LAWTON, OKLAHOMA

Monthly Total Growing Degree Days

(345063)

Base Temperature = 50 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 1085.00 a 964.50 701.00 0.00 z 12.00 0.00 2762.50
1913 19.50 25.00 94.50 402.00 685.50 813.50 1074.00 1111.00 637.00 286.50 111.00 8.00 5267.50
1914 47.00 7.50 124.00 248.00 484.93 c 905.00 1063.50 889.50 740.50 376.00 170.50 0.00 5056.43
1915 4.50 19.50 15.50 372.50 504.50 757.00 898.50 787.50 723.50 396.00 183.50 34.50 4697.00
1916 30.50 39.00 217.00 210.00 607.00 821.00 967.50 1024.50 708.00 427.00 127.50 29.50 5208.50
1917 16.00 43.50 195.50 298.50 421.00 836.50 1031.00 960.50 790.00 310.00 135.00 14.00 5051.50
1918 1.00 77.50 274.50 258.50 751.00 1025.50 1054.50 1140.50 594.00 514.00 164.50 36.00 5891.50
1919 1.00 12.50 159.50 328.50 549.50 781.00 979.50 1042.50 799.00 425.00 73.00 7.00 5158.00
1920 3.00 39.50 211.00 286.50 608.50 814.50 1008.50 871.50 778.00 479.50 98.50 22.00 5221.00
1921 77.50 53.50 319.50 335.50 665.00 831.50 1014.50 1101.50 952.00 492.00 167.50 62.00 6072.00
1922 15.00 88.50 206.00 405.00 630.00 872.00 1060.56 e 1114.00 840.00 473.50 160.00 79.00 5943.56
1923 81.50 11.50 97.50 364.00 629.00 851.50 1061.50 1033.50 776.50 308.50 84.00 43.50 5342.50
1924 12.00 58.00 67.00 337.00 499.00 987.50 977.00 1071.50 676.00 515.00 212.50 33.00 5445.50
1925 5.00 97.00 316.50 574.00 617.00 1023.50 1158.62 c 589.00 m 820.50 323.00 86.00 31.50 5052.62
1926 10.00 93.00 133.50 254.50 637.00 867.00 949.50 988.50 774.00 531.00 100.50 46.50 5385.00
1927 16.00 121.00 197.00 471.50 762.00 823.50 954.00 940.00 759.00 515.50 295.50 14.50 5869.50
1928 35.50 47.00 226.00 305.00 638.00 789.00 959.50 983.50 720.00 584.50 117.00 8.50 5413.50
1929 1.00 0.00 165.50 476.50 524.00 835.50 966.50 1066.00 693.50 441.00 18.75 b 85.00 5273.25
1930 7.00 144.00 146.00 545.50 596.50 864.00 1083.50 1100.50 875.50 364.00 131.00 5.00 5862.50
1931 0.00 z 63.00 74.50 238.00 491.50 930.50 1044.00 957.00 962.50 599.00 227.00 20.00 5607.00
1932 10.50 134.50 158.50 430.50 636.00 861.00 1054.00 968.50 627.50 347.00 63.50 36.50 5328.00
1933 36.00 31.00 235.50 378.50 671.00 879.00 1053.50 928.00 882.50 475.00 154.00 55.50 5779.50
1934 26.50 41.00 136.40 a 420.00 652.00 986.00 1151.00 1160.00 748.00 567.00 225.50 13.00 6126.40
1935 74.50 47.50 339.00 354.00 527.50 814.50 1054.00 1079.00 624.50 485.50 55.00 3.50 5458.50
1936 8.00 74.50 279.00 433.50 714.00 933.00 1127.50 1167.00 817.50 315.00 58.50 33.50 5961.00
1937 3.00 35.50 104.00 411.50 710.50 924.00 1120.00 1141.00 815.50 408.00 148.50 13.50 5835.00
1938 38.00 134.50 340.00 367.00 656.00 891.00 1071.50 1131.00 849.00 624.00 142.50 32.00 6276.50
1939 30.50 8.00 257.00 394.00 755.00 963.00 1167.00 1085.00 961.50 576.50 104.50 77.50 6379.50
1940 0.00 42.50 257.50 405.50 662.50 809.50 1011.00 984.00 755.50 582.00 98.50 22.00 5630.50
1941 28.50 25.50 88.50 398.00 708.00 799.00 1028.00 1036.00 793.50 529.50 114.00 46.00 5594.50
1942 33.50 51.50 161.50 444.00 0.00 z 915.00 1028.50 974.50 695.00 353.52 e 206.00 16.50 4879.52
1943 46.00 83.00 153.50 510.00 582.50 948.00 1094.00 1206.00 783.50 415.50 106.00 6.50 5934.50
1944 47.00 70.00 134.50 357.50 654.50 933.00 1041.50 1079.50 762.00 450.50 199.50 0.00 5729.50
1945 5.00 19.50 243.50 311.00 627.00 846.50 942.50 965.00 757.50 386.50 173.50 8.00 5285.50
1946 15.50 78.00 269.00 494.00 583.00 839.50 1060.50 1043.50 688.50 497.50 139.50 84.00 5792.50
1947 14.50 14.50 112.50 342.50 581.00 902.50 1013.50 1095.50 857.00 625.50 40.50 20.50 5620.00
1948 4.00 25.50 110.00 495.50 634.00 874.00 1035.00 1032.00 788.00 368.00 107.50 44.50 5518.00
1949 9.30 a 15.00 124.00 317.00 679.50 868.50 1076.50 974.00 649.00 419.02 a 132.00 10.50 5274.32
1950 47.00 91.00 161.00 369.50 627.00 827.50 883.50 890.73 a 695.00 587.00 123.00 13.95 a 5316.18
1951 15.00 87.63 a 121.50 335.50 595.00 792.00 1019.50 1104.00 791.50 482.00 71.38 a 64.00 5479.01
1952 90.50 78.00 105.00 311.00 605.50 959.00 1001.50 1168.00 770.00 329.00 143.00 3.00 5563.50
1953 38.00 22.50 222.00 284.46 b 616.00 1042.50 954.00 934.00 789.00 451.05 a 92.00 11.50 5457.01
1954 14.00 143.63 a 142.00 488.28 a 425.45 b 665.50 f 836.00 i 1158.00 906.50 520.00 162.50 35.50 3995.85
1955 24.50 40.50 202.50 308.00 h 710.00 778.50 1055.50 781.00 g 804.50 386.50 97.00 26.00 4125.50
1956 9.50 56.50 204.00 367.24 a 780.50 951.00 1063.00 1071.50 837.50 529.50 79.00 32.03 a 5981.27
1957 10.50 67.00 68.00 288.50 578.00 804.00 1088.50 1031.50 696.72 a 340.00 55.50 24.00 5052.22
1958 0.00 35.50 16.50 259.00 630.85 a 890.50 988.00 1023.00 780.00 430.50 190.00 10.50 5254.35
1959 12.00 53.50 164.00 370.00 694.50 838.00 890.50 977.00 753.50 339.00 66.50 22.50 5181.00
1960 25.00 10.00 73.50 419.00 557.00 880.50 934.00 953.00 817.50 491.50 149.50 13.90 b 5324.40
1961 0.00 50.00 181.00 317.59 a 604.50 735.00 943.50 930.00 678.50 433.50 77.00 22.22 a 4972.80
1962 13.00 99.50 145.50 316.00 776.00 781.50 994.50 1036.00 708.50 507.00 112.50 26.00 5516.00
1963 1.00 38.00 233.50 485.50 696.00 918.50 1093.50 1083.50 826.50 684.00 203.50 3.00 6266.50
1964 9.50 4.00 121.00 462.00 694.50 869.00 1147.50 1044.00 740.00 351.00 191.00 13.00 5646.50
1965 39.00 25.00 36.50 479.50 653.00 828.00 1079.50 981.00 750.00 429.50 257.68 b 81.00 5639.68
1966 20.50 11.00 0.00 z 359.50 640.00 874.66 a 1142.00 923.00 670.34 a 380.50 223.00 48.50 5293.00
1967 41.50 28.00 345.00 547.50 592.50 900.50 983.00 952.73 a 673.00 465.50 100.50 17.50 5647.23
1968 33.00 6.73 a 180.50 354.50 589.50 841.00 973.50 1008.50 688.00 477.40 a 104.50 12.50 5269.63
1969 57.00 25.00 50.00 405.00 648.86 b 862.00 1160.00 1042.50 771.50 346.00 129.11 b 21.59 c 5518.56
1970 21.91 b 30.80 c 101.27 a 423.00 689.75 a 873.21 b 1101.61 c 1086.03 a 818.33 c 393.81 d 40.50 g 60.50 i 5539.73
1971 10.52 c 52.08 c 153.00 h 469.14 a 662.37 a 965.17 a 1064.00 882.50 727.00 505.96 c 0.00 z 36.17 d 5374.91
1972 25.04 e 51.50 g 285.64 c 524.48 a 656.17 a 946.55 a 995.62 a 1022.50 844.50 459.12 b 0.00 z 0.00 z 5759.62
1973 11.88 a 0.00 z 184.34 c 283.45 a 649.97 a 859.14 a 0.00 z 996.65 a 706.00 512.53 a 0.00 z 16.50 f 4203.96
1974 16.53 a 82.00 337.56 d 416.00 789.47 a 857.14 b 1099.39 c 959.45 a 525.00 b 461.79 b 100.96 d 2.77 c 5648.06
1975 8.00 h 1.68 c 90.50 h 309.23 d 586.23 c 831.92 d 954.11 d 998.31 d 607.20 e 474.62 b 166.07 b 8.50 m 4929.38
1976 1.50 l 111.00 n 82.00 n 388.97 a 475.85 a 810.52 a 924.83 d 820.50 f 468.50 j 69.50 r 52.50 h 0.00 z 2600.17
1977 0.00 n 49.58 d 175.84 b 394.50 554.50 f 715.50 g 1055.60 b 1007.00 873.60 e 446.83 b 185.77 d 25.32 a 4214.05
1978 0.00 d 1.04 a 107.97 b 442.76 a 613.36 c 829.82 b 0.00 z 904.88 b 783.89 c 393.04 c 113.08 d 0.00 z 4189.82
1979 0.00 z 0.00 o 83.00 l 324.83 a 558.53 b 831.21 a 1044.00 965.00 737.50 497.19 e 40.80 e 11.00 f 4999.06
1980 5.68 a 42.96 b 68.50 f 317.00 626.95 b 715.00 g 1234.50 1151.50 837.69 d 0.00 z 171.00 48.16 c 4435.45
1981 6.95 b 79.15 b 129.17 a 478.39 b 513.16 c 884.00 0.00 z 926.68 c 698.33 c 343.50 84.83 a 12.50 4156.66
1982 7.00 f 51.50 185.50 283.00 589.50 706.50 970.00 1086.50 709.00 0.00 z 110.50 18.50 4710.50
1983 0.00 23.50 120.50 245.00 510.00 726.00 0.00 z 1160.00 807.41 a 0.00 z 154.50 0.00 3746.91
1984 4.00 25.00 88.50 0.00 z 690.00 0.00 z 1070.50 1045.00 693.00 333.50 115.00 37.00 4101.50
1985 0.00 26.00 147.50 399.00 674.50 817.50 1014.00 0.00 z 738.00 351.50 66.00 1.00 4235.00
1986 13.00 113.04 a 193.00 407.59 a 623.00 871.00 1116.00 969.50 766.50 373.50 55.86 a 3.00 5504.99
1987 1.50 47.50 94.50 383.50 708.87 a 815.50 963.50 1012.50 688.97 a 342.50 147.41 a 18.50 5224.75
1988 17.50 40.91 a 156.00 280.50 647.50 868.50 1027.50 1080.50 722.00 296.00 150.50 14.50 5301.91
1989 18.50 4.00 0.00 z 430.50 651.00 a 742.50 990.00 949.50 599.50 483.50 137.50 4.00 5010.50
1990 24.50 47.50 162.23 a 272.00 579.00 1011.50 954.50 982.50 803.50 341.50 193.50 0.50 5372.73
1991 0.00 46.00 165.00 385.00 703.00 860.00 1024.00 939.50 599.50 429.50 59.50 25.50 5236.50
1992 1.00 65.50 198.50 331.00 533.00 753.00 973.00 825.00 704.50 441.50 0.00 z 17.50 4843.50
1993 0.00 15.50 108.50 258.50 562.00 847.50 1106.00 1054.50 641.00 314.00 22.50 27.00 4957.00
1994 5.50 10.50 182.00 356.00 546.00 966.00 982.50 985.50 692.50 449.50 103.00 21.50 5300.50
1995 19.00 67.50 188.00 292.00 502.00 771.50 1046.50 1019.00 656.00 418.50 103.50 31.00 5114.50
1996 6.00 120.50 120.50 270.50 823.00 924.00 1058.00 946.50 617.50 383.50 77.07 a 36.50 5383.57
1997 51.00 31.50 175.00 202.00 522.00 802.00 1039.00 946.50 806.50 439.00 79.00 4.00 5097.50
1998 17.00 32.50 135.00 273.50 777.00 996.50 1207.00 1085.00 967.00 521.50 133.00 50.50 6195.50
1999 27.50 72.50 81.00 351.21 a 607.00 835.50 1058.50 1157.33 a 711.50 428.83 a 236.50 25.50 5592.87
2000 20.00 71.00 192.00 306.50 720.23 a 782.00 1039.50 1147.00 788.57 b 477.00 56.00 0.00 5599.80
2001 0.00 14.00 d 61.00 418.97 a 642.22 a 875.50 1178.00 1059.50 687.93 a 364.50 253.39 b 28.79 c 5583.79
2002 27.50 27.50 107.50 365.00 562.00 846.00 965.00 1030.50 768.00 282.50 72.00 11.50 5065.00
2003 9.00 35.00 149.50 399.50 684.00 762.50 1076.00 1084.00 666.50 480.00 145.50 32.50 5524.00
2004 38.00 21.50 228.50 378.00 689.50 819.60 e 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2175.10
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 19.92 48.80 165.63 369.50 626.86 862.27 1037.34 1022.45 750.75 438.93 126.82 25.16 5506.93
S.D. 19.81 35.05 75.54 81.67 81.56 72.02 71.46 84.63 86.93 87.37 58.38 20.79 352.26
SKEW 1.50 0.90 0.50 0.27 -0.13 0.40 0.26 -0.11 0.23 0.34 0.46 1.15 0.44
MAX 90.50 144.00 345.00 574.00 823.00 1042.50 1234.50 1206.00 967.00 684.00 295.50 85.00 6379.50
MIN 0.00 0.00 15.50 202.00 421.00 706.50 883.50 787.50 525.00 282.50 12.00 0.00 4697.00
NO YRS 86 88 85 90 90 88 87 88 91 87 86 85 68