BIG SPRING, TEXAS

Monthly Total Growing Degree Days

(410786)

Base Temperature = 40 F

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 201012
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 132.00 216.00 400.70 d 924.00 1074.50 1287.50 1300.50 1327.00 1040.00 741.50 316.00 304.50 9064.20
1949 84.00 256.00 506.50 603.50 1024.00 1178.00 1350.00 1247.50 1038.00 720.50 523.50 245.50 8777.00
1950 329.50 381.50 503.50 731.00 1000.50 1171.00 1254.00 1251.00 1019.00 950.50 450.00 215.00 9256.50
1951 193.50 356.50 463.00 679.50 1053.50 1251.00 1399.00 1374.50 1113.00 857.00 337.50 293.00 9371.00
1952 381.00 326.50 447.00 707.50 1019.00 1313.00 1324.50 1490.00 1052.50 765.00 365.00 196.00 9387.00
1953 388.00 241.50 642.50 707.50 1027.50 1407.41 a 1397.50 1321.50 1153.50 812.00 289.50 g 155.00 9253.91
1954 252.50 403.50 481.50 859.50 868.52 a 1202.00 1386.00 1354.00 1171.50 824.60 a 443.00 285.20 a 9531.82
1955 168.43 a 227.50 561.50 837.00 1043.50 1194.50 1299.00 1262.00 1095.00 837.00 426.00 263.50 9214.93
1956 204.00 266.70 a 540.95 a 678.46 d 1147.00 1329.31 a 1363.00 1341.00 1142.00 890.50 334.00 297.00 9533.92
1957 251.32 c 383.19 a 481.00 643.50 908.50 1112.00 1393.00 1343.16 b 1011.43 b 674.00 233.79 a 311.50 8746.38
1958 113.50 168.52 a 229.40 a 657.78 c 1009.00 0.00 z 1383.50 1338.88 b 1076.50 698.50 422.50 184.00 7282.08
1959 152.62 e 237.00 468.88 c 661.61 b 571.00 n 863.50 i 1207.00 941.00 i 1127.00 710.00 265.50 251.00 5080.60
1960 189.44 d 177.48 d 347.50 785.00 c 986.50 897.50 i 1291.27 e 1332.00 1118.50 869.00 450.00 114.00 7660.69
1961 119.00 255.50 266.50 l 729.50 1048.00 1125.00 1189.22 b 1208.00 1017.00 802.50 283.00 194.00 7970.72
1962 109.02 a 431.20 c 374.98 e 716.00 1182.81 b 816.50 j 1326.00 1365.00 1014.83 a 853.00 465.00 233.00 8070.84
1963 118.00 252.00 b 556.40 b 895.86 a 1071.71 c 933.00 g 1393.45 a 1346.50 211.50 y 0.00 z 0.00 z 0.00 z 5633.92
1964 0.00 z 0.00 z 0.00 z 0.00 z 835.00 g 1223.00 1397.50 1359.50 1056.00 798.50 492.50 307.00 6634.00
1965 327.00 209.50 344.50 632.50 h 995.50 1172.00 1349.00 1255.00 1098.50 798.00 624.50 374.50 8548.00
1966 151.50 192.50 594.50 715.00 978.00 1164.50 1397.50 1179.50 1022.00 733.50 624.00 224.50 8977.00
1967 294.50 269.50 763.50 942.50 1047.50 1234.50 1314.00 1236.50 964.00 836.50 487.50 206.00 9596.50
1968 232.50 229.50 474.50 702.00 1031.50 1177.50 1261.50 1288.00 1036.00 921.50 402.00 242.50 8999.00
1969 364.50 305.50 319.00 800.50 983.00 1220.00 1463.00 1357.50 1056.00 717.50 413.00 348.00 9347.50
1970 225.00 294.50 408.00 786.50 991.50 1173.50 1371.00 1347.00 1058.28 a 700.37 d 421.50 407.50 9184.65
1971 240.50 225.50 463.00 704.50 937.50 1187.00 1307.50 1090.00 962.00 747.50 419.00 256.50 8540.50
1972 229.00 278.50 615.00 822.00 956.00 1168.50 1230.50 1168.50 1042.00 726.50 216.50 166.00 8619.00
1973 109.00 124.50 454.50 507.00 916.00 1094.50 1238.50 1262.00 963.50 814.50 503.00 230.00 8217.00
1974 177.00 242.00 659.00 723.50 1087.50 1166.00 1309.00 1163.00 769.00 0.00 z 353.50 153.50 7803.00
1975 174.00 169.50 409.50 638.50 921.00 1157.50 1168.50 1214.00 848.79 a 767.50 441.50 190.00 8100.29
1976 157.00 435.00 494.00 718.00 844.50 1158.00 1119.62 a 1245.50 964.50 504.27 a 269.50 146.14 c 8056.03
1977 47.05 c 261.85 a 0.00 z 664.00 1051.00 1201.50 1298.00 1344.50 1225.50 803.00 417.22 c 282.10 a 8595.73
1978 71.82 a 57.56 a 8.00 z 915.50 1059.50 1198.45 a 1396.00 1265.00 1023.50 493.00 l 158.00 p 185.47 b 7172.79
1979 75.00 184.50 467.50 753.60 e 978.16 c 1145.50 1325.00 1220.50 1057.50 902.00 299.40 e 220.00 8628.66
1980 135.00 f 278.00 460.00 668.50 986.00 1282.50 b 1481.00 1326.91 c 1066.50 738.00 370.50 278.45 c 8936.36
1981 155.52 a 292.50 388.02 a 788.00 962.72 d 1160.50 1356.00 1259.50 894.50 f 732.00 497.59 a 339.93 b 7932.27
1982 203.00 203.00 552.50 672.00 970.50 1072.76 a 0.00 z 1355.00 1125.50 770.00 411.50 184.45 a 7520.21
1983 56.00 l 216.50 449.50 590.00 986.00 1101.00 1337.50 0.00 z 1123.50 856.50 484.50 123.00 7268.00
1984 0.00 z 0.00 z 443.50 699.50 1060.00 1239.00 1317.50 1030.00 g 1036.50 666.50 383.50 272.50 7118.50
1985 91.00 187.50 535.00 783.50 1072.00 1099.50 1279.50 1381.50 1052.00 746.50 467.50 159.50 8855.00
1986 0.00 z 319.50 j 607.00 889.50 1040.00 1121.50 1350.00 1245.50 1081.00 721.30 c 374.46 b 151.00 8581.27
1987 170.00 252.00 342.60 b 619.00 953.00 1093.50 1262.50 1334.55 a 990.00 826.50 395.00 234.64 b 8473.29
1988 125.00 226.50 484.38 c 711.00 954.00 1176.50 1275.00 1284.00 1057.50 786.00 489.00 190.00 8758.88
1989 235.00 195.50 529.00 797.50 1105.00 1100.50 1325.00 890.00 k 982.00 822.50 445.50 118.50 7656.00
1990 236.50 325.00 471.00 695.00 977.50 1378.00 1201.00 1221.50 1067.00 731.50 497.50 201.50 9003.00
1991 84.50 307.50 556.00 787.50 1104.50 1175.50 1264.50 1201.00 922.50 816.00 271.00 188.50 8679.00
1992 140.00 329.00 559.50 746.00 871.00 1107.50 1304.50 1184.00 1074.00 849.00 0.00 z 228.50 8393.00
1993 143.50 213.50 431.50 704.00 967.50 1185.50 1393.50 1368.00 985.50 729.50 302.50 236.50 8661.00
1994 190.00 221.00 525.00 720.50 944.50 1313.50 1395.00 1331.00 1027.00 837.50 449.00 256.00 9210.00
1995 218.00 329.50 462.00 686.00 910.50 1092.50 1257.50 1301.00 1031.50 835.50 453.00 234.50 8811.50
1996 210.00 395.50 366.50 0.00 z 1262.00 1272.00 1386.50 1263.00 0.00 z 783.50 416.50 309.00 7664.50
1997 227.50 188.50 550.50 529.00 926.50 1098.50 1362.50 1324.00 1156.50 820.00 339.50 138.50 8661.50
1998 290.50 274.00 418.00 679.50 1225.00 1369.50 1501.00 1299.00 1204.50 903.00 505.50 229.00 9898.50
1999 276.50 417.50 467.00 771.00 1003.50 1180.00 1362.97 a 1415.31 b 1077.93 a 799.50 580.86 a 219.50 9571.57
2000 302.00 444.00 590.50 783.10 a 1203.50 1146.00 0.00 z 1411.03 b 1181.00 792.00 235.86 a 116.52 b 8205.52
2001 108.50 271.00 378.50 808.50 1107.50 1311.00 1486.97 a 1349.50 1079.00 838.50 0.00 z 235.60 a 8974.57
2002 245.50 187.00 420.00 818.00 1073.00 1237.50 1302.50 0.00 z 1096.00 702.50 0.00 z 193.00 7275.00
2003 181.50 242.50 530.00 820.50 1098.00 1146.00 1367.00 1375.00 0.00 z 0.00 z 470.00 269.00 7499.50
2004 256.50 209.50 602.00 712.50 1111.00 1222.50 1293.50 1225.00 1035.00 816.50 359.00 224.00 9067.00
2005 287.50 228.00 445.00 701.00 949.00 1251.00 1319.50 1222.00 1182.50 789.00 486.50 224.00 9085.00
2006 354.50 273.00 552.50 886.00 1136.00 0.00 z 1108.00 f 0.00 z 0.00 z 0.00 z 500.50 201.50 3904.00
2007 85.50 250.50 603.47 a 624.00 0.00 z 1105.50 1196.50 1261.50 1109.50 921.50 466.00 241.50 7865.47
2008 197.00 327.50 512.50 751.00 1071.00 1325.50 1301.00 1237.50 957.00 779.50 443.00 244.50 9147.00
2009 210.50 0.00 z 586.00 726.00 1010.50 1239.50 1334.50 1354.00 992.00 697.50 496.50 128.00 8775.00
2010 173.50 101.50 434.50 701.00 964.00 1335.50 1250.00 1384.00 1105.00 827.00 453.00 270.50 8999.50
2011 149.00 336.00 b 651.50 927.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2063.50
Period of Record Statistics
MEAN 196.77 263.06 489.61 737.80 1020.80 1199.17 1324.46 1294.95 1054.05 788.13 416.56 227.80 8972.30
S.D. 82.68 81.67 95.81 93.45 86.08 81.74 77.35 75.27 81.14 76.13 91.85 63.80 430.93
SKEW 0.43 0.29 0.09 0.18 0.51 0.64 -0.12 -0.18 -0.68 -0.64 -0.20 0.36 -0.15
MAX 388.00 444.00 763.50 942.50 1262.00 1407.41 1501.00 1490.00 1225.50 950.50 624.50 407.50 9898.50
MIN 47.05 57.56 229.40 507.00 844.50 1072.76 1119.62 1090.00 769.00 504.27 216.50 114.00 8056.03
NO YRS 59 60 60 61 60 57 60 57 58 58 57 62 35