TULIA, TEXAS

Monthly Total Heating Degree Days

(419175)

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
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 344.00 p 723.00 723.00
1949 777.50 g 674.00 539.50 330.00 50.50 0.00 0.00 0.50 30.00 168.50 p 349.00 615.50 h 1973.50
1950 650.48 a 424.67 d 480.00 211.00 44.50 6.00 0.00 0.00 11.00 28.50 537.93 a 789.50 3183.58
1951 879.50 657.00 630.33 a 345.00 101.00 18.50 0.00 0.00 51.00 179.50 649.50 806.00 4317.33
1952 756.00 634.00 631.00 301.00 99.00 0.00 0.00 0.00 29.50 234.00 630.50 830.00 4145.00
1953 647.00 671.48 a 377.50 314.50 167.50 0.00 0.00 0.00 12.00 171.50 504.00 869.50 3734.98
1954 768.50 494.00 459.50 j 156.00 138.00 4.50 0.00 0.00 0.00 195.00 438.00 702.50 2896.50
1955 845.50 746.50 546.00 231.00 71.00 19.00 0.00 0.00 14.00 168.50 548.50 724.50 3914.50
1956 813.00 858.19 b 513.50 308.00 28.50 0.00 0.00 1.03 a 3.50 118.00 596.50 687.00 3927.22
1957 856.50 489.50 578.50 371.50 144.00 30.00 0.00 0.00 38.00 277.00 661.50 658.50 4105.00
1958 868.57 d 725.00 804.00 360.00 62.00 5.00 0.00 0.00 31.50 235.50 523.00 829.00 4443.57
1959 944.50 724.50 591.00 335.50 54.00 0.00 0.00 0.00 42.00 366.00 740.50 740.00 4538.00
1960 984.50 878.00 670.63 a 137.22 c 86.50 0.00 0.50 2.50 24.00 186.00 496.00 893.50 4359.36
1961 952.00 673.00 562.00 320.00 62.50 10.00 1.00 0.00 62.00 216.50 720.00 886.50 4465.50
1962 1053.50 545.50 621.00 257.00 21.50 9.50 0.00 0.00 31.50 179.50 513.50 751.50 3984.00
1963 1061.50 672.00 477.50 140.00 58.50 11.38 a 0.00 0.00 15.00 51.00 478.00 936.00 3900.88
1964 848.00 921.50 613.50 222.50 34.00 18.00 0.00 0.00 69.00 188.00 524.00 802.00 4240.50
1965 717.50 755.50 794.00 193.00 47.00 3.50 0.00 0.00 68.00 209.50 353.00 664.00 3805.00
1966 1071.50 808.00 447.50 287.00 113.00 0.50 0.00 26.50 15.50 267.50 425.00 864.00 4326.00
1967 784.50 699.50 364.00 129.50 129.00 7.00 0.00 0.00 32.50 221.50 529.00 885.50 3782.00
1968 799.00 772.00 537.00 327.50 104.50 3.00 0.00 1.50 17.50 177.00 583.50 826.50 4149.00
1969 743.50 679.50 805.00 219.50 75.00 21.50 0.00 0.00 8.00 364.00 560.50 744.00 4220.50
1970 948.00 609.50 692.50 319.50 66.00 37.00 2.50 0.00 72.50 339.50 577.00 644.50 4308.50
1971 789.50 729.50 561.00 288.50 83.50 0.00 1.50 0.00 110.50 179.50 501.00 765.50 4010.00
1972 833.00 651.00 365.50 174.83 a 85.00 0.50 8.50 1.00 40.50 239.50 769.50 924.00 4092.83
1973 999.50 722.50 551.00 441.50 118.00 1.50 1.00 0.00 67.50 155.00 441.50 767.50 4266.50
1974 884.50 633.50 347.50 220.50 41.50 3.00 0.00 0.00 138.50 195.50 561.00 860.50 3886.00
1975 840.00 798.00 609.00 317.50 75.00 12.00 0.00 0.00 106.50 176.00 535.50 733.50 4203.00
1976 838.50 482.00 526.50 200.50 152.50 1.50 0.00 0.00 46.00 409.50 697.50 830.50 4185.00
1977 1065.50 594.50 518.00 252.50 18.00 0.00 0.00 1.00 2.00 146.50 491.50 738.00 3827.50
1978 1079.00 944.50 547.50 143.00 126.00 7.50 0.00 0.50 38.50 177.50 546.50 936.00 4546.50
1979 1169.50 736.00 543.50 275.00 113.00 36.00 0.00 0.00 20.50 156.00 693.00 792.50 4535.00
1980 873.00 743.00 599.00 323.00 115.50 0.00 0.00 e 0.00 34.50 239.00 624.50 692.00 4243.50
1981 773.50 596.50 533.50 159.50 82.00 3.50 0.00 0.00 30.00 250.50 438.00 737.00 3604.00
1982 853.00 778.50 507.00 304.50 69.50 11.50 0.00 0.00 7.50 250.00 583.00 865.50 4230.00
1983 991.00 757.00 549.50 418.50 122.00 43.00 0.00 0.00 39.00 151.50 459.50 1155.00 4686.00
1984 926.00 657.50 599.00 351.00 62.00 0.50 0.00 0.00 103.50 289.50 558.00 748.00 4295.00
1985 962.00 793.00 488.00 178.00 51.00 6.50 0.00 0.00 98.50 246.50 578.00 950.00 4351.50
1986 689.00 659.50 407.50 180.50 76.00 2.50 0.00 0.50 19.50 281.50 632.00 838.50 3787.00
1987 938.50 643.00 645.00 310.50 68.00 8.50 0.00 9.50 17.50 213.50 541.00 903.00 4298.00
1988 1005.00 752.50 603.00 327.00 106.50 3.00 0.00 9.50 25.00 211.00 487.50 810.50 4340.50
1989 735.00 856.50 455.50 230.50 79.00 31.50 0.00 1.00 109.00 180.50 527.00 1040.00 4245.50
1990 784.50 656.50 557.00 278.00 157.50 0.00 1.00 0.00 12.00 255.00 473.50 951.50 4126.50
1991 970.50 565.50 464.50 192.00 65.00 0.50 0.50 0.00 101.00 217.50 734.00 810.00 4121.00
1992 874.50 573.00 462.50 218.00 97.50 8.50 0.00 2.00 34.00 163.00 700.00 904.50 4037.50
1993 959.00 767.00 581.00 309.00 89.50 1.00 0.00 0.00 38.50 297.50 718.50 808.50 4569.50
1994 876.00 769.00 495.00 298.00 101.50 0.00 0.00 3.50 23.00 216.00 528.50 712.00 4022.50
1995 819.50 574.50 569.50 317.00 106.00 12.00 0.00 2.50 95.00 219.50 504.00 796.50 4016.00
1996 880.00 631.50 655.50 282.50 18.50 0.00 1.50 0.00 57.50 237.00 552.00 781.00 4097.00
1997 901.58 a 741.00 460.50 442.00 95.50 3.00 0.00 4.00 37.50 274.50 653.50 913.00 4526.08
1998 752.50 643.50 662.00 365.00 38.00 16.50 0.00 0.00 8.50 152.50 484.00 819.50 3942.00
1999 768.00 536.50 584.50 300.00 139.00 3.00 0.00 0.00 77.00 215.50 411.67 c 831.50 3866.67
2000 762.00 538.00 469.00 254.00 61.50 8.50 0.00 0.00 57.50 205.00 740.00 1010.50 4106.00
2001 961.00 643.50 644.50 183.50 71.50 0.00 0.00 0.00 13.00 200.50 414.83 a 773.50 3905.83
2002 824.00 746.00 645.50 228.00 77.50 3.00 0.00 0.50 20.00 308.00 623.00 850.50 4326.00
2003 788.00 744.50 489.00 217.00 46.00 8.00 0.00 0.50 29.50 132.00 521.50 756.00 3732.00
2004 793.00 790.50 391.00 285.50 70.50 0.00 6.50 0.00 20.00 178.00 629.50 824.00 3988.50
2005 764.00 616.00 610.50 306.50 132.00 0.00 0.00 1.50 6.50 210.50 512.00 861.50 4021.00
2006 696.00 694.00 477.50 164.00 59.00 0.00 0.00 0.00 58.50 252.50 503.50 857.00 3762.00
2007 1037.00 722.00 379.00 404.00 86.00 4.50 0.00 0.00 4.00 177.50 519.00 853.50 4186.50
2008 878.00 678.50 525.50 300.00 88.00 0.00 0.00 1.00 27.00 223.00 499.00 811.00 4031.00
2009 845.50 531.50 195.00 r 69.50 o 0.00 z 0.00 z 0.00 z 0.00 53.50 333.50 449.00 994.50 3207.50
2010 936.50 885.50 573.50 262.00 133.50 0.00 0.00 9.50 3.00 167.50 574.50 752.00 4297.50
2011 934.50 823.00 451.50 183.00 120.00 0.00 0.00 0.00 24.00 218.00 537.50 956.50 4248.00
2012 747.10 a 743.00 352.50 114.50 67.50 0.00 0.00 0.00 45.50 170.00 h 0.00 z 0.00 z 2070.10
Period of Record Statistics
MEAN 869.69 691.49 544.09 266.93 84.48 7.07 0.39 1.25 40.29 215.74 553.76 824.98 4123.55
S.D. 114.27 109.67 103.95 79.19 35.76 10.14 1.39 3.84 32.23 67.57 96.58 97.63 272.25
SKEW 0.32 -0.07 0.27 0.06 0.26 1.92 4.70 5.01 1.09 0.29 0.33 0.69 -0.55
MAX 1169.50 944.50 805.00 442.00 167.50 43.00 8.50 26.50 138.50 409.50 769.50 1155.00 4686.00
MIN 647.00 424.67 347.50 114.50 18.00 0.00 0.00 0.00 0.00 28.50 349.00 644.50 3183.58
NO YRS 63 64 62 63 63 63 63 64 64 62 63 63 60