DRYDEN, TEXAS

Monthly Total Growing Degree Days

(412590)

Base Temperature = 40 F

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 199410
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
1966 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1163.79 a 1406.50 1291.00 1107.00 743.50 538.00 272.50 6522.29
1967 252.50 316.50 738.00 1013.28 a 1116.50 1312.50 1349.50 1217.50 1003.00 801.50 549.00 196.00 9865.78
1968 253.50 249.50 478.00 792.50 1108.50 1275.00 1263.50 1329.00 1007.50 915.50 437.00 221.00 9330.50
1969 348.50 332.00 410.00 871.50 1053.00 1293.00 1456.00 1393.00 1144.00 813.50 435.50 389.00 9939.00
1970 206.50 309.00 451.00 873.00 1004.50 1172.00 1321.00 1336.50 1090.50 684.50 408.00 403.50 9260.00
1971 413.00 336.50 615.50 773.50 1104.00 1191.00 1282.00 1144.00 1063.50 856.50 531.50 329.00 9640.00
1972 398.00 378.50 757.50 986.50 1056.50 1241.00 1284.50 1219.00 1169.50 859.50 362.00 242.50 9955.00
1973 168.00 232.50 639.00 734.50 1048.32 a 1217.50 1294.50 1263.50 1113.50 859.00 611.00 316.64 c 9497.96
1974 281.00 322.00 795.00 868.50 1167.00 1253.00 1342.50 1264.00 902.00 806.50 422.00 225.00 9648.50
1975 276.00 299.00 558.00 762.50 1072.00 1215.50 1205.50 1264.00 978.00 805.50 497.07 a 296.50 9229.57
1976 237.84 b 486.50 622.14 b 845.00 938.50 1251.00 1160.50 1242.00 1064.50 608.50 332.50 192.00 8980.98
1977 154.50 318.50 559.15 d 783.00 1140.00 1260.50 1364.00 1455.50 1285.50 895.00 549.83 a 399.00 9999.00
1978 144.50 162.00 577.50 954.50 1187.00 1252.00 1406.50 1295.50 1023.00 745.55 a 338.00 g 211.50 8959.55
1979 99.50 239.00 567.50 839.50 1006.00 1098.00 1358.00 1258.50 1067.00 897.00 359.00 247.50 9036.50
1980 273.50 287.00 584.50 776.00 1119.00 1356.00 1449.00 1259.12 a 1101.50 719.20 a 355.50 260.50 9540.82
1981 252.50 291.00 492.00 828.00 1025.00 1170.50 1316.47 a 1217.78 a 1081.50 811.50 495.00 303.00 9284.25
1982 249.00 260.00 668.50 870.00 1039.00 1272.50 1362.50 1374.00 1138.50 777.50 399.50 201.00 9612.00
1983 176.00 260.00 542.00 746.50 1110.00 1201.00 1385.50 1348.50 1152.00 891.50 601.50 201.00 9615.50
1984 177.73 a 328.50 599.00 835.50 1139.50 1235.50 1322.00 1336.00 1032.50 781.50 387.00 355.50 9530.23
1985 139.50 238.50 607.00 849.00 1175.00 1203.00 1279.50 1355.00 1143.50 571.00 k 620.50 193.50 8804.00
1986 284.00 447.50 682.50 995.00 1128.50 0.00 z 1332.00 890.50 j 1190.69 a 797.00 447.50 0.00 z 7304.69
1987 185.50 f 289.00 439.34 b 701.00 1063.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2492.34
1988 0.00 z 0.00 z 0.00 z 534.00 k 1014.50 1199.50 1322.50 1327.50 1111.50 850.00 317.00 i 303.59 b 7129.09
1989 335.32 a 260.08 b 0.00 z 288.50 v 1252.40 a 1245.54 b 1378.00 1364.00 1116.50 826.00 526.00 167.50 8471.33
1990 301.39 d 380.00 591.07 a 814.14 a 825.00 i 1410.50 1265.50 1241.50 1071.50 750.50 564.50 274.50 8665.09
1991 171.00 375.50 677.00 903.00 1196.50 1277.00 1325.50 1356.00 992.50 851.50 325.50 267.78 b 9718.78
1992 218.00 391.50 636.50 794.50 970.00 1256.50 1349.00 1277.50 1161.43 b 923.00 412.00 291.52 e 9681.45
1993 272.50 372.50 644.00 848.00 1119.50 1275.50 1428.50 1453.38 a 1077.50 844.50 254.00 h 0.00 z 9335.88
1994 0.00 z 0.00 z 0.00 z 0.00 z 1109.00 1354.00 1361.50 1334.00 1091.00 885.00 0.00 z 0.00 z 7134.50
Period of Record Statistics
MEAN 243.35 313.95 597.27 842.34 1091.21 1246.40 1334.71 1304.34 1088.59 814.82 465.29 270.44 9554.28
S.D. 79.77 71.15 96.61 81.28 73.35 65.64 67.36 72.98 75.98 73.64 92.02 68.20 312.66
SKEW 0.31 0.38 -0.02 0.53 -0.01 0.31 -0.44 0.15 0.00 -0.82 0.15 0.48 -0.04
MAX 413.00 486.50 795.00 1013.28 1252.40 1410.50 1456.00 1455.50 1285.50 923.00 620.50 403.50 10164.48
MIN 99.50 162.00 410.00 701.00 938.50 1098.00 1160.50 1144.00 902.00 608.50 325.50 167.50 8980.98
NO YRS 25 26 25 25 27 27 28 27 28 27 24 25 19