MONAHANS, TEXAS

Monthly Total Growing Degree Days

(415999)

Base Temperature = 40 F

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 200901
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
1959 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 588.50 p 1220.50 1299.62 e 1113.62 a 785.00 312.50 247.50 4978.74
1960 198.00 196.50 473.50 788.50 1007.50 1274.50 1278.00 1283.50 1068.00 873.50 483.00 109.00 9033.50
1961 109.50 303.50 543.00 745.50 1060.00 1169.48 a 1215.50 1224.00 1072.50 816.50 293.00 219.00 8771.48
1962 130.50 460.00 452.50 816.50 1147.00 1193.00 1304.50 1306.00 1065.00 837.00 470.00 250.50 9432.50
1963 175.00 327.50 618.50 909.00 1110.50 1211.00 1346.50 1287.00 1088.50 902.00 451.50 123.00 9550.00
1964 183.00 156.50 526.50 796.50 1103.50 1223.00 1363.00 1350.50 1049.00 763.50 463.00 292.00 9270.00
1965 302.50 222.00 406.50 867.00 1048.00 1198.00 1314.50 1237.50 1088.00 766.50 582.50 356.00 9389.00
1966 113.50 193.50 613.00 743.50 1004.00 1170.00 1379.50 1254.00 1060.50 678.50 564.50 194.00 8968.50
1967 242.50 305.50 725.50 931.50 1011.00 1243.00 1306.00 1207.00 989.00 796.00 486.00 178.00 9421.00
1968 232.50 271.00 508.00 717.50 1048.00 1196.50 1224.00 1239.00 980.50 837.50 368.50 218.00 8841.00
1969 362.00 322.50 350.00 815.00 1015.00 1195.00 1394.00 1334.00 1085.50 749.00 396.50 305.00 9323.50
1970 229.50 297.00 0.00 z 0.00 z 896.00 962.00 570.00 o 1218.50 895.86 a 524.50 338.57 b 260.00 5621.93
1971 365.44 e 339.00 612.50 802.50 1113.50 1262.50 1374.00 1213.50 1081.03 a 849.00 486.00 340.00 9838.98
1972 280.50 374.50 742.00 894.50 1022.00 1237.00 1311.00 1260.50 1122.93 a 839.50 291.96 b 0.00 z 9376.39
1973 95.00 p 195.44 c 537.50 658.45 a 0.00 z 0.00 z 0.00 z 0.00 z 188.50 x 888.50 532.50 0.00 z 2812.39
1974 268.00 286.50 743.00 790.00 1147.50 124.00 z 1352.50 1259.50 840.50 761.00 418.00 164.82 a 8031.32
1975 220.50 275.33 a 475.00 705.50 971.50 1231.50 1230.50 1301.00 929.48 a 661.50 g 488.65 d 255.50 8084.47
1976 114.50 k 416.04 c 586.23 c 822.50 678.50 i 1239.31 a 1179.00 1293.00 991.00 575.00 268.50 123.50 7494.08
1977 67.00 270.00 491.50 745.50 1114.00 1268.50 1376.50 1435.50 1279.50 855.50 492.00 321.50 9717.00
1978 114.00 168.00 606.00 916.50 1115.00 1269.00 1424.97 a 1300.00 1030.56 c 799.44 e 463.93 b 0.00 z 9207.39
1979 105.50 j 250.32 c 559.00 810.50 1041.94 d 0.00 z 1378.47 a 1265.00 1078.50 913.00 364.50 208.50 7869.73
1980 230.50 294.50 517.00 713.00 1044.00 1399.50 1492.00 1337.50 1113.00 726.00 357.00 290.50 9514.50
1981 196.50 315.50 455.70 a 626.50 g 1003.00 1221.00 1367.00 1248.00 1078.50 814.30 c 576.21 a 248.50 f 8275.71
1982 239.50 277.50 604.50 739.50 678.00 i 1225.56 c 905.00 k 1387.50 1159.50 880.50 377.00 185.50 7076.56
1983 166.50 243.50 0.00 z 299.50 q 690.50 j 501.50 q 631.50 q 1382.00 1177.78 c 613.00 j 244.00 o 82.50 s 2969.78
1984 0.00 z 0.00 z 0.00 z 716.50 1057.00 1216.50 1314.00 1307.50 1017.50 703.00 381.00 269.00 7982.00
1985 115.00 207.00 567.00 808.00 1082.00 1146.00 1314.50 1344.50 1058.00 751.00 481.50 145.00 9019.50
1986 229.50 352.00 599.50 905.00 1044.50 1202.00 1319.50 1299.50 1109.50 746.00 380.50 201.50 9389.00
1987 175.50 277.00 408.50 639.50 971.00 1160.00 1312.00 1344.50 1046.00 889.50 402.50 227.00 8853.00
1988 108.50 297.50 548.18 a 749.00 1034.50 1221.00 1317.50 1313.50 1075.00 842.50 497.50 203.00 9207.68
1989 237.50 295.00 622.50 865.00 1130.00 1229.00 1384.50 1313.50 1025.50 836.00 446.50 124.50 9509.50
1990 203.50 334.50 515.50 791.00 1022.50 1455.50 1290.00 1253.00 1111.00 753.50 508.50 212.00 9450.50
1991 118.50 357.00 565.00 775.00 1166.50 1309.00 1300.50 1284.00 970.00 835.00 329.00 228.50 9238.00
1992 143.50 351.50 608.00 758.00 972.00 1215.50 1363.00 1277.00 1150.00 861.00 344.50 268.00 9312.00
1993 189.50 276.50 538.50 743.00 1068.00 1280.00 1438.00 1394.00 1078.50 787.00 338.50 278.00 9409.50
1994 206.00 290.00 576.50 754.00 1070.00 1406.90 a 1419.00 1339.00 1035.00 838.00 486.00 281.50 9701.90
1995 200.00 371.00 512.00 709.50 1051.50 1204.50 1368.50 1354.50 1066.00 825.50 457.50 231.50 9352.00
1996 185.00 397.50 414.50 736.00 1286.00 1349.00 1411.50 1273.00 1017.50 769.50 450.50 286.50 9576.50
1997 197.50 209.00 575.00 583.00 1012.50 1202.50 1394.00 1366.00 1145.50 803.50 348.00 126.00 8962.50
1998 266.50 274.50 464.50 694.00 1211.00 1401.50 1376.50 1330.50 1218.50 941.50 516.00 233.00 9928.00
1999 310.00 430.00 579.00 792.00 1074.00 1254.50 1389.00 1404.00 1118.00 808.50 537.00 191.50 9887.50
2000 283.50 432.00 488.00 803.50 1229.50 749.00 l 1488.00 1402.00 1205.00 0.00 z 0.00 z 0.00 z 7331.50
2001 0.00 z 0.00 z 0.00 z 884.00 1133.00 1365.52 a 1462.00 1347.50 1134.50 866.50 510.50 0.00 z 8703.52
2002 225.00 208.00 415.50 941.50 1139.00 1345.50 1350.00 1415.00 1117.50 768.00 337.50 192.50 9455.00
2003 216.00 262.00 564.50 819.50 1119.50 1220.50 1345.00 1336.58 e 0.00 z 865.50 492.50 145.50 f 8241.58
2004 260.50 215.00 667.50 691.50 1145.00 1276.00 1327.00 1257.50 1032.00 812.50 329.50 127.00 g 9014.00
2005 282.10 a 243.00 408.00 692.00 1011.50 1281.50 1348.50 1249.50 1201.50 780.00 429.00 103.50 h 8926.60
2006 59.50 z 289.50 611.50 910.00 1157.73 e 1279.50 1400.00 0.00 z 1007.00 0.00 z 439.00 0.00 z 7094.23
2007 130.50 f 0.00 z 599.50 655.00 925.00 0.00 z 1221.00 1280.00 723.50 k 923.00 450.00 0.00 z 6053.50
2008 183.00 193.00 o 523.00 723.00 1086.50 1392.00 1302.00 1281.00 669.50 j 758.00 384.00 155.50 h 7632.50
2009 34.00 x 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
Period of Record Statistics
MEAN 208.64 291.80 544.86 779.73 1071.61 1251.24 1343.21 1306.06 1073.42 804.26 429.23 225.43 9355.97
S.D. 68.10 72.05 88.75 83.52 77.78 86.60 70.40 56.85 82.05 80.19 80.43 63.34 309.93
SKEW 0.17 0.32 0.11 0.10 0.33 -0.12 -0.20 0.34 -0.23 -1.26 -0.09 -0.03 -0.09
MAX 365.44 460.00 743.00 941.50 1286.00 1455.50 1492.00 1435.50 1279.50 941.50 582.50 356.00 9928.00
MIN 67.00 156.50 350.00 583.00 896.00 962.00 1179.00 1207.00 840.50 524.50 268.50 109.00 8771.48
NO YRS 42 45 45 46 45 43 46 48 46 46 48 37 29