FORT SUMNER, NEW MEXICO

Monthly Total Heating Degree Days

(293294)

Base Temperature = 65 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1914 643.50 690.50 595.00 280.50 70.00 0.00 0.50 0.00 a 25.00 276.00 490.00 990.00 4061.00
1915 900.00 654.50 739.50 258.50 156.00 5.00 0.00 2.50 26.00 264.00 564.00 722.00 4292.00
1916 872.50 571.00 377.50 273.50 79.00 0.00 0.00 a 0.00 20.50 260.50 580.50 856.00 3891.00
1917 784.50 569.00 547.00 237.00 198.00 0.00 z 0.00 0.00 24.50 0.00 z 169.50 r 758.50 3118.50
1918 1065.00 582.00 358.00 325.50 23.50 0.00 0.00 0.00 37.00 0.00 z 766.50 1036.00 4193.50
1919 0.00 z 691.00 535.50 252.50 23.00 48.00 0.00 0.00 28.50 272.00 545.00 785.00 3180.50
1920 773.00 589.50 431.50 f 312.00 66.00 0.00 z 0.00 0.00 0.50 338.50 681.00 854.50 3615.00
1921 744.00 609.50 367.50 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 1721.00
1922 942.00 678.50 588.50 241.00 34.00 7.50 0.00 0.00 0.00 192.50 550.00 663.00 3897.00
1923 626.50 700.50 0.00 z 232.50 67.50 0.00 0.00 0.00 2.50 289.00 597.50 955.00 3471.00
1924 916.00 0.00 z 739.50 284.50 100.50 2.00 1.50 0.00 42.50 211.50 461.00 1056.50 3815.50
1925 1033.00 524.00 375.50 0.00 z 33.58 a 0.00 0.50 0.00 39.00 0.00 z 584.00 858.00 3447.58
1926 886.50 532.00 565.75 a 294.00 57.35 a 0.00 0.00 0.00 a 63.50 0.00 z 283.50 m 777.50 3176.60
1927 0.00 z 0.00 z 471.00 0.00 z 0.00 z 12.00 0.00 z 0.00 z 68.00 0.00 z 0.00 z 0.00 z 551.00
1928 910.00 699.00 423.00 306.00 113.50 5.50 0.00 0.00 29.00 187.00 629.00 849.00 4151.00
1929 775.00 818.00 495.00 185.50 142.50 0.00 0.00 0.00 18.00 269.50 680.00 0.00 z 3383.50
1930 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 0.00 0.00 z 212.50 566.50 1004.00 1783.00
1931 844.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 0.00 z 1.00 0.00 z 579.00 0.00 z 1424.50
1932 0.00 z 504.50 0.00 z 189.50 41.00 0.00 0.00 0.00 z 51.50 218.00 630.00 1159.00 2793.50
1933 869.00 863.50 443.30 a 284.50 76.50 0.00 0.00 0.00 0.00 0.00 z 272.50 625.00 3434.30
1934 719.00 605.00 493.00 137.50 12.50 0.00 0.00 a 0.00 15.00 118.50 514.50 684.50 3299.50
1935 691.50 613.50 366.00 178.00 184.00 0.00 0.00 0.00 b 54.50 151.50 564.50 833.50 3637.00
1936 882.00 727.50 374.00 184.50 49.00 0.00 0.00 z 0.00 67.50 302.00 597.00 765.00 3948.50
1937 1032.50 585.50 684.07 a 229.50 35.00 4.50 0.00 0.00 0.00 0.00 z 605.50 790.00 3966.57
1938 835.50 611.00 410.50 322.50 77.50 0.00 0.00 0.00 0.00 126.50 618.50 724.00 3726.00
1939 749.50 789.25 d 463.40 b 213.50 19.00 0.00 0.00 0.00 4.50 233.02 a 639.50 668.50 3780.16
1940 936.50 684.50 410.50 239.00 30.00 0.00 0.00 0.00 0.00 172.50 644.48 a 678.00 3795.48
1941 763.50 563.63 a 582.11 d 300.50 59.50 2.50 0.00 0.00 49.50 235.50 493.50 767.00 3817.24
1942 865.00 754.00 570.50 280.00 92.45 c 0.00 0.00 0.00 58.50 202.50 406.50 710.50 3939.95
1943 811.00 547.50 532.17 a 117.00 70.78 a 0.00 0.00 0.00 9.00 254.20 a 602.50 909.50 3853.65
1944 886.50 654.00 523.50 306.00 61.50 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2431.50
1945 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 43.00 162.50 0.00 z 0.00 z 205.50
1946 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 a 20.00 163.02 b 568.27 d 646.50 1397.79
1947 822.00 682.37 a 537.33 a 256.00 40.50 0.00 0.00 z 0.00 z 0.56 c 97.50 0.00 z 785.85 a 3222.11
1948 896.42 a 771.72 b 622.00 129.50 38.00 0.00 0.00 0.00 h 23.50 200.00 607.00 715.58 a 4003.72
1949 1087.50 653.00 435.50 248.33 c 26.35 a 3.33 c 30.50 0.00 a 3.21 b 147.00 j 394.50 869.00 3751.23
1950 707.00 526.81 a 492.38 a 228.21 b 50.00 13.50 0.00 c 0.00 7.50 37.50 451.00 627.50 3141.41
1951 800.00 580.50 465.00 269.00 33.67 b 3.00 0.00 e 0.00 22.50 149.50 564.50 729.50 3617.17
1952 640.50 586.50 538.00 197.07 a 48.00 0.00 0.50 0.00 16.50 211.00 651.00 782.50 3671.57
1953 572.00 627.00 362.18 a 238.50 174.52 d 0.00 0.00 0.00 a 0.00 z 106.50 335.50 744.50 3160.70
1954 586.50 347.50 390.50 60.00 50.50 0.00 0.00 0.00 2.00 170.00 403.00 664.50 2674.50
1955 782.50 694.00 430.50 180.00 31.00 4.00 0.00 0.00 4.50 165.50 508.00 643.50 3443.50
1956 703.00 771.00 400.50 243.50 8.50 0.00 0.00 5.00 1.00 177.00 676.50 741.33 b 3727.33
1957 798.77 a 406.00 495.50 303.50 54.00 4.66 a 0.00 0.00 20.69 a 241.00 627.93 a 639.78 b 3591.82
1958 866.00 575.50 659.00 297.50 34.50 0.00 0.00 0.00 32.00 247.50 520.00 743.50 3975.50
1959 856.00 680.50 536.00 257.07 a 34.74 b 1.03 a 0.00 e 0.00 22.00 190.50 h 618.50 781.00 3786.84
1960 932.00 795.50 533.95 b 203.08 d 71.19 d 0.00 2.00 0.00 20.00 263.50 558.50 961.50 4341.21
1961 964.50 647.00 509.50 279.50 55.00 1.50 0.00 0.00 44.50 262.50 615.50 855.60 a 4235.10
1962 964.00 538.00 644.00 180.50 29.00 1.50 0.00 0.00 18.00 188.00 549.00 762.50 3874.50
1963 1024.00 641.85 b 508.50 177.00 34.10 a 8.28 a 0.00 d 0.00 6.96 b 136.40 a 514.00 923.00 3974.09
1964 924.12 b 898.00 601.00 261.00 41.69 b 5.69 a 0.00 0.00 a 23.00 193.75 a 543.62 a 758.00 4249.87
1965 686.65 a 705.00 663.50 192.50 43.50 3.62 a 0.00 0.00 49.00 253.50 386.38 a 753.00 3736.65
1966 1053.00 756.00 470.17 a 206.50 57.50 0.00 a 0.00 15.00 8.00 291.40 a 482.50 867.50 4207.57
1967 813.00 639.00 324.50 112.00 75.00 0.00 0.00 j 5.00 23.00 220.00 511.00 947.50 3670.00
1968 807.50 654.05 a 538.00 305.00 68.00 0.00 3.00 0.00 35.50 198.00 574.50 802.50 3986.05
1969 633.29 c 641.41 a 0.00 z 167.68 b 84.45 b 9.00 0.00 0.00 a 1.00 332.50 572.00 725.50 3166.82
1970 859.73 a 561.00 0.00 z 291.00 70.55 b 17.50 0.00 a 0.00 z 65.00 352.22 b 521.00 0.00 z 2738.01
1971 724.92 e 678.16 c 457.50 269.48 a 85.77 a 0.00 j 0.00 0.00 a 72.50 275.50 339.50 j 789.50 3353.33
1972 781.20 a 645.25 c 353.73 c 182.78 c 47.53 a 0.00 1.55 a 0.50 33.62 a 259.50 756.50 850.95 a 3913.11
1973 917.50 713.48 a 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 1630.98
1974 0.00 z 0.00 z 347.95 b 220.00 12.50 4.00 0.00 4.00 108.00 195.00 542.50 615.50 h 1433.95
1975 798.50 675.11 a 376.00 f 382.24 a 86.00 6.00 0.00 0.00 80.00 145.00 g 550.50 769.50 3347.85
1976 856.93 c 0.00 z 0.00 z 0.00 z 0.00 z 0.00 b 0.00 0.00 34.00 403.50 708.50 889.50 2892.43
1977 967.00 618.50 595.00 231.00 38.00 0.00 0.00 0.00 0.00 191.00 495.00 647.50 3783.00
1978 967.50 784.00 499.50 157.00 95.00 4.00 0.00 0.00 43.50 229.00 517.00 912.00 4208.50
1979 1063.00 705.50 528.50 250.50 93.50 32.00 0.00 0.00 44.00 193.50 692.00 805.50 4408.00
1980 776.00 664.50 575.50 332.50 87.00 0.00 0.00 0.00 24.00 281.00 592.50 649.00 3982.00
1981 756.50 587.00 522.00 168.00 61.00 2.50 0.00 2.00 18.00 226.50 429.50 691.00 3464.00
1982 826.00 709.00 478.50 241.00 86.00 0.50 0.00 0.00 26.50 270.50 601.50 889.00 4128.50
1983 877.00 626.50 516.50 401.00 115.50 23.50 0.00 0.00 30.00 169.50 468.00 1031.50 4259.00
1984 890.50 653.50 555.00 329.00 51.00 0.00 0.00 0.00 80.00 326.00 532.50 793.50 4211.00
1985 919.00 709.00 426.00 180.00 64.00 12.50 0.00 0.00 66.50 237.00 468.50 878.50 3961.00
1986 695.00 602.00 384.50 186.00 71.30 a 6.50 0.00 0.00 20.00 289.00 587.00 844.00 3685.30
1987 933.50 635.00 614.00 333.50 72.00 4.50 0.00 6.50 30.00 187.00 555.50 878.00 4249.50
1988 958.00 632.50 548.00 278.00 90.00 5.50 0.00 6.50 31.00 168.00 478.50 896.50 4092.50
1989 764.00 723.00 380.00 184.50 29.50 9.50 0.00 0.00 71.00 217.50 503.50 959.00 3841.50
1990 830.50 646.00 524.50 224.00 113.50 0.00 0.00 0.00 11.50 227.50 487.00 911.00 3975.50
1991 897.50 547.50 475.00 223.00 42.00 0.50 0.00 0.00 98.00 239.50 646.00 837.50 4006.50
1992 909.00 586.00 442.50 201.50 93.50 11.50 0.00 0.00 41.50 165.50 669.50 861.50 3982.00
1993 818.00 668.00 480.50 249.00 83.00 0.00 0.00 0.00 43.50 312.00 669.50 780.50 4104.00
1994 808.00 690.00 475.00 268.50 71.50 0.00 0.00 0.00 23.00 234.50 518.00 663.50 3752.00
1995 767.00 475.50 493.50 311.00 75.50 0.00 0.00 0.00 53.50 212.50 463.50 718.50 3570.50
1996 758.00 588.50 565.50 242.50 6.00 0.00 0.00 l 0.00 61.00 260.50 527.00 711.50 3720.50
1997 913.00 715.00 427.00 407.00 63.50 2.50 0.00 0.00 31.00 250.00 615.00 980.50 4404.50
1998 803.50 586.50 578.50 320.50 28.00 1.00 0.00 0.00 0.00 165.00 465.00 785.00 3733.00
1999 682.50 507.50 462.00 296.00 89.50 5.50 0.00 0.00 55.00 233.50 458.50 836.50 3626.50
2000 697.50 436.00 439.50 194.00 53.00 0.00 0.00 0.00 42.50 262.50 703.50 144.50 z 2828.50
2001 880.18 c 606.50 497.50 197.00 72.50 1.00 0.00 0.00 0.50 171.05 c 451.00 817.00 3694.23
2002 755.50 688.00 524.00 101.50 20.00 0.00 0.00 0.00 17.00 280.00 141.00 u 0.00 z 2386.00
2003 728.50 662.50 425.50 185.00 40.50 0.00 0.00 0.00 20.00 111.50 474.00 758.00 3405.50
2004 752.50 767.00 348.50 274.00 61.00 0.00 2.00 0.00 35.00 203.50 603.50 816.00 3863.00
2005 669.00 620.50 537.00 258.00 112.00 0.00 0.00 0.00 8.00 231.50 478.50 802.00 3716.50
2006 695.50 625.00 446.50 130.50 35.00 0.00 b 0.00 j 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1932.50
Period of Record Statistics
MEAN 829.94 642.00 495.23 239.98 64.39 3.45 0.50 0.57 29.91 221.63 552.75 807.46 3868.03
S.D. 115.02 93.79 91.94 66.62 37.61 7.26 3.35 2.09 24.56 62.98 91.54 111.97 322.58
SKEW 0.06 -0.17 0.37 -0.05 1.31 3.84 8.71 4.86 0.84 0.00 -0.24 0.58 -0.94
MAX 1087.50 898.00 739.50 407.00 198.00 48.00 30.50 15.00 108.00 403.50 766.50 1159.00 4408.00
MIN 572.00 347.50 324.50 60.00 6.00 0.00 0.00 0.00 0.00 37.50 272.50 625.00 2674.50
NO YRS 86 85 81 84 85 86 84 83 87 78 82 81 56