SPEARMAN, TEXAS

Monthly Total Growing Degree Days

(418523)

Base Temperature = 40 F

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 200309
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
1920 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
1921 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
1922 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
1923 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
1924 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
1925 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
1926 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
1927 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 458.50 s 1058.50 686.00 h 664.00 357.50 56.00 2136.00
1928 106.50 98.50 298.00 395.00 747.50 893.00 1210.00 1088.50 901.50 632.50 153.50 65.50 6590.00
1929 19.00 14.50 238.50 538.50 670.50 1010.50 1189.50 1004.00 f 873.50 577.50 37.50 95.50 5265.00
1930 15.50 231.50 156.00 617.00 781.50 1093.50 1269.50 1241.50 972.00 518.50 242.50 26.00 7165.00
1931 63.00 143.11 a 191.96 e 416.50 691.00 1117.00 1234.00 1109.00 1094.50 658.50 264.00 105.00 7087.57
1932 20.00 201.50 197.50 479.00 730.50 879.00 1158.00 1169.00 864.00 552.50 188.00 60.50 6499.50
1933 86.80 a 66.50 294.50 427.00 839.00 1204.00 1330.00 1166.00 1086.50 646.50 278.00 201.50 7626.30
1934 57.50 143.00 270.00 584.50 891.00 1151.50 1401.00 1332.00 875.00 762.50 330.50 63.50 7862.00
1935 81.00 140.00 461.50 506.50 596.75 a 1017.50 1280.00 1277.00 863.00 658.00 108.00 23.00 7012.25
1936 28.00 62.50 339.50 527.50 846.00 1102.50 1300.00 1344.50 857.00 398.00 0.00 z 40.50 6846.00
1937 0.00 76.00 139.50 0.00 z 767.00 g 1043.00 1356.00 1355.50 1029.50 629.00 258.00 67.00 5953.50
1938 97.81 b 211.50 g 428.00 448.00 754.50 1039.50 1253.00 1330.50 956.00 674.00 164.00 73.50 7218.81
1939 47.00 16.00 271.50 469.00 819.00 1098.50 1282.50 1151.50 1015.00 612.00 174.00 158.00 7114.00
1940 0.00 91.50 235.00 448.00 795.50 1018.00 1329.50 1137.50 974.50 708.50 172.50 98.50 7009.00
1941 16.50 56.50 116.50 424.50 750.50 896.50 1128.50 1102.00 886.00 0.00 z 213.00 80.50 5671.00
1942 41.50 51.00 149.00 477.00 683.50 959.50 1153.50 1109.00 818.00 567.00 292.50 67.50 6369.00
1943 125.03 a 131.00 206.50 614.50 666.50 1078.00 1249.50 1299.00 897.00 579.00 186.00 22.50 7054.53
1944 10.50 127.00 161.00 359.50 740.50 1037.50 1134.50 1181.00 866.00 538.50 202.50 15.50 6374.00
1945 29.50 62.50 282.00 332.00 734.50 901.50 1169.00 1180.50 894.50 537.00 185.50 31.50 6340.00
1946 15.50 96.00 284.00 635.50 675.00 0.00 z 1289.00 1169.50 866.50 533.00 147.50 150.00 5861.50
1947 29.50 36.00 167.50 349.50 641.50 919.50 1143.50 1225.50 981.50 623.00 g 72.00 34.50 5600.50
1948 40.30 a 45.73 c 153.45 a 531.72 a 763.00 997.00 1209.00 1120.50 915.50 519.00 135.50 60.00 6490.71
1949 13.50 59.50 164.50 406.50 725.00 964.00 1154.00 1081.00 806.50 555.00 316.00 46.00 6291.50
1950 69.23 a 128.00 188.00 444.50 765.50 1015.00 1022.00 1036.50 767.00 718.50 175.50 45.00 6374.73
1951 58.00 141.50 174.00 361.50 744.50 909.50 1268.50 1219.00 858.50 559.00 116.50 106.00 6516.50
1952 169.50 121.18 a 180.00 437.50 789.00 1250.00 1229.00 1300.50 909.00 508.50 200.00 24.00 7118.18
1953 140.50 84.50 335.50 389.50 739.50 1248.50 1210.50 1134.50 941.50 584.50 179.50 26.00 7014.50
1954 61.00 174.50 157.50 597.50 631.50 1099.00 1368.00 1253.50 1067.00 612.00 284.50 94.00 7400.00
1955 56.50 60.00 265.00 562.00 844.00 963.50 1240.50 1209.00 942.50 614.00 173.00 94.50 7024.50
1956 72.00 62.50 286.50 449.00 936.50 1171.50 1223.50 1208.50 1016.50 720.50 161.00 112.50 7420.50
1957 31.50 164.50 183.50 391.00 611.50 916.00 1288.50 1206.00 805.00 521.50 124.00 101.50 6344.50
1958 21.50 85.50 34.00 331.50 840.50 1094.00 1158.00 1191.00 973.00 592.00 248.00 61.50 6630.50
1959 21.50 83.00 202.00 420.00 835.00 1120.50 1130.00 1256.50 923.00 439.50 146.50 63.50 6641.00
1960 70.50 29.50 189.50 580.50 771.00 1058.50 1114.50 1182.50 900.00 556.50 225.00 44.50 6722.50
1961 17.50 112.00 c 63.00 p 422.22 c 257.00 s 0.00 z 451.00 s 0.00 z 0.00 z 0.00 z 19.00 t 76.93 d 628.65
1962 39.50 f 177.50 h 236.08 e 330.50 k 531.00 n 312.00 t 0.00 z 0.00 z 681.00 h 662.00 240.50 116.50 1255.08
1963 36.00 160.50 400.00 695.17 a 967.50 1106.50 1360.50 1262.00 1014.00 838.00 289.00 47.00 8176.17
1964 79.00 6.00 186.00 619.50 956.50 1087.50 1335.00 1253.50 934.00 615.35 a 182.40 e 93.50 7348.25
1965 98.68 a 83.00 116.00 606.00 849.40 a 986.00 1229.00 1140.28 a 885.54 b 584.50 353.57 b 165.00 7096.97
1966 30.50 38.00 345.00 469.00 833.50 378.50 t 1364.00 1070.50 851.00 553.50 281.38 a 69.00 5905.38
1967 123.50 93.50 444.50 653.00 736.77 a 1059.00 1194.00 1089.00 909.00 678.00 207.00 65.00 7252.27
1968 93.50 64.50 340.00 512.07 a 706.50 1085.50 1191.50 1168.00 916.00 689.50 144.50 35.00 6946.57
1969 107.00 70.52 a 99.50 589.29 b 863.00 998.50 1305.50 1217.61 d 907.50 444.00 172.50 60.97 a 6835.88
1970 68.00 135.50 141.50 465.00 905.95 b 1039.00 1274.00 1234.00 930.00 a 453.63 a 224.00 135.50 7006.08
1971 86.50 114.00 305.00 514.00 780.00 1107.50 1211.00 1085.50 875.00 609.50 235.50 92.00 7015.50
1972 100.50 162.00 460.00 653.00 813.50 1062.00 1152.50 1114.50 938.00 589.00 104.50 33.00 7182.50
1973 54.50 102.50 252.00 388.50 743.50 1071.50 1197.00 1201.00 854.00 672.50 279.00 75.50 6891.50
1974 75.50 153.50 423.50 621.00 1006.50 1048.50 1258.00 1093.50 735.50 631.50 220.00 47.00 7314.00
1975 69.50 51.00 266.50 521.00 822.50 1041.00 1143.50 1200.50 845.50 670.50 222.50 105.00 6959.00
1976 87.83 a 301.00 308.00 584.00 686.50 1055.50 1153.00 1138.50 889.00 413.00 181.50 58.50 6856.33
1977 1.00 150.50 318.00 590.50 890.00 1154.50 1282.00 1184.00 1010.50 646.00 250.50 130.50 7608.00
1978 28.50 12.50 359.00 658.00 754.00 1101.50 1316.50 1209.00 956.00 624.00 246.50 71.00 7336.50
1979 20.00 102.00 310.00 521.90 a 735.00 1010.00 1239.50 1126.50 957.00 718.50 128.50 108.00 6976.90
1980 81.00 128.00 259.50 462.00 732.00 1169.50 1385.50 1248.50 975.00 582.50 270.00 172.00 7465.50
1981 66.00 225.00 296.00 718.50 777.00 1160.00 1273.00 1140.00 904.00 566.50 269.50 80.00 7475.50
1982 90.00 132.00 295.50 518.00 802.00 923.00 1206.00 1236.00 1003.50 613.50 222.50 81.00 7123.00
1983 53.50 86.50 240.50 377.50 691.50 954.00 1279.50 1341.50 1050.00 666.50 332.50 29.50 7103.00
1984 67.50 157.50 184.50 366.00 0.00 z 1103.50 1234.00 1188.50 888.00 513.50 238.00 103.50 6044.50
1985 10.50 91.50 309.00 580.50 863.00 1049.00 1256.50 1234.50 933.50 613.50 207.50 44.50 7193.50
1986 210.00 238.50 496.00 694.00 857.00 1065.50 1323.50 1136.50 969.50 559.50 205.00 29.00 7784.00
1987 79.00 132.00 243.50 514.00 841.00 1021.50 1190.00 1189.50 889.50 610.50 262.00 124.50 7097.00
1988 50.00 126.50 259.00 484.50 788.50 1097.00 1176.00 1219.50 886.00 594.00 309.50 113.50 7104.00
1989 127.00 62.50 452.50 652.50 889.50 935.00 1163.00 1153.00 829.00 678.00 328.50 65.50 7336.00
1990 118.50 133.50 299.00 547.50 781.00 1222.50 1177.00 1180.00 1009.00 625.50 373.50 78.00 7545.00
1991 8.50 221.00 383.00 595.00 953.00 1089.50 1217.00 1184.50 925.50 703.00 185.00 86.00 7551.00
1992 88.00 187.00 409.00 595.00 794.00 962.00 1224.50 1066.50 984.50 688.50 149.50 60.00 7208.50
1993 39.50 97.00 280.00 505.00 844.00 1121.00 1286.50 1186.00 914.00 570.00 190.00 129.00 7162.00
1994 79.50 83.00 338.93 a 578.00 820.50 1203.50 1224.50 1201.50 937.50 648.50 257.00 167.50 7539.93
1995 121.50 220.50 363.50 461.00 651.50 953.50 1203.00 1255.50 927.00 647.50 357.00 132.50 7294.00
1996 108.00 264.50 260.00 598.00 1056.00 1117.00 1217.50 1113.00 854.00 640.50 264.50 129.50 7622.50
1997 141.00 87.00 397.00 357.00 773.50 1050.00 1293.50 1169.00 1031.00 645.50 211.00 43.00 7198.50
1998 105.00 150.50 238.00 479.50 995.50 1200.50 1351.50 1232.00 1149.00 788.50 387.50 158.00 8235.50
1999 147.50 273.00 290.50 509.50 796.00 1045.50 1308.00 1326.00 935.00 679.00 477.00 129.00 7916.00
2000 151.50 0.00 z 412.50 665.00 1027.50 1059.50 1349.00 1439.00 1163.50 756.50 176.50 53.50 8254.00
2001 69.50 105.78 a 281.50 747.50 900.00 1190.00 1473.50 1316.50 1008.50 770.00 495.00 190.00 8547.78
2002 151.50 170.50 343.00 675.50 912.50 1168.00 1272.50 1293.50 995.00 0.00 z 0.00 z 89.50 7071.50
2003 138.50 126.50 377.00 634.00 906.00 963.00 1313.50 1281.50 892.50 0.00 z 0.00 z 0.00 z 6632.50
Period of Record Statistics
MEAN 69.28 116.39 272.28 518.24 799.37 1057.01 1244.34 1196.57 930.51 613.90 228.00 82.74 7135.44
S.D. 45.96 64.04 98.91 104.38 99.89 90.38 79.57 81.57 80.56 85.71 84.43 43.50 478.23
SKEW 0.57 0.70 0.14 0.08 0.37 0.02 0.16 0.41 0.50 -0.13 0.71 0.68 0.43
MAX 210.00 301.00 496.00 747.50 1056.00 1250.00 1473.50 1439.00 1163.50 838.00 495.00 201.50 8547.78
MIN 0.00 6.00 34.00 331.50 596.75 879.00 1022.00 1036.50 735.50 398.00 37.50 15.50 6291.50
NO YRS 75 73 75 74 72 72 74 74 74 72 73 76 62