DUMAS, TEXAS

Monthly Total Heating Degree Days

(412617)

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
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 248.50 28.50 0.00 0.00 1.00 27.50 206.00 584.50 795.00 1891.00
1940 1239.50 742.00 515.00 320.50 48.00 9.50 0.00 0.00 38.00 0.00 z 0.00 z 0.00 z 2912.50
1941 0.00 z 0.00 z 735.50 296.50 123.00 14.50 0.00 b 0.00 b 87.50 204.50 i 507.86 b 824.08 a 2588.94
1942 927.50 851.31 b 619.43 d 301.80 e 0.00 z 9.00 h 0.00 h 0.00 i 62.31 d 303.44 e 297.00 k 635.50 f 3065.78
1943 865.86 b 492.00 f 502.50 f 117.50 g 141.00 f 8.57 b 3.21 b 0.00 b 17.31 d 151.00 k 476.50 f 1091.41 b 1986.36
1944 0.00 z 748.78 d 0.00 z 272.00 j 69.00 5.50 3.50 0.00 22.50 16.53 a 576.00 907.00 2348.81
1945 861.50 500.00 470.00 520.00 100.50 1.50 5.00 0.00 24.83 a 247.00 554.00 940.50 4224.83
1946 964.50 658.00 503.00 158.00 143.00 6.50 0.00 f 1.55 a 40.00 203.50 589.00 730.50 3997.55
1947 993.50 865.41 a 566.00 g 188.00 n 0.00 z 13.50 0.00 m 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1872.41
1948 993.03 a 894.70 b 717.02 d 128.50 i 0.00 z 0.00 0.00 0.50 34.00 311.00 588.50 f 297.50 u 2950.26
1949 494.00 u 199.50 v 618.45 a 365.50 100.00 4.00 0.00 0.00 24.00 260.50 390.00 866.50 2628.95
1950 840.50 475.50 g 624.00 317.50 0.00 z 10.00 0.00 0.00 66.72 a 335.50 0.00 z 878.16 b 3072.38
1951 976.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 976.00
1952 0.00 z 463.00 k 729.02 a 336.00 106.50 0.50 5.00 0.00 40.00 291.00 0.00 z 0.00 z 1508.02
1953 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 21.50 195.50 561.50 948.00 1726.50
1954 0.00 z 0.00 z 0.00 z 0.00 z 202.02 a 0.00 g 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 202.02
1955 0.00 z 0.00 z 0.00 z 0.00 z 81.63 a 27.00 0.00 0.00 0.00 z 0.00 z 708.50 0.00 z 817.13
1956 0.00 z 0.00 z 606.57 a 377.50 33.00 g 1.00 0.00 15.50 6.50 133.50 554.00 g 771.50 1912.07
1957 941.00 572.00 670.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 314.00 721.50 705.00 3924.00
1958 908.50 760.50 941.50 435.50 75.50 15.50 1.03 a 0.00 34.00 275.00 631.00 886.50 4964.53
1959 1101.00 772.00 697.50 390.52 a 95.00 4.50 0.00 0.00 40.50 371.50 750.50 829.50 5052.52
1960 1063.50 993.50 761.00 218.50 111.50 1.00 10.50 0.00 37.50 246.50 569.50 952.00 4965.00
1961 937.50 759.50 640.00 398.50 86.00 9.00 0.00 0.00 96.00 269.50 783.00 971.00 4950.00
1962 1131.00 613.00 697.50 311.00 38.50 21.50 0.00 0.00 46.00 196.00 563.50 810.50 4428.50
1963 1214.00 680.50 533.50 181.50 78.00 9.00 0.00 0.00 14.50 58.00 538.50 1079.00 4386.50
1964 899.50 1006.00 723.00 310.00 61.50 19.50 0.00 0.00 77.50 231.00 619.50 926.50 4874.00
1965 804.50 848.50 905.50 245.00 83.50 7.50 0.00 0.00 82.50 237.00 419.00 750.50 4383.50
1966 1152.50 883.50 548.00 335.00 126.50 3.50 0.00 20.00 31.50 309.00 511.00 966.00 4886.50
1967 837.50 761.00 447.00 188.50 191.00 15.50 0.00 2.00 43.50 206.00 614.50 984.00 4290.50
1968 919.00 816.50 582.00 365.00 189.00 5.50 0.00 4.50 19.00 210.50 658.50 960.50 4730.00
1969 824.00 752.50 901.50 258.50 91.50 38.00 0.00 0.00 13.50 424.00 631.00 829.00 4763.50
1970 999.00 661.00 776.00 375.50 78.00 41.50 6.00 0.00 94.00 402.00 611.50 735.50 4780.00
1971 934.50 788.00 633.50 330.50 118.50 0.00 2.50 0.00 137.50 231.50 559.50 836.50 4572.50
1972 905.00 717.00 432.00 220.50 91.50 0.00 10.00 0.00 58.50 279.50 871.50 1023.00 4608.50
1973 1030.50 751.50 625.50 493.00 165.00 10.50 0.00 0.00 74.50 193.50 530.00 884.50 4758.50
1974 1013.50 673.50 432.50 254.00 40.00 2.00 0.00 6.50 141.00 225.00 617.50 935.50 4341.00
1975 922.50 893.00 657.72 a 360.50 95.50 23.50 0.00 0.00 104.00 200.50 630.00 775.00 4662.22
1976 917.50 557.50 610.70 a 247.00 191.00 5.50 0.00 0.00 49.50 425.00 721.50 853.50 4578.70
1977 1144.50 645.50 555.50 301.00 21.50 0.00 0.00 0.00 5.00 182.50 552.41 a 799.50 4207.41
1978 1161.98 a 1046.00 612.50 190.50 184.50 11.50 0.00 3.50 46.50 0.00 z 595.50 1012.00 4864.48
1979 1290.00 755.50 586.50 324.00 152.50 55.00 0.00 1.00 33.50 165.00 727.50 814.50 4905.00
1980 931.50 800.00 675.50 384.00 164.00 4.00 0.00 0.00 41.50 254.50 628.00 708.00 4591.00
1981 811.00 658.00 580.98 b 165.50 121.00 4.50 0.00 0.00 29.00 252.50 441.50 770.00 3833.98
1982 871.00 864.50 593.50 341.00 99.50 26.00 2.00 0.00 27.50 262.00 670.00 932.50 4689.50
1983 967.00 849.00 685.50 504.00 202.00 50.00 0.00 0.00 53.00 205.00 510.00 1267.00 5292.50
1984 1028.00 726.00 706.00 458.00 94.50 0.50 0.00 0.00 115.00 351.50 590.00 831.00 4900.50
1985 1049.00 854.00 552.50 227.50 77.00 14.00 0.00 0.00 114.00 327.50 668.50 978.50 4862.50
1986 689.00 744.50 422.00 245.00 84.50 4.50 0.00 2.00 25.00 312.00 678.00 898.50 4105.00
1987 963.00 669.00 688.50 345.50 69.50 9.50 1.00 18.00 16.00 259.50 600.50 972.00 4612.00
1988 1099.50 831.00 689.50 399.00 131.00 8.00 0.00 10.50 59.50 237.00 549.00 866.50 4880.50
1989 840.50 988.00 500.50 287.50 108.00 58.50 0.00 0.00 117.00 225.00 568.50 1095.50 4789.00
1990 928.50 764.00 650.50 314.00 186.50 0.00 2.00 0.00 24.00 276.00 513.00 1074.50 4733.00
1991 1083.50 578.50 538.00 261.00 87.00 2.00 4.00 2.50 80.00 255.50 780.00 881.00 4553.00
1992 869.50 662.50 501.50 250.00 125.50 26.00 0.00 10.50 25.50 211.00 793.50 969.50 4445.00
1993 0.00 z 844.00 606.00 369.50 112.50 12.50 0.00 1.00 60.00 369.00 729.50 861.00 3965.00
1994 937.50 831.50 584.00 353.50 103.50 0.00 0.00 1.50 44.00 244.50 610.00 764.50 4474.50
1995 910.00 619.50 618.50 419.50 201.50 26.50 2.00 2.00 104.00 251.00 550.50 853.00 4558.00
1996 942.50 692.50 747.00 308.50 55.50 0.00 8.00 0.00 79.50 285.00 623.50 871.50 4613.50
1997 992.00 804.50 516.00 546.50 129.50 2.00 0.00 4.50 54.00 173.50 m 701.67 c 955.66 b 4706.32
1998 876.55 b 633.50 749.50 425.17 a 31.50 22.76 a 0.00 0.00 0.00 z 242.83 a 525.50 878.50 4385.82
1999 815.50 581.00 665.00 370.50 0.00 z 13.00 0.00 0.00 99.00 230.50 420.00 824.00 4018.50
2000 815.50 591.00 582.50 280.00 107.50 7.00 0.00 0.00 63.50 212.50 785.50 751.00 j 3445.00
2001 0.00 z 749.00 b 673.06 e 182.00 97.50 0.50 0.00 0.00 23.89 c 215.00 468.50 780.50 3189.95
2002 882.50 0.00 z 676.00 263.50 79.00 6.50 0.00 0.00 22.50 402.00 0.00 z 912.50 3244.50
2003 800.00 803.50 575.50 257.50 78.50 15.50 0.00 7.00 44.00 190.13 a 624.00 814.00 4209.63
2004 892.50 812.00 437.00 334.00 78.00 2.00 12.50 4.00 37.50 193.48 b 704.50 888.50 4395.98
2005 889.00 729.00 639.00 372.00 0.00 z 13.50 0.50 9.50 26.00 248.50 527.50 916.00 4370.50
2006 748.00 750.00 553.87 a 175.50 96.50 0.00 0.00 0.00 74.50 297.50 418.00 f 358.00 s 2695.87
2007 1097.50 831.50 400.00 419.46 b 99.50 7.50 0.00 0.00 23.50 196.50 589.50 999.50 4664.46
2008 950.50 813.00 610.50 353.50 142.00 0.00 1.00 5.00 51.50 299.50 520.00 954.50 4701.00
2009 898.00 621.00 532.00 351.50 130.00 12.50 g 0.00 0.00 83.00 561.00 289.00 l 521.50 m 3176.50
2010 934.00 1023.50 635.00 278.50 161.00 0.50 1.00 11.00 9.50 122.50 g 0.00 z 826.00 3880.00
2011 685.50 g 574.50 f 538.07 c 385.00 c 157.00 q 0.00 g 0.00 k 0.00 y 24.50 n 11.50 z 0.00 z 637.50 k 923.07
2012 780.34 b 650.50 f 220.50 n 116.00 h 70.02 b 0.00 e 0.00 a 0.00 p 24.00 q 102.00 w 0.00 z 0.00 z 850.36
Period of Record Statistics
MEAN 951.73 761.45 618.95 321.93 107.92 11.03 1.21 2.16 51.81 258.45 608.10 892.07 4624.24
S.D. 122.03 120.78 111.92 88.38 45.78 13.35 2.70 4.43 33.14 84.44 100.65 106.73 286.61
SKEW 0.63 0.24 0.48 0.27 0.46 1.87 2.66 2.48 0.87 0.54 0.26 0.75 -0.36
MAX 1290.00 1046.00 941.50 546.50 202.02 58.50 12.50 20.00 141.00 561.00 871.50 1267.00 5292.50
MIN 689.00 500.00 400.00 158.00 21.50 0.00 0.00 0.00 5.00 16.53 390.00 705.00 3833.98
NO YRS 62 60 65 64 62 67 67 67 66 62 58 61 42