BIG SPRING, TEXAS

Monthly Total Growing Degree Days

(410786)

Base Temperature = 50 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 20.00 66.50 181.98 d 624.50 764.50 987.50 990.50 1017.00 740.00 433.00 99.50 97.00 6021.98
1949 13.50 66.50 215.50 334.00 714.00 878.00 1040.00 937.50 738.00 420.50 228.00 55.00 5640.50
1950 131.50 161.00 237.00 437.50 690.50 871.00 944.00 941.00 719.00 640.50 210.50 40.00 6023.50
1951 30.50 147.50 216.00 387.50 743.50 951.00 1089.00 1064.50 813.00 548.50 124.00 112.50 6227.50
1952 149.00 99.50 189.50 413.50 709.00 1013.00 1014.50 1180.00 752.50 455.00 162.00 23.00 6160.50
1953 133.50 61.00 353.00 411.00 722.00 1107.41 a 1087.50 1011.50 853.50 502.00 82.50 g 29.50 6271.91
1954 68.00 157.50 235.50 563.00 558.52 a 902.00 1076.00 1044.00 871.50 519.25 a 162.00 76.47 a 6233.73
1955 44.95 a 60.00 309.50 538.00 733.50 894.50 989.00 952.00 795.00 528.00 195.50 79.00 6118.95
1956 50.50 98.91 a 270.73 a 390.00 d 837.00 1029.31 a 1053.00 1031.00 842.00 580.50 118.50 87.00 6388.45
1957 67.54 c 152.96 a 209.50 373.00 598.50 812.00 1083.00 1033.16 b 711.43 b 387.00 58.45 a 67.00 5553.53
1958 2.50 35.78 a 45.98 a 361.11 c 703.00 0.00 z 1073.50 1028.88 b 776.50 403.50 179.50 30.50 4640.75
1959 22.06 e 83.00 182.12 c 394.82 b 401.00 n 653.50 i 897.00 721.00 i 827.00 401.00 81.00 33.00 2921.00
1960 46.50 d 37.12 d 150.50 486.11 c 676.50 687.50 i 981.27 e 1022.00 818.50 562.00 192.00 25.50 4998.00
1961 7.50 81.50 112.50 l 433.00 738.00 825.00 879.22 b 898.00 717.00 492.50 103.00 39.50 5214.22
1962 4.65 a 196.00 c 153.21 e 420.50 872.81 b 616.50 j 1016.00 1055.00 714.83 a 543.00 201.00 59.00 5236.00
1963 10.50 68.38 b 277.40 b 605.17 a 761.71 c 703.00 g 1083.45 a 1036.50 161.50 y 0.00 z 0.00 z 0.00 z 3843.12
1964 0.00 z 0.00 z 0.00 z 0.00 z 595.00 g 923.00 1087.50 1049.50 756.00 488.50 238.50 101.50 4644.50
1965 85.50 54.50 138.50 412.50 h 685.50 872.00 1039.00 945.00 798.50 488.00 334.50 122.50 5563.50
1966 36.00 31.00 311.50 415.00 672.00 864.50 1087.50 869.50 722.00 423.50 333.00 70.50 5836.00
1967 98.50 58.50 465.00 642.50 737.50 934.50 1004.00 926.50 664.00 533.00 212.00 48.50 6324.50
1968 76.50 51.00 219.50 402.00 721.50 877.50 951.50 978.00 736.00 611.50 168.00 31.50 5824.50
1969 130.00 82.00 115.00 500.50 673.00 920.00 1153.00 1047.50 756.00 424.50 167.50 100.00 6069.00
1970 65.50 77.50 151.00 489.00 681.50 873.50 1061.00 1037.00 758.28 a 406.44 d 179.50 144.50 5924.72
1971 58.00 63.00 203.50 410.00 627.50 887.00 997.50 780.00 663.50 437.50 161.50 73.00 5362.00
1972 63.00 98.00 332.00 527.00 646.00 868.50 920.50 858.50 742.00 437.50 67.00 17.50 5577.50
1973 18.00 18.50 154.00 240.00 606.50 794.50 928.50 952.00 663.50 504.50 223.00 54.50 5157.50
1974 37.00 51.50 373.50 423.50 777.50 866.00 999.00 853.00 469.00 0.00 z 104.50 20.00 4974.50
1975 35.00 23.50 166.50 346.00 611.00 857.50 858.50 904.00 549.31 a 459.50 207.00 39.00 5056.81
1976 26.50 200.00 228.50 418.00 534.50 858.00 809.62 a 935.50 664.50 224.23 a 80.00 13.29 c 4992.64
1977 0.00 c 80.89 a 0.00 z 364.00 741.00 901.50 988.00 1034.50 925.50 493.00 148.89 c 74.92 a 5752.19
1978 10.85 a 6.74 a 0.00 z 621.00 753.00 898.45 a 1086.00 955.00 723.50 303.00 l 46.00 p 50.78 b 5105.31
1979 14.00 52.50 194.00 453.60 e 668.16 c 845.50 1015.00 910.50 757.50 592.00 90.00 e 50.00 5642.76
1980 30.00 f 103.00 191.50 379.00 676.00 982.50 b 1171.00 1016.91 c 766.50 443.00 184.00 74.18 c 5987.59
1981 14.98 a 106.50 119.87 a 490.50 652.72 d 860.50 1046.00 949.50 654.50 f 428.50 213.10 a 85.52 b 4967.69
1982 48.00 70.50 266.50 383.50 660.50 772.76 a 0.00 z 1045.00 825.50 460.00 197.00 43.92 a 4773.18
1983 0.00 l 38.50 176.50 333.00 676.00 801.00 1027.50 0.00 z 823.50 546.50 232.00 26.00 4680.50
1984 0.00 z 0.00 z 186.50 399.50 750.00 939.00 1007.50 790.00 g 736.50 366.00 150.00 79.50 4614.50
1985 4.00 36.50 237.00 483.50 762.00 799.50 969.50 1071.50 752.00 440.50 200.50 21.00 5777.50
1986 0.00 z 169.50 j 303.50 589.50 730.00 821.50 1040.00 935.50 781.00 421.82 c 137.14 b 20.00 5779.96
1987 29.00 82.50 122.93 b 343.50 643.00 793.50 952.50 1024.55 a 690.00 516.50 183.00 70.02 b 5451.00
1988 31.00 61.50 242.46 c 414.00 644.00 876.50 965.00 974.00 757.50 476.00 245.00 22.50 5709.46
1989 49.50 62.00 285.50 505.50 795.00 800.50 1015.00 690.00 k 682.00 524.50 199.50 14.50 4933.50
1990 49.50 109.50 224.00 405.50 670.00 1078.00 891.00 911.50 767.00 424.00 241.00 37.50 5808.50
1991 0.50 84.00 258.00 487.50 794.50 875.50 954.50 891.00 627.50 523.00 80.50 35.50 5612.00
1992 5.00 100.00 268.50 456.00 561.00 807.50 994.50 874.00 774.00 539.00 0.00 z 64.00 5443.50
1993 16.00 46.50 177.50 408.50 657.50 885.50 1083.50 1058.00 685.50 437.50 98.50 48.50 5603.00
1994 26.50 60.00 258.50 431.50 634.50 1013.50 1085.00 1021.00 727.00 529.00 185.50 59.00 6031.00
1995 54.00 124.50 222.50 394.50 600.50 792.50 947.50 991.00 731.50 525.50 203.50 86.00 5673.50
1996 40.50 193.50 159.00 0.00 z 952.00 972.00 1076.50 953.00 0.00 z 474.50 179.50 106.00 5106.50
1997 88.50 52.50 260.00 267.50 616.50 798.50 1052.50 1014.00 856.50 515.00 120.50 20.00 5662.00
1998 68.00 65.00 198.50 379.50 915.00 1069.50 1191.00 989.00 904.50 593.00 226.00 61.50 6660.50
1999 85.50 176.00 185.00 475.50 693.50 880.00 1052.97 a 1105.31 b 777.93 a 500.00 302.59 a 51.50 6285.79
2000 106.00 204.00 296.00 488.79 a 893.50 846.00 0.00 z 1101.03 b 881.00 502.50 65.17 a 21.91 b 5405.91
2001 5.50 96.00 135.50 510.00 797.50 1011.00 1176.97 a 1039.50 779.00 528.50 0.00 z 54.77 a 6134.23
2002 79.00 56.50 193.00 522.50 763.00 937.50 992.50 0.00 z 796.00 403.50 0.00 z 37.50 4781.00
2003 24.00 81.50 243.50 521.00 788.00 846.00 1057.00 1065.00 0.00 z 0.00 z 239.50 72.00 4937.50
2004 64.50 50.00 305.50 419.50 801.00 922.50 983.50 915.00 735.00 506.50 113.50 56.00 5872.50
2005 101.00 68.50 168.00 401.00 644.50 951.00 1009.50 912.00 882.50 482.50 237.50 69.50 5927.50
2006 118.00 78.00 286.00 586.00 826.00 0.00 z 858.00 f 0.00 z 0.00 z 0.00 z 224.00 56.00 2174.00
2007 19.00 92.00 325.50 a 355.00 0.00 z 805.50 886.50 951.50 809.50 612.00 233.00 76.50 5166.00
2008 59.00 110.50 250.00 451.00 761.00 1025.50 991.00 927.50 657.00 469.50 180.00 64.50 5946.50
2009 55.00 0.00 z 343.00 431.00 700.50 939.50 1024.50 1044.00 692.00 399.00 229.00 19.50 5877.00
2010 43.50 18.50 171.00 401.00 654.00 1035.50 940.00 1074.00 805.00 517.00 196.50 95.50 5951.50
2011 13.50 164.23 b 349.00 627.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1153.73
Period of Record Statistics
MEAN 48.40 85.24 228.16 445.35 711.21 899.17 1014.46 984.95 754.17 483.53 177.66 56.71 5831.68
S.D. 37.99 48.01 75.15 86.99 85.97 81.74 77.35 75.27 80.94 71.45 63.54 29.58 371.12
SKEW 0.83 0.95 0.47 0.41 0.51 0.64 -0.12 -0.18 -0.67 -0.52 0.09 0.60 -0.25
MAX 149.00 204.00 465.00 642.50 952.00 1107.41 1191.00 1180.00 925.50 640.50 334.50 144.50 6660.50
MIN 0.00 6.74 45.98 240.00 534.50 772.76 809.62 780.00 469.00 224.23 58.45 13.29 4992.64
NO YRS 59 60 60 61 60 57 60 57 58 58 57 62 35