SAN JON, NEW MEXICO

Monthly Total Heating Degree Days

(297867)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1907 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 7.00 0.00 0.00 6.50 191.50 632.00 766.50 1603.50
1908 783.50 675.50 343.00 227.00 93.00 0.00 0.00 e 0.00 46.00 204.82 c 635.00 737.00 3744.82
1909 638.00 589.00 578.00 275.00 138.00 0.50 0.00 0.00 41.00 218.50 383.00 1042.50 3903.50
1910 734.50 749.50 290.50 202.50 109.50 1.50 0.00 1.50 0.00 204.00 447.50 788.50 3529.50
1911 592.00 738.50 428.50 213.62 a 55.50 0.00 0.00 14.00 0.00 332.22 a 655.50 1095.00 4124.84
1912 938.50 851.00 710.50 352.24 a 136.00 43.00 0.00 a 0.00 117.00 116.50 p 545.50 946.00 4639.74
1913 951.18 a 824.50 630.00 274.14 a 42.00 10.86 a 0.00 a 0.00 112.76 a 277.50 427.50 977.00 4527.44
1914 602.95 a 684.50 538.00 252.50 95.50 0.00 2.50 0.00 a 6.00 236.00 479.00 976.50 a 3873.45
1915 978.00 659.00 786.37 a 236.50 149.50 13.00 4.00 2.00 21.50 184.50 479.00 640.50 g 3513.37
1916 114.00 w 137.00 r 143.00 l 308.50 86.44 e 6.43 b 0.00 a 0.00 f 11.54 d 235.82 c 597.50 0.00 z 1246.23
1917 835.50 621.50 576.08 a 282.00 211.50 13.45 a 0.00 a 1.03 a 16.00 200.39 c 0.00 z 483.00 k 2757.46
1918 1007.00 546.56 c 387.00 343.00 70.27 a 6.60 e 0.00 b 0.00 h 51.50 f 185.40 e 691.07 b 1117.07 b 4353.97
1919 1137.00 690.67 a 547.31 b 309.81 d 124.00 b 54.11 b 0.00 0.00 a 68.65 d 0.00 z 0.00 z 0.00 z 2931.55
1920 920.91 b 649.91 a 621.19 e 316.50 h 58.00 g 7.78 c 0.00 a 2.14 b 5.17 a 151.50 f 690.58 d 809.58 e 3707.26
1921 746.14 b 0.00 z 466.79 e 272.50 f 68.95 b 23.40 e 0.00 e 0.00 d 16.07 b 235.27 c 406.07 b 618.85 d 2581.54
1922 983.73 a 706.09 e 552.50 i 260.50 f 66.50 g 9.83 a 0.00 b 0.00 a 5.69 a 95.00 g 567.86 b 692.50 2965.69
1923 630.91 d 768.96 a 651.00 a 245.69 a 78.61 c 2.00 f 0.00 b 0.00 e 0.00 z 357.50 630.52 a 1179.50 4542.68
1924 904.37 e 677.60 c 742.97 a 0.00 z 153.40 b 6.96 b 3.44 d 0.00 a 51.72 a 191.34 b 437.22 c 816.50 f 3169.02
1925 948.94 d 557.85 b 380.27 a 207.32 b 48.16 c 0.00 c 4.17 e 1.60 b 0.00 z 0.00 z 802.50 b 0.00 z 2950.82
1926 1012.31 b 520.80 c 641.91 b 293.50 h 89.50 p 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2175.02
1927 0.00 z 557.00 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 894.87 a 1451.87
1928 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 19.29 b 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 19.29
1929 675.50 f 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 488.00 j 0.00
1930 0.00 z 0.00 z 0.00 z 116.79 b 59.00 f 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 116.79
1931 912.00 0.00 z 0.00 z 310.86 a 178.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 576.00 807.00 2784.36
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1935 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
1936 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
1937 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
1938 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
1939 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
1940 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
1941 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
1942 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 21.00 z 0.00 z 0.00 z 0.00
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 667.76 a 0.00 z 667.76
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 409.50 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 409.50
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 0.00 z 0.00 z 0.00 z 0.00
1948 949.78 b 801.50 726.00 151.73 d 83.50 2.00 0.00 1.00 27.50 216.00 651.00 661.33 a 4271.34
1949 1077.00 664.22 a 449.50 306.00 58.90 a 2.00 0.00 k 0.00 b 2.50 250.00 399.00 834.42 a 4043.54
1950 706.00 506.50 475.50 221.00 66.50 14.50 0.00 0.00 25.00 48.50 478.50 753.50 3295.50
1951 831.00 575.00 513.00 307.24 a 86.28 a 16.50 0.00 0.00 a 23.50 183.50 628.45 a 748.00 3912.47
1952 676.00 604.50 571.00 247.50 79.50 0.00 0.00 0.00 a 23.57 b 206.50 685.00 856.00 3949.57
1953 602.36 b 690.15 a 365.05 b 270.50 194.86 c 0.00 e 0.00 0.00 12.50 203.00 514.50 879.76 b 3732.68
1954 787.29 b 224.50 n 514.08 a 122.59 a 113.00 1.00 0.00 0.00 a 7.24 a 222.00 477.50 749.50 2994.20
1955 860.50 740.00 482.64 b 227.07 a 88.57 c 23.79 a 0.00 b 0.00 34.00 193.00 528.50 646.00 3824.07
1956 717.13 a 808.50 462.93 a 267.41 a 22.50 0.00 0.00 4.00 3.50 128.00 620.50 748.50 3782.98
1957 746.00 437.00 529.00 347.50 78.00 25.00 c 0.00 d 0.00 18.50 257.00 679.66 a 645.32 a 3762.97
1958 890.00 638.50 764.50 367.50 46.00 0.50 0.00 0.00 a 34.50 249.00 510.50 793.00 4294.00
1959 938.27 a 655.00 550.50 283.50 48.05 a 4.00 1.50 0.00 40.34 a 279.00 575.17 a 802.50 4177.83
1960 1004.50 889.16 a 595.50 208.50 101.86 c 2.59 a 7.50 3.62 a 23.28 a 217.52 a 516.35 d 974.36 b 4544.72
1961 957.90 a 681.50 286.50 n 106.00 o 57.00 f 11.11 c 0.00 0.00 61.50 211.50 685.00 870.00 3478.51
1962 966.00 532.00 590.50 243.00 15.50 15.50 0.00 0.00 7.50 160.00 500.50 751.00 3781.50
1963 1033.00 663.00 504.00 104.50 34.50 5.00 0.00 0.00 4.50 52.00 439.50 936.00 3776.00
1964 810.00 926.50 593.00 260.00 40.00 3.50 0.00 0.00 35.50 117.00 496.00 745.00 4026.50
1965 687.00 721.00 733.00 191.00 57.50 10.50 0.00 0.00 60.50 202.00 343.50 702.00 3708.00
1966 1032.50 766.00 406.50 211.50 47.50 0.00 0.00 13.50 2.50 238.50 426.00 887.00 4031.50
1967 728.00 653.00 321.00 124.50 84.00 11.50 0.00 4.00 14.00 157.00 504.50 911.00 3512.50
1968 749.50 705.00 513.00 284.50 76.00 0.00 0.00 0.00 6.00 134.00 561.00 768.50 3797.50
1969 598.50 629.00 727.50 173.00 68.00 12.50 0.00 0.00 3.00 323.00 551.00 754.00 3839.50
1970 915.50 579.50 652.50 320.17 a 22.00 32.00 0.00 0.00 66.50 351.50 499.00 630.50 4069.17
1971 823.50 686.50 477.50 246.00 76.00 0.00 2.00 0.00 102.00 223.00 505.50 759.00 3901.00
1972 759.00 573.00 339.00 149.00 58.00 0.00 6.00 3.50 38.50 261.00 768.00 848.50 3803.50
1973 933.00 702.50 0.00 z 432.50 108.50 2.00 0.00 0.00 63.00 151.00 370.00 790.50 3553.00
1974 820.50 607.00 266.50 212.50 12.00 2.00 0.00 2.00 93.50 182.00 547.50 865.00 3610.50
1975 826.00 733.00 508.50 291.50 62.00 23.79 a 0.00 0.00 75.00 142.50 549.50 715.00 3926.79
1976 806.00 444.00 479.00 159.50 97.50 0.00 0.00 0.00 33.50 337.50 672.50 788.50 3818.00
1977 993.00 609.00 508.50 217.00 7.00 0.00 0.00 0.00 0.50 120.00 466.00 646.50 3567.50
1978 952.50 810.50 455.50 121.50 105.50 7.00 0.00 0.00 36.00 162.00 0.00 z 930.00 3580.50
1979 1111.50 627.00 482.00 257.50 81.00 24.50 0.00 0.00 17.50 123.50 681.00 745.50 4151.00
1980 820.00 659.50 531.00 322.00 96.00 0.00 a 0.00 0.00 24.83 a 222.34 b 588.50 577.50 3841.67
1981 740.00 548.00 478.00 110.00 50.00 0.00 0.00 0.00 12.50 208.50 391.50 688.00 3226.50
1982 739.00 683.50 452.50 246.00 57.00 0.50 0.00 0.00 6.50 200.00 552.50 875.00 3812.50
1983 854.50 688.00 519.50 386.00 128.00 17.00 0.00 0.00 17.00 145.00 431.50 1028.50 4215.00
1984 890.00 603.50 560.00 315.50 28.00 0.00 0.00 0.00 75.50 269.50 502.00 732.00 3976.00
1985 957.50 695.00 433.00 173.00 28.50 3.00 0.00 0.00 65.00 186.00 499.50 902.00 3942.50
1986 654.50 679.00 355.50 176.00 78.50 5.00 0.00 0.00 7.24 a 253.50 611.00 853.00 3673.24
1987 930.00 624.50 577.50 271.00 54.00 0.00 0.00 0.50 5.00 166.50 560.00 894.50 4083.50
1988 938.00 677.36 a 542.00 265.50 80.50 3.00 0.00 9.00 23.50 157.00 439.50 821.50 3956.86
1989 716.00 787.50 310.00 155.00 43.50 11.50 0.00 0.00 68.00 166.00 473.50 966.00 3697.00
1990 826.00 661.00 517.00 225.50 115.50 0.00 0.00 0.00 9.50 187.50 461.00 926.50 3929.50
1991 955.50 524.00 464.00 212.50 42.00 0.00 2.00 0.00 59.50 216.00 658.00 785.50 3919.00
1992 861.00 567.00 409.00 147.50 76.00 11.00 0.00 0.50 16.50 133.50 669.00 823.00 3714.00
1993 845.00 711.50 491.00 260.00 72.00 2.50 0.00 0.50 19.00 256.00 624.50 0.00 z 3282.00
1994 800.50 618.50 456.00 230.00 61.50 0.00 0.00 0.00 16.50 203.00 472.00 672.50 3530.50
1995 756.50 493.00 468.00 277.00 69.00 1.00 0.00 0.00 41.00 142.50 417.00 744.50 3409.50
1996 790.00 564.50 542.50 187.50 4.00 0.00 0.00 0.00 47.50 236.00 527.50 733.50 3633.00
1997 910.50 708.50 396.00 432.00 69.50 0.50 0.00 0.00 20.50 219.50 624.50 975.00 4356.50
1998 719.50 632.50 595.50 320.00 25.50 5.00 0.00 0.00 0.00 154.50 431.00 765.50 3649.00
1999 672.00 475.00 489.50 300.50 94.50 0.50 0.00 0.00 44.00 184.50 348.00 797.50 3406.00
2000 661.00 414.00 411.50 137.50 38.00 0.00 0.00 a 0.00 19.66 a 218.03 a 638.00 800.32 a 3338.01
2001 829.00 592.00 562.50 103.50 67.88 b 0.00 0.00 0.00 1.55 a 151.26 b 378.00 713.00 a 3398.69
2002 720.50 660.50 522.50 137.50 33.00 0.00 0.00 0.00 7.00 273.50 578.00 820.00 3752.50
2003 697.50 660.50 393.00 180.00 20.00 6.00 0.00 1.00 10.50 88.00 436.00 0.00 z 2492.50
2004 714.00 717.50 323.50 277.50 43.50 g 0.00 8.00 0.00 b 34.00 197.50 613.00 772.00 3657.00
2005 675.50 611.50 585.00 265.50 118.00 1.50 0.00 0.00 11.00 214.50 411.50 791.50 3685.50
2006 637.50 623.00 426.50 118.50 37.50 0.00 0.00 0.00 39.00 204.00 422.00 832.50 3340.50
2007 1046.00 630.54 b 359.50 315.50 68.72 a 5.00 0.00 0.00 3.50 128.00 467.07 a 787.00 3810.82
2008 813.50 611.59 a 432.45 a 222.32 b 65.10 a 0.00 0.00 1.00 12.50 200.00 440.50 725.50 3524.46
2009 733.50 475.50 395.00 272.59 a 69.23 a 0.00 0.00 a 0.00 d 30.50 293.50 413.00 986.50 3669.32
2010 850.00 864.64 c 513.10 b 186.72 a 86.50 0.00 0.00 1.50 0.50 128.50 494.50 605.50 3731.47
2011 822.00 743.50 356.50 a 121.03 a 80.60 a 0.00 a 0.00 a 0.00 14.50 189.21 b 438.62 a 960.48 a 3726.45
2012 655.50 661.50 263.50 90.00 44.50 0.00 0.00 a 0.00 18.50 188.00 351.50 698.50 2971.50
2013 832.00 662.67 a 424.00 38.50 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 1918.67
Period of Record Statistics
MEAN 830.70 653.71 498.07 236.57 74.52 6.54 0.50 0.83 28.10 201.75 529.46 815.88 3801.48
S.D. 131.23 101.25 117.33 77.73 40.68 10.03 1.55 2.45 27.25 60.66 104.94 122.31 299.28
SKEW 0.12 0.12 0.34 0.14 0.96 2.35 3.47 4.19 1.36 0.22 0.30 0.60 0.05
MAX 1137.00 926.50 786.37 432.50 211.50 54.11 8.00 14.00 117.00 357.50 802.50 1179.50 4544.72
MIN 592.00 414.00 263.50 90.00 4.00 0.00 0.00 0.00 0.00 48.50 343.50 577.50 2971.50
NO YRS 85 83 82 80 80 84 83 82 82 79 83 78 63