LAMAR, COLORADO

Monthly Total Heating Degree Days

(054770)

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 881.00 878.50 359.00 o 327.00 84.00 r 13.50 1.00 0.00 23.00 307.00 714.00 885.00 4030.00
1894 779.50 g 447.00 q 0.00 z 0.00 z 0.00 z 0.00 n 0.00 0.00 b 46.50 h 0.00 z 0.00 z 0.00 z 0.00
1895 0.00 z 0.00 z 739.00 179.00 m 137.50 20.00 17.50 3.00 73.00 360.00 325.00 q 0.00 z 1350.00
1896 0.00 z 0.00 z 0.00 z 94.50 p 52.50 4.50 0.00 3.00 74.00 368.00 700.50 f 840.00 1342.00
1897 1115.50 834.00 736.00 377.00 45.50 18.00 0.00 0.00 19.00 336.50 699.00 1090.00 5270.50
1898 1139.00 731.00 724.00 324.50 202.50 26.50 0.50 0.00 c 114.50 434.00 755.00 1196.00 5647.50
1899 1122.50 1271.50 710.50 296.50 83.00 4.00 1.00 0.00 42.50 284.00 567.50 1103.00 5486.00
1900 844.00 893.50 583.00 390.00 96.00 0.00 0.00 0.00 62.50 204.50 665.00 953.77 a 4692.27
1901 1008.50 996.50 664.50 350.00 72.50 3.00 0.00 0.00 52.00 229.50 559.66 a 1005.00 4941.16
1902 990.00 743.00 636.00 292.50 49.50 8.00 0.00 0.00 57.00 247.00 638.50 1041.00 4702.50
1903 894.00 1107.50 761.50 340.34 a 127.50 67.50 4.00 0.00 71.50 312.50 671.00 925.50 5282.84
1904 1042.50 725.50 508.00 307.50 103.00 16.00 0.00 2.00 19.00 272.80 a 631.00 1046.50 4673.80
1905 1131.00 1138.00 490.00 382.50 110.00 0.00 0.00 0.00 1.50 317.48 b 514.66 a 957.26 b 5042.40
1906 790.50 693.00 875.00 290.50 107.00 18.50 4.50 0.50 27.50 383.00 710.00 792.00 4692.00
1907 923.00 667.50 415.00 403.00 270.00 18.50 0.00 3.00 35.00 229.00 706.50 963.00 4633.50
1908 947.00 805.00 540.00 312.00 157.21 c 1.50 0.00 0.00 a 57.50 349.00 717.50 976.50 4863.21
1909 991.00 783.00 720.50 419.50 139.50 2.50 0.00 0.00 38.00 347.50 620.50 1300.50 5362.50
1910 1050.50 902.00 362.50 277.50 156.00 11.00 0.00 0.00 16.00 207.50 570.00 934.00 4487.00
1911 865.50 924.00 472.50 248.50 85.00 0.00 0.00 10.50 5.50 374.50 796.00 1275.50 5057.50
1912 1414.00 929.00 973.50 378.00 118.50 28.50 3.50 0.00 166.00 315.00 656.50 1043.00 6025.50
1913 1092.50 1137.00 718.50 306.50 52.00 38.00 0.00 0.00 154.00 409.50 597.50 1231.00 5736.50
1914 922.00 804.00 467.50 318.50 110.00 0.00 0.00 0.00 12.50 259.00 605.50 1261.00 4760.00
1915 1123.00 702.00 899.50 302.00 274.50 44.00 16.00 8.55 b 61.03 a 292.00 632.00 1097.50 5452.09
1916 1224.00 788.00 475.00 483.33 c 184.50 15.00 0.00 a 9.50 93.00 414.88 a 808.97 a 1164.00 5660.18
1917 1147.50 803.00 764.00 461.00 326.00 74.00 0.00 2.07 a 50.00 469.50 507.50 1004.00 5608.57
1918 1233.00 704.00 397.00 455.17 a 57.00 1.00 0.00 0.00 89.00 197.00 779.50 1066.50 4979.17
1919 1304.50 980.00 d 622.00 367.00 68.00 71.50 0.00 0.00 13.50 365.50 801.00 1151.00 5744.00
1920 0.00 z 0.00 z 0.00 z 447.12 d 142.50 19.00 11.00 0.50 31.00 0.00 z 995.50 1116.50 2763.12
1921 896.00 716.50 476.50 378.50 95.00 8.50 0.00 0.00 16.07 b 190.50 605.00 978.00 4360.57
1922 1141.00 795.50 637.00 372.50 101.50 16.00 0.00 0.00 0.00 262.95 c 658.00 924.00 4908.45
1923 638.00 g 918.96 c 769.50 330.00 179.50 8.79 a 0.00 1.00 48.00 437.62 a 655.00 1010.00 4358.37
1924 1096.00 744.00 1040.50 377.50 253.00 15.50 2.50 0.00 85.00 260.00 695.50 1454.00 6023.50
1925 1312.00 667.50 511.50 254.50 84.50 9.00 4.00 0.00 67.50 491.00 768.50 901.00 5071.00
1926 952.00 624.00 646.00 408.50 106.95 a 0.00 0.00 0.00 76.50 220.50 671.50 1095.00 4800.95
1927 988.00 717.00 668.00 266.00 47.00 14.00 0.00 4.00 85.00 190.50 541.00 1155.50 4676.00
1928 626.00 h 847.00 571.00 401.00 145.50 41.00 0.00 2.00 60.00 309.50 699.00 1077.50 4153.50
1929 1085.50 1040.00 608.50 318.50 118.50 2.50 0.00 0.00 z 0.00 z 0.00 z 871.15 d 943.00 4987.65
1930 1402.50 569.00 683.50 177.00 196.50 3.00 3.10 a 0.00 34.00 304.00 718.00 1088.50 5179.10
1931 960.00 651.00 785.50 371.50 187.00 0.00 0.00 0.00 7.00 228.00 737.50 1034.50 4962.00
1932 1126.00 639.50 842.00 276.00 41.00 3.00 0.00 0.00 39.00 367.00 625.00 1321.00 5279.50
1933 888.50 913.50 505.00 412.50 155.50 0.00 0.00 d 0.50 2.00 222.00 583.50 749.00 4432.00
1934 831.00 688.00 548.00 259.50 31.00 0.00 0.00 0.00 72.60 e 52.00 j 372.50 m 887.50 3317.60
1935 905.50 692.00 473.00 341.50 223.00 0.00 0.00 0.00 17.50 212.00 0.00 z 0.00 z 2864.50
1936 1073.50 1054.00 494.97 a 339.81 d 68.20 a 7.50 0.00 0.00 83.00 0.00 z 309.50 k 842.00 3962.97
1937 841.00 k 839.50 780.50 295.00 80.50 34.00 0.00 0.00 17.50 323.50 756.50 1083.00 4210.00
1938 974.00 805.50 553.00 379.50 159.00 1.50 0.00 0.00 10.50 208.00 854.00 989.50 4934.50
1939 930.50 1048.00 718.50 328.00 66.50 0.00 0.00 2.00 30.50 f 274.00 717.41 a 927.00 5011.91
1940 1524.50 840.00 481.50 f 382.00 89.50 12.50 2.00 0.00 25.50 220.50 802.00 938.50 4837.00
1941 979.50 825.00 770.00 414.50 92.00 22.50 0.00 0.00 95.00 319.00 677.00 999.50 5194.00
1942 1169.00 990.00 754.00 313.00 129.50 27.50 0.00 7.00 113.00 347.00 668.50 1022.48 a 5540.98
1943 1019.50 708.00 820.50 235.50 253.50 19.50 0.00 0.00 65.50 393.50 748.50 1157.00 5421.00
1944 1097.92 a 866.00 820.50 557.50 142.50 14.00 2.00 1.00 44.00 297.50 697.50 1045.00 5585.42
1945 1097.00 845.00 609.67 d 518.50 157.00 57.00 2.00 6.50 145.00 358.50 687.50 1155.50 5639.17
1946 1076.50 771.50 569.00 196.00 229.00 36.00 0.00 13.00 62.00 338.50 1033.50 900.00 5225.00
1947 1070.00 931.50 806.50 415.50 184.00 40.50 0.00 0.00 40.50 218.00 847.00 1036.50 5590.00
1948 1142.50 1047.00 1013.50 216.50 118.00 8.00 0.00 0.00 34.50 334.00 834.50 1010.50 5759.00
1949 1378.00 928.50 686.50 379.00 95.00 20.00 0.00 0.00 a 28.50 363.50 521.50 1005.00 5405.50
1950 1120.50 717.50 741.50 412.00 154.00 17.00 0.00 10.50 71.00 171.50 800.00 959.50 5175.00
1951 1186.00 788.00 827.50 508.50 146.00 80.00 1.50 7.50 108.00 398.50 829.50 1084.00 5965.00
1952 983.00 838.50 820.50 411.00 162.50 0.00 3.50 0.00 40.50 386.50 884.50 1021.50 5552.00
1953 818.50 828.50 567.00 493.50 234.00 4.50 0.00 0.50 28.50 273.00 686.00 1149.50 5083.50
1954 1120.50 587.50 790.00 239.00 213.00 12.00 2.00 0.00 24.00 346.50 609.50 953.00 4897.00
1955 1068.00 984.00 772.93 a 315.00 95.00 41.00 0.00 0.00 64.50 281.50 796.50 1041.00 5459.43
1956 1073.63 a 1059.50 706.50 456.50 86.50 0.00 0.00 14.00 24.50 201.50 793.00 925.35 a 5340.98
1957 1239.50 709.00 741.50 513.00 207.00 28.50 0.00 0.00 97.00 324.50 816.50 852.50 5529.00
1958 1070.00 840.00 1015.50 490.00 76.00 14.50 0.00 0.00 a 57.00 330.50 775.00 970.50 5639.00
1959 1204.50 889.50 753.00 424.00 105.00 4.50 0.00 0.00 135.50 441.00 824.50 899.50 5681.00
1960 1234.50 1253.50 878.50 289.50 131.50 15.50 5.00 3.00 46.00 298.50 701.50 1150.00 6007.00
1961 1065.00 828.00 696.50 444.50 147.50 19.00 0.00 0.00 158.00 342.00 832.00 1167.50 5700.00
1962 1375.00 770.50 821.00 288.50 46.00 33.50 0.00 0.00 62.00 233.00 671.50 917.50 5218.50
1963 1386.00 745.50 617.00 252.00 73.00 10.50 0.00 0.00 10.00 123.00 659.00 1231.50 5107.50
1964 1017.50 1020.50 852.00 403.00 129.00 18.50 0.00 2.50 98.50 328.00 718.50 1008.00 5596.00
1965 920.00 940.00 1001.50 275.50 95.50 12.50 0.00 0.00 185.50 260.50 569.50 1037.00 5297.50
1966 1349.50 1061.00 0.00 z 410.00 104.50 9.50 0.00 7.50 51.00 368.50 707.00 1144.00 5212.50
1967 975.50 785.00 549.00 237.00 237.50 15.50 0.00 15.00 41.00 301.00 708.00 1069.50 4934.00
1968 1014.50 832.50 604.50 388.50 214.00 2.00 3.00 13.00 39.00 271.00 777.50 1153.50 5313.00
1969 934.00 764.00 985.50 244.00 92.00 43.00 0.00 0.00 16.00 523.50 688.50 962.50 5253.00
1970 1019.00 698.50 878.50 413.00 77.50 38.00 2.50 0.00 120.50 475.00 716.00 934.00 5372.50
1971 1053.00 856.00 651.50 351.50 161.50 0.00 2.50 0.00 157.50 325.50 686.00 964.00 5209.00
1972 1095.50 755.00 464.50 284.00 138.00 1.00 12.50 3.50 66.96 b 358.50 983.00 1296.50 5458.96
1973 1136.00 0.00 z 677.50 508.50 180.50 12.00 0.00 0.00 119.00 268.50 747.50 1022.50 4672.00
1974 1230.50 756.00 524.50 308.50 59.50 20.50 0.00 1.00 116.00 259.50 706.00 1076.00 5058.00
1975 1037.00 902.50 711.50 403.00 122.50 25.50 0.00 0.00 120.50 281.50 831.00 896.50 5331.50
1976 1051.50 652.00 664.00 273.00 160.00 3.00 0.00 a 2.00 68.50 468.00 801.50 953.50 5097.00
1977 1214.50 713.48 a 606.05 a 268.50 31.50 0.00 0.00 1.50 7.00 307.00 690.50 932.00 4772.03
1978 1257.00 1076.50 595.50 272.50 204.50 24.00 0.00 7.00 47.00 309.00 757.00 1184.00 5734.00
1979 1439.00 866.50 609.00 329.50 213.00 29.00 0.00 3.00 27.50 261.00 828.00 939.00 5544.50
1980 1249.00 856.50 784.00 442.50 211.00 8.00 0.00 0.00 31.00 355.00 744.50 832.00 5513.50
1981 917.00 770.50 613.00 175.00 171.50 3.00 0.00 0.00 27.50 294.00 583.50 981.50 4536.50
1982 1075.50 995.50 627.50 368.50 115.00 26.00 0.00 0.00 42.50 322.50 748.00 1008.00 5329.00
1983 1047.00 776.00 749.00 527.50 235.00 26.50 0.00 0.00 52.00 281.00 700.50 1412.50 5807.00
1984 1224.50 819.50 756.00 521.00 91.50 1.50 0.00 0.00 132.00 416.50 633.50 962.03 a 5558.03
1985 1220.50 951.00 561.00 262.50 75.00 11.00 0.00 2.50 157.00 376.50 856.00 1124.00 5597.00
1986 758.00 753.00 437.00 254.50 83.00 13.00 0.00 0.00 46.50 337.00 744.00 989.00 4415.00
1987 995.00 724.00 717.50 353.00 94.50 2.50 2.00 5.50 47.00 364.50 745.50 1124.50 5175.50
1988 1364.00 909.50 752.50 410.50 137.50 6.00 0.00 2.50 79.00 362.50 717.50 1021.50 5763.00
1989 985.00 1141.00 638.50 346.50 158.00 67.50 0.00 2.50 142.50 376.50 723.00 1228.00 5809.00
1990 1076.50 896.50 692.50 315.50 195.00 1.00 5.50 1.00 28.50 324.50 624.00 1240.00 5400.50
1991 1161.00 683.00 652.00 344.50 112.00 1.50 6.00 4.00 92.00 398.00 972.50 1051.00 5477.50
1992 1045.50 777.50 624.00 369.50 177.00 58.50 2.50 34.50 34.00 407.00 976.00 1337.50 5843.50
1993 1352.00 1030.00 681.00 418.00 153.00 24.50 0.00 16.00 141.00 444.50 939.00 1005.50 6204.50
1994 1074.00 979.50 631.00 417.50 95.00 0.00 0.00 0.00 64.50 339.50 760.50 877.00 5238.50
1995 1007.50 742.00 714.00 526.50 269.50 45.00 4.50 0.00 122.00 409.50 701.00 1005.50 5547.00
1996 1135.00 921.00 839.50 348.50 101.00 3.50 7.50 2.00 96.00 341.50 821.00 1063.00 5679.50
1997 1151.50 882.00 618.00 556.00 132.00 10.00 0.00 6.50 64.50 462.00 864.50 1146.00 5893.00
1998 1041.50 755.00 812.00 461.50 77.50 49.00 0.00 0.00 14.50 317.00 656.50 1099.00 5283.50
1999 964.00 696.50 681.47 b 422.00 175.50 12.00 0.00 0.00 132.00 396.00 607.00 984.00 5070.47
2000 1014.00 762.00 663.83 b 332.50 138.50 16.00 0.00 0.00 39.44 c 333.00 919.00 1172.50 5390.77
2001 1178.50 1012.50 760.03 b 306.00 147.00 14.50 0.00 0.00 55.50 363.00 652.50 1030.50 5520.03
2002 1059.00 905.50 821.00 281.00 132.00 7.50 0.00 0.00 65.50 489.50 762.50 1041.50 5565.00
2003 998.00 945.00 655.00 305.50 120.50 36.00 0.00 5.50 86.50 245.00 783.00 980.00 5160.00
2004 1061.00 934.50 508.00 374.00 94.50 25.50 17.50 8.00 49.50 312.50 761.00 986.50 5132.50
2005 1038.00 806.50 691.50 379.50 149.00 22.50 3.50 2.00 23.00 339.00 661.00 1065.00 5180.50
2006 898.00 903.50 691.50 278.50 134.50 0.00 0.00 3.00 127.50 421.00 673.00 1129.00 5259.50
2007 1626.50 1185.50 549.00 497.00 103.50 22.50 0.00 0.00 38.00 299.50 718.50 1164.00 6204.00
2008 1166.50 960.00 685.00 431.50 143.00 12.00 2.50 4.00 61.50 352.00 647.00 1090.50 5555.50
2009 1003.50 738.50 656.50 422.00 147.50 21.50 1.00 0.50 94.00 604.00 680.50 1248.50 5618.00
2010 1091.50 1009.50 724.50 340.50 205.50 9.00 0.00 0.00 5.00 271.00 738.00 952.50 5347.00
2011 1154.50 1035.50 655.00 334.00 170.50 4.00 0.00 0.00 67.00 349.50 698.50 1338.50 5807.00
2012 1045.00 873.00 460.50 265.00 93.50 0.00 0.00 0.00 61.50 424.00 635.50 1078.00 4936.00
2013 1115.00 901.00 728.00 42.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 36.00 z 2744.00
Period of Record Statistics
MEAN 1090.30 855.30 681.50 359.55 134.69 17.15 1.33 2.28 62.92 327.16 724.88 1049.68 5316.65
S.D. 155.86 142.81 139.91 84.71 59.46 17.85 3.26 4.66 42.84 81.45 104.63 130.21 405.02
SKEW 0.71 0.56 0.21 0.25 0.63 1.49 3.48 3.69 0.77 0.34 0.53 0.59 -0.25
MAX 1626.50 1271.50 1040.50 557.50 326.00 80.00 17.50 34.50 185.50 604.00 1033.50 1454.00 6204.50
MIN 758.00 569.00 362.50 175.00 31.00 0.00 0.00 0.00 0.00 123.00 507.50 749.00 4360.57
NO YRS 114 116 115 117 118 119 120 119 117 115 114 117 104