1352.50 7873.31
1972 1256.50 960.00 746.00 627.00 368.50 87.50 1.00 50.00 197.50 468.50 1038.50 1431.00 7232.00
1973 1514.50 1066.00 961.00 740.00 402.50 173.00 30.00 19.50 288.00 543.00 881.50 1196.50 7815.50
1974 1443.50 1308.50 826.00 713.50 346.50 91.50 7.23 a 51.50 203.50 453.50 887.00 1255.00 7587.23
1975 1507.00 1163.00 976.00 738.00 473.50 203.00 10.00 67.00 233.50 576.00 940.50 1280.00 8167.50
1976 1390.00 926.50 948.00 612.50 352.50 140.50 0.00 z 55.50 212.50 661.00 936.50 1248.50 7484.00
1977 1503.50 965.50 1009.50 584.00 425.50 36.50 7.00 19.50 180.50 510.00 852.50 1113.50 7207.50
1978 1262.00 1092.00 799.50 582.00 495.00 112.50 13.50 41.50 210.50 479.00 815.00 1489.00 7391.50
1979 1558.00 1265.00 989.50 629.50 0.00 z 153.50 39.50 84.50 135.00 0.00 z 0.00 z 1127.50 5982.00
1980 1193.00 1041.50 966.37 e 650.00 444.50 97.00 11.50 104.50 246.00 677.50 442.00 n 1059.54 c 6491.40
1981 1058.50 923.46 b 918.00 541.00 384.50 87.50 7.00 22.00 132.50 523.50 823.97 a 1120.00 6541.93
1982 1405.50 1131.00 949.50 663.50 437.00 251.50 68.50 61.00 420.50 709.00 893.50 1211.00 8201.50
1983 1138.50 899.50 817.50 738.50 441.00 143.00 7.50 0.00 95.00 453.50 898.50 1147.00 6779.50
1984 1347.50 1075.00 853.00 781.00 196.50 72.41 a 0.00 12.00 112.00 630.00 710.50 1044.50 6834.41
1985 1125.00 1033.00 805.00 548.50 321.88 a 56.00 1.00 3.00 259.14 a 476.00 924.31 a 1188.00 6740.83
1986 990.97 a 789.00 703.50 557.78 c 365.00 41.25 b 11.00 m 9.00 271.07 b 574.02 a 833.50 1065.00 6200.08
1987 1241.15 d 854.50 942.50 508.50 323.50 42.41 a 0.00 z 0.00 z 0.00 z 431.00 825.50 1182.50 6351.56
1988 1389.00 1021.00 889.50 545.50 315.50 31.00 0.00 5.00 209.50 380.50 887.50 1196.50 6870.50
1989 0.00 z 439.50 m 677.50 467.50 278.00 91.00 1.00 20.00 123.50 528.50 845.00 1175.50 4207.50
1990 1290.50 992.50 746.00 534.00 400.50 79.00 17.50 53.50 137.50 571.00 887.00 1517.50 7226.50
1991 1423.50 980.50 916.00 707.00 412.00 186.00 13.50 15.00 223.00 518.50 974.50 1205.50 7575.00
1992 1400.00 950.00 796.00 515.00 318.50 147.00 28.50 69.50 229.00 484.50 263.00 v 0.00 z 4938.00
1993 1237.50 1039.50 832.50 661.00 372.00 174.50 12.50 v 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4317.00
Period of Record Statistics
MEAN 1319.07 1026.63 886.54 611.05 375.59 123.50 11.05 30.99 198.57 530.96 885.92 1201.16 7214.66
S.D. 147.36 137.84 87.64 85.84 69.29 50.65 11.92 26.53 64.61 74.44 82.04 125.38 462.92
SKEW 0.01 0.56 -0.10 0.18 -0.12 0.15 2.37 0.97 0.62 0.39 0.32 0.87 0.07
MAX 1668.00 1412.50 1114.50 815.00 538.00 251.50 68.50 113.31 420.50 709.00 1103.00 1566.50 8201.50
MIN 990.97 770.56 677.50 418.00 194.00 31.00 0.00 0.00 95.00 380.50 710.50 981.00 6078.50
NO YRS 73 73 73 75 75 76 71 75 70 71 71 73 50