LAWTON, OKLAHOMA

Monthly Total Heating Degree Days

(345063)

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
1912 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 a 0.00 32.50 0.00 z 590.00 742.50 1365.00
1913 809.00 787.00 535.00 137.00 15.50 12.00 0.00 0.00 32.50 305.00 389.00 820.50 3842.50
1914 601.50 760.50 486.00 267.50 78.61 c 0.00 0.00 0.00 6.00 161.50 328.50 988.00 3678.11
1915 835.50 555.50 760.00 124.00 62.50 4.50 0.00 5.50 11.00 92.00 351.00 646.00 3447.50
1916 917.00 641.00 335.00 298.50 65.00 0.00 0.00 0.00 21.00 125.50 474.00 813.00 3690.00
1917 768.00 657.00 387.00 192.50 150.00 4.50 0.00 0.00 2.00 276.50 335.00 958.50 3731.00
1918 1090.00 564.00 252.50 218.00 36.00 0.00 0.00 0.00 31.50 91.50 432.50 646.00 3362.00
1919 757.00 596.50 370.00 161.00 37.50 14.50 0.00 0.00 4.50 142.50 510.50 842.00 3436.00
1920 837.00 558.50 377.50 207.00 42.00 0.00 0.00 0.00 10.50 97.50 504.50 686.50 3321.00
1921 574.00 508.50 226.50 168.00 31.00 0.00 0.00 0.00 3.50 59.50 317.00 573.00 2461.00
1922 807.50 514.00 377.50 98.00 16.00 0.00 0.00 e 0.00 0.00 92.50 342.00 580.00 2827.50
1923 456.50 667.50 440.50 132.50 23.50 0.00 0.00 0.00 0.00 223.00 415.00 619.00 2977.50
1924 864.00 592.50 596.50 170.00 67.00 0.00 1.00 0.00 24.00 82.00 298.00 879.00 3574.00
1925 840.00 404.00 212.50 36.00 23.50 0.00 0.00 c 0.00 m 10.50 274.00 405.00 698.00 2903.50
1926 784.00 394.50 434.50 210.50 19.50 0.00 0.00 0.00 61.50 61.00 442.50 690.00 3098.00
1927 739.00 429.50 353.50 84.50 6.50 4.00 0.00 0.00 33.50 34.00 217.00 803.00 2704.50
1928 678.00 560.50 315.50 223.50 14.50 0.00 0.00 0.00 0.00 84.50 436.00 697.50 3010.00
1929 812.50 895.00 353.50 64.50 37.50 0.00 0.00 0.00 8.00 110.00 623.04 b 621.50 3525.54
1930 1170.50 334.00 401.00 7.00 12.50 0.00 0.00 0.00 4.00 171.50 372.00 712.50 3185.00
1931 0.00 z 414.50 517.00 230.00 79.50 0.00 0.00 0.00 0.00 69.00 307.50 601.00 2218.50
1932 713.50 376.00 495.50 78.00 7.50 0.00 0.00 0.00 6.50 158.50 501.00 840.00 3176.50
1933 528.50 644.50 299.50 134.50 14.50 0.00 0.00 0.00 0.00 59.50 346.50 569.00 2596.50
1934 655.50 564.00 433.48 a 83.50 16.00 0.00 0.00 0.00 7.00 22.00 265.00 666.00 2712.48
1935 612.50 498.50 203.50 144.00 81.00 0.00 0.00 0.00 21.00 101.00 526.50 716.50 2904.50
1936 842.00 800.00 200.50 168.50 0.50 0.00 0.00 0.00 36.00 221.50 479.50 598.50 3347.00
1937 937.00 582.50 493.50 131.50 8.50 0.00 0.00 0.00 10.00 130.50 498.50 748.00 3540.00
1938 608.00 446.00 185.50 181.50 27.00 0.00 0.00 0.00 0.00 55.00 461.50 640.50 2605.00
1939 589.00 647.50 270.50 149.50 4.00 0.00 0.00 0.00 6.50 68.50 407.00 555.00 2697.50
1940 1083.00 577.50 278.50 141.50 6.00 0.00 0.00 0.00 11.50 25.50 488.50 630.00 3242.00
1941 638.00 600.00 481.00 99.50 3.00 0.00 0.00 0.00 4.50 105.00 397.00 567.00 2895.00
1942 769.50 567.00 345.50 97.50 0.00 z 0.00 0.00 0.00 28.50 149.63 e 316.50 677.50 2951.63
1943 735.50 417.00 493.50 55.00 58.50 0.00 0.00 0.00 0.00 115.00 402.50 786.00 3063.00
1944 706.00 511.50 402.50 137.50 29.50 0.00 0.00 0.00 2.00 63.50 345.00 787.00 2984.50
1945 720.00 590.00 275.00 183.00 59.00 0.00 0.00 0.00 36.00 112.50 328.50 796.50 3100.50
1946 742.00 439.50 219.00 46.50 31.50 4.00 0.00 0.00 17.50 77.00 360.50 562.00 2499.50
1947 776.50 660.50 507.50 163.50 30.00 0.50 0.00 0.00 0.00 37.50 549.50 689.00 3414.50
1948 994.00 766.50 593.50 74.00 39.00 0.00 0.00 0.00 0.00 159.50 468.50 636.50 3731.50
1949 1036.95 a 717.50 443.00 194.00 1.50 0.00 0.00 0.00 27.00 161.20 a 347.50 701.50 3630.15
1950 760.00 441.50 390.50 167.50 20.00 0.00 0.00 0.00 a 0.00 20.00 460.00 709.38 a 2968.88
1951 750.00 558.96 a 451.00 195.00 15.00 2.00 0.00 0.00 10.50 110.00 559.66 a 688.50 3340.62
1952 563.50 456.50 464.50 175.50 29.00 0.00 0.00 0.00 0.50 183.00 469.00 758.00 3099.50
1953 595.00 539.00 276.00 195.00 b 87.00 0.00 0.00 0.00 0.00 114.70 a 421.50 716.50 2944.70
1954 757.00 315.26 a 458.50 76.55 a 124.53 b 3.00 f 0.00 i 0.00 0.00 111.50 324.50 633.50 2801.35
1955 730.50 588.50 407.00 90.50 h 1.50 7.50 0.00 0.00 g 0.50 130.00 490.50 734.00 3090.00
1956 796.50 637.00 385.50 176.90 a 1.50 0.00 0.00 0.00 0.00 72.50 492.00 653.58 a 3215.48
1957 913.50 487.50 512.50 238.50 38.50 5.50 0.00 0.00 2.59 a 214.00 527.50 601.00 3541.09
1958 709.50 709.00 648.50 218.50 14.98 a 0.00 0.00 0.00 4.00 119.00 360.50 792.50 3576.48
1959 909.00 584.50 382.50 195.00 7.00 0.00 0.00 0.00 8.00 156.50 608.00 575.50 3426.00
1960 808.00 754.50 669.50 88.00 66.50 0.00 0.00 0.00 0.00 79.00 372.50 810.81 b 3648.81
1961 859.50 570.00 341.50 203.28 a 25.50 1.50 0.00 0.00 23.50 92.00 480.00 753.82 a 3350.59
1962 917.00 464.00 429.50 187.50 9.50 0.00 0.00 0.00 5.00 100.50 378.00 683.00 3174.00
1963 994.50 583.00 304.50 72.50 24.50 0.00 0.00 0.00 3.50 7.50 298.50 892.00 3180.50
1964 725.50 686.00 435.00 102.00 11.00 3.50 0.00 0.00 8.50 124.50 403.00 757.00 3256.00
1965 681.50 640.00 679.00 58.50 4.00 0.00 0.00 0.00 16.50 104.00 205.71 b 488.50 2877.71
1966 934.50 678.50 0.00 z 129.00 47.00 0.00 a 0.00 2.50 1.03 a 141.50 278.50 760.00 2972.53
1967 661.00 595.00 228.50 42.00 40.00 0.00 0.00 0.00 a 12.50 103.50 422.00 730.00 2834.50
1968 775.00 709.46 a 391.00 130.50 22.50 0.00 0.00 0.00 1.50 78.02 a 453.50 759.00 3320.48
1969 667.00 577.50 626.50 97.00 10.16 b 0.00 0.00 0.00 0.00 214.50 379.29 b 632.73 c 3204.67
1970 913.97 b 515.76 c 486.18 a 110.00 14.98 a 4.29 b 0.00 c 0.00 a 16.11 c 161.31 d 391.00 g 361.50 i 2222.60
1971 762.27 c 585.20 c 262.00 h 74.48 a 13.95 a 0.00 a 0.00 0.00 47.50 51.48 c 0.00 z 640.67 d 2175.55
1972 767.85 e 466.00 g 231.95 c 78.62 a 7.23 a 0.00 a 0.00 a 0.00 8.00 170.50 b 0.00 z 0.00 z 1264.15
1973 928.45 a 0.00 z 282.32 c 232.76 a 22.73 a 0.00 a 0.00 z 0.00 a 18.50 47.53 a 0.00 z 543.00 f 1532.30
1974 814.27 a 438.00 216.43 d 95.50 1.55 a 0.00 b 0.00 c 0.00 a 42.86 b 56.12 b 441.35 d 720.20 c 2826.26
1975 513.00 h 729.12 c 366.00 h 200.19 d 7.20 c 0.00 d 0.00 d 0.00 d 50.40 e 95.67 b 398.57 b 429.00 m 1481.15
1976 465.00 l 128.50 n 209.50 n 105.52 a 64.58 a 0.00 a 0.00 d 0.00 f 14.00 j 163.50 r 437.50 h 0.00 z 170.10
1977 543.00 n 498.17 d 321.76 b 85.50 4.00 f 0.00 g 0.00 b 0.00 0.00 e 82.84 b 298.85 d 726.43 a 2013.55
1978 1068.35 d 983.11 a 526.47 b 78.62 a 33.77 c 0.00 b 0.00 z 0.00 b 5.00 c 122.89 c 468.46 d 0.00 z 3286.67
1979 0.00 z 495.00 o 235.50 l 178.97 a 65.74 b 0.00 a 0.00 0.00 1.50 91.81 e 552.60 e 625.00 f 890.61
1980 843.20 a 745.41 b 421.50 f 185.00 4.81 b 0.00 g 0.00 0.00 24.23 d 0.00 z 440.50 675.36 c 2918.51
1981 765.38 b 613.31 b 387.50 a 72.86 b 51.48 c 0.00 0.00 z 0.00 c 28.33 c 189.50 423.10 a 756.50 3287.96
1982 682.50 f 730.00 357.00 206.50 34.50 8.00 2.00 0.00 9.50 0.00 z 488.50 731.00 2567.00
1983 871.50 610.50 450.00 266.00 64.50 15.50 0.00 z 0.00 36.72 a 0.00 z 394.50 1130.00 3839.22
1984 913.50 540.00 476.50 0.00 z 24.00 0.00 z 0.00 0.00 69.50 192.50 450.50 673.00 3339.50
1985 991.00 765.00 376.50 104.50 4.00 0.00 0.00 0.00 z 49.50 151.50 527.00 919.00 3888.00
1986 703.00 557.41 a 320.50 113.28 a 17.00 0.00 0.00 0.00 0.00 136.50 541.03 a 727.50 3116.22
1987 873.50 523.00 484.00 155.00 6.72 a 0.00 0.00 0.00 2.59 a 151.00 421.03 a 772.50 3389.34
1988 942.50 672.70 a 425.50 192.00 12.50 0.00 0.00 0.00 1.00 190.50 396.50 647.50 3480.70
1989 660.50 859.00 0.00 z 140.00 26.35 a 0.00 0.00 0.00 67.00 106.00 423.50 1039.50 3321.85
1990 644.50 519.00 422.63 a 209.00 61.00 0.00 0.00 0.00 9.00 187.00 329.50 881.50 3263.13
1991 922.50 464.00 356.50 111.00 13.00 0.00 0.00 0.00 60.00 137.50 593.50 670.50 3328.50
1992 722.50 453.50 308.00 162.50 54.50 2.00 0.00 0.50 3.00 81.50 0.00 z 713.00 2501.00
1993 890.00 696.00 482.50 237.00 39.00 0.00 0.00 0.00 25.50 238.50 614.00 656.00 3878.50
1994 840.50 744.50 386.50 190.50 63.00 0.00 0.00 0.00 20.50 123.00 414.50 665.50 3448.50
1995 748.00 519.00 463.50 195.00 58.00 2.50 0.00 0.00 69.50 98.00 428.00 740.00 3321.50
1996 872.00 595.50 511.50 213.00 7.50 0.00 0.00 0.00 34.00 121.50 511.03 a 703.50 3569.53
1997 812.50 596.00 340.50 306.00 43.00 0.00 0.00 1.00 1.00 181.50 500.50 768.00 3550.00
1998 736.00 505.50 545.50 206.00 6.00 3.00 0.00 0.00 1.50 73.50 350.50 727.00 3154.50
1999 756.50 423.50 455.50 136.55 a 20.00 0.00 0.00 0.00 a 29.00 103.85 a 250.00 646.50 2821.40
2000 686.00 499.50 326.50 176.50 26.87 a 0.00 0.00 0.00 34.29 b 112.00 602.00 971.00 3434.65
2001 878.50 612.50 d 540.00 86.38 a 13.95 a 0.00 0.00 0.00 12.41 a 138.00 291.43 b 679.23 c 3252.40
2002 705.50 628.50 537.00 153.50 45.00 0.00 0.00 0.00 2.00 247.00 485.50 727.00 3531.00
2003 838.50 695.50 446.50 116.00 10.50 0.00 0.00 0.00 4.00 82.50 424.50 637.50 3255.50
2004 729.00 708.00 269.00 135.00 36.00 0.00 e 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1877.00
2005 0.00 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
2006 0.00 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
2007 0.00 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
2008 0.00 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
2009 0.00 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
2010 0.00 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
2011 0.00 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
2012 0.00 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
Period of Record Statistics
MEAN 792.30 589.12 406.68 148.34 31.22 1.13 0.03 0.11 15.30 121.55 423.54 720.69 3229.31
S.D. 133.91 125.47 120.31 62.00 27.59 2.96 0.24 0.65 18.15 60.57 93.72 112.40 334.01
SKEW 0.27 0.39 0.35 0.14 1.58 3.30 7.31 7.21 1.38 0.73 0.03 1.07 -0.33
MAX 1170.50 983.11 760.00 306.00 150.00 15.50 2.00 5.50 69.50 305.00 623.04 1130.00 3878.50
MIN 456.50 315.26 185.50 7.00 0.50 0.00 0.00 0.00 0.00 7.50 205.71 488.50 2461.00
NO YRS 86 88 85 90 90 88 87 88 91 87 86 85 68