LOS ALAMOS, NEW MEXICO

Monthly Total Heating Degree Days

(295084)

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
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 0.00 z 0.00 z 0.00
1914 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
1915 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
1916 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
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 135.00 s 286.50 0.00 z 235.00 r 925.50 946.00 f 1212.00
1919 1221.29 b 1038.15 b 928.00 537.60 e 214.50 g 110.50 44.00 25.50 173.50 550.50 841.00 1009.00 6479.05
1920 999.50 837.50 899.50 744.00 316.00 114.50 11.00 53.50 0.00 z 0.00 z 0.00 z 0.00 z 3975.50
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 102.50 w 316.41 b 63.00 e 0.00 e 0.52 a 80.00 i 388.57 b 849.64 b 0.00 z 1618.14
1923 366.50 t 910.61 e 789.00 f 582.78 c 279.52 a 81.00 e 20.67 d 56.50 l 187.00 f 0.00 z 0.00 z 872.00 g 1874.57
1924 1209.00 a 677.50 f 1021.85 d 423.00 h 358.29 e 42.93 a 66.50 n 34.62 a 209.44 c 330.50 i 722.59 a 1246.95 b 4845.67
1925 1280.54 e 908.44 a 745.00 489.81 d 245.33 b 80.50 32.00 99.41 b 214.82 b 540.29 c 901.03 a 1173.35 a 6710.52
1926 1323.50 889.78 a 911.50 630.52 a 447.20 d 89.46 b 77.50 b 25.26 d 150.60 e 421.27 c 760.18 b 1143.12 c 6869.89
1927 964.74 b 833.00 b 621.50 f 576.92 d 234.29 e 114.00 f 21.81 d 89.12 c 224.46 b 458.00 699.83 a 1236.56 d 5338.74
1928 1027.43 c 1019.83 e 757.50 670.56 c 373.72 d 83.50 h 19.00 f 80.94 d 155.77 d 410.75 c 891.43 b 1149.67 b 6537.60
1929 1191.78 d 1144.08 c 902.74 b 587.88 d 357.05 c 77.00 f 34.00 f 128.17 e 244.20 e 547.67 d 1089.60 e 866.00 g 6193.18
1930 1366.30 d 855.75 d 919.87 e 437.31 d 398.83 e 81.00 e 46.50 c 29.00 g 168.46 d 297.00 m 638.50 g 1169.65 e 5443.66
1931 1110.83 d 882.00 b 901.98 e 595.96 d 307.50 f 45.58 d 14.95 c 33.38 e 137.22 c 496.57 d 908.65 d 1253.20 d 6380.34
1932 1083.00 f 883.92 d 920.24 d 520.96 d 358.88 e 115.96 d 10.50 f 30.43 d 213.33 c 600.48 d 782.31 d 1233.44 e 5659.96
1933 1201.25 e 1152.08 d 762.37 d 699.00 e 406.44 d 100.38 d 4.17 e 42.48 d 104.42 d 362.50 f 772.20 e 749.50 f 5244.81
1934 1088.58 e 774.67 d 663.06 d 527.40 e 225.61 d 67.50 d 11.92 e 33.30 d 175.20 e 405.87 d 829.04 d 864.00 f 4802.14
1935 1018.83 e 892.96 e 833.42 e 611.40 e 444.91 d 56.40 e 13.78 d 44.20 d 234.00 e 571.12 e 934.62 d 977.50 f 5655.63
1936 1264.44 e 1029.50 d 869.19 e 615.00 e 171.50 i 49.20 e 4.17 e 4.02 d 137.50 j 574.07 d 531.50 i 751.50 g 4409.60
1937 1275.59 d 925.83 e 871.44 d 356.50 g 140.00 i 86.25 b 10.00 f 4.77 e 121.15 d 430.42 e 715.38 d 1001.76 d 5432.60
1938 814.50 g 852.83 d 791.07 d 548.08 d 330.27 e 51.92 d 33.98 e 6.31 d 182.22 c 436.38 e 915.56 c 1005.71 e 5154.35
1939 1142.23 e 1175.48 a 800.26 d 507.60 e 259.48 d 30.58 d 10.73 e 20.09 d 154.20 e 534.15 e 781.73 d 766.00 f 5416.54
1940 1169.96 d 1050.96 d 794.08 e 561.92 d 266.94 d 45.58 d 16.07 d 59.13 d 211.20 e 462.70 d 865.96 d 847.50 f 5504.51
1941 1210.19 e 910.00 d 896.62 e 704.42 d 304.46 c 177.69 d 36.37 e 42.33 e 234.60 e 602.20 d 817.80 e 1068.31 e 7004.99
1942 1130.31 e 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 1130.31
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 1159.29 b 1017.07 a 1020.50 479.50 245.93 a 68.50 4.00 13.00 85.50 463.50 945.00 1060.50 6562.30
1949 1320.50 1018.50 806.50 610.34 a 346.50 137.50 31.00 23.50 64.14 a 388.50 330.50 m 264.00 w 4746.98
1950 1101.02 a 819.50 707.66 b 289.50 146.50 9.50 0.00 0.00 46.00 49.00 m 680.50 841.00 4641.17
1951 1040.50 920.50 865.50 590.50 337.00 93.00 1.50 32.55 a 103.50 397.50 817.50 1080.50 6280.05
1952 1011.00 941.50 945.00 515.50 225.50 23.50 25.00 11.50 101.00 299.50 909.00 1205.00 6213.00
1953 848.00 899.11 a 700.50 532.00 418.00 15.56 c 10.50 26.00 37.50 407.50 715.00 1129.00 5738.67
1954 973.50 663.00 846.00 333.00 254.50 53.00 2.50 25.00 75.50 338.00 635.00 972.50 5171.50
1955 1147.00 1046.00 813.50 591.50 362.70 a 96.00 10.50 9.00 77.50 333.00 740.00 933.10 a 6159.80
1956 901.50 1030.50 738.00 565.00 161.00 1.50 3.50 38.50 36.00 391.50 890.50 1022.50 5780.00
1957 1046.50 717.00 822.00 644.50 470.17 a 91.00 21.00 51.00 159.00 575.00 1022.00 1023.00 6642.17
1958 1149.00 855.00 1038.00 704.50 263.50 31.50 12.50 29.50 158.00 472.00 757.50 881.00 6352.00
1959 1062.00 951.50 872.50 578.50 313.50 43.00 5.50 30.00 138.00 510.50 833.50 978.50 6317.00
1960 1251.50 1129.00 783.50 503.00 330.00 71.50 25.50 13.50 128.50 514.00 759.00 1143.50 6652.50
1961 1125.00 886.50 847.50 623.50 290.50 47.50 8.50 41.50 226.00 437.00 874.50 1156.50 6564.50
1962 1173.00 802.50 940.50 439.50 239.50 74.50 19.50 3.00 142.00 407.50 719.00 998.00 5958.50
1963 1250.00 907.50 860.50 540.50 172.00 96.50 0.00 32.00 90.50 320.50 728.50 1057.00 6055.50
1964 1220.00 1194.50 954.00 675.50 314.00 72.50 13.00 21.50 186.50 402.50 836.50 1116.50 7007.00
1965 1065.50 994.50 971.50 578.50 400.50 150.50 7.50 59.50 263.50 408.00 699.00 1028.00 6626.50
1966 1245.50 1098.00 766.00 539.50 224.50 72.50 0.00 36.50 142.00 461.00 694.50 1060.00 6340.00
1967 1089.50 860.00 646.00 534.00 358.00 111.50 10.00 69.00 201.50 416.50 724.00 1242.50 6262.50
1968 1088.00 870.50 821.50 692.00 361.00 69.50 35.50 92.50 182.50 420.00 861.50 1154.50 6649.00
1969 963.50 919.00 1008.00 529.50 267.00 135.50 3.50 12.00 159.50 609.50 841.00 982.00 6430.00
1970 1130.50 805.50 955.50 664.00 253.50 149.50 7.00 8.00 212.50 631.50 788.00 1016.00 6621.50
1971 1112.00 953.00 803.00 604.50 358.50 55.50 41.00 42.50 252.50 589.50 835.50 1172.00 6819.50
1972 1094.00 846.50 597.00 468.00 298.50 50.50 22.00 71.00 203.00 527.50 1037.00 1138.00 6353.00
1973 1205.50 976.50 975.00 761.00 359.00 120.00 27.00 14.00 165.50 434.00 702.50 1042.50 6782.50
1974 1200.00 1004.50 670.00 570.50 184.00 54.00 20.00 75.50 267.50 527.50 834.50 1184.50 6592.50
1975 1183.50 1004.50 867.00 697.00 380.50 86.00 21.00 24.00 249.50 488.50 847.00 1057.00 6905.50
1976 1127.00 808.00 854.50 589.00 344.50 86.00 30.00 79.00 258.00 639.00 893.50 1148.50 6857.00
1977 1261.00 909.50 925.00 543.00 307.50 21.50 16.00 32.50 123.00 403.50 737.00 929.50 6209.00
1978 1099.00 959.50 769.50 526.50 405.50 79.00 6.00 41.50 175.50 399.00 806.50 1202.50 6470.00
1979 1312.00 957.00 843.00 559.00 409.50 133.50 17.00 61.00 124.50 343.00 962.50 945.50 6667.50
1980 978.50 835.00 916.00 643.00 416.50 23.00 0.00 a 11.50 116.00 538.50 813.50 824.00 6115.50
1981 958.50 800.50 878.00 427.24 a 364.00 73.00 6.00 40.00 132.00 509.00 702.50 946.00 5836.74
1982 1118.50 963.00 832.50 561.50 389.50 60.00 7.50 18.50 203.50 563.50 863.00 1156.00 6737.00
1983 1046.00 901.50 846.00 739.50 440.50 125.00 12.00 9.50 110.50 451.50 816.00 1126.50 6624.50
1984 1185.00 948.50 881.50 666.50 177.50 76.55 a 1.50 21.50 173.00 674.00 815.00 1056.50 6677.05
1985 1163.53 a 1000.00 830.50 498.50 307.50 69.00 24.00 24.50 261.50 501.50 803.50 1028.50 6512.53
1986 854.50 805.00 658.50 524.00 316.00 117.50 31.00 25.00 242.50 571.50 845.50 1050.50 6041.50
1987 1172.50 939.00 909.00 532.50 375.00 59.50 7.00 90.00 189.00 357.00 822.50 1175.50 6628.50
1988 1245.50 884.00 850.00 544.50 366.00 74.00 20.00 53.50 210.50 357.00 818.00 1128.50 6551.50
1989 1153.00 902.00 625.50 368.50 189.00 77.50 24.00 37.50 142.00 497.50 758.50 1110.00 5885.00
1990 1167.50 950.00 763.00 525.00 331.00 21.50 42.00 80.50 151.00 490.50 823.00 1269.50 6614.50
1991 1252.50 845.00 897.00 585.50 319.00 132.50 51.50 63.50 248.00 456.50 947.50 1156.00 6954.50
1992 1240.50 950.00 767.50 451.00 333.00 131.00 44.50 79.00 157.00 395.00 1020.50 1278.50 6847.50
1993 1124.50 942.00 812.50 542.50 354.50 86.00 4.50 78.00 212.00 580.50 931.00 1085.00 6753.00
1994 1087.50 978.00 779.00 582.50 310.50 5.00 4.50 15.00 136.50 563.00 897.00 1006.00 6364.50
1995 1145.00 727.00 807.50 658.00 421.50 132.50 35.00 9.50 216.00 438.50 723.00 1025.50 6339.00
1996 1107.00 827.50 819.50 507.50 99.50 28.50 17.00 31.50 282.50 589.00 802.50 1071.00 6183.00
1997 1219.50 981.50 721.00 699.00 322.00 114.00 16.00 31.00 133.00 540.00 906.00 1230.00 6913.00
1998 1072.00 959.00 854.00 673.50 238.50 101.00 17.50 32.00 37.00 527.00 750.50 1017.50 6279.50
1999 953.00 788.50 732.00 658.50 380.50 122.00 14.00 36.50 200.00 436.00 638.50 1110.00 6069.50
2000 984.50 792.50 781.00 463.50 168.00 17.00 1.00 11.50 85.00 542.50 1032.00 1076.00 5954.50
2001 1205.50 905.00 810.00 485.00 195.00 35.50 0.00 30.00 80.00 398.00 739.50 1111.50 5995.00
2002 1092.50 942.50 821.00 370.50 226.50 13.50 0.50 7.00 181.00 552.00 840.00 1144.50 6191.50
2003 862.00 910.00 797.00 539.00 231.00 49.50 0.00 25.50 122.00 339.00 825.50 1057.50 5758.00
2004 1069.00 1116.50 635.00 604.50 195.50 55.50 29.50 46.00 188.50 534.00 875.50 1089.00 6438.50
2005 949.50 878.50 875.50 552.50 277.50 60.50 1.00 53.50 104.50 499.00 710.50 1030.50 5993.00
2006 995.50 823.50 790.50 410.00 156.50 18.50 14.00 38.00 294.00 516.00 735.50 1110.00 5902.00
2007 1234.00 930.50 663.00 561.00 322.00 69.00 0.00 2.50 130.00 410.50 698.00 1159.00 6179.50
2008 1276.50 941.50 778.50 551.50 327.50 37.50 9.50 40.00 137.50 446.50 735.50 1096.50 6378.50
2009 1032.50 783.50 742.00 564.00 203.00 118.00 13.00 26.00 201.00 568.50 698.00 1274.00 6223.50
2010 1159.50 1055.50 867.50 543.50 330.50 17.50 12.00 16.50 43.00 419.00 840.00 935.50 6240.00
2011 1116.00 990.50 618.00 480.00 339.50 7.50 0.00 0.00 156.50 481.00 789.50 1197.50 6176.00
2012 1008.53 a 958.50 638.50 397.00 173.00 1.50 2.00 2.50 133.50 384.00 670.50 1119.50 5489.03
2013 1231.50 958.50 160.50 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 0.00 z 2190.00
Period of Record Statistics
MEAN 1124.87 926.13 824.07 561.10 305.10 71.68 16.09 38.96 163.31 475.48 817.09 1090.05 6370.80
S.D. 113.82 103.29 99.64 93.10 82.15 40.31 14.82 37.85 62.02 84.52 96.55 101.49 382.59
SKEW -0.35 0.29 -0.21 -0.30 -0.30 0.25 1.34 3.54 -0.10 0.10 0.49 -0.28 -0.55
MAX 1366.30 1194.50 1038.00 761.00 470.17 177.69 77.50 286.50 294.00 674.00 1089.60 1278.50 7007.00
MIN 848.00 663.00 597.00 289.50 99.50 1.50 0.00 0.00 36.00 299.50 635.00 824.00 5171.50
NO YRS 85 86 84 84 83 84 82 86 83 81 83 76 66