AMARILLO INTL AP, TEXAS

Monthly Total Growing Degree Days

(410211)

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
1948 48.00 68.20 b 200.50 644.00 798.50 1050.50 1204.00 1123.50 919.50 574.50 136.50 104.50 6872.20
1949 24.50 78.00 229.50 440.00 767.00 1007.50 1183.00 1079.50 845.50 554.50 385.00 87.50 6681.50
1950 138.00 203.00 263.00 479.00 801.50 1073.50 1062.50 1044.00 808.00 765.00 243.00 106.50 6987.00
1951 73.00 161.50 205.50 414.50 770.00 964.50 1273.00 1229.50 898.50 591.50 165.00 120.00 6866.50
1952 179.50 134.00 213.00 439.50 772.50 1204.50 1191.00 1292.00 896.00 555.50 213.00 51.50 7142.00
1953 201.50 109.50 406.00 442.50 784.50 1298.50 1246.00 1148.00 983.00 634.50 260.00 39.50 7553.50
1954 138.00 247.50 247.00 642.00 654.50 1097.50 1334.50 1237.00 1057.00 653.50 320.00 148.50 7777.00
1955 68.50 91.00 301.50 581.00 796.50 949.00 1158.00 1137.50 911.00 612.50 187.00 130.50 6924.00
1956 77.50 85.00 302.00 413.00 933.50 1140.00 1166.50 1153.50 990.00 703.00 162.50 138.50 7265.00
1957 85.50 212.50 196.50 394.50 640.50 968.00 1276.50 1149.50 790.00 503.50 107.00 131.50 6455.50
1958 34.50 91.50 49.50 334.50 826.00 1079.00 1177.00 1182.50 913.50 561.50 251.00 81.00 6581.50
1959 39.00 107.50 215.50 462.00 805.50 1036.00 1099.50 1190.50 906.50 459.00 168.00 72.00 6561.00
1960 45.50 20.50 214.50 548.50 778.50 1029.00 1099.00 1122.00 883.00 576.50 238.00 40.00 6595.00
1961 26.00 117.50 282.50 485.50 846.00 1018.00 1128.50 1152.50 827.00 603.00 143.50 86.50 6716.50
1962 53.00 246.00 251.00 517.50 980.50 971.50 1179.00 1186.00 912.50 667.00 260.00 127.50 7351.50
1963 42.50 159.50 347.50 653.50 897.50 1023.50 1279.50 1171.00 967.50 810.50 285.00 47.50 7685.00
1964 80.00 11.00 179.50 538.50 896.00 1093.00 1297.00 1181.50 888.00 639.00 260.00 113.50 7177.00
1965 106.00 86.00 119.00 582.00 833.00 960.50 1195.50 1141.50 853.50 603.50 378.00 167.00 7025.50
1966 30.00 25.00 346.00 437.00 804.50 1025.00 1329.50 1038.50 853.50 547.00 353.00 92.00 6881.00
1967 144.50 90.50 442.50 616.50 724.50 1010.00 1152.50 1085.00 848.50 648.50 237.00 71.50 7071.50
1968 94.50 80.50 309.50 458.50 723.00 1044.50 1147.00 1148.00 873.00 684.00 187.50 56.50 6806.50
1969 150.00 83.50 119.00 596.50 843.50 983.00 1318.50 1245.50 931.50 458.00 233.00 89.00 7051.00
1970 72.00 119.00 144.50 490.00 892.50 1035.50 1260.50 1211.00 925.00 442.00 237.50 153.50 6983.00
1971 124.50 112.50 309.50 471.50 769.50 1075.00 1145.00 998.50 811.50 534.00 206.50 82.00 6640.00
1972 83.00 124.50 378.00 584.50 720.00 1008.50 1068.00 1051.50 876.00 576.00 81.50 59.00 6610.50
1973 66.50 88.00 222.00 342.50 707.50 1052.00 1180.50 1202.50 860.00 680.50 337.00 83.00 6822.00
1974 85.00 127.50 435.00 604.50 975.50 1048.50 1218.00 1042.50 685.00 589.50 209.00 37.50 7057.50
1975 69.00 61.50 223.00 455.50 759.50 998.00 1098.00 1137.00 773.50 652.50 248.50 109.50 6585.50
1976 82.50 285.50 232.00 503.50 627.00 965.50 1078.50 1087.00 794.00 331.00 128.00 46.50 6161.00
1977 4.50 129.00 284.00 534.00 844.50 1142.00 1259.50 1160.50 1029.00 640.00 242.00 118.50 7387.50
1978 33.50 25.50 294.50 640.50 742.50 1062.00 1262.00 1118.50 920.00 600.00 211.00 59.50 6969.50
1979 26.50 89.50 216.00 442.00 686.50 927.00 1148.50 1041.00 893.00 625.50 103.00 77.50 6276.00
1980 60.00 113.50 174.00 375.50 679.00 1149.00 1328.50 1194.00 919.50 522.00 234.50 156.00 6905.50
1981 49.00 175.00 286.00 691.50 792.50 1153.50 1279.00 1066.00 870.50 512.50 275.50 102.50 7253.50
1982 83.50 151.00 283.50 413.50 723.00 964.50 1202.00 1197.50 931.00 537.00 227.50 65.00 6779.00
1983 27.00 70.50 229.50 361.50 630.50 911.00 1239.50 1270.50 1008.50 632.50 298.50 34.50 6714.00
1984 46.00 77.00 164.50 353.00 832.50 1039.00 1103.00 1093.00 772.50 523.00 228.50 129.00 6361.00
1985 16.00 102.00 311.50 601.00 872.00 1051.50 1241.50 1225.50 869.50 523.50 174.50 33.50 7022.00
1986 146.50 195.00 397.00 581.50 779.00 997.00 1257.50 1064.50 861.50 493.00 149.50 17.00 6939.00
1987 55.00 113.50 209.50 451.50 758.50 963.00 1154.00 1094.00 828.00 553.50 220.50 102.50 6503.50
1988 47.50 91.50 222.50 427.00 731.50 999.00 1108.50 1126.00 830.00 590.00 274.00 73.50 6521.00
1989 114.50 43.00 418.00 601.50 844.00 881.50 1120.00 1114.50 788.50 632.50 272.00 42.00 6872.00
1990 88.50 106.50 256.00 476.50 730.00 1238.00 1128.00 1124.50 959.50 548.00 328.50 68.50 7052.50
1991 6.50 177.00 312.00 547.00 882.50 1040.50 1131.50 1122.50 812.50 619.50 136.50 65.50 6853.50
1992 46.50 162.50 339.50 559.50 721.50 922.00 1133.50 1038.00 906.50 620.50 115.50 0.00 z 6565.50
1993 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1020.50 1210.00 1082.00 836.00 471.50 112.50 71.00 4803.50
1994 51.50 79.00 308.00 461.00 780.50 1181.50 1159.50 1112.50 871.50 562.50 227.00 105.50 6900.00
1995 101.00 183.50 316.00 427.00 669.50 924.00 1153.50 1185.00 836.50 566.50 280.00 119.00 6761.50
1996 76.50 248.00 207.50 506.50 1007.50 1067.50 1149.50 1064.50 775.50 547.00 230.00 151.50 7031.50
1997 110.00 84.50 336.50 314.00 720.00 948.00 1172.50 1083.00 955.50 571.00 154.00 28.50 6477.50
1998 63.50 73.00 208.50 403.00 905.00 1122.00 1312.50 1176.50 1071.50 631.50 278.50 112.50 7358.00
1999 116.00 215.70 a 242.50 443.50 690.00 954.00 1160.00 1177.50 786.00 568.33 a 384.50 58.38 a 6796.42
2000 114.70 a 228.50 294.50 535.00 920.50 961.00 1241.00 1295.50 1010.00 594.17 a 91.50 21.50 7307.87
2001 17.57 a 116.50 191.00 630.50 778.50 1094.50 1360.50 1200.00 912.50 624.50 369.00 108.00 7403.07
2002 104.00 99.50 265.00 597.00 818.50 1131.50 1209.00 1179.00 875.50 416.50 165.50 49.50 6910.50
2003 89.50 89.00 272.00 559.00 832.50 893.50 1241.50 1217.00 831.00 678.50 271.50 116.50 7091.50
2004 100.50 78.50 389.00 463.00 909.00 1001.00 1110.50 1039.50 898.50 582.50 145.00 111.50 6828.50
2005 126.50 116.00 206.00 448.00 746.50 1042.50 1174.50 1106.00 978.00 541.00 281.00 92.00 6858.00
2006 141.00 98.50 301.00 621.00 908.50 1098.50 1185.00 1072.00 729.00 557.50 292.00 86.00 7090.00
2007 34.50 139.50 429.00 414.50 756.50 969.50 1148.50 1231.00 971.50 680.00 297.00 101.00 7172.50
2008 95.00 99.18 d 272.50 499.50 815.00 1116.50 1160.50 1072.00 807.00 0.00 z 259.00 125.50 6321.68
2009 111.50 194.00 382.00 481.00 739.50 1065.50 1182.00 1115.00 813.00 429.50 323.00 31.00 6867.00
2010 63.50 15.00 262.00 518.50 750.50 1157.00 1141.00 1188.00 1015.00 666.50 231.00 117.50 7125.50
2011 52.50 155.00 343.50 603.50 827.50 1273.50 1401.00 1397.00 920.00 607.50 259.00 44.50 7884.50
2012 120.50 103.00 515.50 687.50 916.00 1168.00 1322.50 1240.00 938.00 401.50 j 0.00 z 0.00 z 7011.00
Period of Record Statistics
MEAN 78.17 119.77 273.82 503.79 794.85 1043.69 1197.50 1145.42 884.82 582.23 230.68 86.82 6937.05
S.D. 42.94 60.62 87.14 93.01 87.06 89.62 77.47 75.50 78.56 81.74 75.42 37.70 345.95
SKEW 0.53 0.66 0.28 0.09 0.28 0.66 0.51 0.57 0.12 -0.22 0.03 0.09 0.41
MAX 201.50 285.50 515.50 691.50 1007.50 1298.50 1401.00 1397.00 1071.50 810.50 385.00 167.00 7884.50
MIN 4.50 11.00 49.50 314.00 627.00 881.50 1062.50 998.50 685.00 331.00 81.50 17.00 6161.00
NO YRS 64 64 64 64 64 65 65 65 65 63 64 63 61