TAHOKA, TEXAS

Monthly Total Growing Degree Days

(418818)

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
1913 0.00 z 0.00 z 330.48 c 666.00 1006.50 998.50 1221.00 1256.50 853.50 555.00 387.50 54.50 7329.48
1914 305.50 131.00 369.50 586.50 791.50 1043.00 1177.00 1129.00 1054.00 607.00 392.00 43.00 7629.00
1915 92.00 122.50 g 178.00 592.50 809.50 1089.00 1168.00 1071.50 975.50 659.00 0.00 z 0.00 z 6635.00
1916 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 285.50 170.50 a 456.00
1917 161.00 261.50 406.50 622.00 825.00 1143.00 1329.50 1277.00 0.00 z 0.00 z 0.00 z 0.00 z 6025.50
1918 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
1919 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
1920 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
1921 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
1922 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
1923 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
1924 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
1925 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
1926 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
1927 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
1928 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
1929 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
1930 0.00 z 0.00 z 0.00 z 0.00 z 838.00 1074.50 0.00 z 0.00 z 1106.40 e 638.94 d 291.00 e 69.00 4017.84
1931 102.00 218.00 262.50 523.50 803.00 1177.50 984.50 g 899.00 h 1165.50 803.00 385.50 125.00 5565.50
1932 96.50 327.50 340.50 685.50 858.00 1100.50 1255.00 1172.00 809.50 594.17 a 295.50 104.33 e 7638.99
1933 173.50 146.50 466.00 392.50 i 912.00 1150.00 1321.00 1214.50 1097.00 803.50 390.00 e 305.87 a 7979.87
1934 79.50 g 236.50 392.50 711.50 993.00 1267.00 1369.00 1306.00 1011.00 847.50 0.00 z 198.50 8332.50
1935 283.50 213.00 548.00 687.00 791.00 1020.00 1232.00 1254.50 815.00 734.50 258.50 73.50 7910.50
1936 108.00 149.50 469.00 0.00 z 928.50 1182.00 1247.00 1295.00 920.50 579.50 240.50 181.50 7301.00
1937 57.00 0.00 z 0.00 z 0.00 z 0.00 z 1115.50 1274.00 1263.50 0.00 z 715.00 299.00 115.00 4839.00
1938 152.00 298.15 a 492.00 606.00 924.00 818.50 g 0.00 z 0.00 z 0.00 z 785.00 362.00 177.50 3796.65
1939 161.50 83.50 451.50 612.00 894.50 1167.60 e 1221.00 1159.00 1036.00 743.50 273.50 287.50 8091.10
1940 65.50 145.00 442.00 598.00 906.50 983.50 1238.00 1117.50 976.50 736.00 270.00 204.50 7683.00
1941 145.00 181.50 232.00 580.00 855.00 993.50 1162.00 1183.50 962.00 721.50 369.00 181.50 7566.50
1942 140.00 175.00 357.50 652.50 917.50 1139.00 951.00 g 1173.50 907.50 0.00 z 532.50 211.50 6206.50
1943 223.50 263.00 414.88 a 821.50 864.00 1122.00 1237.00 1353.00 0.00 z 0.00 z 330.50 96.00 6725.38
1944 185.00 277.50 395.50 646.50 934.00 1167.50 1231.50 1174.50 864.50 659.50 317.00 48.00 7901.00
1945 90.50 175.00 452.00 509.50 912.12 e 1111.00 0.00 z 1187.50 975.50 592.00 419.00 85.25 c 6509.37
1946 84.22 a 192.64 c 454.50 789.00 837.00 1081.07 b 1253.00 1253.90 b 918.50 696.50 330.00 233.00 8123.32
1947 129.00 78.00 281.30 d 542.00 845.27 a 1104.23 d 984.50 f 1174.00 1014.50 490.00 n 0.00 z 133.00 5301.29
1948 97.50 139.00 326.50 776.00 916.57 a 914.50 f 1195.50 1217.00 969.50 666.00 223.00 f 222.50 6526.07
1949 29.50 g 176.00 388.50 512.50 911.50 1087.00 1239.00 1120.00 896.50 598.50 470.00 131.75 a 7531.25
1950 55.50 t 286.74 a 9.50 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 302.50 t 93.00 z 0.00 z 0.00 z 286.74
1951 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
1952 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
1953 0.00 z 0.00 z 0.00 z 0.00 z 996.77 e 1306.11 c 622.50 o 1172.00 966.92 d 277.50 p 111.50 s 0.00 z 4441.80
1954 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1265.26 d 1066.07 b 561.50 h 165.00 p 0.00 z 2331.33
1955 0.00 z 0.00 z 0.00 z 0.00 z 351.00 t 1117.76 a 1203.00 1194.03 b 1003.93 b 699.50 330.58 d 256.27 a 5805.07
1956 134.16 b 195.23 a 481.61 c 587.07 a 1020.50 1163.00 1224.50 1203.32 a 1033.00 746.14 b 262.76 a 209.25 a 8260.53
1957 190.65 a 337.04 a 387.50 535.18 b 800.32 a 1099.50 1301.50 1229.84 b 918.00 614.00 200.50 229.00 7843.03
1958 70.27 a 44.00 w 0.00 z 184.50 u 928.40 b 1166.50 1281.50 1241.50 992.59 a 663.00 366.72 a 150.87 a 6861.34
1959 114.18 a 215.50 352.76 b 609.50 962.60 b 1102.24 a 1136.50 1218.00 992.50 599.50 236.50 152.00 7691.79
1960 109.53 a 88.55 a 319.00 554.00 f 906.50 675.00 n 1181.50 1205.00 998.00 740.00 413.50 70.50 6032.09
1961 68.00 190.50 384.00 650.00 967.20 a 1066.50 1119.00 1150.10 a 952.50 719.50 227.50 151.00 7645.80
1962 72.85 a 358.81 a 334.00 656.79 b 1050.26 b 1041.11 c 1212.00 1212.50 937.00 750.00 379.00 179.50 8183.82
1963 98.17 a 223.00 459.50 766.55 a 944.97 b 1059.50 1259.12 a 1232.77 a 1013.50 845.55 b 367.00 92.50 8362.12
1964 114.50 51.79 a 333.50 677.50 963.00 1109.00 1300.97 a 1250.00 924.50 679.50 356.50 157.50 7918.25
1965 148.00 113.50 205.00 680.00 894.50 1071.72 a 1260.50 1155.00 949.50 694.00 497.00 217.00 7885.72
1966 72.50 76.50 442.50 561.00 850.50 1078.00 1309.50 1090.50 915.50 589.50 445.00 131.50 7562.50
1967 158.00 133.50 510.00 731.50 836.50 1077.50 1159.50 1109.00 863.00 678.00 356.50 94.00 7707.00
1968 128.50 127.00 348.00 541.50 868.00 1051.00 1135.50 1152.00 874.00 730.50 266.00 104.50 7326.50
1969 215.50 152.50 157.50 658.50 837.00 1092.50 1304.50 1257.00 915.50 537.00 307.50 224.50 7659.50
1970 124.00 163.00 245.50 579.50 868.00 1055.50 1225.50 1220.50 931.00 515.50 279.00 203.50 7410.50
1971 177.50 150.50 348.00 590.50 864.00 1104.00 1201.50 996.00 873.50 682.50 333.50 183.50 7505.00
1972 168.50 212.50 501.00 743.00 822.50 1088.00 1117.50 1052.50 941.50 631.00 161.50 99.00 7538.50
1973 77.50 88.00 343.00 446.00 824.50 1031.50 1160.50 1145.50 906.00 745.50 384.00 159.00 7311.00
1974 130.00 179.00 558.50 660.00 1000.00 1090.00 1269.34 c 1063.50 718.00 657.50 282.50 99.50 7707.84
1975 113.50 106.00 305.50 553.50 858.50 1095.50 1087.50 1103.50 797.00 692.50 340.50 177.50 7231.00
1976 117.00 371.00 364.77 a 666.50 784.00 1065.00 1032.30 a 1131.00 875.00 464.00 221.50 102.50 7194.57
1977 29.00 176.50 346.00 560.00 960.50 1123.50 1223.00 1242.50 1126.00 733.50 365.50 202.50 8088.50
1978 46.00 51.50 397.50 759.00 905.50 1116.50 1278.00 1168.00 945.00 678.50 304.50 110.00 7760.00
1979 47.00 136.50 341.00 621.50 819.00 1016.50 1221.00 1110.50 975.50 760.00 188.00 165.00 7401.50
1980 130.00 210.00 328.00 545.00 851.00 1222.50 1345.50 1245.00 983.50 646.50 276.50 223.50 8007.00
1981 118.50 207.50 301.50 688.00 858.18 a 1133.00 1250.50 1123.00 951.00 628.50 384.50 182.00 7826.18
1982 122.50 173.00 394.50 554.50 843.50 989.50 1225.50 1228.50 997.00 671.00 326.00 126.00 7651.50
1983 55.00 153.00 367.00 470.50 848.00 621.00 k 1255.00 1286.00 1058.50 770.50 346.50 82.00 6692.00
1984 69.00 165.50 302.00 549.00 953.00 1130.50 1208.50 1180.50 860.50 559.00 271.00 182.50 7431.00
1985 49.00 138.50 405.00 715.50 968.00 1053.75 b 1235.00 1279.00 939.00 589.00 303.50 92.50 7767.75
1986 188.00 293.50 483.00 752.00 935.50 1037.50 1251.00 1167.50 945.50 626.00 257.00 85.50 8022.00
1987 116.50 174.00 256.50 547.50 879.50 1056.50 1177.50 1195.00 900.50 705.00 323.50 167.50 7499.50
1988 68.00 158.50 358.57 a 575.50 880.00 1122.00 1192.50 1217.00 943.00 685.00 383.50 107.00 7690.57
1989 167.00 138.50 476.50 721.50 990.00 1027.50 1233.00 1156.00 855.00 737.00 348.00 85.00 7935.00
1990 140.50 221.50 351.00 605.00 860.00 1274.00 1123.50 1116.00 974.50 629.00 424.50 119.50 7839.00
1991 52.50 217.50 414.50 651.00 998.00 1076.50 1146.00 1104.00 805.50 680.00 183.00 112.50 7441.00
1992 57.50 236.00 440.00 612.00 785.50 1004.00 1190.00 1048.50 926.00 697.50 248.00 131.50 7376.50
1993 75.00 108.00 319.00 564.50 859.50 1089.00 1254.50 1192.50 883.50 587.00 190.50 131.50 7254.50
1994 83.50 132.50 393.00 569.50 850.00 1221.00 1262.00 1182.00 927.50 675.00 324.00 178.50 7798.50
1995 137.50 248.50 371.00 538.50 838.50 1053.00 1249.00 1183.00 892.00 648.50 342.50 167.00 7669.00
1996 112.50 299.50 298.00 591.00 1113.50 1148.50 1238.50 1135.50 870.50 631.00 313.00 208.50 7960.00
1997 157.00 122.50 418.00 426.00 820.50 995.00 1193.50 1167.00 994.00 653.50 255.00 84.00 7286.00
1998 166.50 151.00 309.50 560.00 1073.00 1260.00 1380.50 1188.00 1098.00 783.50 408.50 191.50 8570.00
1999 226.50 324.00 349.00 625.50 855.50 1071.50 1245.00 1301.00 948.50 689.50 508.00 171.50 8315.50
2000 223.50 341.50 474.00 678.00 1076.50 1095.00 1293.00 1290.50 1095.50 718.00 171.00 79.50 8536.00
2001 71.50 204.00 298.00 732.50 971.00 1225.50 1404.50 1269.00 1004.00 704.50 467.50 189.50 8541.50
2002 187.50 141.00 324.50 721.50 951.50 1170.00 1223.50 1286.00 1004.50 691.50 299.50 165.50 8166.50
2003 166.50 182.50 432.00 718.00 980.00 1064.00 1282.50 1269.50 915.50 804.50 406.00 198.50 8419.50
2004 163.00 149.00 538.50 629.00 1032.00 1172.50 1240.50 1164.50 940.00 757.50 317.00 221.50 8325.00
2005 264.50 207.50 376.50 660.50 915.00 1212.00 1269.00 1178.50 1090.00 736.00 440.00 211.50 8561.00
2006 317.00 246.50 507.00 827.00 1094.00 1223.50 1327.00 1284.50 922.00 749.00 412.00 150.50 9060.00
2007 62.00 194.00 525.00 512.50 801.50 1018.50 1126.50 1181.50 1010.50 788.50 376.50 185.50 7782.50
2008 133.50 228.50 388.00 598.00 926.50 1236.50 1217.00 1144.00 856.50 657.00 373.00 198.00 7956.50
2009 176.50 285.00 487.00 615.00 890.00 1178.50 1235.50 1237.00 886.50 571.00 412.50 73.00 8047.50
2010 115.00 71.00 345.00 609.50 870.00 1197.00 1142.50 1242.50 1013.00 719.00 343.00 201.50 7869.00
2011 103.00 240.50 513.00 779.50 949.50 1351.50 1421.00 1435.00 1001.50 727.50 340.50 89.00 8951.50
2012 184.50 197.00 571.00 816.50 1038.00 1216.50 1279.00 1269.50 986.00 520.50 h 0.00 z 0.00 z 7558.00
Period of Record Statistics
MEAN 130.36 189.79 385.02 630.85 905.72 1114.32 1232.81 1195.94 952.66 681.79 331.78 152.09 7857.30
S.D. 61.00 73.75 88.20 89.22 78.54 78.17 70.34 73.85 81.43 76.17 79.54 57.46 413.93
SKEW 0.88 0.44 -0.09 0.23 0.61 0.67 0.06 0.08 0.07 -0.26 0.08 0.17 0.75
MAX 317.00 371.00 571.00 827.00 1113.50 1351.50 1421.00 1435.00 1165.50 847.50 532.50 305.87 9060.00
MIN 29.00 51.50 157.50 426.00 784.00 983.50 1032.30 996.00 718.00 464.00 161.50 43.00 7194.57
NO YRS 77 77 78 75 81 79 76 81 80 77 77 80 61