WINKLER CO AP, TEXAS

Monthly Total Heating Degree Days

(419830)

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
1938 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 0.00 0.00 46.50 475.00 618.40 b 1139.90
1939 519.00 577.50 201.50 105.00 13.00 0.00 0.00 0.00 1.00 67.00 446.00 531.00 2461.00
1940 833.00 457.00 207.50 82.00 7.00 0.00 a 0.00 z 0.00 1.00 66.50 411.00 523.50 2588.50
1941 569.00 422.50 380.50 113.00 20.00 0.00 0.00 0.00 1.50 f 62.50 330.50 542.50 2440.50
1942 696.00 487.00 355.00 96.00 16.50 0.00 0.00 0.00 30.00 94.07 b 289.00 514.94 d 2578.51
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 0.00 0.00 15.00 87.00 462.00 478.50 1042.50
1949 891.50 420.50 220.00 161.00 0.00 0.00 0.00 0.00 1.00 149.00 266.00 574.50 2683.50
1950 455.50 340.50 263.00 85.50 7.50 0.00 0.00 0.00 0.00 3.00 363.00 578.00 2096.00
1951 699.00 438.50 312.00 119.00 13.00 2.50 0.00 0.00 4.00 42.00 427.50 528.50 2586.00
1952 468.00 440.50 349.00 85.50 26.50 0.00 3.00 0.00 13.00 112.00 478.50 646.00 2622.00
1953 442.00 496.00 172.00 67.00 57.00 0.00 0.00 0.00 0.00 76.50 334.50 744.00 2389.00
1954 549.50 331.00 314.00 34.50 26.50 0.00 0.00 0.00 0.00 82.00 313.50 562.00 2213.00
1955 681.00 507.50 271.50 60.00 1.50 0.00 0.00 0.00 0.00 73.00 376.00 536.00 2506.50
1956 591.00 534.00 242.00 123.50 0.00 0.00 0.00 0.00 0.00 45.50 461.00 552.50 2549.50
1957 581.50 251.00 228.00 137.00 8.00 0.00 0.00 0.00 0.00 128.50 476.50 520.00 2330.50
1958 695.00 509.50 455.00 133.50 7.00 0.00 0.00 0.00 9.00 148.50 344.00 677.00 2978.50
1959 687.00 491.50 348.00 156.00 1.50 0.00 0.00 0.00 2.00 74.00 515.50 572.00 2847.50
1960 670.50 607.50 382.50 69.00 15.50 0.00 0.00 0.00 0.00 61.00 323.50 758.00 2887.50
1961 762.00 460.00 280.00 111.00 0.00 2.00 0.00 0.00 4.00 68.00 490.50 622.00 2799.50
1962 803.50 302.00 362.00 70.50 6.00 0.00 0.00 0.00 2.00 56.50 298.00 600.50 2501.00
1963 777.00 471.50 233.50 36.00 7.00 0.00 0.00 0.00 1.00 8.50 346.50 778.00 2659.00
1964 725.00 649.00 292.50 70.50 5.50 2.00 0.00 z 0.00 10.00 65.50 347.00 580.50 2747.50
1965 539.50 557.50 477.00 32.50 4.00 0.50 0.00 0.00 4.50 89.00 217.00 481.00 2402.50
1966 807.00 590.50 228.50 94.00 27.00 0.00 0.00 1.00 1.00 158.50 236.50 685.00 2829.00
1967 666.00 471.50 165.00 10.50 24.00 0.00 0.00 0.00 6.50 89.00 299.00 697.00 2428.50
1968 607.00 524.00 339.50 99.50 5.50 0.00 0.00 0.00 0.50 76.50 413.00 668.00 2733.50
1969 491.00 423.00 510.50 42.00 7.00 1.00 0.00 0.00 0.00 189.50 414.50 554.50 2633.00
1970 687.00 480.00 427.50 107.00 42.50 4.50 0.00 0.00 51.00 209.00 418.50 500.00 2927.00
1971 598.00 512.50 293.50 129.00 15.00 0.00 0.00 0.00 43.50 74.00 335.00 552.00 2552.50
1972 632.50 458.50 167.00 44.50 6.50 0.00 0.00 0.00 10.00 135.50 524.00 706.00 2684.50
1973 801.50 592.50 299.00 204.00 41.00 0.00 0.00 0.00 9.00 78.00 275.50 638.50 2939.00
1974 685.00 486.50 139.00 75.00 2.50 0.00 0.00 0.00 61.50 70.00 395.50 649.00 2564.00
1975 629.50 462.50 322.00 137.00 6.50 0.00 0.00 0.00 46.00 102.00 392.50 632.50 2730.50
1976 711.50 325.00 286.50 45.50 36.00 0.00 0.00 0.00 13.00 228.50 595.00 734.50 2975.50
1977 790.00 445.50 331.00 68.50 0.00 0.00 0.00 0.00 0.00 54.00 348.50 513.50 2551.00
1978 803.00 586.00 270.00 39.50 16.50 0.00 0.00 0.00 32.00 82.50 340.50 688.00 2858.00
1979 813.00 522.00 330.00 92.00 24.50 2.50 0.00 0.00 13.00 78.50 501.00 627.50 3004.00
1980 623.50 460.50 314.50 147.50 9.00 0.00 0.00 0.00 13.00 161.00 486.50 559.00 2774.50
1981 643.50 462.50 345.00 91.00 11.50 0.00 0.00 0.00 1.00 128.50 283.50 538.50 2505.00
1982 645.00 507.00 260.00 0.00 z 10.50 0.00 0.00 0.00 0.00 108.00 373.00 664.50 2568.00
1983 652.00 409.00 194.50 150.00 10.50 0.50 0.00 0.00 6.00 34.50 234.00 716.00 2407.00
1984 723.50 449.50 266.00 84.50 2.50 0.00 0.00 0.00 43.00 102.50 336.00 442.50 2450.00
1985 703.50 482.50 194.00 38.50 1.00 0.00 0.00 a 0.00 1.00 k 65.10 a 141.50 j 461.00 j 1484.60
1986 550.25 c 341.38 b 152.50 j 18.00 0.00 i 0.00 j 0.00 b 0.00 j 0.00 z 49.00 i 251.50 j 366.50 m 909.63
1987 447.00 i 412.22 a 243.50 n 180.52 a 8.00 o 0.00 0.00 0.00 j 2.00 7.50 i 273.00 i 439.00 i 594.74
1988 342.50 o 499.00 338.50 90.00 7.00 0.00 0.00 0.00 10.00 29.50 338.50 664.00 1976.50
1989 598.00 534.50 252.00 70.00 3.50 0.00 0.00 0.00 23.50 98.50 369.00 829.00 2778.00
1990 605.00 419.00 284.50 81.50 50.00 0.00 0.00 0.00 0.00 104.00 301.50 669.50 2515.00
1991 725.00 391.00 263.50 53.50 7.00 0.00 0.00 0.00 44.50 89.00 489.00 587.50 2650.00
1992 702.50 418.00 219.50 100.00 20.00 0.00 0.00 0.00 1.00 43.50 498.00 573.00 2575.50
1993 640.00 475.00 287.50 93.50 12.00 0.00 0.00 2.50 8.00 190.50 470.00 584.00 2763.00
1994 677.50 456.00 248.00 91.50 10.00 0.00 0.00 0.00 2.00 75.00 295.50 492.50 2348.00
1995 594.50 334.50 297.00 107.50 0.00 0.00 0.00 0.00 22.50 56.00 319.50 611.50 2343.00
1996 644.50 421.00 397.00 106.50 0.00 0.00 0.00 0.00 16.00 102.50 347.50 542.50 2577.50
1997 736.50 528.00 235.00 177.00 14.00 0.00 0.00 0.00 3.50 128.00 412.00 720.50 2954.50
1998 516.50 438.00 333.50 136.50 0.00 0.00 0.00 0.00 0.00 44.50 235.50 619.00 2323.50
1999 514.50 288.50 240.00 91.50 7.50 0.00 0.00 0.00 11.50 108.50 256.50 642.50 2161.00
2000 531.50 282.50 176.50 73.00 11.88 a 0.00 0.00 0.00 7.24 a 114.50 513.50 729.00 2439.62
2001 709.00 424.00 356.00 49.00 1.50 0.00 0.00 0.00 2.00 32.00 303.00 574.00 2450.50
2002 481.50 475.00 271.00 22.76 a 0.00 0.00 0.00 0.00 0.00 d 93.50 365.50 562.00 2271.26
2003 521.00 400.00 171.50 29.50 3.50 0.00 0.00 0.00 0.00 28.00 243.50 521.50 1918.50
2004 472.00 456.50 46.00 z 80.00 12.50 0.00 0.00 0.00 0.00 16.00 337.00 548.00 1922.00
2005 397.00 360.50 238.50 51.50 25.50 0.00 0.00 0.00 0.00 53.00 247.00 515.50 1888.50
2006 371.50 339.50 162.00 6.00 0.00 0.00 0.00 0.00 0.00 43.50 211.00 554.50 1688.00
2007 671.00 362.00 152.00 98.50 7.50 0.00 0.00 0.00 0.00 34.50 276.00 499.00 2100.50
2008 587.50 286.50 195.00 53.00 3.50 0.00 0.00 0.00 0.00 100.00 379.00 595.00 2199.50
2009 612.00 351.50 220.00 88.00 0.00 0.00 0.00 0.00 7.50 130.00 309.00 723.00 2441.00
2010 691.00 534.00 312.50 81.00 19.50 0.00 0.00 0.00 0.00 23.50 371.00 541.50 2574.00
2011 681.50 563.63 a 131.00 6.00 26.50 0.00 0.00 0.00 0.00 77.00 321.00 714.50 2521.13
2012 545.50 447.00 177.00 16.00 8.00 0.00 0.00 0.00 4.66 a 41.00 i 0.00 z 0.00 z 1198.16
Period of Record Statistics
MEAN 638.26 450.61 276.75 85.06 12.02 0.22 0.04 0.05 9.16 85.76 366.71 604.53 2536.53
S.D. 111.46 85.67 82.61 44.07 12.53 0.76 0.36 0.32 14.41 46.85 88.73 84.42 281.67
SKEW -0.17 -0.20 0.51 0.36 1.61 3.88 8.06 6.81 2.01 0.87 0.35 0.48 -0.63
MAX 891.50 649.00 510.50 204.00 57.00 4.50 3.00 2.50 61.50 228.50 595.00 829.00 3004.00
MIN 371.50 251.00 131.00 6.00 0.00 0.00 0.00 0.00 0.00 3.00 211.00 442.50 1688.00
NO YRS 66 68 65 67 66 69 68 68 67 67 66 66 58