BYERS 5 ENE, COLORADO

Monthly Total Heating Degree Days

(051179)

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 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
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 0.00 z 0.00 z 0.00 z 0.00
1920 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
1921 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
1922 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
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1924 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
1925 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
1926 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
1927 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
1928 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
1929 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
1930 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 55.50 u 444.00 785.00 1148.00 2377.00
1931 1033.50 792.00 927.00 507.50 289.50 29.00 5.00 4.50 66.50 363.50 898.00 1045.50 5961.50
1932 1226.50 812.50 1080.87 a 490.00 231.50 47.50 0.00 6.00 104.00 507.50 657.50 1363.00 6526.87
1933 1008.50 1076.50 722.00 598.00 330.00 10.00 0.00 17.50 55.50 283.00 662.50 830.50 5594.00
1934 866.00 817.50 664.00 440.50 143.00 18.00 0.50 8.00 211.00 277.00 699.50 1003.50 5148.50
1935 903.00 846.00 727.50 607.50 513.50 76.50 0.00 5.50 142.50 430.00 871.00 1060.50 6183.50
1936 1125.00 1176.50 787.00 474.31 a 196.50 31.50 0.00 9.00 149.00 506.00 782.50 1006.00 6243.31
1937 1661.00 995.56 a 905.50 541.00 228.00 137.00 0.00 0.00 a 64.00 376.00 808.50 1192.00 6908.56
1938 1100.50 867.50 690.50 511.00 321.50 42.50 2.00 1.00 73.50 332.50 941.50 1113.50 5997.50
1939 1143.50 1207.11 a 819.00 535.18 b 188.00 39.50 0.00 28.00 46.67 c 369.50 667.50 822.02 a 5865.97
1940 1354.18 a 888.50 705.50 513.50 216.50 47.50 4.00 2.00 82.00 339.50 883.50 1001.50 6038.18
1941 1030.00 839.50 891.50 576.00 226.96 c 95.00 4.00 1.00 168.00 497.50 689.50 1036.50 6055.46
1942 1262.50 1247.00 926.50 441.00 343.50 58.00 5.50 4.00 148.00 435.00 699.00 932.07 a 6502.07
1943 1050.00 763.00 b 925.50 354.00 e 373.55 a 114.50 0.00 0.00 109.00 411.50 749.00 1020.00 5870.05
1944 1080.00 964.50 996.50 707.50 151.00 64.00 4.00 10.00 104.50 359.50 774.50 1193.50 6409.50
1945 1129.00 889.00 764.50 727.00 314.50 172.50 7.50 17.00 233.50 387.00 745.00 1143.50 6530.00
1946 1082.50 857.00 675.00 323.50 400.50 68.50 4.00 17.50 116.00 462.00 992.50 869.00 5868.00
1947 1095.00 441.00 o 846.09 b 581.50 311.00 118.00 1.50 3.00 88.00 313.50 950.50 1019.00 5327.09
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.50 33.50 f 425.70 c 863.33 c 1076.50 2366.03
1949 1469.00 962.00 825.00 469.00 258.00 82.50 0.00 4.50 96.50 474.00 529.66 a 1015.00 6185.16
1950 1090.00 724.00 842.96 e 515.36 b 229.00 k 59.48 a 7.75 e 13.00 159.00 191.00 784.50 909.50 5296.55
1951 1222.00 895.00 882.97 b 628.50 250.50 131.50 h 13.90 b 3.74 b 130.80 e 502.00 851.50 1122.50 6503.40
1952 962.55 a 930.32 d 943.84 c 521.00 275.00 3.62 a 10.50 4.00 73.00 381.00 970.50 1076.50 6151.83
1953 862.50 920.50 695.00 672.00 337.68 c 30.50 0.00 3.50 55.56 c 340.00 675.00 1061.75 a 5653.98
1954 697.50 f 618.50 943.00 348.33 c 277.34 c 39.83 a 0.00 a 6.72 a 61.50 427.36 c 656.00 977.50 4356.07
1955 1234.83 d 1045.69 b 857.50 465.00 205.00 118.97 a 0.00 4.00 133.50 357.00 875.00 959.50 6255.99
1956 999.00 1153.50 842.50 610.18 b 164.50 0.00 f 2.50 32.00 58.45 a 293.97 b 914.00 973.50 6044.09
1957 1281.00 711.85 b 852.50 710.50 262.00 h 96.50 0.00 3.21 b 166.07 b 427.50 857.00 844.00 5950.12
1958 1046.00 793.00 1001.00 633.00 139.00 18.00 11.50 4.00 102.00 366.50 757.00 973.06 d 5844.06
1959 1118.50 980.50 870.87 d 593.00 265.10 b 22.50 2.50 3.50 194.00 561.62 a 889.50 1003.22 b 6504.81
1960 1252.50 1206.00 895.00 485.50 282.62 a 44.50 10.33 a 14.00 91.07 b 373.66 c 778.50 1217.55 b 6651.23
1961 1120.98 c 629.00 g 0.00 z 501.00 g 223.31 d 58.00 11.00 0.50 277.50 449.50 868.50 1199.00 4208.30
1962 1356.00 897.50 915.00 432.00 182.00 81.00 1.00 15.50 106.50 340.00 696.50 955.00 5978.00
1963 1458.00 798.50 838.50 465.00 160.50 36.50 0.00 1.50 20.50 219.00 681.00 1116.00 5795.00
1964 475.00 o 1082.00 969.50 543.50 242.50 69.50 0.00 19.50 152.50 405.50 820.00 1053.50 5358.00
1965 954.50 1003.50 1140.50 431.00 236.50 66.50 l 2.00 12.00 304.00 326.00 628.50 951.50 5990.00
1966 1253.50 1075.50 726.00 575.00 180.00 50.00 0.00 19.50 92.00 474.00 736.50 1102.00 6284.00
1967 1027.00 877.50 671.50 479.50 394.00 136.00 3.50 27.50 141.50 410.00 822.50 1251.00 6241.50
1968 1110.50 928.50 776.50 670.50 382.50 42.00 13.00 31.50 137.50 376.00 882.00 1120.50 6471.00
1969 1004.50 840.00 1039.00 398.00 215.50 157.50 0.00 0.00 63.00 781.50 818.50 1055.50 6373.00
1970 1093.50 767.00 1002.00 661.00 221.50 111.00 0.00 0.00 197.00 617.50 792.00 1036.50 6499.00
1971 1187.00 1025.50 891.50 564.00 372.00 34.50 10.50 0.00 245.00 494.00 820.00 1093.00 6737.00
1972 1181.00 884.00 674.50 515.50 305.50 8.00 31.50 14.50 129.50 449.00 1158.00 1447.50 6798.50
1973 1356.50 1043.00 898.00 699.50 331.50 82.00 21.00 1.00 209.00 421.00 885.50 1199.00 7147.00
1974 1456.50 1006.00 750.50 565.00 191.00 73.50 0.00 21.00 228.50 421.00 898.00 1203.00 6814.00
1975 1170.00 1026.00 931.00 671.00 409.00 105.50 2.50 5.00 207.00 396.00 957.50 983.00 6863.50
1976 1101.00 828.50 887.00 495.00 295.50 74.50 0.00 4.00 159.50 573.50 890.50 1032.50 6341.50
1977 1283.50 880.00 901.00 524.50 192.50 0.00 0.00 13.00 70.00 461.50 842.00 1043.00 6211.00
1978 1328.00 1026.00 737.00 485.00 331.00 86.00 4.00 21.50 113.00 415.00 855.50 1345.00 6747.00
1979 1567.00 948.00 794.00 512.00 341.50 91.00 2.00 22.00 83.50 399.00 1093.50 1154.50 7008.00
1980 1357.00 998.50 907.50 613.00 335.50 25.00 0.00 9.50 75.50 508.00 827.00 806.50 6463.00
1981 1022.00 905.00 908.00 357.00 322.00 50.00 3.50 28.00 58.00 451.00 685.50 1040.50 5830.50
1982 1121.50 993.00 782.50 562.00 306.50 115.50 7.50 0.00 128.50 510.00 934.00 1074.00 6535.00
1983 1153.00 859.50 911.50 725.00 394.00 135.00 7.50 0.00 103.00 426.00 867.50 1582.50 7164.50
1984 1420.50 1113.50 967.00 706.00 225.00 61.00 0.00 0.00 181.50 618.50 782.50 992.00 7067.50
1985 1218.30 a 1116.50 766.00 451.00 221.50 69.50 0.00 2.00 249.50 490.50 1055.50 1218.50 6858.80
1986 833.50 850.00 604.00 449.00 273.00 29.50 0.00 0.00 144.31 a 489.50 799.00 1289.50 5761.31
1987 1159.50 829.00 877.50 436.00 220.00 19.50 12.00 30.00 156.50 479.00 849.00 1176.50 6244.50
1988 1369.00 989.00 833.00 474.00 217.00 17.50 4.00 0.00 141.00 382.50 780.00 1150.00 6357.00
1989 1023.00 1176.00 673.50 422.00 210.50 97.50 0.50 3.50 157.50 464.00 735.50 1279.50 6243.00
1990 1060.00 1004.50 777.50 489.50 299.00 19.00 17.50 4.50 76.00 413.00 724.00 1286.00 6170.50
1991 1234.50 777.50 759.50 534.50 192.00 23.50 12.50 3.50 130.00 460.50 1023.50 1162.50 6314.00
1992 1264.00 810.50 710.50 383.50 176.50 58.00 10.00 25.00 88.50 367.00 1027.50 1424.50 6345.50
1993 1409.00 1146.00 751.00 534.50 243.50 92.00 8.50 24.50 181.50 516.50 994.00 1056.00 6957.00
1994 1069.00 1005.50 704.00 510.50 135.50 7.00 5.50 1.00 86.00 458.50 865.50 962.00 5810.00
1995 1119.00 825.00 781.00 666.50 460.00 105.00 23.50 14.00 174.00 532.00 737.50 1026.50 6464.00
1996 1195.50 952.50 886.50 507.50 237.50 35.00 3.50 0.00 166.00 413.50 820.00 1013.50 6231.00
1997 1195.00 897.50 718.50 672.50 253.00 22.00 2.00 8.50 93.50 473.50 894.50 1185.00 6415.50
1998 1026.00 836.50 826.50 579.00 148.50 101.00 0.00 0.50 37.50 436.50 696.50 1147.50 5836.00
1999 1005.50 789.00 693.00 647.00 322.00 86.50 0.00 3.10 a 204.00 463.00 629.50 1003.37 a 5845.97
2000 1023.00 804.00 767.00 472.00 216.50 52.00 0.00 0.00 z 164.48 a 431.93 a 1063.00 1159.00 6152.92
2001 1138.00 1000.00 829.50 506.50 284.50 59.50 0.00 2.00 81.21 a 473.50 763.50 1066.00 6204.21
2002 1118.00 951.00 997.00 471.50 281.50 22.00 0.00 0.00 117.50 599.00 861.50 1022.50 6441.50
2003 940.50 1067.00 787.50 404.00 262.50 80.00 0.00 5.00 175.50 323.00 893.00 1054.50 5992.50
2004 1089.00 1032.00 634.00 495.00 234.00 103.00 20.00 30.00 108.50 414.00 867.00 1025.50 6052.00
2005 1019.00 858.50 808.00 595.00 279.00 80.50 3.00 5.50 70.50 429.00 678.00 1171.50 5997.50
2006 894.00 980.50 823.50 441.00 227.00 15.00 b 1.50 16.50 238.50 495.50 778.00 1129.50 6040.50
2007 1540.50 1152.00 617.42 a 553.93 b 204.50 53.50 0.00 a 0.52 a 99.00 358.00 749.00 1307.50 6635.86
2008 1227.50 975.12 a 784.00 608.00 315.50 67.00 0.00 28.00 165.50 464.00 711.50 1259.00 6605.12
2009 1030.00 809.93 a 803.50 570.52 a 231.50 79.00 5.50 6.50 133.50 710.00 716.50 1285.50 6381.94
2010 1125.50 1038.50 774.50 537.50 374.00 42.00 7.00 0.50 35.50 394.50 862.00 1014.73 a 6206.23
2011 1144.33 b 1082.00 721.50 551.90 a 422.24 b 32.07 a 0.00 0.00 123.50 458.50 818.50 1220.50 6575.03
2012 973.50 1212.00 602.50 388.00 224.50 16.03 a 0.00 j 1.50 109.66 a 562.13 a 726.00 1158.50 5974.32
2013 1173.50 1041.00 958.23 c 19.00 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 3172.73
Period of Record Statistics
MEAN 1154.86 947.44 824.65 532.28 268.24 62.22 4.42 8.81 129.32 435.07 819.52 1097.61 6304.37
S.D. 167.80 133.57 113.65 96.32 79.19 38.85 6.28 9.62 59.61 94.31 117.14 142.18 399.71
SKEW 0.68 0.20 0.22 0.14 0.62 0.58 1.97 1.03 0.63 0.64 0.38 0.64 0.00
MAX 1661.00 1247.00 1140.50 727.00 513.50 172.50 31.50 32.00 304.00 781.50 1158.00 1582.50 7164.50
MIN 833.50 618.50 602.50 323.50 135.50 0.00 0.00 0.00 20.50 191.00 529.66 806.50 5148.50
NO YRS 80 80 81 80 79 78 80 81 81 83 83 83 70