PECOS, TEXAS

Monthly Total Heating Degree Days

(416892)

Base Temperature = 65 F

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 200008
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
1904 591.50 276.50 98.50 36.00 119.00 0.00 z 0.00 o 0.00 z 0.00 z 0.00 z 372.50 521.50 2015.50
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 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
1907 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
1908 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
1909 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
1910 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
1911 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
1912 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
1913 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 316.55 a 723.00 1039.55
1914 529.58 a 709.50 739.50 507.00 151.50 0.00 d 0.00 0.00 g 4.00 105.50 317.00 706.50 3770.08
1915 692.00 432.50 534.00 82.50 12.40 a 0.00 0.00 a 0.00 2.00 58.00 312.00 508.00 2633.40
1916 443.50 364.50 126.50 116.50 21.50 0.00 0.00 0.00 11.00 84.50 445.50 575.50 2189.00
1917 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
1918 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
1919 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
1920 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
1921 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
1922 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
1923 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
1924 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
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 1.00 0.00 0.00 0.00 37.50 348.50 614.00 1001.00
1935 543.00 512.50 220.50 77.50 51.00 0.00 0.00 0.00 18.00 103.00 441.00 670.00 2636.50
1936 664.00 475.50 188.50 106.00 0.00 0.00 0.00 a 0.00 33.50 167.50 435.00 264.50 r 2070.00
1937 0.00 z 660.00 412.00 0.00 z 1.50 0.00 a 0.00 0.00 2.50 60.00 430.00 654.00 2220.00
1938 597.00 342.00 231.00 111.00 18.00 0.00 0.00 0.00 0.00 54.50 499.50 670.50 2523.50
1939 607.50 588.00 130.50 57.50 0.00 0.00 0.00 0.00 0.00 50.00 416.00 439.00 2288.50
1940 721.00 466.50 238.50 37.50 23.50 0.00 0.00 0.00 a 0.50 96.50 418.50 425.00 2427.50
1941 450.00 454.50 409.50 96.50 6.50 0.00 0.00 0.00 3.00 59.00 341.50 566.00 2386.50
1942 711.50 526.00 375.00 52.00 11.00 0.00 0.00 0.00 a 17.50 72.00 283.50 492.00 2540.50
1943 611.00 372.00 342.00 19.00 11.00 0.00 0.00 0.00 4.00 65.50 416.50 706.00 2547.00
1944 685.00 386.50 323.50 86.50 5.50 0.00 0.00 0.00 2.00 55.00 382.50 713.00 2639.50
1945 570.50 396.67 a 211.50 87.00 1.00 0.00 z 0.00 0.00 28.00 106.43 a 330.00 662.00 2393.10
1946 0.00 z 0.00 z 226.50 6.50 9.00 0.00 0.00 0.00 0.00 a 13.00 415.50 536.00 1206.50
1947 743.48 a 573.00 361.00 102.50 0.00 0.00 0.00 n 0.00 0.00 3.50 419.50 625.50 2828.48
1948 798.77 a 477.46 a 347.72 a 24.50 3.00 0.00 0.00 0.00 7.50 75.00 447.50 449.00 2630.45
1949 836.00 446.88 c 209.00 143.50 0.00 0.00 0.00 0.00 0.00 127.62 a 239.00 595.00 2597.00
1950 458.00 310.00 181.00 66.00 4.50 0.00 0.00 0.00 0.00 3.50 362.00 536.30 a 1921.30
1951 679.50 462.00 303.80 a 101.50 11.37 a 0.00 a 0.00 0.00 2.07 a 18.60 a 364.14 a 431.93 a 2374.91
1952 443.96 c 413.25 a 280.50 14.50 h 0.00 z 0.00 f 0.00 c 0.00 25.50 140.02 a 0.00 z 0.00 z 1303.23
1953 0.00 z 537.19 a 268.00 0.00 z 48.00 0.00 0.00 0.00 0.00 c 90.00 349.00 743.00 2035.19
1954 539.00 361.50 312.00 42.50 32.00 0.00 0.00 0.00 0.00 98.50 346.55 a 581.25 c 2313.30
1955 707.00 511.26 a 270.22 a 76.50 5.00 0.00 0.00 0.00 0.00 68.00 358.00 551.00 2546.98
1956 596.00 555.00 247.50 123.00 0.00 0.00 0.00 0.00 0.00 48.50 460.00 548.50 2578.50
1957 570.40 a 251.00 221.50 141.50 10.50 0.00 0.00 0.00 1.00 121.50 462.50 520.50 2300.40
1958 698.50 479.50 434.00 102.00 15.00 0.00 0.00 0.00 8.00 122.00 353.50 645.50 2858.00
1959 689.50 481.00 331.00 142.50 4.50 0.00 0.00 0.00 0.00 81.00 532.50 587.50 2849.50
1960 696.00 582.00 389.00 71.50 21.00 0.00 0.00 0.00 0.00 68.00 328.00 768.80 a 2924.30
1961 770.00 458.50 293.50 133.00 2.00 0.50 0.00 0.00 2.68 b 72.00 473.50 602.43 a 2808.11
1962 798.50 282.50 391.50 64.50 6.00 0.00 0.00 0.00 1.00 58.50 285.50 567.00 2455.00
1963 760.00 405.50 246.50 44.50 6.00 0.00 0.00 0.00 15.50 9.00 337.50 785.50 2610.00
1964 733.00 627.00 265.05 a 67.50 2.50 0.00 0.00 0.00 2.00 80.50 323.79 a 570.00 2671.34
1965 520.00 554.00 445.00 21.50 7.50 0.00 0.00 0.00 1.00 70.00 0.00 z 480.50 2099.50
1966 762.50 589.50 241.50 71.00 24.00 0.00 0.00 1.00 0.00 148.50 198.00 644.00 2680.00
1967 650.00 439.50 152.00 5.50 31.00 0.00 0.00 0.00 10.50 90.50 292.00 678.00 2349.00
1968 632.50 509.00 365.00 88.00 1.50 0.00 0.00 0.00 0.50 84.50 413.50 603.50 2698.00
1969 537.50 397.50 496.50 32.50 8.00 0.00 0.00 0.00 0.00 165.00 405.00 514.50 2556.50
1970 670.50 459.50 398.00 82.50 46.50 1.00 0.00 0.00 c 49.50 181.00 380.50 457.50 2726.50
1971 503.00 460.00 260.00 108.00 5.00 0.00 0.00 0.00 43.50 65.50 272.50 528.00 2245.50
1972 560.00 436.00 127.00 51.43 b 10.00 2.00 0.00 0.00 5.50 107.50 463.00 629.00 2391.43
1973 748.00 550.50 248.50 182.07 a 30.00 0.00 0.00 0.00 7.50 47.50 237.50 574.50 2626.07
1974 632.50 433.50 107.50 52.00 10.00 0.00 0.00 0.00 d 52.50 53.50 382.50 617.50 2341.50
1975 589.50 434.00 302.00 128.00 8.00 0.00 0.00 0.00 51.50 78.00 352.50 588.00 2531.50
1976 662.50 308.00 230.50 54.00 42.50 0.00 0.00 0.00 9.00 199.00 560.50 696.00 2762.00
1977 737.00 419.50 304.50 54.50 0.00 0.00 0.00 0.00 0.00 66.50 335.00 463.50 2380.50
1978 731.00 586.00 246.50 39.00 17.00 0.00 0.00 0.00 32.50 89.00 315.50 610.50 2667.00
1979 815.00 526.50 295.50 77.50 25.50 1.00 0.00 0.00 12.00 66.50 471.50 610.00 2901.00
1980 561.62 a 465.00 289.50 148.50 12.00 0.00 0.00 0.00 8.00 145.50 481.00 527.50 2638.62
1981 613.50 419.00 324.50 74.00 7.50 0.00 0.00 0.00 2.00 99.00 259.00 480.00 2278.50
1982 586.50 500.00 195.50 87.50 8.50 0.00 0.00 0.00 0.00 112.50 353.00 636.00 2479.50
1983 664.50 435.50 217.00 200.00 10.00 12.50 0.00 0.00 7.50 49.50 265.50 790.50 2652.50
1984 749.50 454.50 269.00 74.00 4.00 0.00 0.00 0.00 46.00 117.50 376.00 518.50 2609.00
1985 762.00 561.00 199.50 48.00 0.00 1.50 0.00 0.00 13.50 78.50 255.50 671.00 2590.50
1986 576.50 361.50 168.50 23.50 20.00 0.00 0.00 0.00 0.00 108.00 415.50 657.00 2330.50
1987 669.50 454.50 430.50 194.00 9.00 0.00 0.00 0.00 2.00 28.50 379.00 639.00 2806.00
1988 768.50 474.50 325.50 76.50 8.00 0.00 0.00 0.00 7.50 38.00 292.00 654.62 a 2645.12
1989 599.00 487.00 257.00 68.00 3.50 0.00 0.00 0.00 34.50 80.00 320.00 776.00 2625.00
1990 594.00 402.50 306.50 88.00 50.00 0.00 0.00 0.00 3.50 99.00 288.00 623.50 2455.00
1991 702.50 383.50 227.00 73.00 4.00 0.00 0.00 0.00 51.50 77.00 487.00 611.00 2616.50
1992 680.00 427.00 227.00 112.00 17.50 0.00 0.00 0.00 0.50 32.00 474.00 577.00 2547.00
1993 597.00 460.00 280.50 90.50 9.00 0.00 0.00 0.00 8.50 168.00 448.50 547.00 2609.00
1994 611.00 443.00 230.50 78.50 10.50 0.00 0.00 0.00 9.50 77.50 259.50 497.00 2217.00
1995 569.00 297.50 288.50 113.50 0.00 0.00 0.00 0.00 23.50 42.50 290.00 552.50 2177.00
1996 605.00 401.00 413.00 121.00 0.50 0.00 0.00 0.00 19.00 96.00 331.00 539.50 2526.00
1997 673.00 513.50 229.00 195.00 19.50 0.00 0.00 0.00 0.00 116.00 408.00 685.50 2839.50
1998 494.00 395.00 339.50 114.50 0.00 0.00 0.00 0.00 0.00 53.50 244.50 615.50 2256.50
1999 499.50 313.00 246.00 83.50 5.00 0.00 0.00 e 0.00 12.00 0.00 z 0.00 z 0.00 z 1159.00
2000 0.00 z 0.00 z 0.00 z 0.00 z 2.00 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2.00
Period of Record Statistics
MEAN 640.34 454.84 287.60 91.47 15.66 0.29 0.00 0.01 10.37 82.42 368.68 596.83 2534.59
S.D. 97.31 92.02 106.51 67.93 24.61 1.55 0.00 0.12 14.90 42.08 78.87 89.04 204.29
SKEW -0.12 0.17 1.24 3.60 3.69 7.44 0.00 8.06 1.66 0.54 0.13 0.16 -0.42
MAX 836.00 709.50 739.50 507.00 151.50 12.50 0.00 1.00 52.50 199.00 560.50 790.50 2924.30
MIN 443.50 251.00 98.50 5.50 0.00 0.00 0.00 0.00 0.00 3.50 198.00 425.00 1921.30
NO YRS 66 68 69 66 69 68 69 68 69 68 68 68 58