RED ROCK, TEXAS

Monthly Total Growing Degree Days

(417497)

Base Temperature = 40 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 516.50 q 1206.50 1340.50 1344.00 1190.50 780.50 712.50 415.50 6990.00
1966 194.00 243.00 573.00 844.00 1026.00 1166.00 1340.50 1324.00 1124.00 844.00 711.00 366.50 9756.00
1967 343.50 296.00 787.50 1069.00 1089.50 1280.50 1380.50 1307.00 1057.00 861.00 596.00 325.00 9999.00
1968 256.50 253.50 526.50 817.50 1056.00 1157.50 1262.00 1329.90 a 1051.50 974.50 0.00 z 392.50 9077.90
1969 402.00 354.00 411.50 829.00 987.00 1193.50 1418.50 1382.00 1128.00 893.50 509.50 465.00 9973.50
1970 186.50 348.50 460.50 853.00 954.50 1154.50 1325.00 1379.50 1137.00 816.00 497.50 603.00 9715.50
1971 483.00 424.50 648.50 804.50 1062.50 1254.50 1384.50 1242.00 1141.50 975.50 604.66 a 515.50 9999.00
1972 364.50 424.00 767.00 947.00 1013.50 1199.50 1285.00 1306.50 1263.50 932.00 375.50 241.00 9999.00
1973 237.00 303.50 727.50 691.00 1011.50 1150.50 1338.00 1290.00 1156.50 975.98 a 763.50 408.50 9999.00
1974 298.00 448.00 827.50 841.50 1156.50 1168.50 1354.50 1283.00 958.50 885.50 517.00 314.00 9999.00
1975 453.50 351.50 483.00 f 831.00 1045.00 1204.50 1283.50 1298.00 1045.50 911.00 623.00 364.00 9410.50
1976 329.50 605.50 675.00 836.00 921.50 1162.50 1247.00 1328.50 1125.50 670.00 386.50 270.70 c 9558.20
1977 141.05 a 383.70 a 684.00 789.00 1088.00 1245.52 a 1383.50 1435.50 1304.00 994.50 650.00 411.55 b 9999.00
1978 149.50 157.00 565.23 a 864.00 1166.50 1243.00 1448.50 1355.50 1153.00 914.00 638.50 336.50 9991.23
1979 0.00 z 0.00 z 698.07 d 826.00 785.50 f 1178.50 1309.50 1294.00 1059.50 1020.00 461.00 346.50 8193.07
1980 348.00 351.50 581.50 722.50 1066.50 1301.50 1464.00 1399.00 1242.00 869.11 c 495.50 408.00 9999.00
1981 287.50 413.54 b 602.50 936.00 1023.50 1178.50 1307.00 1343.00 1084.50 894.35 a 610.00 346.68 a 9999.00
1982 289.50 233.00 693.07 c 675.50 902.50 1183.00 1426.50 1430.50 1170.50 856.00 591.11 c 362.04 c 9813.22
1983 179.50 247.00 491.50 659.50 1007.50 1146.50 1320.00 1350.00 1120.00 920.50 666.00 241.00 9349.00
1984 205.50 390.00 685.50 882.50 1098.50 1260.00 1372.00 1374.50 1087.00 912.50 532.50 568.50 9999.00
1985 144.00 288.50 717.50 851.50 1071.50 1204.00 1330.00 1440.50 1172.68 b 925.87 a 638.00 209.50 9993.54
1986 341.50 444.64 c 681.00 750.00 f 991.50 1203.00 1380.50 1348.00 1208.50 807.50 492.00 246.00 9144.14
1987 225.00 338.00 459.50 706.00 1047.00 1123.50 1279.50 1371.00 1072.00 821.00 528.00 349.50 9320.00
1988 161.50 298.00 595.95 b 739.00 956.00 1117.00 1341.50 1394.50 1166.00 899.00 636.00 359.50 9663.95
1989 386.00 296.50 581.00 800.69 a 1107.00 1153.50 1325.50 1305.00 1048.00 887.50 581.00 156.00 9627.69
1990 404.00 454.50 592.00 762.00 1101.50 1316.00 1264.50 1345.50 1153.00 792.00 620.50 341.50 9999.00
1991 164.50 342.00 608.50 853.50 1046.50 1167.50 1242.00 1314.50 1032.50 925.50 417.50 342.00 9456.50
1992 237.50 409.50 625.50 747.50 928.00 1141.00 1283.00 1189.00 1130.50 840.50 425.50 346.00 9303.50
1993 203.50 280.00 532.00 698.50 919.00 1161.50 1345.00 1378.00 1138.50 824.50 375.50 384.50 9240.50
1994 277.50 336.00 611.50 766.50 956.00 1215.00 1367.00 1265.00 1003.50 907.00 701.50 392.00 9798.50
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 861.50 1277.00 1281.00 1431.00 1353.00 1114.00 926.00 611.00 470.00 9324.50
1997 351.00 369.00 734.50 682.50 1018.50 1164.00 1345.50 1367.50 1200.50 912.50 458.50 297.00 9901.00
1998 530.50 390.50 595.50 744.50 1222.00 1401.00 1480.50 1360.50 1214.00 961.00 682.50 418.00 9999.00
1999 533.00 578.50 143.50 x 632.00 j 1121.96 e 1260.00 e 1298.90 a 1434.50 1166.50 887.00 658.45 a 381.30 a 9320.11
2000 496.52 a 598.00 782.00 821.00 1169.50 377.00 t 601.00 r 1386.45 b 1187.50 923.80 a 478.97 a 126.00 m 7843.73
Period of Record Statistics
MEAN 300.14 364.11 629.75 804.79 1048.77 1204.21 1344.26 1344.27 1131.63 889.75 566.06 364.55 9923.09
S.D. 117.51 102.79 102.62 88.22 88.22 62.09 61.59 55.64 74.11 69.28 105.58 93.55 425.43
SKEW 0.45 0.64 -0.13 0.61 0.49 1.14 0.40 -0.44 -0.03 -0.78 -0.21 0.32 0.40
MAX 533.00 605.50 827.50 1069.00 1277.00 1401.00 1480.50 1440.50 1304.00 1020.00 763.50 603.00 11000.50
MIN 141.05 157.00 411.50 659.50 902.50 1117.00 1242.00 1189.00 958.50 670.00 375.50 156.00 9240.50
NO YRS 32 32 31 32 33 34 34 35 35 35 34 34 27