SILVERTON, TEXAS

Monthly Total Heating Degree Days

(418323)

Base Temperature = 65 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 258.50 r 0.00 z 0.00
1962 1018.72 b 498.50 559.00 229.00 21.00 13.50 0.00 0.00 17.00 155.50 474.50 739.50 3726.22
1963 1064.50 624.50 437.50 110.50 41.50 5.00 0.00 0.00 5.00 q 52.00 392.31 d 948.50 3676.31
1964 808.00 0.00 z 388.00 j 0.00 z 0.00 z 0.00 z 0.00 0.00 z 0.00 z 196.69 b 503.50 822.00 2330.19
1965 746.38 e 763.54 b 853.50 212.00 49.50 0.50 0.00 z 0.00 0.00 z 228.00 0.00 z 671.50 3524.92
1966 0.00 z 0.00 z 474.50 0.00 z 0.00 z 0.00 0.00 a 29.00 30.50 292.00 434.50 885.50 2146.00
1967 804.50 718.50 373.50 144.00 152.00 10.50 0.00 0.00 39.50 222.00 549.00 902.00 3915.50
1968 853.00 809.00 579.00 333.00 129.00 5.50 0.00 3.50 29.00 191.50 603.00 878.00 4413.50
1969 793.50 716.50 857.50 229.00 94.50 28.00 0.00 0.00 20.00 389.50 576.00 789.00 4493.50
1970 987.50 667.50 713.00 319.00 72.00 33.00 3.00 0.00 78.50 361.50 615.50 672.18 a 4522.68
1971 854.50 769.50 616.50 286.50 84.50 0.00 1.00 0.00 119.50 204.00 533.00 798.50 4267.50
1972 886.50 696.00 406.50 181.00 95.00 3.00 9.00 0.00 46.00 249.00 795.00 956.50 4323.50
1973 1049.00 769.00 562.50 463.00 136.00 6.50 0.00 0.00 65.17 a 171.50 439.50 819.95 a 4482.12
1974 948.50 642.50 419.02 a 233.00 55.00 6.00 0.00 0.00 158.50 229.00 576.50 874.00 4142.02
1975 872.65 a 829.50 656.50 340.00 91.00 12.50 0.00 0.00 121.00 220.00 558.50 761.00 4462.65
1976 868.50 519.00 551.00 240.00 170.00 3.00 0.00 0.00 54.00 443.50 736.50 870.50 4456.00
1977 1121.00 635.50 566.55 b 270.00 a 23.25 a 0.00 0.00 0.00 a 4.14 a 186.50 506.00 763.00 4075.94
1978 1126.50 995.50 582.50 148.50 138.00 8.00 0.00 2.50 37.50 194.02 b 547.50 905.50 4686.02
1979 1182.50 764.00 547.50 302.50 121.00 32.50 0.00 1.00 31.00 172.00 731.00 830.50 4715.50
1980 926.50 795.50 618.50 339.50 122.00 0.00 0.00 0.00 45.50 280.50 684.00 740.50 4552.50
1981 850.00 646.00 536.50 168.50 86.50 8.00 0.00 0.00 26.50 244.00 435.00 748.50 3749.50
1982 838.03 a 789.00 521.50 297.50 77.50 17.00 0.00 0.00 13.00 250.50 585.50 851.00 4240.53
1983 980.50 756.50 597.50 438.50 130.00 43.00 0.00 0.00 43.00 180.00 496.00 1208.00 4873.00
1984 976.50 709.50 611.00 375.00 72.50 1.50 0.00 0.00 107.50 288.00 551.50 754.00 4447.00
1985 994.50 789.50 500.50 200.00 44.00 6.50 0.00 0.00 90.50 236.00 593.50 947.50 4402.50
1986 718.50 632.50 403.50 182.00 69.50 3.00 0.00 0.00 19.50 272.50 622.50 821.50 3745.00
1987 931.50 637.00 638.00 317.00 59.50 4.50 0.00 4.50 11.50 190.00 538.00 927.50 4259.00
1988 1020.00 759.50 605.00 326.00 90.50 0.50 0.00 10.00 20.00 206.50 502.00 815.00 4355.00
1989 744.00 872.00 458.00 214.50 82.00 15.50 0.00 0.00 102.00 150.50 537.50 1062.00 4238.00
1990 795.00 648.50 557.50 277.50 146.50 0.50 0.00 0.00 15.00 230.00 442.00 932.00 4044.50
1991 952.50 554.50 442.00 186.00 47.00 1.00 0.00 0.00 91.50 206.00 714.00 787.50 3982.00
1992 867.00 553.00 435.00 216.50 103.00 9.00 0.00 1.00 25.00 153.50 659.50 881.00 3903.50
1993 963.00 770.50 582.00 282.50 93.00 6.50 0.00 0.00 42.50 298.50 699.50 775.50 4513.50
1994 855.50 806.50 480.50 291.50 111.50 0.00 0.00 3.00 23.50 209.00 519.50 709.50 4010.00
1995 801.00 571.50 546.50 304.50 113.00 12.00 0.00 2.50 85.50 212.00 465.00 775.50 3889.00
1996 877.00 630.00 654.00 255.00 20.50 0.00 0.00 0.00 59.50 242.50 558.00 771.50 4068.00
1997 917.50 721.50 455.50 444.00 106.50 5.50 0.00 5.50 36.50 270.00 627.00 898.00 4487.50
1998 747.50 647.50 650.00 331.00 27.00 14.50 0.00 0.00 6.50 229.00 567.00 928.50 4148.50
1999 894.50 607.50 693.00 370.86 a 211.26 d 6.00 0.00 a 0.00 82.00 207.00 339.00 802.50 4213.62
2000 755.50 534.43 a 441.50 235.50 60.00 12.12 d 0.00 0.00 58.50 200.50 694.04 d 998.00 3990.08
2001 947.00 645.00 593.00 158.04 b 53.50 0.00 d 0.00 c 0.00 c 19.00 181.50 427.50 747.50 3772.04
2002 801.50 725.00 650.00 230.50 81.50 1.00 0.00 0.00 20.50 302.00 602.00 817.00 4231.00
2003 801.50 764.00 487.50 199.00 46.50 8.50 0.00 0.00 34.00 119.50 512.00 737.50 3710.00
2004 790.00 777.50 385.50 268.00 69.00 1.50 6.00 0.00 15.00 178.50 613.00 819.00 3923.00
2005 787.00 633.00 591.50 223.50 j 136.00 1.00 1.50 0.50 7.50 211.50 481.50 832.00 3683.00
2006 677.50 679.50 475.00 143.50 58.00 0.00 0.00 0.00 52.00 239.50 484.50 834.50 3644.00
2007 1013.00 738.50 384.50 409.50 80.00 4.00 0.00 0.00 5.00 173.00 470.40 e 848.00 4125.90
2008 878.00 679.00 515.50 284.50 87.50 0.00 0.00 0.50 28.50 215.50 475.50 808.50 3973.00
2009 843.50 539.00 450.50 307.00 94.50 1.50 0.53 b 0.00 f 55.50 347.50 437.00 998.00 4074.53
2010 928.50 872.50 560.50 248.00 95.50 0.00 0.00 2.00 5.00 132.50 519.00 736.50 4100.00
2011 919.50 779.50 426.00 157.00 102.50 0.00 0.00 a 0.00 25.50 189.00 517.00 912.50 4028.50
2012 720.50 702.50 303.50 90.50 41.00 1.50 0.00 0.00 42.00 145.50 h 0.00 z 0.00 z 1901.50
Period of Record Statistics
MEAN 889.99 701.75 540.13 262.29 87.59 7.06 0.42 1.34 45.12 224.09 549.82 842.27 4188.69
S.D. 113.34 102.02 113.05 86.96 40.52 9.48 1.57 4.44 35.51 68.08 97.16 100.62 299.38
SKEW 0.46 0.18 0.57 0.29 0.58 2.08 4.38 5.27 1.20 0.81 0.42 1.06 0.11
MAX 1182.50 995.50 857.50 463.00 211.26 43.00 9.00 29.00 158.50 443.50 795.00 1208.00 4873.00
MIN 677.50 498.50 303.50 90.50 20.50 0.00 0.00 0.00 4.14 52.00 339.00 671.50 3644.00
NO YRS 50 49 50 48 49 50 50 49 48 50 49 50 44