LAWTON, OKLAHOMA

Monthly Total Growing Degree Days

(345063)

Base Temperature = 40 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 1395.00 a 1274.50 1001.00 0.00 z 163.00 62.00 3895.50
1913 131.50 91.00 293.50 692.50 995.50 1113.50 1384.00 1421.00 937.00 538.00 369.00 79.00 8045.50
1914 205.50 91.50 324.50 510.00 794.93 c 1205.00 1373.50 1199.50 1040.50 680.00 426.50 17.50 7868.93
1915 67.00 167.50 89.00 659.00 814.50 1057.00 1208.50 1097.50 1023.50 706.00 420.00 171.50 7481.00
1916 135.50 172.50 470.50 465.50 915.50 1121.00 1277.50 1334.50 1008.00 725.00 323.50 127.50 8076.50
1917 156.50 149.50 432.00 595.00 718.50 1136.50 1341.00 1270.50 1090.00 579.00 415.00 81.00 7964.50
1918 33.00 234.00 550.50 555.00 1061.00 1325.50 1364.50 1450.50 894.00 822.00 365.50 210.50 8866.00
1919 115.00 128.50 415.50 622.00 859.50 1081.00 1289.50 1352.50 1099.00 715.00 281.00 88.50 8047.00
1920 70.00 199.00 461.00 569.50 918.50 1114.50 1318.50 1181.50 1078.00 789.50 290.00 155.00 8145.00
1921 239.50 222.00 592.50 621.50 975.00 1131.50 1324.50 1411.50 1252.00 802.00 435.00 253.00 9260.00
1922 90.00 232.50 460.50 704.00 940.00 1172.00 1370.56 e 1424.00 1140.00 783.50 412.50 256.00 8985.56
1923 320.50 119.50 348.50 664.00 939.00 1151.50 1371.50 1343.50 1076.50 601.50 335.00 199.00 8470.00
1924 76.00 182.00 219.00 624.00 809.00 1287.50 1287.00 1381.50 976.00 824.50 476.50 154.50 8297.50
1925 67.50 304.50 593.00 874.00 927.00 1323.50 1468.62 c 769.00 m 1120.50 584.50 346.50 173.50 7783.12
1926 108.50 306.50 356.00 548.00 947.00 1167.00 1259.50 1298.50 1069.00 841.00 328.50 158.00 8387.50
1927 145.00 321.50 446.00 768.00 1072.00 1123.50 1264.00 1250.00 1055.50 825.50 568.50 100.00 8939.50
1928 186.50 206.00 487.50 579.50 948.00 1089.00 1269.50 1293.50 1020.00 886.50 320.50 109.50 8396.00
1929 71.00 34.00 439.00 776.00 834.00 1135.50 1276.50 1376.00 993.50 749.00 165.54 b 249.00 8099.04
1930 35.50 373.50 388.00 845.50 906.50 1164.00 1393.50 1410.50 1175.50 672.50 380.00 101.00 8846.00
1931 0.00 z 286.00 275.50 525.50 801.50 1230.50 1354.00 1267.00 1262.50 904.50 458.50 189.00 8554.50
1932 116.00 360.00 367.00 730.50 946.00 1161.00 1364.00 1278.50 927.50 653.50 262.50 137.50 8304.00
1933 254.50 157.50 501.50 675.00 981.00 1179.00 1363.50 1238.00 1182.50 785.00 414.00 250.00 8981.50
1934 159.50 192.50 358.05 a 720.00 962.00 1286.00 1461.00 1470.00 1048.00 877.00 490.50 136.00 9160.55
1935 249.00 227.50 624.00 654.00 831.50 1114.50 1364.00 1389.00 924.50 782.50 238.50 117.00 8516.00
1936 92.50 164.50 584.50 703.00 1024.00 1233.00 1437.50 1477.00 1117.50 587.00 279.50 186.00 8886.00
1937 51.50 179.50 319.50 700.50 1020.50 1224.00 1430.00 1451.00 1115.50 718.00 318.50 123.50 8652.00
1938 199.00 315.00 638.50 631.50 966.00 1191.00 1381.50 1441.00 1149.00 932.50 346.00 170.00 9361.00
1939 195.50 110.50 524.50 675.50 1065.00 1263.00 1477.00 1395.00 1261.50 886.50 346.00 283.50 9483.50
1940 20.00 172.50 525.00 690.00 972.50 1109.50 1321.00 1294.00 1055.50 892.00 308.00 192.00 8552.00
1941 175.50 148.50 303.50 698.00 1018.00 1099.00 1338.00 1346.00 1093.50 825.00 359.00 227.50 8631.50
1942 189.50 189.50 433.50 739.50 0.00 z 1215.00 1338.50 1284.50 995.00 657.56 e 463.00 153.50 7659.06
1943 178.00 293.00 361.50 810.00 892.50 1248.00 1404.00 1516.00 1083.50 719.50 347.50 83.50 8937.00
1944 182.50 254.00 378.50 657.00 964.50 1233.00 1351.50 1389.50 1062.00 760.50 426.50 56.00 8715.50
1945 100.00 156.50 516.00 597.00 937.00 1146.50 1252.50 1275.00 1054.00 695.50 439.50 86.50 8256.00
1946 98.50 271.00 574.00 794.00 893.00 1139.50 1370.50 1353.50 988.50 807.50 393.50 290.00 8973.50
1947 147.00 100.00 310.50 632.00 891.00 1202.50 1323.50 1405.50 1157.00 935.50 209.00 137.00 8450.50
1948 52.50 111.00 281.50 793.50 944.00 1174.00 1345.00 1342.00 1088.00 669.50 301.00 180.50 8282.50
1949 52.18 a 97.50 343.00 594.50 989.50 1168.50 1386.50 1284.00 949.00 717.13 a 405.00 143.00 8129.82
1950 172.00 291.50 408.00 665.50 937.00 1127.50 1193.50 1200.73 a 995.00 897.00 326.50 144.15 a 8358.38
1951 144.00 259.26 a 344.50 622.50 905.00 1092.00 1329.50 1414.00 1091.50 786.50 231.21 a 190.00 8409.97
1952 276.50 281.50 339.00 598.00 915.50 1259.00 1311.50 1478.00 1070.00 632.50 337.00 85.00 8583.50
1953 223.50 181.50 511.50 578.04 b 922.50 1342.50 1264.00 1244.00 1089.00 760.02 a 330.00 111.50 8558.05
1954 150.00 390.44 a 351.00 785.17 a 730.64 b 905.50 f 1056.00 i 1468.00 1206.50 825.00 428.00 196.50 6531.25
1955 105.00 164.00 431.00 527.00 h 1020.00 1078.50 1365.50 1021.00 g 1104.50 696.50 297.00 124.50 6386.50
1956 97.00 184.50 436.00 662.07 a 1090.50 1251.00 1373.00 1381.50 1137.50 839.50 271.00 175.15 a 8898.72
1957 78.00 236.00 278.50 550.50 888.00 1104.00 1398.50 1341.50 996.72 a 615.50 235.00 193.00 7915.22
1958 102.00 133.00 150.00 547.00 940.85 a 1190.50 1298.00 1333.00 1080.00 739.50 425.50 122.50 8061.85
1959 88.50 206.50 409.50 652.50 1004.50 1138.00 1200.50 1287.00 1053.50 645.50 220.50 205.50 8112.00
1960 110.00 97.50 224.00 719.00 866.00 1180.50 1244.00 1263.00 1117.50 798.50 392.50 80.17 b 8092.67
1961 57.50 183.00 436.50 608.28 a 914.50 1035.00 1253.50 1240.00 978.50 743.50 274.50 101.27 a 7826.04
1962 88.00 295.00 375.00 606.50 1086.00 1081.50 1304.50 1346.00 1008.50 815.00 375.50 163.50 8545.00
1963 43.50 170.00 507.00 781.50 1006.00 1218.50 1403.50 1393.50 1126.50 994.00 458.50 91.00 9193.50
1964 131.50 77.50 350.00 758.00 1004.50 1169.00 1457.50 1354.00 1040.00 661.00 393.00 118.50 8514.50
1965 153.00 135.00 187.50 779.50 963.00 1128.00 1389.50 1291.00 1050.00 739.50 551.25 b 290.00 8657.25
1966 109.50 91.50 0.00 z 659.50 947.50 1174.66 a 1452.00 1233.00 970.34 a 690.50 486.50 156.50 7971.50
1967 187.00 150.50 623.00 847.50 902.50 1200.50 1293.00 1262.73 a 973.00 761.50 329.50 131.50 8662.23
1968 140.00 112.89 a 400.50 648.00 899.50 1141.00 1283.50 1318.50 988.00 787.40 a 309.50 101.50 8130.29
1969 191.00 146.00 198.00 705.00 958.86 b 1162.00 1470.00 1352.50 1071.50 635.00 371.79 b 183.79 c 8445.43
1970 80.71 b 194.88 c 304.83 a 716.00 999.75 a 1173.21 b 1411.61 c 1396.03 a 1118.33 c 700.94 d 201.50 g 199.00 i 8096.30
1971 119.02 c 190.96 c 343.50 h 766.03 a 972.37 a 1265.17 a 1374.00 1192.50 1027.00 815.96 c 0.00 z 162.46 d 7885.48
1972 130.56 e 147.00 g 567.96 c 821.90 a 966.17 a 1246.55 a 1305.62 a 1332.50 1144.50 750.95 b 0.00 z 0.00 z 8266.70
1973 80.08 a 0.00 z 493.79 c 557.59 a 959.97 a 1159.14 a 0.00 z 1306.65 a 1006.00 822.53 a 0.00 z 116.00 f 6385.74
1974 131.75 a 280.50 606.80 d 715.50 1099.47 a 1157.14 b 1409.39 c 1269.45 a 825.00 b 771.79 b 330.58 d 94.66 c 8692.03
1975 90.50 h 67.20 c 227.00 h 597.12 d 896.23 c 1131.92 d 1264.11 d 1308.31 d 907.20 e 784.62 b 378.75 b 58.50 m 7335.47
1976 79.00 l 251.00 n 222.50 n 684.31 a 785.85 a 1110.52 a 1234.83 d 1070.50 f 668.50 j 165.50 r 169.50 h 0.00 z 3815.51
1977 14.00 n 216.42 d 454.31 b 694.50 804.50 f 945.50 g 1365.60 b 1317.00 1173.60 e 756.83 b 456.92 d 145.18 a 6580.36
1978 25.83 d 33.70 a 301.98 b 740.17 a 923.36 c 1129.82 b 0.00 z 1214.88 b 1083.89 c 700.82 c 302.31 d 0.00 z 6456.77
1979 0.00 z 2.50 o 244.00 l 602.59 a 866.93 b 1131.21 a 1354.00 1275.00 1037.50 800.63 e 222.00 e 87.50 f 7289.86
1980 97.65 a 146.61 b 260.00 f 608.50 936.95 b 945.00 g 1544.50 1461.50 1137.69 d 0.00 z 343.50 198.18 c 6475.08
1981 99.95 b 208.38 b 393.70 a 778.39 b 823.16 c 1184.00 0.00 z 1236.68 c 998.33 c 636.00 327.41 a 115.50 6801.51
1982 89.00 f 160.00 439.00 574.50 899.50 1006.50 1280.00 1396.50 1009.00 0.00 z 298.50 146.00 7209.50
1983 45.50 159.00 332.50 502.00 820.00 1026.00 0.00 z 1470.00 1107.41 a 0.00 z 383.50 64.50 5910.41
1984 86.00 194.50 305.00 0.00 z 1000.00 0.00 z 1380.50 1355.00 986.00 642.00 318.00 169.50 6436.50
1985 16.00 123.00 409.00 698.50 984.50 1117.50 1324.00 0.00 z 1032.50 657.00 249.50 63.00 6674.50
1986 141.00 268.59 a 466.00 707.59 a 933.00 1171.00 1426.00 1279.50 1066.50 677.00 258.10 a 78.50 8472.78
1987 77.00 201.50 316.00 675.00 1018.87 a 1115.50 1273.50 1322.50 988.97 a 647.50 350.17 a 138.50 8125.00
1988 87.00 174.00 a 368.50 573.50 957.50 1168.50 1337.50 1390.50 1022.00 606.00 363.50 164.00 8212.50
1989 162.00 49.00 0.00 z 716.00 961.00 a 1042.50 1300.00 1259.50 899.50 774.50 337.50 61.00 7562.50
1990 159.00 216.50 388.53 a 559.00 889.00 1311.50 1264.50 1292.50 1103.50 636.00 440.00 91.50 8351.53
1991 23.00 241.00 423.00 685.00 1013.00 1160.00 1334.00 1249.50 899.50 719.50 218.50 141.00 8107.00
1992 116.50 272.00 469.50 615.00 843.00 1053.00 1283.00 1135.00 1004.50 751.50 0.00 z 118.50 7661.50
1993 32.00 119.00 313.50 534.00 872.00 1147.50 1416.00 1364.50 941.00 600.00 183.50 166.00 7689.00
1994 77.50 95.00 426.00 632.00 855.00 1266.00 1292.50 1295.50 992.50 758.00 344.00 136.00 8170.00
1995 130.00 225.00 397.50 576.50 812.00 1071.50 1356.50 1329.00 954.50 728.50 328.50 151.00 8060.50
1996 87.00 293.50 325.00 552.00 1133.00 1224.00 1368.00 1256.50 917.50 690.00 267.93 a 183.00 8297.43
1997 158.50 153.50 443.00 464.00 832.00 1102.00 1349.00 1256.50 1106.50 730.50 270.50 89.00 7955.00
1998 110.50 211.50 305.00 573.50 1087.00 1296.50 1517.00 1395.00 1267.00 831.50 402.50 170.00 9167.00
1999 140.00 281.00 326.50 648.62 a 917.00 1135.50 1368.50 1467.33 a 1011.50 738.32 a 503.50 148.50 8686.27
2000 156.50 242.00 458.50 599.00 1030.23 a 1082.00 1349.50 1457.00 1088.57 b 767.50 187.00 19.00 8436.80
2001 32.00 147.00 d 251.00 718.97 a 952.22 a 1175.50 1488.00 1369.50 987.93 a 674.50 503.57 b 150.57 c 8450.76
2002 155.50 140.50 304.00 656.00 872.00 1146.00 1275.00 1340.50 1068.00 581.00 285.00 118.00 7941.50
2003 71.50 135.50 366.00 692.00 994.00 1062.50 1386.00 1394.00 966.50 790.00 358.50 182.50 8399.00
2004 163.50 112.50 530.00 665.50 999.50 1119.60 e 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3590.60
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 121.02 189.35 400.39 659.65 936.48 1162.27 1347.34 1332.45 1050.46 741.80 347.51 144.93 8450.40
S.D. 61.90 77.23 112.50 88.42 82.18 72.02 71.46 84.63 87.00 93.01 86.79 57.55 419.62
SKEW 0.63 0.34 -0.02 0.15 -0.16 0.40 0.26 -0.11 0.24 0.17 0.12 0.37 0.32
MAX 320.50 390.44 638.50 874.00 1133.00 1342.50 1544.50 1516.00 1267.00 994.00 568.50 290.00 9483.50
MIN 16.00 33.70 89.00 464.00 718.50 1006.50 1193.50 1097.50 825.00 538.00 163.00 17.50 7481.00
NO YRS 86 88 85 90 90 88 87 88 91 87 86 85 68