CARLSBAD, NEW MEXICO

Monthly Total Heating Degree Days

(291469)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
1900 0.00 z 450.00 292.00 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 742.00
1901 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 k 0.00 a 0.00 b 4.50 p 40.30 a 244.04 d 566.50 850.84
1902 594.00 342.50 323.00 17.00 0.00 0.00 0.00 0.00 0.50 39.00 310.38 d 604.00 2230.38
1903 609.67 a 638.00 351.00 76.00 14.39 c 27.00 0.00 a 0.00 c 8.79 a 68.41 b 250.00 574.00 2617.27
1904 630.33 a 293.50 136.40 a 86.54 d 0.60 e 0.00 d 0.00 0.00 i 1.50 f 137.84 c 232.50 i 362.00 n 1285.21
1905 621.50 761.00 238.50 127.00 g 3.10 a 0.00 0.00 b 0.00 0.00 150.50 382.80 e 833.79 b 2991.19
1906 692.50 168.50 u 43.50 z 144.00 3.50 0.00 4.50 2.38 e 0.00 a 191.00 557.50 558.00 2153.38
1907 484.50 382.00 169.50 153.00 63.00 0.00 0.00 0.00 0.50 112.50 530.00 580.50 2475.50
1908 661.50 511.50 162.00 85.00 29.00 0.00 0.00 0.00 a 21.11 c 136.92 a 398.04 b 599.50 2604.56
1909 456.22 a 410.50 279.50 84.50 27.50 0.00 0.00 0.00 c 18.00 90.50 242.50 782.00 2391.22
1910 578.00 503.00 141.50 79.00 21.00 0.00 h 0.00 0.00 0.00 127.50 261.50 599.00 2310.50
1911 403.00 436.50 175.00 73.50 9.50 0.00 0.00 0.00 0.00 162.00 456.50 571.00 g 1716.00
1912 650.50 573.27 a 388.00 142.50 28.70 d 0.00 c 0.00 0.00 41.50 157.50 448.50 762.50 3192.97
1913 707.00 532.50 401.00 118.50 6.00 0.00 0.00 0.00 40.50 126.50 283.50 735.50 2951.00
1914 414.00 478.00 311.00 89.50 17.50 0.00 0.00 0.00 11.50 100.00 327.50 761.50 2510.50
1915 743.50 409.50 542.00 133.50 20.00 4.00 0.00 0.00 2.50 52.50 336.50 570.50 2814.50
1916 454.00 365.50 166.50 128.50 14.50 0.00 27.00 0.00 1.50 h 107.00 134.50 n 555.50 1818.50
1917 612.00 411.00 393.00 148.00 50.50 0.00 0.00 0.00 3.21 b 212.19 b 196.00 n 711.00 2540.90
1918 578.00 j 425.50 275.50 165.50 64.07 a 0.00 0.00 0.00 30.50 124.50 546.00 824.60 a 2456.17
1919 848.00 572.00 412.50 114.00 13.00 11.50 0.00 0.00 28.50 106.50 413.00 742.00 3261.00
1920 686.50 439.00 415.00 144.50 25.50 0.00 0.00 0.00 3.50 0.00 z 489.00 0.00 z 2203.00
1921 608.00 468.50 251.32 c 158.00 5.00 3.00 0.00 0.00 3.50 82.50 356.50 471.00 2407.32
1922 766.50 317.50 j 415.50 120.00 6.00 0.00 0.00 0.00 0.00 154.50 474.50 554.50 2491.50
1923 370.00 i 583.00 446.50 104.48 a 7.50 0.00 0.00 0.00 0.00 e 213.00 458.00 780.00 2592.48
1924 838.50 577.21 c 480.50 157.50 31.53 b 0.00 0.00 c 0.00 e 17.00 129.00 323.00 740.79 b 3295.04
1925 756.50 355.70 a 221.13 a 64.50 7.50 0.00 0.00 0.00 4.66 a 0.00 z 412.50 759.50 2581.99
1926 755.50 353.00 423.48 c 47.50 n 14.50 0.00 0.00 0.00 41.00 44.00 420.50 683.00 2734.98
1927 530.00 319.00 332.50 49.50 1.00 0.00 0.00 0.00 13.45 a 69.50 199.50 763.50 2277.95
1928 599.50 554.50 213.50 180.00 0.00 z 0.00 0.00 0.50 25.00 106.50 482.50 685.00 2847.00
1929 690.00 651.00 366.50 28.00 17.50 0.00 c 0.00 0.00 0.00 z 133.50 561.00 587.00 3034.50
1930 851.00 341.00 347.00 17.00 8.50 0.00 0.00 0.00 0.00 z 99.00 418.00 719.72 a 2801.22
1931 639.00 0.00 z 349.04 d 160.00 9.50 k 0.00 0.00 0.00 0.00 46.00 327.50 701.50 2223.04
1932 630.50 338.00 401.50 95.50 6.00 0.00 0.00 0.00 31.50 228.00 370.00 777.00 2878.00
1933 597.00 552.00 189.00 131.50 14.00 0.00 0.00 0.00 0.00 0.50 315.50 382.50 2182.00
1934 588.00 393.50 320.50 65.50 9.50 0.00 0.00 0.00 0.00 11.00 169.00 f 513.00 1901.00
1935 452.50 413.78 a 160.00 38.50 60.00 0.00 0.00 0.00 18.50 89.50 367.50 615.72 b 2216.00
1936 652.50 417.50 195.00 105.00 1.50 0.00 0.00 0.00 46.07 b 161.00 461.38 a 607.08 a 2647.03
1937 696.00 394.00 383.00 80.50 14.50 0.00 0.00 0.00 4.50 77.50 460.00 682.00 2792.00
1938 582.91 c 349.00 198.50 109.50 10.00 0.00 0.00 c 0.00 0.00 0.00 323.50 589.50 2162.91
1939 572.00 583.00 231.00 70.50 5.50 0.00 0.00 0.00 0.00 88.00 480.50 603.00 2633.50
1940 858.00 528.00 290.00 115.00 4.00 0.00 0.00 d 0.00 0.00 99.00 317.50 f 492.50 2386.50
1941 575.50 380.00 347.00 104.00 24.50 0.00 0.00 0.00 7.50 84.00 365.50 611.00 2499.00
1942 680.00 503.50 344.50 116.50 13.00 0.00 0.00 0.00 c 16.55 a 104.00 286.15 d 486.50 2550.71
1943 563.50 382.00 348.00 37.00 f 7.00 f 0.00 0.00 0.00 13.50 105.00 448.00 748.00 2608.00
1944 723.50 515.50 344.50 134.00 14.50 0.00 0.00 0.00 5.50 78.00 412.00 737.00 2964.50
1945 595.50 400.50 245.00 139.50 10.00 0.00 0.00 0.00 51.00 123.50 303.50 623.00 2491.50
1946 691.50 482.00 255.50 22.50 15.50 0.00 0.00 0.00 8.50 52.50 425.50 563.50 2517.00
1947 780.00 588.00 385.50 150.50 7.50 0.00 0.00 z 0.00 0.00 14.50 503.04 b 648.00 3077.04
1948 816.00 556.00 419.00 45.50 6.00 0.00 0.00 0.00 9.00 101.00 456.00 456.00 2864.50
1949 925.00 448.00 245.50 169.00 2.00 0.00 0.00 0.00 8.00 126.38 e 170.00 j 0.00 z 1923.88
1950 0.00 z 76.00 u 350.19 d 114.50 7.50 0.00 0.00 0.00 1.50 0.00 z 385.00 577.50 1436.19
1951 676.00 534.00 385.43 a 169.00 38.50 5.17 a 0.00 a 0.00 15.00 a 92.00 467.50 569.50 2952.11
1952 523.50 521.50 420.00 122.50 44.36 b 0.00 1.55 a 0.00 d 15.00 148.00 528.50 708.72 b 3033.64
1953 474.09 b 583.50 231.50 115.00 77.50 j 0.00 d 0.00 i 0.00 0.00 109.02 a 416.50 829.00 2758.60
1954 579.00 359.00 396.00 42.50 43.00 0.00 0.00 k 0.00 0.00 d 83.81 d 183.50 r 487.00 h 1503.31
1955 537.50 h 462.00 f 351.69 b 90.00 11.50 g 0.00 j 0.00 j 0.00 j 0.00 n 27.00 u 0.00 z 135.00 u 441.69
1956 459.00 h 429.00 i 233.50 l 120.00 j 2.50 0.00 a 0.00 0.00 1.00 99.00 543.50 604.50 1250.50
1957 628.00 286.50 305.50 171.50 17.50 2.00 0.00 0.00 5.50 205.50 566.90 a 626.50 2815.40
1958 817.88 a 556.37 a 534.00 165.00 17.57 a 0.00 a 0.00 0.00 a 25.50 202.50 421.03 a 695.50 3435.35
1959 724.50 526.00 379.00 189.00 6.00 0.00 0.00 0.00 6.50 156.50 535.00 630.00 3152.50
1960 758.50 602.00 437.00 108.50 41.50 0.00 0.00 0.00 4.50 167.50 438.50 852.50 3410.50
1961 807.00 495.50 348.50 167.50 7.00 1.50 0.00 0.00 18.00 127.50 589.00 647.50 3209.00
1962 839.50 317.33 d 435.00 103.00 8.50 0.00 a 0.00 0.00 2.50 88.00 342.50 626.00 2762.33
1963 885.00 471.50 328.00 58.00 16.53 a 0.00 0.00 1.00 3.50 26.50 355.00 787.00 2932.03
1964 758.00 710.00 376.50 110.00 0.00 0.00 z 0.00 0.00 17.50 115.50 386.00 627.00 3100.50
1965 576.50 596.50 533.00 62.00 10.00 0.00 0.00 0.00 7.50 122.50 268.45 a 594.17 a 2770.61
1966 852.50 636.50 325.50 a 119.50 33.00 0.00 c 0.00 4.50 2.00 187.50 311.79 b 698.02 a 3170.80
1967 704.50 508.67 a 202.07 d 33.00 41.00 0.00 h 0.00 z 0.00 i 7.76 a 139.50 a 380.56 c 735.14 c 2752.20
1968 292.00 o 524.50 422.50 161.50 19.12 a 0.00 b 0.00 2.58 a 8.79 a 100.15 e 495.56 c 679.23 c 2413.93
1969 529.00 461.00 549.45 b 70.18 b 13.50 0.00 f 0.00 0.00 c 0.00 e 223.72 a 448.39 b 587.40 b 2882.63
1970 764.48 c 478.59 a 478.71 e 117.78 c 55.80 a 6.00 0.00 d 0.00 c 55.56 c 163.50 j 281.50 h 539.92 a 2496.84
1971 642.06 e 553.26 a 225.50 f 122.31 d 13.78 d 0.00 d 0.00 c 0.00 a 77.14 b 114.38 b 272.00 f 594.96 e 2117.89
1972 662.76 b 405.50 g 145.00 l 87.50 22.98 b 1.00 0.53 b 0.00 12.00 152.42 a 433.50 f 432.50 m 939.19
1973 453.50 n 350.50 m 202.50 m 150.00 n 41.50 m 0.00 m 0.00 p 0.00 l 13.00 j 87.26 d 294.81 d 614.63 e 996.70
1974 709.50 526.81 a 150.50 f 75.54 b 16.53 a 0.00 0.00 l 0.00 k 40.00 o 113.50 j 463.39 b 700.82 c 2492.60
1975 658.23 a 531.00 0.00 z 207.22 c 12.00 k 0.00 k 0.00 f 0.00 k 60.00 g 89.00 f 257.50 k 426.50 l 1396.46
1976 470.00 l 209.00 i 218.50 h 105.00 91.45 a 0.00 0.00 b 0.00 27.32 b 294.00 658.85 d 735.06 e 1911.68
1977 837.00 452.67 d 414.48 d 135.00 b 0.00 0.00 b 0.00 c 0.00 c 0.00 b 53.00 j 219.50 n 0.00 z 1839.15
1978 0.00 z 598.23 b 290.62 c 45.00 34.10 a 0.00 a 0.00 f 0.00 c 46.11 c 114.91 b 383.00 717.59 d 2229.57
1979 830.59 b 541.69 b 368.26 b 115.00 29.45 a 1.00 0.00 0.00 b 17.22 c 84.73 a 481.55 a 676.66 b 3146.15
1980 642.22 a 509.65 b 371.48 a 182.50 19.50 0.00 0.00 a 0.00 16.03 a 179.50 511.03 a 591.00 3022.92
1981 656.17 a 480.00 385.71 e 88.00 f 2.50 m 0.00 f 0.00 k 0.00 j 5.00 i 68.50 k 204.00 h 466.79 e 1988.67
1982 653.07 a 507.50 142.50 i 62.00 j 12.00 k 0.00 0.00 0.00 2.00 179.50 476.50 417.00 k 1818.57
1983 755.50 492.50 307.50 279.50 14.50 11.50 0.00 0.00 13.00 79.50 331.00 773.00 3057.50
1984 802.00 501.50 329.00 116.00 8.00 0.00 0.00 0.00 47.00 149.50 224.00 i 568.50 2521.50
1985 748.50 584.00 282.00 60.50 5.50 1.50 0.00 0.00 23.50 77.50 p 174.50 k 708.00 2413.50
1986 560.14 b 421.00 221.50 42.50 7.48 b 0.00 0.00 0.00 0.00 25.00 t 125.00 v 721.00 1973.62
1987 714.50 475.00 433.00 219.00 12.00 0.00 0.00 0.00 7.00 45.00 382.00 362.00 k 2287.50
1988 783.00 528.00 384.00 137.50 19.00 0.00 u 0.00 n 2.07 a 8.50 68.00 341.00 689.00 2960.07
1989 634.50 528.50 264.00 109.50 7.50 0.00 0.00 0.00 34.50 99.00 353.50 835.00 2866.00
1990 636.50 430.00 322.50 105.50 47.00 0.00 0.00 3.50 1.00 96.50 339.50 634.50 2616.50
1991 755.88 a 465.00 232.50 60.50 8.50 0.00 0.00 0.00 49.50 76.50 489.00 635.50 2772.88
1992 757.00 476.50 276.50 126.50 13.50 1.00 0.00 0.00 1.50 44.50 523.00 679.50 2899.50
1993 633.50 512.30 a 303.00 111.00 14.00 0.00 0.00 0.00 8.00 158.21 b 449.50 585.00 2774.50
1994 650.50 504.00 300.50 100.00 17.50 0.00 0.00 0.00 9.50 101.00 325.50 530.00 2538.50
1995 637.50 317.00 337.00 153.00 9.00 0.00 0.00 0.00 27.50 64.00 303.50 585.50 2434.00
1996 624.00 401.00 381.50 126.50 0.00 0.00 0.00 0.00 9.50 137.50 378.50 561.50 2620.00
1997 693.00 554.00 273.50 237.50 10.50 0.00 0.00 0.00 0.00 155.50 453.00 818.00 3195.00
1998 589.00 433.50 370.50 174.50 0.00 0.00 0.00 0.00 0.00 65.50 311.00 608.50 2552.50
1999 511.50 290.00 266.50 64.50 11.00 0.00 0.00 0.00 26.00 105.00 228.50 638.00 2141.00
2000 521.50 272.50 208.50 78.00 3.50 0.00 0.00 0.00 9.00 155.00 560.50 732.00 2540.50
2001 771.50 430.37 a 432.00 82.50 7.00 0.00 0.00 0.00 2.40 e 65.50 349.50 679.00 2819.77
2002 628.50 598.50 441.50 71.50 6.00 0.00 0.00 0.00 3.50 151.50 478.00 668.50 3047.50
2003 620.50 513.00 291.50 79.00 19.50 0.00 0.00 0.00 0.00 z 65.00 359.00 663.00 2610.50
2004 644.00 606.50 264.00 164.00 0.00 z 0.00 1.00 0.00 5.00 96.00 514.50 728.50 3023.50
2005 575.50 524.50 422.50 157.50 62.50 0.00 0.00 0.00 1.50 115.50 334.50 661.50 2855.50
2006 518.50 476.50 335.00 35.00 0.00 z 0.00 0.00 0.00 z 14.00 0.00 z 337.00 707.00 2423.00
2007 828.50 511.00 255.50 197.00 40.50 0.00 0.00 0.00 0.00 73.00 384.00 604.50 2894.00
2008 736.50 450.00 334.50 127.00 34.00 0.00 0.00 0.00 0.00 146.50 449.50 679.50 2957.50
2009 672.50 0.00 z 316.50 153.00 3.00 0.00 0.00 0.00 18.00 157.50 363.00 812.00 2495.50
2010 743.50 598.00 408.50 106.00 33.00 0.00 0.00 0.00 0.00 44.00 410.50 579.50 2923.00
2011 718.50 612.50 216.00 57.00 34.50 0.00 0.00 0.00 0.00 91.00 360.50 871.50 2961.50
2012 619.00 561.50 285.00 28.50 80.00 0.00 0.00 0.00 8.50 123.50 322.00 599.50 2627.50
2013 733.50 515.50 315.50 13.00 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 1564.50
Period of Record Statistics
MEAN 668.63 483.65 328.41 111.92 19.08 0.75 0.34 0.16 12.46 111.95 404.93 655.55 2772.26
S.D. 110.44 96.04 91.95 50.10 18.30 3.20 2.72 0.68 15.43 52.62 92.34 96.94 319.55
SKEW -0.07 -0.06 0.05 0.38 1.65 6.31 9.47 4.68 1.70 0.45 0.17 -0.02 -0.06
MAX 925.00 761.00 549.45 279.50 91.45 27.00 27.00 4.50 77.14 294.00 658.85 871.50 3435.35
MIN 403.00 272.50 136.40 17.00 0.00 0.00 0.00 0.00 0.00 0.00 199.50 382.50 2141.00
NO YRS 103 103 104 104 100 102 101 104 101 100 95 101 60