HOLYOKE, COLORADO

Monthly Total Heating Degree Days

(054082)

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 259.00 t 801.00 485.50 66.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 13.00 z 0.00 z 1352.50
1898 1022.00 814.50 967.00 464.00 292.50 31.50 0.00 20.00 m 0.00 z 0.00 z 0.00 z 1253.00 4844.50
1899 1190.00 1470.50 750.00 g 356.00 f 204.50 24.83 a 6.00 1.00 76.67 c 410.50 675.50 1168.18 a 5227.68
1900 1011.50 1109.50 770.00 511.00 162.00 2.50 6.20 a 0.00 97.00 k 353.40 a 849.00 1029.50 5804.60
1901 1189.07 c 1216.00 915.50 546.00 173.50 36.21 a 0.00 e 1.00 85.20 e 0.00 z 546.00 f 1158.50 5320.98
1902 1190.50 1001.00 759.50 c 509.50 164.00 89.50 17.64 b 3.00 m 221.67 c 393.59 c 844.80 e 822.00 k 5191.69
1903 630.50 k 271.50 u 925.23 e 497.07 a 297.82 c 0.00 z 18.50 n 6.72 a 197.68 b 244.50 l 870.00 d 1083.28 d 3877.79
1904 581.00 o 973.73 c 787.18 c 317.00 k 256.50 64.80 e 16.03 b 10.16 b 0.00 z 0.00 z 0.00 z 1041.17 b 3149.57
1905 1296.46 c 1312.37 a 0.00 z 610.18 b 334.36 c 15.52 a 18.37 d 1.07 b 42.22 c 426.00 f 690.00 a 1077.25 a 5397.80
1906 1021.00 0.00 z 0.00 z 0.00 z 270.73 a 37.00 3.58 e 7.23 a 90.00 536.82 a 889.14 a 0.00 z 2855.50
1907 1243.50 877.50 559.79 e 629.00 419.00 60.54 b 2.67 b 6.95 b 50.50 s 356.50 682.50 g 744.50 k 4155.44
1908 1074.50 537.00 m 526.50 k 478.50 327.71 c 68.50 14.50 3.74 b 117.22 c 448.39 c 815.69 a 0.00 z 3348.76
1909 1150.50 1020.50 936.95 b 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3107.95
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 28.50 z 0.00 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 652.00 457.00 275.00 59.50 0.00 b 6.72 a 159.00 503.50 749.00 1354.00 4215.72
1917 1256.50 928.67 a 990.00 531.72 a 0.00 z 111.00 13.00 10.33 d 100.50 460.50 f 386.00 h 0.00 z 3941.72
1918 111.50 x 0.00 z 0.00 z 402.50 l 199.43 a 20.69 a 0.00 b 5.50 s 189.50 358.00 843.33 c 1128.18 c 2739.13
1919 1180.58 a 1165.77 b 846.00 551.54 d 255.50 93.50 f 0.00 g 0.00 108.00 e 638.00 1076.38 a 1376.00 7197.77
1920 1052.50 1019.00 889.00 814.00 298.50 129.50 20.00 59.93 a 0.00 z 0.00 z 0.00 z 0.00 z 4282.43
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 871.00 888.50 446.50 183.50 101.00 1.50 12.50 163.50 278.00 678.00 1217.35 e 4841.35
1928 896.86 b 905.50 724.50 378.00 f 179.00 113.50 0.00 i 9.00 165.00 m 432.00 838.50 1093.50 5192.36
1929 1255.00 1247.50 769.12 b 493.50 298.08 e 64.00 2.00 0.00 290.56 c 474.30 a 1118.50 1029.50 7042.05
1930 1642.00 704.50 874.00 216.00 h 304.50 47.50 0.53 b 0.00 99.50 493.00 840.52 a 878.00 g 5006.05
1931 0.00 z 783.00 977.50 521.00 328.08 a 27.50 4.50 3.00 52.00 382.00 915.00 1158.00 5151.58
1932 1365.00 946.00 1089.00 462.00 179.00 34.80 e 0.00 4.00 119.50 283.00 q 907.00 1581.00 a 6687.30
1933 1074.50 1196.50 771.79 b 619.66 a 323.00 33.00 5.17 d 33.58 a 49.50 368.50 674.50 854.50 6004.20
1934 730.50 0.00 z 0.00 z 0.00 z 76.95 c 3.50 1.00 25.50 206.00 315.50 717.00 1085.50 3161.45
1935 1046.77 a 803.25 d 748.50 617.00 433.48 a 78.00 0.00 16.50 145.50 477.40 a 946.15 d 873.50 f 5312.55
1936 1220.00 1422.00 786.50 527.50 165.00 43.00 4.00 2.00 118.50 515.50 131.00 z 1066.50 5870.50
1937 1655.50 1014.74 a 920.00 501.72 a 173.00 86.00 0.00 0.00 73.50 411.00 870.50 1134.50 6840.46
1938 1056.58 a 928.50 689.00 491.67 c 264.00 30.50 0.00 0.00 a 55.00 273.83 a 942.50 1090.00 5821.58
1939 1040.50 1178.00 825.50 504.31 a 151.26 b 35.19 d 0.00 18.50 73.00 352.50 706.55 a 914.00 5799.31
1940 1533.98 a 922.00 756.92 a 539.50 188.58 a 22.50 4.50 3.50 63.00 237.50 877.50 1014.00 6163.48
1941 1060.00 903.50 877.00 515.50 114.00 92.50 13.00 2.00 150.50 445.00 678.21 b 1068.98 a 5920.20
1942 0.00 z 1182.22 a 939.76 d 368.40 e 335.26 d 54.00 g 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1113.42 a 3939.06
1943 1199.00 873.00 980.00 368.50 374.00 72.50 0.00 0.00 102.00 422.63 a 736.50 1090.50 6218.63
1944 1113.00 1070.00 1013.50 654.50 178.00 57.50 0.00 3.50 92.00 359.50 785.50 1160.00 6487.00
1945 1072.50 902.50 657.00 606.50 0.00 z 154.50 0.50 13.00 193.50 349.50 729.00 1183.00 5861.50
1946 1060.50 834.50 657.00 298.93 b 360.50 77.00 0.00 25.00 104.50 526.00 931.50 932.50 5807.93
1947 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4.50 58.00 432.50 930.50 1164.00 2589.50
1949 1549.00 983.00 845.00 479.50 158.50 36.00 0.00 6.00 147.00 480.50 566.50 1067.00 6318.00
1950 1290.00 802.50 918.50 575.50 327.50 32.00 4.50 5.00 152.50 253.00 825.00 973.50 6159.50
1951 1162.00 905.50 954.00 595.00 205.00 148.50 22.50 15.00 152.50 487.50 857.50 1248.50 6753.50
1952 1068.00 925.00 1016.50 491.50 250.50 0.50 11.50 3.00 69.50 497.50 1013.50 1238.50 6585.50
1953 920.50 968.50 741.00 676.00 350.00 30.50 1.00 6.00 46.03 a 325.50 770.00 1075.00 5910.03
1954 1095.50 602.50 942.40 a 357.00 299.00 45.00 a 4.50 0.00 48.00 476.50 687.00 974.50 5531.90
1955 1249.50 1131.00 895.00 417.00 179.50 108.50 0.00 0.00 125.00 307.93 a 912.00 1115.50 6440.93
1956 1091.00 1084.00 794.00 625.50 132.00 0.00 a 0.00 21.00 63.00 298.50 872.00 947.50 5928.50
1957 1348.50 776.00 912.00 638.00 301.00 45.50 0.00 0.00 142.50 445.50 839.00 870.50 6318.50
1958 1019.00 939.00 1166.50 587.50 128.50 36.00 1.50 1.00 98.50 380.00 785.00 1082.50 6225.00
1959 1168.50 1027.00 843.50 524.50 232.00 18.50 4.00 1.50 164.50 514.00 847.50 892.50 6238.00
1960 1242.00 1253.00 961.50 405.00 230.00 36.50 5.00 7.00 131.00 382.50 743.50 1064.50 6461.50
1961 1045.00 810.00 776.00 621.50 290.00 36.50 0.00 0.00 238.00 414.50 873.00 1179.50 6284.00
1962 1289.50 912.50 914.50 396.00 120.50 60.50 0.00 2.50 125.00 297.50 679.50 956.50 5754.50
1963 1418.50 794.00 725.00 396.50 136.50 7.00 0.00 0.00 41.00 156.50 693.50 1194.00 5562.50
1964 989.00 1024.50 919.00 500.00 188.50 47.50 0.00 17.00 116.00 364.50 774.50 1088.50 6029.00
1965 966.00 983.00 1171.00 366.50 165.50 34.50 0.00 9.00 301.50 259.00 607.00 973.50 5836.50
1966 1320.00 1112.00 696.00 545.50 157.50 39.00 0.00 26.50 102.00 371.00 715.00 1108.00 6192.50
1967 964.00 828.50 640.00 395.00 357.00 51.50 2.50 6.00 81.50 344.50 781.00 1230.50 5682.00
1968 1114.00 878.50 653.00 517.00 317.50 14.00 4.00 19.50 76.50 302.00 832.00 1257.50 5985.50
1969 1221.00 912.00 977.00 341.50 145.50 97.50 0.00 3.00 18.50 683.00 729.50 1025.00 6153.50
1970 1120.00 769.50 1000.50 574.50 142.00 55.00 4.50 0.00 154.50 515.00 770.00 1036.00 6141.50
1971 1148.50 1002.00 855.50 483.00 277.50 9.50 7.50 0.00 205.50 421.00 753.00 1048.50 6211.50
1972 1191.50 809.00 584.50 455.00 241.50 11.00 18.00 13.50 106.00 442.00 1027.00 1355.00 6254.00
1973 1184.00 874.00 740.00 550.50 252.65 a 30.00 10.50 0.00 167.50 362.00 796.00 1079.50 6046.65
1974 1268.00 817.50 645.50 434.00 145.50 51.50 0.00 17.00 179.50 352.50 828.62 a 1109.00 5848.62
1975 1085.50 1013.50 893.50 538.00 220.50 54.00 1.50 7.00 181.00 359.50 901.00 989.00 6244.00
1976 1127.50 780.00 829.00 454.00 240.00 23.50 0.00 4.50 149.50 613.00 927.50 1022.50 6171.00
1977 1343.50 827.00 898.00 418.00 127.50 3.00 0.00 8.00 74.50 398.50 830.00 1055.50 5983.50
1978 1400.50 1188.50 740.50 450.00 263.50 49.50 2.00 7.00 70.86 a 449.50 925.00 1365.00 6911.86
1979 1561.00 1023.00 787.00 457.50 293.50 47.50 0.00 18.00 66.50 357.50 973.50 926.38 a 6511.38
1980 1219.50 967.50 927.00 534.50 231.50 15.00 0.00 11.00 87.00 497.50 798.62 a 899.53 b 6188.66
1981 1027.50 885.00 764.50 269.00 295.50 16.50 1.00 7.50 79.00 479.50 712.50 1011.00 5548.50
1982 1251.50 970.50 779.50 508.50 223.50 95.00 2.00 8.50 164.00 524.00 963.50 1106.50 6597.00
1983 1041.00 818.50 852.50 630.00 324.50 77.00 0.00 0.00 94.50 426.00 840.50 1576.00 6680.50
1984 1195.00 917.00 796.50 651.00 180.00 38.28 a 0.00 0.00 193.50 531.00 778.50 1164.00 6444.78
1985 1271.52 a 1057.00 683.00 360.50 129.00 62.50 0.00 4.50 0.00 z 0.00 z 0.00 z 0.00 z 3568.02
1986 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 129.00 448.00 835.50 1055.50 2468.00
1987 1069.50 794.50 903.13 a 425.00 152.50 19.00 17.50 46.00 124.00 469.50 766.00 1092.50 5879.13
1988 1385.00 1010.50 831.00 539.50 205.50 18.00 6.50 7.50 142.00 442.50 751.00 1007.50 6346.50
1989 1041.00 1209.00 0.00 z 467.50 211.00 86.50 0.50 6.50 178.00 408.50 709.00 1225.50 5543.00
1990 1038.50 1011.50 788.50 486.50 313.50 17.50 29.50 8.50 95.00 436.50 716.00 1315.50 6257.00
1991 1221.00 742.00 784.50 500.00 181.00 12.00 11.00 9.50 112.50 454.50 923.50 1010.00 5961.50
1992 1145.50 754.00 688.50 425.00 198.00 61.50 20.00 58.00 102.00 436.50 930.50 1278.00 6097.50
1993 1305.00 1180.00 801.50 580.50 215.00 95.50 3.00 26.00 224.50 509.50 939.50 1013.00 6893.00
1994 1117.00 1116.00 698.50 482.50 132.00 3.00 6.00 3.50 103.00 436.00 858.00 979.00 5934.50
1995 1129.00 785.00 848.50 632.00 437.00 89.50 19.50 14.00 176.00 477.50 723.00 1021.00 6352.00
1996 1261.00 931.50 972.00 464.50 299.50 24.00 6.00 4.00 183.50 423.50 918.50 1101.50 6589.50
1997 1216.00 924.00 725.00 656.00 274.00 19.00 5.50 16.50 97.00 443.00 849.50 1085.50 6311.00
1998 1051.50 810.50 898.00 545.50 161.00 113.50 4.00 1.50 45.50 430.50 703.50 1073.00 5838.00
1999 971.50 726.44 a 721.00 544.50 229.00 45.50 2.00 11.37 a 182.50 399.50 557.00 908.00 5298.31
2000 1014.50 800.50 723.00 439.50 155.50 41.50 0.00 n 0.00 134.50 450.00 0.00 z 1251.00 5010.00
2001 1091.50 1039.50 806.00 439.00 197.00 57.50 0.00 0.00 84.50 418.50 729.00 1075.50 5938.00
2002 1067.50 919.50 1067.00 457.00 281.00 13.50 0.00 8.50 117.50 624.50 909.00 1000.00 6465.00
2003 1035.50 1037.50 766.00 438.50 238.00 52.00 0.00 4.00 136.50 328.00 893.50 1038.00 5967.50
2004 1094.50 1014.50 652.00 473.50 174.00 100.50 23.00 40.50 94.00 400.50 829.00 1059.00 5955.00
2005 1125.50 832.00 807.00 546.00 265.50 50.00 4.00 12.00 64.50 476.50 677.00 1169.00 6029.00
2006 875.00 991.50 850.50 417.50 192.00 10.50 0.00 17.50 242.00 515.50 779.50 1111.50 6003.00
2007 0.00 z 1175.00 602.00 604.50 179.50 51.50 0.00 2.50 101.50 405.50 768.50 1410.00 5300.50
2008 1308.50 1024.50 849.00 616.50 306.00 57.50 2.50 11.00 156.00 476.50 729.50 1289.50 6827.00
2009 1083.00 869.50 849.50 607.00 264.50 75.50 10.00 18.50 157.50 745.50 715.00 1385.50 6781.00
2010 1154.50 1075.00 815.50 505.00 367.50 28.00 6.00 3.00 94.50 387.50 861.00 1080.50 6378.00
2011 1240.50 1152.50 821.00 565.50 372.00 41.50 0.00 0.00 172.00 457.00 812.00 1136.00 6770.00
2012 1094.00 1070.00 562.00 385.00 173.00 5.00 0.00 10.00 108.00 536.00 737.50 1174.50 5855.00
2013 1185.00 1031.00 926.50 42.50 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3142.50
Period of Record Statistics
MEAN 1163.32 968.38 828.84 506.29 235.11 48.74 4.67 9.24 124.39 425.84 812.92 1111.65 6187.91
S.D. 159.79 159.63 125.26 92.35 80.69 34.04 6.72 11.56 56.23 95.29 106.29 139.94 367.00
SKEW 0.74 0.60 0.20 0.17 0.34 0.88 1.67 2.35 0.71 0.35 0.20 0.97 0.22
MAX 1655.50 1470.50 1171.00 814.00 437.00 154.50 29.50 59.93 301.50 745.50 1118.50 1581.00 7042.05
MIN 730.50 602.50 559.79 269.00 66.00 0.00 0.00 0.00 18.50 156.50 557.00 854.50 5298.31
NO YRS 93 95 95 93 98 96 94 96 93 91 91 92 69