SILVERTON, TEXAS

Monthly Total Growing Degree Days

(418323)

Base Temperature = 50 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
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
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 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
1943 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
1944 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
1945 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
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 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
1948 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
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
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 0.00 z 0.00 z 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 9.00 r 0.00 z 0.00
1962 0.53 b 72.00 77.50 263.50 669.00 657.50 826.50 823.50 587.00 349.00 58.50 9.50 4394.03
1963 1.50 26.50 130.50 392.00 567.00 692.00 877.00 845.00 333.50 q 465.00 125.19 d 0.50 4122.19
1964 1.00 0.00 z 17.00 j 0.00 z 0.00 z 0.00 z 912.50 0.00 z 0.00 z 283.81 b 104.00 23.00 1324.31
1965 22.06 e 8.62 b 11.00 271.50 540.00 670.50 0.00 z 761.50 0.00 z 252.50 0.00 z 17.50 2555.17
1966 0.00 z 0.00 z 121.50 0.00 z 0.00 z 727.50 962.55 a 704.50 517.00 211.00 123.00 7.00 3374.05
1967 16.50 9.50 207.50 342.00 394.00 727.00 790.00 757.50 508.00 320.50 56.50 0.50 4129.50
1968 14.50 5.00 86.50 159.00 381.50 677.00 808.00 769.50 503.00 332.00 42.00 0.00 3778.00
1969 14.50 6.00 11.00 247.50 462.50 652.50 965.00 884.50 540.50 213.50 56.50 0.50 4054.50
1970 10.00 7.00 32.00 198.00 535.00 713.50 870.50 845.50 558.00 208.50 47.50 25.32 a 4050.82
1971 3.50 3.00 65.50 224.50 450.00 747.50 849.50 660.00 532.50 286.00 62.00 19.00 3903.00
1972 11.00 25.50 167.50 346.50 436.50 705.50 750.50 723.50 580.00 308.00 11.00 2.00 4067.50
1973 0.00 2.50 23.00 120.50 384.50 686.00 816.00 779.00 496.55 a 340.50 91.50 10.85 a 3750.90
1974 8.00 8.00 171.53 a 271.50 584.00 688.00 891.00 692.00 342.00 256.00 39.00 2.50 3953.53
1975 4.65 a 4.50 55.00 189.00 412.50 712.00 747.50 783.50 457.50 282.50 68.00 13.50 3730.15
1976 2.50 68.50 84.00 236.50 328.50 687.50 703.50 784.50 522.50 158.00 29.50 4.00 3609.50
1977 0.00 16.50 52.91 b 208.97 a 528.03 a 815.00 896.00 850.43 a 713.28 a 302.50 68.50 23.00 4475.12
1978 1.00 0.00 85.50 348.50 455.00 748.00 935.50 770.50 600.00 303.05 b 77.00 17.50 4341.55
1979 0.00 17.00 40.50 201.00 437.50 641.50 826.50 695.50 570.00 351.50 8.50 5.50 3795.00
1980 9.00 18.50 31.50 166.50 417.50 867.50 1018.00 897.50 606.00 256.50 86.00 20.00 4394.50
1981 0.50 46.50 40.50 329.50 458.50 812.50 930.00 752.00 587.50 287.00 97.50 15.50 4357.50
1982 10.85 a 36.50 87.00 208.50 453.00 584.00 881.00 875.50 657.50 270.00 72.00 10.00 4145.85
1983 0.00 0.50 55.50 145.50 375.50 595.50 920.00 920.50 677.00 329.00 96.00 0.00 4115.00
1984 1.00 5.50 38.00 127.00 513.50 765.00 833.50 796.50 526.00 224.00 70.00 15.00 3915.00
1985 0.00 19.50 84.50 284.00 566.50 688.50 847.00 900.50 598.00 251.00 53.00 0.00 4292.50
1986 18.00 93.50 135.50 318.50 496.50 675.00 922.50 802.00 570.50 226.00 36.50 1.00 4295.50
1987 2.50 19.00 36.50 227.50 482.00 681.50 809.00 801.00 548.50 299.00 100.00 20.50 4027.00
1988 0.50 13.50 75.50 173.50 453.50 710.00 788.00 806.00 542.50 282.00 107.50 0.00 3952.50
1989 6.00 14.50 195.00 346.50 538.50 612.00 842.00 790.00 482.00 370.00 77.00 6.50 4280.00
1990 3.50 18.00 95.00 221.50 444.50 896.00 805.00 808.50 660.00 268.50 133.00 4.50 4358.00
1991 0.00 19.50 115.00 284.50 568.00 735.50 808.50 795.00 496.50 351.50 24.50 9.50 4208.00
1992 0.00 20.50 100.00 268.50 416.00 628.00 828.00 728.50 614.00 339.00 50.00 13.00 4005.50
1993 0.00 11.00 53.00 203.00 442.00 734.50 919.00 810.50 570.50 248.00 17.00 12.50 4021.00
1994 13.00 12.50 121.00 237.50 431.00 862.00 885.00 828.50 606.50 311.00 81.00 6.50 4395.50
1995 19.00 50.50 143.00 202.00 409.00 646.50 879.50 822.50 557.50 274.00 92.50 28.50 4124.50
1996 8.00 81.00 65.00 257.00 711.50 774.00 843.50 782.00 506.50 289.00 77.50 25.50 4420.50
1997 22.50 18.00 114.00 126.50 402.00 638.50 864.50 794.00 636.50 286.50 36.50 0.00 3939.50
1998 2.50 6.50 96.00 165.50 627.00 839.50 1002.00 823.00 755.00 278.00 31.00 0.50 4626.50
1999 1.50 18.50 12.50 139.66 a 312.30 d 690.50 903.65 a 932.00 546.00 289.50 167.00 6.00 4019.10
2000 14.00 61.11 a 99.50 272.00 635.00 646.15 d 905.50 926.00 692.50 375.00 21.35 d 0.00 4648.11
2001 0.00 19.50 43.50 327.86 b 520.50 819.23 d 1026.32 c 882.39 c 581.00 328.50 155.50 16.50 4720.80
2002 14.00 16.00 64.00 315.00 503.50 800.00 849.00 870.00 599.50 229.00 32.00 8.00 4300.00
2003 10.00 20.00 102.50 290.00 540.00 632.50 911.00 937.50 539.00 400.50 93.50 26.00 4502.50
2004 5.00 9.00 162.50 239.00 607.00 682.50 788.00 731.50 572.00 298.50 26.00 1.50 4122.50
2005 21.00 19.50 25.00 95.50 j 474.50 731.00 822.00 788.50 710.50 318.00 111.00 16.00 4037.00
2006 22.50 19.00 122.00 364.50 606.50 807.50 951.00 853.50 477.00 287.00 79.00 5.50 4595.00
2007 0.50 15.00 167.00 145.50 425.00 651.50 764.50 854.50 629.50 365.50 123.00 e 16.50 4158.00
2008 14.00 14.00 94.00 210.00 494.50 831.50 826.50 787.00 497.50 289.00 92.00 12.00 4162.00
2009 7.00 47.50 148.50 217.00 466.00 745.00 865.86 b 662.00 f 502.50 219.00 103.50 1.00 3322.86
2010 4.00 0.00 66.00 254.00 474.50 876.00 811.00 889.50 694.50 347.00 67.50 20.00 4504.00
2011 2.00 53.50 120.50 351.00 545.50 998.00 1086.55 a 1099.00 618.00 328.50 67.50 0.00 5270.05
2012 0.00 14.00 262.00 420.50 657.50 836.50 975.00 913.00 614.00 237.00 h 0.00 z 0.00 z 4692.50
Period of Record Statistics
MEAN 6.87 22.69 91.88 247.07 490.49 728.85 870.80 818.96 572.91 294.78 72.36 9.99 4202.49
S.D. 7.23 22.00 55.01 75.43 88.81 87.40 77.30 78.35 76.95 55.56 37.14 8.69 311.66
SKEW 0.80 1.60 0.77 0.25 0.42 0.78 0.47 0.77 -0.03 0.28 0.36 0.44 0.79
MAX 22.50 93.50 262.00 420.50 711.50 998.00 1086.55 1099.00 755.00 465.00 167.00 28.50 5270.05
MIN 0.00 0.00 11.00 120.50 312.30 584.00 703.50 660.00 342.00 158.00 8.50 0.00 3609.50
NO YRS 50 49 50 48 49 50 50 49 48 50 49 50 44