OLTON, TEXAS

Monthly Total Growing Degree Days

(416644)

Base Temperature = 40 F

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 201210
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
1928 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
1929 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
1930 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
1931 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
1932 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
1933 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
1934 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
1935 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
1936 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
1937 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
1938 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
1939 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
1940 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
1941 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
1942 0.00 z 0.00 z 0.00 z 0.00 z 836.43 d 1041.50 1123.50 1071.00 666.50 g 583.66 b 419.00 170.50 5245.58
1943 138.50 163.50 310.50 696.50 770.00 1077.50 1145.50 1260.00 936.50 564.50 192.93 a 0.00 z 7255.93
1944 110.50 148.00 133.50 361.00 824.00 1078.00 1172.00 1142.50 820.00 594.00 245.00 23.50 6652.00
1945 28.00 123.50 302.00 363.50 895.50 1024.50 1164.00 1157.00 0.00 z 0.00 z 0.00 z 0.00 z 5058.00
1946 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
1947 0.00 z 0.00 z 191.74 d 450.50 0.00 z 0.00 z 472.00 r 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 642.24
1948 50.00 h 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
1949 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
1950 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
1951 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 539.50 q 1275.65 a 1247.50 630.50 j 0.00 z 0.00 z 0.00 z 2523.15
1952 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 97.50 l 60.50 l 0.00
1953 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
1954 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
1955 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
1956 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
1957 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
1958 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
1959 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
1960 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
1961 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
1962 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
1963 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
1964 101.00 14.50 260.40 a 564.00 881.50 1021.00 1213.13 a 1122.72 a 835.86 a 635.00 276.00 156.50 7081.61
1965 172.00 96.00 120.50 598.50 844.00 990.54 b 1180.00 1066.40 a 853.00 588.00 400.50 148.50 7057.94
1966 33.00 40.00 341.00 466.50 780.50 998.50 1242.00 996.00 836.50 499.50 335.00 100.50 6669.00
1967 109.53 a 73.50 436.50 667.50 750.00 998.00 1072.50 1022.00 791.00 607.50 255.50 70.50 6854.03
1968 102.00 85.00 284.50 442.00 738.00 1019.50 1077.50 1066.00 798.50 632.50 201.00 67.00 6513.50
1969 162.50 82.44 a 115.00 549.00 798.00 968.50 1243.00 1161.00 839.00 449.00 238.20 e 126.50 6732.14
1970 75.50 122.00 192.09 c 501.92 d 847.16 b 993.00 1153.50 1135.50 844.00 450.50 227.00 138.50 6680.67
1971 114.00 103.50 247.50 470.50 769.12 b 1045.00 1109.50 963.00 831.00 587.50 291.96 b 121.50 6654.08
1972 127.44 d 181.00 474.00 671.00 779.50 1031.00 1077.50 1013.00 884.44 c 613.00 57.50 f 0.00 z 6851.89
1973 67.00 77.50 319.41 c 360.00 0.00 z 1037.50 1146.00 1116.50 0.00 z 0.00 z 0.00 z 0.00 z 4123.91
1974 0.00 z 86.00 f 340.00 g 535.34 a 908.09 b 1027.76 a 1146.50 961.50 607.76 a 548.00 203.79 a 42.50 5981.24
1975 66.65 a 53.50 210.00 413.79 a 739.87 a 1015.71 b 1009.50 1029.00 721.00 570.40 a 0.00 z 106.78 d 5936.20
1976 70.00 265.30 b 278.47 b 591.60 e 675.50 0.00 z 968.23 a 1034.76 b 796.55 a 309.40 e 147.93 a 42.07 c 5179.81
1977 11.22 b 116.31 b 246.93 b 497.14 b 859.14 c 1067.14 b 1105.50 1099.00 946.00 607.08 a 247.00 129.00 6931.48
1978 27.38 a 30.07 a 283.28 b 675.54 b 819.50 1063.50 1188.00 1031.00 826.50 563.68 a 215.50 63.55 a 6787.50
1979 26.50 84.00 223.20 a 508.00 729.00 945.00 1130.50 969.50 850.50 632.83 b 126.72 a 66.59 d 6292.34
1980 79.50 135.00 222.00 0.00 z 746.07 a 1145.50 1193.50 1102.50 885.50 514.50 273.60 e 162.75 a 6460.42
1981 45.50 f 150.00 0.00 z 609.83 a 774.50 1059.31 a 1124.00 443.50 q 825.00 536.50 290.00 123.50 5492.64
1982 81.63 a 106.00 278.00 439.66 a 766.00 888.50 1146.50 1118.00 904.50 486.50 193.50 63.00 6471.79
1983 18.00 66.50 226.50 346.03 a 667.57 b 878.79 a 1165.37 d 900.00 g 930.56 c 599.00 292.24 a 45.50 5236.06
1984 32.00 91.00 106.00 l 392.00 815.50 990.00 1070.50 1046.00 720.50 436.50 180.50 95.00 5869.50
1985 21.00 90.00 308.45 a 607.00 621.50 i 701.50 h 1106.00 754.50 j 867.86 b 527.00 82.00 o 17.00 t 3527.31
1986 0.00 z 0.00 z 0.00 z 624.00 775.50 968.50 1197.50 1063.50 843.50 492.50 181.00 38.00 6184.00
1987 66.50 108.00 188.50 443.50 779.50 985.50 1142.50 1073.50 805.00 570.50 242.50 104.50 6510.00
1988 45.00 102.00 254.50 442.50 751.50 994.50 1085.50 1115.50 827.00 579.50 287.00 63.50 6548.00
1989 114.00 96.00 402.00 608.50 878.00 889.00 1141.50 1071.50 759.00 607.00 253.50 44.50 6864.50
1990 89.50 139.00 263.50 500.50 746.50 1212.00 1092.00 1056.00 900.50 534.00 316.00 79.00 6928.50
1991 13.00 135.50 312.00 570.50 904.00 1033.00 1111.00 1086.50 750.00 600.00 138.50 74.00 6728.00
1992 24.50 148.00 329.50 538.00 726.50 895.50 1117.00 1026.00 845.00 627.50 170.00 89.00 6536.50
1993 45.50 91.00 278.00 493.50 788.00 671.50 k 1187.50 1114.00 831.00 521.00 135.50 82.00 i 5485.00
1994 53.50 95.00 344.00 504.50 786.50 1159.50 1170.50 1096.00 893.50 593.50 267.00 126.00 7089.50
1995 114.00 206.50 319.00 478.00 736.00 998.50 834.00 i 1137.00 826.00 583.00 293.00 131.00 5822.00
1996 90.00 243.50 238.50 517.00 1015.50 1072.00 1158.00 1084.50 808.00 573.00 260.50 167.00 7227.50
1997 116.00 90.00 344.50 364.00 754.00 958.50 1189.88 a 1111.00 960.50 582.50 204.50 62.50 6737.88
1998 101.00 103.50 239.50 443.00 956.50 1120.00 1270.00 1084.50 1017.00 685.00 300.50 129.50 7450.00
1999 154.00 207.50 258.50 365.50 g 729.50 1002.32 b 1157.50 1175.00 814.00 571.00 397.00 77.50 6543.82
2000 153.00 246.00 346.50 532.50 b 928.34 c 773.50 g 973.50 f 1175.00 952.00 621.50 111.35 d 35.50 5101.69
2001 12.00 143.11 a 181.72 b 626.38 a 826.00 1096.20 e 1273.00 1129.50 881.25 b 583.00 376.11 c 108.50 7236.78
2002 104.50 89.50 224.50 580.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 999.00
2003 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
2004 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1119.00 1052.50 851.00 602.00 170.50 108.00 3903.00
2005 153.50 125.00 252.00 509.50 793.00 1079.50 1130.50 1074.00 974.00 589.50 312.50 112.00 7105.00
2006 162.50 131.00 272.50 g 647.00 944.00 1107.00 1210.00 1119.50 746.00 539.50 294.00 77.50 6978.00
2007 31.50 133.50 391.00 320.00 f 571.00 f 941.50 1059.00 763.50 j 541.50 l 530.00 f 193.50 j 57.50 m 2556.50
2008 42.00 j 110.50 j 191.00 k 356.50 f 531.50 k 802.00 h 762.50 i 756.00 i 589.50 g 360.00 i 180.00 l 86.00 k 0.00
2009 54.00 n 143.00 k 274.50 g 408.50 g 779.50 1037.50 0.00 z 1119.00 790.00 475.50 298.00 31.50 4531.00
2010 60.50 28.00 239.50 508.50 744.50 1126.00 1069.50 1132.50 960.50 625.00 242.00 140.00 6876.50
2011 57.50 164.50 379.00 636.50 821.50 1215.50 1289.00 1303.50 884.50 602.50 249.50 38.00 7641.50
2012 119.50 107.00 456.00 697.00 898.00 1121.00 1191.50 1167.50 884.50 449.00 h 0.00 z 0.00 z 6642.00
Period of Record Statistics
MEAN 81.24 118.07 278.36 522.69 806.02 1031.52 1148.15 1095.72 846.86 562.93 250.08 92.87 6846.60
S.D. 47.26 54.94 82.13 97.71 75.11 77.85 67.04 71.15 75.68 66.25 73.81 41.67 314.25
SKEW 0.20 0.73 0.31 0.00 0.69 0.22 -0.05 0.54 -0.37 -1.46 0.26 0.14 0.65
MAX 172.00 265.30 474.00 697.00 1015.50 1215.50 1289.00 1303.50 1017.00 685.00 419.00 170.50 7641.50
MIN 11.22 14.50 115.00 346.03 667.57 878.79 968.23 961.50 607.76 309.40 111.35 23.50 6292.34
NO YRS 45 46 44 46 46 45 48 47 46 46 43 42 27