DALHART EXP STN, TEXAS

Monthly Total Heating Degree Days

(412239)

Base Temperature = 65 F

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 195312
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
1905 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1906 696.50 542.50 676.50 269.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 530.50 2715.50
1907 601.50 0.00 z 277.50 0.00 z 159.81 b 10.00 0.00 0.00 b 12.93 a 199.50 584.00 741.50 2586.74
1908 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 10.50 0.00 65.50 357.50 0.00 z 0.00 z 433.50
1909 0.00 z 0.00 z 742.50 427.50 188.50 10.50 0.00 0.00 84.50 317.75 a 592.50 1192.47 a 3556.22
1910 906.00 945.00 408.50 325.00 189.00 10.50 0.00 14.00 4.50 277.50 589.50 936.50 4606.00
1911 797.50 936.00 556.00 326.00 86.50 0.00 0.00 25.50 3.50 371.50 770.00 1240.00 5112.50
1912 1238.50 961.66 a 896.00 404.50 135.50 37.00 0.00 0.00 170.50 319.00 671.00 1025.50 5859.16
1913 1100.50 1027.00 750.00 381.50 60.00 26.50 0.00 0.00 140.00 364.00 540.50 1096.00 5486.00
1914 747.50 818.00 641.50 351.50 136.50 4.00 0.00 0.00 17.50 292.00 572.50 1082.50 4663.50
1915 1022.50 784.50 0.00 z 0.00 z 218.50 30.00 7.00 10.00 44.00 263.50 607.50 912.00 3899.50
1916 995.50 747.50 477.50 406.03 a 132.00 16.00 0.00 1.50 51.00 359.50 769.50 1104.50 5060.53
1917 1031.50 808.50 735.00 396.50 284.00 30.00 0.00 6.00 43.00 375.50 532.00 980.50 5222.50
1918 1196.50 738.89 a 536.50 443.00 114.50 6.50 0.00 1.00 117.50 232.00 777.50 1129.00 5292.89
1919 1382.50 884.00 631.76 b 399.00 132.02 b 59.00 0.00 0.00 43.50 380.00 706.03 a 923.00 5540.81
1920 928.45 a 801.26 b 663.00 490.50 135.00 20.89 b 0.00 4.50 29.50 263.50 762.00 922.00 5020.60
1921 873.00 768.50 534.00 396.00 96.50 18.00 0.00 1.00 22.50 202.00 589.50 819.00 4320.00
1922 1122.00 824.50 726.50 362.00 118.00 20.50 0.00 0.00 8.50 287.00 654.00 864.50 4987.50
1923 780.50 912.50 777.00 349.00 154.50 5.50 0.00 2.00 18.00 422.50 694.50 1101.00 5217.00
1924 1044.00 802.00 971.50 385.18 b 239.00 11.00 5.50 1.03 a 81.11 c 254.00 584.50 1196.50 5575.32
1925 1055.50 673.00 491.35 a 236.50 91.50 0.00 1.00 0.50 55.50 509.00 646.50 959.00 4719.35
1926 1014.50 650.50 750.00 517.00 125.00 12.00 0.00 0.00 a 104.50 240.50 679.00 975.00 5068.00
1927 875.50 712.50 692.50 254.50 46.00 36.50 0.00 3.50 92.50 251.50 526.00 1135.63 a 4626.63
1928 915.50 894.00 603.00 417.50 135.50 39.50 0.00 5.50 42.00 277.50 781.50 976.50 5088.00
1929 1023.50 1083.70 a 668.50 311.00 188.00 5.50 0.00 0.00 82.50 291.00 958.00 903.00 5514.70
1930 1329.50 596.50 797.00 187.00 137.50 0.00 1.00 0.00 24.50 348.50 623.00 972.50 5017.00
1931 957.00 672.00 809.50 432.50 220.50 1.03 a 0.00 0.00 8.00 245.50 690.00 895.00 4931.03
1932 1079.00 639.50 834.00 310.00 61.50 10.50 0.00 0.50 74.00 340.00 671.00 1236.00 5256.00
1933 878.00 930.50 598.00 437.00 110.50 0.00 0.00 0.50 6.00 201.50 a 581.00 713.50 4456.50
1934 879.50 722.00 621.00 263.00 58.00 0.00 0.00 2.00 74.50 185.00 572.50 875.00 4252.50
1935 827.50 705.50 497.00 353.50 261.00 6.00 0.00 4.00 88.00 270.50 732.00 918.00 4663.00
1936 1043.00 1024.00 555.00 367.50 68.50 4.50 0.00 0.00 105.50 360.00 690.00 882.00 5100.00
1937 1220.00 831.50 759.50 358.50 67.00 29.00 0.00 0.00 33.00 263.00 691.50 968.00 5221.00
1938 917.00 804.50 535.50 372.50 115.50 0.00 0.00 0.00 8.50 203.50 762.50 921.00 4640.50
1939 873.00 1005.00 612.50 319.00 76.50 0.00 0.00 2.50 36.00 289.50 712.50 866.00 4792.50
1940 1300.45 a 815.50 636.00 357.00 79.50 9.00 0.00 0.00 28.50 172.00 760.00 842.50 5000.45
1941 917.00 755.00 752.50 381.50 126.00 17.00 0.00 0.00 87.00 316.50 587.50 882.50 4822.50
1942 998.50 896.00 699.00 309.83 a 163.50 16.50 0.00 2.00 96.00 355.00 574.00 891.50 5001.83
1943 960.00 677.50 768.50 241.50 205.50 8.50 0.00 0.00 32.00 325.00 698.50 1167.50 5084.50
1944 1136.50 820.50 742.50 472.50 129.00 15.50 3.00 0.50 40.00 261.00 631.50 1006.50 5259.00
1945 974.00 737.50 588.00 483.00 118.50 12.50 6.00 2.50 96.00 288.00 610.50 1013.50 4930.00
1946 980.00 747.50 547.00 140.50 155.00 22.00 0.00 9.00 62.00 281.00 715.50 776.50 4436.00
1947 1015.00 897.50 774.50 426.50 145.00 21.50 0.00 m 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3280.00
1948 1093.50 989.50 887.50 234.00 128.00 0.52 a 0.00 1.50 48.00 287.00 760.50 859.50 5289.52
1949 1240.50 829.00 626.50 377.00 106.50 11.00 0.00 0.00 16.50 299.50 455.50 957.00 4919.00
1950 904.50 672.00 714.50 329.50 106.50 22.50 0.50 11.00 52.50 117.00 635.00 881.00 4446.50
1951 1019.50 761.00 733.50 422.50 149.00 31.11 c 0.00 4.00 66.00 281.07 a 779.00 937.00 5183.68
1952 854.00 755.04 a 744.00 340.18 b 151.00 1.07 b 4.50 0.00 39.00 328.00 788.00 1008.00 5012.79
1953 727.47 a 818.00 513.05 a 411.50 220.50 0.00 0.00 0.00 20.00 238.00 607.00 970.62 b 4526.14
Period of Record Statistics
MEAN 988.55 809.30 664.19 359.48 137.52 13.81 0.85 2.52 53.83 290.52 664.81 960.58 4981.50
S.D. 167.60 121.77 134.16 80.02 55.08 13.26 2.23 4.76 38.54 70.84 94.49 140.61 361.65
SKEW 0.22 0.20 -0.32 -0.53 0.65 1.14 2.84 3.05 0.83 0.32 0.43 -0.19 0.02
MAX 1382.50 1083.70 971.50 517.00 284.00 59.00 10.50 25.50 170.50 509.00 958.00 1240.00 5859.16
MIN 601.50 542.50 277.50 140.50 46.00 0.00 0.00 0.00 3.50 117.00 455.50 530.50 4252.50
NO YRS 46 45 46 45 46 47 46 46 46 46 45 46 42