LUBBOCK INTL AP, TEXAS

Monthly Total Heating Degree Days

(415411)

Base Temperature = 65 F

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 201210
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
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 70.71 b 211.00 343.00 859.50 1484.21
1914 512.00 625.00 437.50 191.00 74.00 0.00 0.00 b 0.00 31.50 210.50 423.50 985.44 e 3490.44
1915 875.00 582.50 791.50 233.33 c 110.05 a 20.50 2.00 11.00 36.00 178.52 b 443.00 699.00 3982.40
1916 807.00 584.00 343.00 317.00 88.50 3.50 0.00 0.00 44.00 235.50 591.00 813.00 3826.50
1917 802.00 644.00 513.50 231.50 136.50 9.50 0.00 0.50 12.00 266.50 415.50 859.00 3890.50
1918 1013.50 495.50 337.50 251.00 85.50 1.50 0.00 0.00 70.00 163.00 626.00 903.00 3946.50
1919 953.00 635.00 483.50 218.00 72.50 32.00 0.00 0.00 28.00 179.00 578.50 783.50 3963.00
1920 891.50 669.00 513.50 344.50 84.00 8.00 0.00 4.50 10.50 150.50 595.50 730.50 4002.00
1921 616.00 569.00 290.00 247.00 36.50 6.00 0.00 0.00 12.50 137.00 389.00 589.00 2892.00
1922 836.00 590.50 497.00 213.00 38.00 3.50 0.00 0.00 2.50 185.50 480.50 657.00 3503.50
1923 546.50 680.50 586.50 219.50 62.00 6.00 0.00 3.00 0.00 336.50 551.50 797.00 3789.00
1924 966.50 694.50 583.50 211.50 87.50 0.00 3.50 0.00 35.50 129.50 382.50 867.50 3962.00
1925 850.00 433.00 264.00 94.50 45.50 0.00 0.00 0.00 27.50 304.00 495.50 817.50 3331.50
1926 856.00 445.00 523.00 304.00 50.00 0.00 0.00 0.00 67.50 111.50 498.00 768.00 3623.00
1927 665.00 443.50 403.00 121.50 14.00 14.00 0.00 0.00 54.50 119.50 295.00 845.00 2975.00
1928 697.00 620.50 325.50 239.00 49.00 9.50 0.00 5.00 23.50 152.50 533.00 713.50 3368.00
1929 756.50 815.00 405.00 114.00 56.00 0.00 0.00 0.00 22.50 166.00 675.50 664.00 3674.50
1930 1064.50 402.00 485.00 42.00 23.50 0.00 0.00 0.00 11.00 187.50 464.50 818.50 3498.50
1931 717.50 503.00 567.50 249.00 94.00 0.00 0.00 0.00 0.00 99.50 390.00 725.00 3345.50
1932 776.00 390.50 507.50 130.00 22.00 0.00 0.00 0.00 45.50 205.00 498.00 953.50 3528.00
1933 639.00 692.50 350.50 193.00 36.50 0.00 0.00 0.00 0.00 38.00 376.50 525.50 2851.50
1934 696.50 533.00 410.00 98.00 16.50 0.00 0.00 0.00 11.50 50.50 353.00 645.50 2814.50
1935 587.00 550.50 250.50 122.50 110.50 1.00 0.00 0.00 44.00 124.50 497.00 748.50 3036.00
1936 810.00 702.50 299.00 211.00 12.00 0.00 0.00 0.00 71.50 232.00 523.50 628.50 3490.00
1937 877.00 576.00 548.50 192.50 18.50 1.00 0.00 0.00 12.50 127.50 495.00 716.00 3564.50
1938 665.00 469.50 284.00 188.00 34.00 0.00 0.00 0.00 2.00 79.50 489.50 683.00 2894.50
1939 676.50 699.50 328.00 150.00 25.50 0.00 0.00 0.00 4.50 112.00 511.00 621.00 3128.00
1940 959.50 592.50 322.50 171.50 19.50 0.00 0.00 0.00 5.00 101.00 503.50 636.50 3311.50
1941 672.50 590.00 553.00 192.50 41.50 0.00 0.00 0.00 18.50 135.50 437.50 652.00 3293.00
1942 796.50 602.00 419.00 157.00 37.50 0.50 0.00 0.00 47.00 188.50 321.00 691.00 3260.00
1943 717.00 473.00 453.50 83.50 65.50 0.00 0.00 0.00 9.50 174.00 507.50 773.00 3256.50
1944 741.50 542.00 421.50 166.50 32.50 0.00 0.00 0.00 7.50 126.00 440.50 813.00 3291.00
1945 738.50 534.50 310.00 231.50 28.50 0.00 0.00 0.00 51.00 242.50 449.00 815.50 3401.00
1946 829.00 535.50 334.50 37.50 43.00 0.00 0.00 b 0.00 24.00 112.00 455.50 575.50 2946.50
1947 802.50 684.50 546.50 208.00 45.50 0.50 0.00 m 0.00 3.50 56.00 652.50 713.50 3713.00
1948 934.50 707.50 604.00 87.50 40.50 0.00 0.00 0.00 27.50 182.50 579.50 657.00 3820.50
1949 1046.00 604.00 433.00 254.50 32.00 3.50 0.00 0.00 28.00 233.50 324.50 741.50 3700.50
1950 682.50 487.50 471.00 204.00 47.00 7.50 0.00 0.00 7.00 51.50 502.00 767.50 3227.50
1951 852.00 586.50 514.50 274.00 50.50 9.00 0.00 0.00 30.50 172.00 600.00 707.50 3796.50
1952 640.00 601.00 534.00 231.00 67.00 0.00 4.50 0.00 24.00 211.50 610.50 766.50 3690.00
1953 570.00 624.50 312.00 217.00 146.00 0.00 0.00 0.00 4.00 152.50 478.00 830.00 3334.00
1954 727.50 450.00 512.50 100.00 118.00 0.00 0.00 0.00 0.00 191.50 431.50 692.00 3223.00
1955 786.00 700.00 463.50 161.50 33.50 14.50 0.00 0.00 4.50 166.50 536.00 640.00 3506.00
1956 759.50 769.00 421.00 235.50 8.50 0.00 0.00 0.00 1.50 105.50 591.50 653.50 3545.50
1957 773.50 429.00 479.50 295.50 70.50 23.00 0.00 0.00 22.00 235.50 669.00 649.00 3646.50
1958 874.00 684.00 734.50 302.50 35.00 0.00 0.00 0.00 24.50 203.00 454.00 786.50 4098.00
1959 841.50 629.00 497.00 249.50 39.00 1.50 0.00 0.00 33.50 229.50 617.50 703.50 3841.50
1960 854.50 841.00 594.50 147.50 59.00 0.00 0.00 0.00 9.00 139.00 428.50 881.50 3954.50
1961 912.00 660.00 451.50 214.00 31.50 6.00 0.00 0.00 26.00 156.00 609.00 797.00 3863.00
1962 948.50 464.50 542.50 180.50 13.00 3.50 0.00 0.00 19.00 145.50 435.00 701.50 3453.50
1963 998.00 634.50 384.50 97.00 38.00 0.00 0.00 0.00 11.50 29.50 430.00 879.00 3502.00
1964 813.50 827.00 490.00 143.50 15.00 4.00 0.00 0.00 37.00 116.50 440.50 688.00 3575.00
1965 643.00 690.00 688.00 111.50 13.00 0.00 0.00 0.00 24.00 101.00 243.00 559.00 3072.50
1966 954.50 685.50 312.00 171.00 50.00 0.00 0.00 9.00 4.00 176.00 288.50 836.50 3487.00
1967 754.50 659.50 296.00 90.00 87.50 3.50 0.00 4.00 18.00 195.50 472.00 875.00 3455.50
1968 755.00 769.00 516.00 299.50 76.50 4.00 0.00 1.00 34.00 157.00 552.50 779.00 3943.50
1969 622.50 607.50 728.50 131.00 47.50 7.50 0.00 0.00 3.50 318.00 493.50 679.50 3639.00
1970 855.00 545.50 582.50 203.50 48.00 22.00 0.00 0.00 52.50 290.00 491.50 617.00 3707.50
1971 732.00 624.50 447.50 193.00 31.00 0.00 0.00 0.00 85.50 128.50 429.00 662.00 3333.00
1972 735.00 554.50 281.50 96.00 42.50 0.00 2.00 0.00 25.50 225.00 679.00 838.50 3479.50
1973 935.00 695.50 423.00 316.00 59.50 0.00 0.00 0.00 32.50 103.50 347.00 708.50 3620.50
1974 733.50 544.50 229.50 132.50 11.50 0.00 0.00 0.00 109.00 175.00 508.50 758.50 3202.50
1975 751.00 671.50 481.00 237.00 20.00 4.50 0.00 0.00 78.00 126.50 443.00 688.00 3500.50
1976 787.00 402.00 400.00 123.00 61.00 0.00 0.00 0.00 32.50 343.00 672.50 768.50 3589.50
1977 947.00 527.50 405.00 158.00 1.00 0.00 0.00 0.00 0.00 85.00 382.50 621.00 3127.00
1978 1021.50 871.00 425.50 79.00 66.50 0.00 0.00 0.00 32.50 136.00 453.00 836.00 3921.00
1979 1031.50 647.50 377.00 140.00 46.00 10.50 0.00 0.00 10.00 106.50 579.50 698.50 3647.00
1980 765.50 600.00 441.00 208.50 51.00 0.00 0.00 0.00 23.00 194.50 574.50 598.50 3456.50
1981 723.00 569.00 430.00 111.00 35.00 0.00 0.00 0.00 17.00 207.00 350.50 653.00 3095.50
1982 784.50 639.50 361.00 205.00 47.50 2.50 0.00 0.00 0.50 194.00 492.00 829.00 3555.50
1983 1008.00 621.00 437.50 332.50 70.00 14.00 0.00 0.00 19.50 112.00 379.00 1032.50 4026.00
1984 842.00 573.00 483.50 223.00 21.00 0.00 0.00 0.00 81.50 199.00 468.00 654.00 3545.00
1985 912.00 649.00 398.50 108.50 27.50 3.00 0.00 0.00 66.50 139.50 456.50 839.50 3600.50
1986 640.00 546.50 278.00 102.00 33.00 0.00 0.00 0.00 8.00 192.00 540.50 760.00 3100.00
1987 830.50 562.50 524.50 228.50 27.50 0.00 0.00 0.00 2.50 100.50 463.00 789.50 3529.00
1988 889.00 645.50 467.00 174.50 34.50 0.00 0.00 6.00 11.50 100.00 394.00 715.50 3437.50
1989 631.00 745.50 349.50 135.00 18.50 1.00 0.00 0.00 57.00 118.50 419.50 920.00 3395.50
1990 677.00 508.00 418.00 151.50 86.50 0.00 0.00 0.00 5.50 143.00 362.50 809.00 3161.00
1991 844.50 450.00 347.50 87.00 18.50 0.00 0.00 0.00 71.50 166.00 594.00 678.50 3257.50
1992 789.50 474.50 309.50 136.50 48.50 3.00 0.00 0.00 0.50 91.00 560.00 724.00 3137.00
1993 796.00 638.50 431.00 179.50 41.50 0.00 0.00 3.50 14.00 226.00 585.00 677.50 3592.50
1994 756.50 590.00 378.00 176.00 42.00 0.00 0.00 0.00 11.50 134.50 400.00 611.50 3100.00
1995 702.00 475.00 430.50 183.50 38.00 0.00 0.00 0.00 64.00 139.00 407.00 696.50 3135.50
1996 791.50 532.00 527.50 165.50 1.00 0.00 0.00 0.00 34.00 193.00 469.50 652.50 3366.50
1997 833.00 666.50 357.50 345.00 47.00 2.50 0.00 3.00 10.00 218.00 584.00 868.50 3935.00
1998 651.50 601.00 543.50 250.50 4.00 8.00 0.00 0.00 0.00 110.50 377.50 741.00 3287.50
1999 665.50 413.00 467.00 186.50 70.50 0.50 0.00 0.00 49.50 173.00 319.00 747.50 3092.00
2000 681.50 424.00 351.50 139.50 30.00 4.50 0.00 0.00 19.66 a 178.52 b 648.00 928.00 3405.17
2001 873.50 577.00 518.50 92.00 25.83 a 0.00 0.00 0.00 9.00 154.50 380.50 696.50 3327.33
2002 706.50 634.50 499.50 148.50 35.00 0.00 0.00 0.00 5.50 247.00 526.50 716.00 3519.00
2003 709.00 607.00 369.00 136.00 21.00 1.50 0.00 0.00 9.50 74.00 394.66 a 667.50 2989.16
2004 677.00 675.50 289.00 177.00 34.00 1.50 3.00 0.00 14.00 111.50 536.50 705.00 3224.00
2005 668.00 533.00 451.00 194.00 81.50 0.00 0.50 0.00 6.00 165.00 390.50 732.00 3221.50
2006 549.00 557.50 355.00 74.50 22.00 0.00 0.00 0.00 23.00 184.50 397.00 729.50 2892.00
2007 887.50 598.50 300.00 287.00 50.50 1.50 0.00 0.00 0.00 110.00 430.50 718.00 3383.50
2008 760.50 512.00 390.00 179.00 52.50 0.00 0.00 0.00 5.50 0.00 z 419.50 694.50 3013.50
2009 710.00 438.50 306.00 188.00 46.00 0.00 0.00 0.00 23.50 257.00 369.00 899.50 3237.50
2010 798.50 720.50 433.50 169.00 60.50 0.00 0.00 0.00 0.00 73.00 425.00 607.00 3287.00
2011 782.50 651.00 303.00 76.00 61.50 0.00 0.00 0.00 12.50 145.50 430.50 839.00 3301.50
2012 637.50 613.00 255.50 55.00 41.50 0.00 0.00 0.00 26.00 101.50 j 0.00 z 0.00 z 1628.50
Period of Record Statistics
MEAN 784.39 594.30 433.57 180.36 46.73 2.88 0.16 0.51 24.70 161.91 474.72 742.26 3450.28
S.D. 121.47 102.10 111.27 70.19 28.18 5.66 0.70 1.76 23.38 63.12 96.22 98.31 307.94
SKEW 0.22 0.16 0.60 0.27 1.10 2.83 4.70 4.06 1.25 0.51 0.18 0.44 0.09
MAX 1064.50 871.00 791.50 345.00 146.00 32.00 4.50 11.00 109.00 343.00 679.00 1032.50 4098.00
MIN 512.00 390.50 229.50 37.50 1.00 0.00 0.00 0.00 0.00 29.50 243.00 525.50 2814.50
NO YRS 99 99 99 99 99 99 98 99 100 98 99 99 96