HOPKINSVILLE, KENTUCKY

Monthly Total Heating Degree Days

(153994)

Base Temperature = 65 F

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 201202
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
1896 0.00 z 0.00 z 0.00 z 0.00 z 0.00 j 5.00 0.00 z 0.00 z 71.50 0.00 z 454.00 739.00 1269.50
1897 933.50 655.00 415.50 303.62 a 120.00 4.50 0.00 0.00 18.50 84.50 464.50 798.00 3797.62
1898 679.00 696.50 406.00 319.00 35.50 0.00 0.00 0.00 1.50 298.50 601.50 894.50 3932.00
1899 893.00 1044.00 571.00 259.50 6.00 0.00 0.00 0.00 76.00 84.50 409.00 1003.50 4346.50
1900 862.00 890.50 607.00 303.00 81.00 0.00 0.00 0.00 14.50 94.50 514.00 766.50 4133.00
1901 761.50 794.00 497.50 400.50 95.00 1.50 0.00 0.00 53.50 192.50 629.50 900.07 b 4325.57
1902 921.50 989.50 487.00 335.00 23.00 4.50 0.00 0.00 60.50 134.50 315.52 a 840.50 4111.52
1903 850.95 a 717.50 391.12 a 298.50 63.00 21.50 0.00 0.00 56.50 244.00 624.50 1002.00 4269.57
1904 947.50 785.00 503.00 428.00 83.00 0.00 0.00 0.00 24.00 239.00 578.50 816.50 4404.50
1905 1118.58 a 1012.50 367.00 284.00 17.50 0.00 0.00 0.00 8.50 210.50 506.50 841.00 4366.08
1906 740.90 a 789.50 754.50 212.00 88.50 4.00 0.00 0.00 0.00 260.50 556.50 737.00 4143.40
1907 622.50 761.00 338.50 500.50 191.00 21.00 0.00 0.00 43.00 272.28 a 587.50 747.00 4084.28
1908 885.50 757.22 b 340.50 205.00 95.00 3.00 0.00 0.00 z 26.38 a 235.00 457.50 702.00 3707.10
1909 777.50 571.00 517.50 267.00 81.00 0.00 a 0.00 0.00 34.66 a 180.00 266.50 1001.09 b 3696.24
1910 899.00 821.85 a 240.00 254.50 93.50 23.00 0.00 1.00 1.00 203.50 640.50 945.00 4122.85
1911 693.50 563.50 451.00 280.00 66.50 0.00 0.00 0.00 0.00 177.50 639.00 704.50 3575.50
1912 1085.50 921.00 658.50 181.00 79.50 2.00 0.00 0.00 52.00 144.15 a 578.50 845.50 4547.65
1913 681.00 803.50 490.00 283.00 46.00 8.50 0.00 0.00 45.00 281.50 356.00 759.50 3754.00
1914 711.00 835.00 644.00 302.50 90.00 0.00 0.00 0.00 50.50 190.00 498.50 958.00 4279.50
1915 937.00 556.00 744.50 205.86 a 61.50 5.00 0.00 12.50 22.00 119.50 394.50 770.00 3828.36
1916 670.50 746.00 520.00 274.50 45.00 0.50 0.00 0.50 82.50 198.00 385.50 789.97 b 3712.97
1917 757.50 710.50 488.50 276.72 a 200.00 19.00 0.00 0.00 28.50 363.00 525.00 1072.50 4441.22
1918 1292.50 589.50 269.00 320.17 a 46.00 0.00 0.00 0.00 70.00 86.50 535.50 571.43 a 3780.61
1919 810.00 668.50 478.00 220.00 77.00 0.00 0.00 0.00 1.50 94.00 474.50 899.00 3722.50
1920 890.00 744.00 560.07 a 314.50 52.00 0.50 0.00 0.00 19.50 141.50 553.00 770.00 4045.07
1921 733.50 599.00 217.50 207.50 72.50 0.00 b 0.00 0.00 a 0.00 227.00 419.50 665.43 b 3141.93
1922 942.40 a 669.50 570.00 205.50 51.00 1.00 1.50 0.00 0.00 93.00 i 466.20 e 692.00 3599.10
1923 692.00 798.00 563.50 217.50 51.00 6.00 0.00 0.00 8.50 217.00 518.00 523.50 3595.00
1924 1010.50 789.50 699.64 b 215.50 143.50 2.00 1.03 a 0.00 a 36.00 115.00 489.50 862.50 4364.67
1925 864.12 c 535.50 408.50 128.50 134.00 0.00 0.00 0.00 0.00 367.00 545.50 896.42 a 3879.54
1926 847.50 597.00 695.50 330.00 32.00 0.50 0.00 0.00 11.50 170.50 655.50 818.00 4158.00
1927 863.00 478.00 477.50 155.50 61.00 4.50 0.00 1.00 34.50 138.50 380.50 793.00 3387.00
1928 887.00 719.50 543.00 324.50 70.50 9.00 0.00 0.00 56.50 166.50 517.50 734.00 4028.00
1929 875.00 903.50 367.50 163.00 104.00 9.00 0.00 0.00 16.50 212.72 b 606.50 783.00 4040.72
1930 958.50 484.00 589.50 174.00 31.50 6.00 0.00 0.00 3.00 255.50 480.50 862.00 3844.50
1931 787.00 563.00 657.50 238.50 115.50 4.00 0.00 0.00 10.00 114.50 281.00 520.00 3291.00
1932 627.00 462.50 643.00 204.00 49.00 0.00 0.00 0.00 16.00 230.50 590.50 815.00 3637.50
1933 590.00 723.00 512.50 241.00 18.50 7.00 0.00 0.00 3.50 197.00 521.50 604.00 3418.00
1934 745.00 851.50 606.50 233.00 19.50 0.00 0.00 0.00 24.00 148.50 426.00 863.50 3917.50
1935 828.00 675.50 330.00 306.00 78.02 a 8.50 0.00 2.50 21.50 175.50 523.50 1043.50 3992.52
1936 1048.00 936.00 375.00 360.00 22.00 0.00 0.00 0.00 a 6.00 226.50 620.50 678.00 4272.00
1937 666.50 726.00 628.00 259.00 62.50 0.00 1.50 0.00 52.50 302.00 590.00 857.00 4145.00
1938 838.50 454.00 315.00 171.00 54.50 0.00 a 0.00 0.00 42.50 151.00 488.00 839.50 3354.00
1939 742.50 667.33 a 436.00 316.00 76.50 0.00 0.00 0.00 5.50 178.25 a 616.00 768.00 3806.08
1940 1373.00 814.00 607.00 295.50 129.00 3.50 0.00 0.00 69.50 143.63 a 562.00 686.00 4683.13
1941 837.00 853.00 719.00 137.50 58.50 0.50 0.00 0.00 9.00 100.50 567.50 702.50 3985.00
1942 1017.00 812.00 a 501.50 198.00 71.50 4.50 0.00 0.00 86.00 147.00 404.50 834.00 4076.00
1943 826.00 633.50 637.50 275.50 28.00 1.00 0.00 1.00 52.00 233.50 539.50 842.00 4069.50
1944 767.50 579.50 526.50 231.00 55.00 5.50 0.00 0.00 5.50 259.00 486.50 959.50 3875.50
1945 946.53 a 694.50 246.50 204.50 164.00 40.86 a 0.00 0.50 11.00 253.50 483.00 984.50 4029.40
1946 876.50 664.00 259.00 171.50 98.50 15.00 0.00 8.50 16.50 181.00 417.00 672.50 3380.00
1947 740.00 977.00 801.00 218.50 138.00 10.00 7.00 0.00 61.50 70.50 636.00 834.50 4494.00
1948 1162.00 785.00 479.50 170.00 79.50 2.00 0.00 0.00 a 42.50 300.18 a 494.00 796.50 4311.18
1949 717.00 667.50 601.50 298.45 a 35.50 0.00 0.00 a 0.50 76.50 147.00 587.00 686.50 3817.45
1950 606.00 643.50 679.86 b 368.00 39.50 8.50 0.00 0.00 29.00 79.00 742.50 b 1001.50 4197.36
1951 851.50 694.00 577.00 357.00 44.00 0.00 0.00 0.00 33.00 186.50 711.00 732.24 b 4186.24
1952 709.00 637.00 571.00 272.50 61.50 0.00 0.00 0.00 19.00 419.02 a 540.50 784.50 4014.02
1953 727.98 a 634.50 475.69 b 240.00 h 52.00 0.00 a 0.00 0.00 10.00 145.00 540.50 871.00 3456.67
1954 909.50 580.50 606.00 157.50 173.50 10.50 0.00 0.50 13.50 262.50 573.00 876.50 4163.50
1955 957.00 787.50 565.50 151.50 12.50 27.00 0.00 0.00 1.00 258.50 630.00 912.00 4302.50
1956 1002.00 681.50 566.00 312.50 62.00 22.00 0.00 9.00 33.50 96.50 597.00 659.00 4041.00
1957 1004.50 591.50 628.50 211.50 61.50 0.50 0.00 0.00 20.50 318.00 537.00 700.50 4074.00
1958 1004.50 1063.00 753.00 250.00 74.00 1.00 0.00 1.50 24.00 233.00 489.50 1050.00 4943.50
1959 982.00 742.50 619.00 240.00 42.00 0.00 0.00 0.00 8.50 220.50 674.00 747.50 4276.00
1960 869.50 872.00 1010.00 209.00 144.00 1.00 0.00 0.00 4.50 168.50 563.00 1035.50 4877.00
1961 1087.00 650.50 476.00 401.50 117.00 17.50 0.00 0.00 37.50 227.00 561.00 857.50 4432.50
1962 1031.50 667.00 718.00 360.50 10.50 0.00 0.00 0.00 61.00 171.50 586.50 994.50 4601.00
1963 1206.50 972.50 441.00 182.00 75.00 0.50 0.00 0.00 34.50 55.50 498.50 1178.50 4644.50
1964 915.00 859.00 576.00 176.50 48.50 5.50 0.00 3.50 51.00 297.50 449.50 844.00 4226.00
1965 891.00 798.50 781.50 194.00 16.50 0.00 0.00 0.00 43.50 250.00 399.50 739.50 4114.00
1966 1073.50 802.50 530.50 309.00 103.50 14.00 0.00 0.00 29.00 313.50 491.00 862.50 4529.00
1967 868.50 892.00 428.50 175.00 127.00 12.00 3.00 1.00 74.00 274.50 675.00 775.00 4305.50
1968 1091.00 1000.00 633.00 250.50 94.50 4.00 0.00 0.00 14.00 277.00 533.00 901.50 4798.50
1969 970.00 760.50 779.00 211.50 60.00 10.50 0.00 0.00 16.50 256.00 622.00 955.00 4641.00
1970 1161.00 838.50 654.00 217.00 55.00 3.50 0.50 0.00 19.00 209.00 587.00 721.00 4465.50
1971 1001.00 832.00 694.00 269.50 123.00 0.00 4.50 0.00 11.50 49.50 521.00 580.00 4086.00
1972 893.50 833.50 585.00 241.50 44.50 16.50 2.50 0.00 6.50 265.00 626.00 867.00 4381.50
1973 913.50 802.00 336.00 321.00 103.50 0.50 0.00 0.00 16.00 99.50 432.50 854.00 3878.50
1974 779.00 706.00 419.50 256.50 52.50 6.50 0.00 0.00 80.00 240.50 531.50 828.00 3900.00
1975 812.50 753.50 719.00 352.00 35.50 0.50 0.50 0.00 114.50 216.00 471.00 829.00 4304.00
1976 1021.50 595.50 395.50 251.50 153.00 7.00 0.00 2.50 37.00 393.00 802.50 988.38 a 4647.38
1977 1432.00 811.00 398.50 183.00 33.50 0.00 0.00 0.00 3.00 309.50 500.17 a 924.50 4595.17
1978 1269.00 1124.50 710.00 185.69 a 138.98 a 0.00 0.00 0.00 1.00 293.00 406.00 848.50 4976.67
1979 1248.27 a 1042.50 542.00 278.00 100.50 7.50 0.00 3.50 27.00 244.00 542.00 816.00 4851.27
1980 911.50 969.00 709.50 322.50 71.00 4.50 0.00 0.00 41.00 333.00 583.00 858.00 4803.00
1981 1092.50 780.50 631.50 142.00 170.00 0.00 0.50 0.00 63.50 281.00 531.50 968.50 4661.50
1982 1202.50 884.00 552.50 407.00 25.50 5.00 0.00 2.00 63.50 273.00 542.00 686.50 4643.50
1983 989.50 763.00 617.50 475.50 141.50 7.00 0.00 0.00 64.50 144.00 509.50 1130.50 4842.50
1984 1133.00 668.50 694.00 284.50 117.50 4.50 0.00 0.00 69.50 134.50 643.50 575.00 4324.50
1985 1210.00 913.50 459.00 189.50 47.50 12.50 0.00 0.00 a 81.50 177.00 388.00 1102.50 4581.00
1986 992.00 753.50 596.50 198.50 67.00 0.00 0.00 7.75 c 0.50 238.00 557.00 858.50 4269.25
1987 972.00 696.00 470.50 331.50 17.50 0.00 0.00 0.50 18.00 380.50 421.00 755.50 4063.00
1988 1061.00 873.00 579.00 273.50 79.50 13.50 0.00 3.50 17.00 422.00 495.00 842.00 4659.00
1989 748.00 898.00 540.00 342.50 149.50 4.00 0.00 5.50 63.00 228.00 551.50 1238.00 4768.00
1990 718.50 378.00 j 499.50 361.00 139.00 9.00 5.00 0.50 37.50 310.50 399.50 808.00 3288.00
1991 992.50 710.50 511.00 182.50 26.50 0.00 0.00 0.00 73.00 221.50 599.00 736.00 4052.50
1992 0.00 z 0.00 z 0.00 z 0.00 z 33.00 z 15.00 0.00 5.00 56.00 291.00 540.50 887.00 1794.50
1993 884.00 819.50 694.00 360.50 85.00 33.00 0.00 0.00 61.50 302.00 634.00 872.00 4745.50
1994 1156.00 751.00 608.00 230.50 159.50 4.50 0.00 0.00 59.00 214.00 395.00 718.00 4295.50
1995 914.00 828.00 453.50 271.00 95.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2561.50
1996 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 x 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1997 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1998 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1999 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 142.00 f 347.00 758.50 1105.50
2000 932.58 a 621.50 443.00 324.00 33.58 a 6.50 0.00 0.00 d 50.00 g 160.50 576.50 1169.98 b 4268.15
2001 485.50 o 649.00 545.00 f 179.00 23.77 a 8.00 h 0.00 a 0.00 n 56.00 254.72 a 278.00 f 600.33 e 1762.81
2002 841.50 702.50 585.50 212.00 115.00 0.00 0.00 0.00 7.00 199.50 619.00 853.00 4135.00
2003 769.00 k 515.50 k 477.50 209.00 49.50 21.60 e 0.00 o 0.00 39.50 253.37 e 411.50 548.00 k 1461.97
2004 951.00 590.50 i 434.50 275.50 44.00 0.00 0.50 8.00 6.00 h 122.50 408.50 909.13 e 3153.63
2005 747.00 638.50 629.00 156.00 i 123.00 0.00 0.00 0.00 12.00 237.50 467.00 966.50 3820.50
2006 665.00 815.50 527.00 139.00 93.00 0.00 0.00 0.00 49.50 331.00 526.00 726.50 3872.50
2007 830.50 932.00 318.00 334.00 29.00 0.00 0.00 0.00 4.50 160.00 533.50 752.00 3893.50
2008 973.50 792.00 595.50 289.00 86.00 0.00 0.00 0.00 2.50 251.00 602.50 888.00 4480.00
2009 1032.00 675.00 497.50 290.50 71.50 9.00 2.00 0.00 14.50 322.50 0.00 z 910.50 3825.00
2010 1065.00 947.50 551.50 151.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2715.00
2011 0.00 z 0.00 z 0.00 z 45.00 s 124.00 0.00 0.00 0.00 38.50 267.00 430.50 761.50 1621.50
2012 781.50 109.00 v 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 781.50
Period of Record Statistics
MEAN 910.33 757.41 539.80 259.81 76.92 5.41 0.28 0.77 32.46 215.71 522.98 832.34 4174.82
S.D. 170.73 139.09 138.12 75.45 43.73 7.67 1.02 2.14 26.02 81.12 94.87 136.38 397.22
SKEW 0.54 0.19 0.06 0.58 0.65 2.06 4.60 3.44 0.61 0.17 -0.13 0.34 -0.19
MAX 1432.00 1124.50 1010.00 500.50 200.00 40.86 7.00 12.50 114.50 422.00 802.50 1238.00 4976.67
MIN 590.00 454.00 217.50 128.50 6.00 0.00 0.00 0.00 0.00 49.50 266.50 520.00 3141.93
NO YRS 108 106 108 107 109 109 108 107 108 108 109 110 97