RED ROCK, TEXAS

Monthly Total Growing Degree Days

(417497)

Base Temperature = 50 F

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 200012
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
1965 0.00 z 0.00 z 0.00 z 0.00 z 376.50 q 906.50 1030.50 1034.00 890.50 470.50 415.50 135.50 4883.00
1966 54.50 67.00 292.50 544.00 716.00 866.00 1030.50 1014.00 824.00 534.50 423.50 152.00 6518.50
1967 144.50 98.00 490.00 769.00 779.50 980.50 1070.50 997.00 757.00 552.50 308.00 122.00 7068.50
1968 95.50 68.00 271.00 517.50 746.00 857.50 952.00 1019.90 a 751.50 664.50 0.00 z 139.00 6082.40
1969 188.00 123.50 167.00 529.00 677.00 893.50 1108.50 1072.00 828.00 583.50 258.50 184.00 6612.50
1970 59.00 121.00 198.50 553.00 644.50 854.50 1015.00 1069.50 837.00 507.50 248.00 316.50 6424.00
1971 239.00 204.50 373.50 507.50 752.50 954.50 1074.50 932.00 841.50 665.50 317.07 a 247.00 7109.07
1972 159.00 198.00 459.50 647.00 703.50 899.50 975.00 996.50 963.50 622.00 161.00 75.00 6859.50
1973 72.00 111.00 417.50 401.00 701.50 850.50 1028.00 980.00 856.50 665.98 a 465.50 156.00 6705.48
1974 116.50 218.00 535.50 543.00 846.50 868.50 1044.50 973.00 658.50 575.50 240.50 109.00 6729.00
1975 213.50 126.00 255.00 f 531.00 735.00 904.50 973.50 988.00 745.50 601.00 371.50 155.00 6344.50
1976 125.50 347.00 384.00 536.00 611.50 862.50 937.00 1018.50 825.50 371.00 168.00 54.25 c 6240.75
1977 29.97 a 158.67 a 377.50 489.00 778.00 945.52 a 1073.50 1125.50 1004.00 684.50 361.50 173.71 b 7201.36
1978 65.00 48.50 287.78 a 564.00 856.50 943.00 1138.50 1045.50 853.00 604.00 348.50 127.50 6881.78
1979 0.00 z 0.00 z 393.81 d 526.00 535.50 f 878.50 999.50 984.00 759.50 710.00 200.00 116.00 5567.31
1980 126.50 142.50 300.50 435.50 756.50 1001.50 1154.00 1089.00 942.00 562.98 c 255.00 176.50 6942.48
1981 68.50 203.54 b 294.00 636.00 713.50 878.50 997.00 1033.00 784.50 585.90 a 321.00 126.58 a 6642.02
1982 101.00 92.00 398.57 c 384.00 592.50 883.00 1116.50 1120.50 870.50 546.00 320.56 c 153.89 c 6579.02
1983 26.50 56.00 206.50 368.00 697.50 846.50 1010.00 1040.00 820.00 610.50 378.50 96.50 6156.50
1984 52.00 150.00 397.50 582.50 788.50 960.00 1062.00 1064.50 787.00 602.50 273.00 305.50 7025.00
1985 21.00 120.50 407.50 551.50 761.50 904.00 1020.00 1130.50 872.68 b 615.87 a 353.50 55.50 6814.05
1986 112.00 226.80 c 372.00 510.00 f 681.50 903.00 1070.50 1038.00 908.50 501.00 246.50 52.00 6111.80
1987 60.00 118.50 187.50 423.00 737.00 823.50 969.50 1061.00 772.00 511.00 265.00 150.00 6078.00
1988 52.50 114.00 319.62 b 444.50 646.00 817.00 1031.50 1084.50 866.00 589.00 365.50 137.50 6467.62
1989 142.00 129.00 334.50 503.28 a 797.00 853.50 1015.50 995.00 748.00 586.50 303.50 38.50 6446.28
1990 166.50 192.00 316.00 467.50 791.50 1016.00 954.50 1035.50 853.00 488.50 340.50 144.00 6765.50
1991 23.00 115.50 304.00 553.50 736.50 867.50 932.00 1004.50 732.50 617.50 215.00 135.50 6237.00
1992 39.50 163.00 333.00 452.50 618.00 841.00 973.00 879.00 830.50 530.50 194.00 114.00 5968.00
1993 40.00 75.00 256.50 398.50 609.00 861.50 1035.00 1068.00 838.50 530.50 145.00 154.50 6012.00
1994 78.50 152.50 321.00 469.50 646.00 915.00 1057.00 955.00 703.50 597.00 401.50 150.00 6446.50
1995 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
1996 0.00 z 0.00 z 0.00 z 561.50 967.00 981.00 1121.00 1043.00 814.00 616.00 339.00 220.50 6663.00
1997 175.00 146.50 426.00 386.50 708.50 864.00 1035.50 1057.50 900.50 605.00 200.00 81.50 6586.50
1998 234.50 122.00 323.00 444.50 912.00 1101.00 1170.50 1050.50 914.00 651.00 388.50 175.00 7486.50
1999 271.50 308.00 73.50 x 432.00 j 811.96 e 960.00 e 988.90 a 1124.50 866.50 577.00 369.31 a 140.02 a 6417.69
2000 238.18 a 327.00 480.50 521.00 859.50 277.00 t 471.00 r 1076.45 b 887.50 626.20 a 231.21 a 18.50 m 5247.54
Period of Record Statistics
MEAN 112.21 151.36 342.78 507.51 738.77 904.21 1034.26 1034.27 831.63 581.80 299.80 143.23 6629.76
S.D. 72.72 73.93 89.82 85.48 88.22 62.09 61.59 55.64 74.11 67.63 82.87 62.28 378.66
SKEW 0.62 1.11 0.01 0.70 0.49 1.14 0.40 -0.44 -0.03 -0.74 -0.09 0.91 0.14
MAX 271.50 347.00 535.50 769.00 967.00 1101.00 1170.50 1130.50 1004.00 710.00 465.50 316.50 7486.50
MIN 21.00 48.50 167.00 368.00 592.50 817.00 932.00 879.00 658.50 371.00 145.00 38.50 5968.00
NO YRS 32 32 31 32 33 34 34 35 35 35 34 34 27