CARLSBAD CAVERNS, NEW MEXICO

Monthly Total Heating Degree Days

(291480)

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
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 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 0.00 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 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 876.30 c 572.50 467.00 54.50 26.00 0.00 0.00 0.00 10.86 a 115.00 398.00 422.00 2942.17
1949 923.00 436.00 302.00 234.50 14.50 0.00 a 0.00 2.50 22.50 147.50 150.00 e 527.50 2760.00
1950 381.09 b 267.00 219.50 83.50 3.50 1.00 0.00 a 0.00 b 7.50 10.69 b 330.00 e 395.00 1698.78
1951 536.50 418.50 320.50 169.00 27.79 b 9.11 b 0.00 a 0.00 4.00 97.50 322.50 460.57 c 2365.97
1952 345.50 383.50 396.00 141.21 a 25.50 0.00 1.00 0.00 21.00 70.00 480.50 385.00 k 1864.21
1953 327.00 445.50 212.50 157.00 77.50 0.00 0.00 0.00 0.00 102.50 297.50 703.00 2322.50
1954 416.50 258.00 331.50 51.50 39.50 0.00 0.00 0.00 0.00 91.50 247.50 460.00 1896.00
1955 649.97 a 473.00 235.00 84.00 12.00 5.00 0.00 0.00 0.00 55.50 348.10 a 398.00 2260.57
1956 470.50 547.50 243.50 141.00 0.00 0.00 0.00 0.00 0.00 52.00 367.50 456.50 2278.50
1957 517.00 255.00 313.50 158.00 45.00 10.00 0.00 0.00 4.50 210.50 0.00 z 409.50 1923.00
1958 672.00 495.00 556.00 188.00 21.50 0.00 0.00 0.00 43.00 220.50 322.00 503.00 3021.00
1959 534.50 467.50 290.00 187.50 8.00 1.61 b 0.00 0.00 3.50 81.50 436.50 512.00 2522.61
1960 664.00 622.98 a 358.05 a 79.00 29.00 0.00 0.00 0.00 0.00 102.82 a 280.34 a 777.00 2913.19
1961 701.00 417.00 293.50 128.50 1.50 7.24 a 0.00 0.00 17.07 a 67.00 526.50 539.00 2698.31
1962 709.00 265.48 a 403.00 d 105.56 c 9.19 d 3.00 0.00 0.00 12.50 70.50 263.50 526.00 2367.72
1963 716.50 372.00 278.00 57.00 25.50 0.00 0.00 0.00 a 0.00 j 6.72 a 274.14 a 662.88 a 2392.74
1964 642.73 a 618.32 a 349.78 a 91.03 a 10.50 6.00 0.00 0.00 15.50 51.00 329.00 505.00 2618.87
1965 456.50 536.00 489.50 62.00 12.50 2.00 0.00 0.00 7.50 72.50 194.50 466.00 2299.00
1966 762.00 556.50 269.50 114.50 50.00 0.00 0.00 7.00 6.43 b 100.48 b 189.00 529.00 2584.41
1967 485.00 394.50 133.00 32.00 26.50 0.00 0.00 0.00 11.00 66.50 281.79 b 673.50 2103.79
1968 580.00 505.89 b 400.42 a 147.41 a 28.23 c 0.00 1.07 b 1.00 8.00 84.50 430.00 555.50 2742.02
1969 468.00 457.50 620.50 85.00 25.50 4.00 0.00 0.00 0.50 257.00 419.50 545.50 2883.00
1970 682.50 503.00 519.50 133.50 56.50 6.00 0.50 0.00 81.50 254.00 343.00 400.00 2980.00
1971 544.50 546.50 312.50 177.00 28.93 a 0.00 0.00 a 0.00 84.00 108.00 310.00 575.50 2686.93
1972 0.00 z 480.50 189.50 69.00 15.50 a 3.00 0.50 0.00 6.50 170.00 591.96 b 600.50 2126.96
1973 766.00 637.50 400.50 275.50 81.00 0.00 0.00 0.00 27.00 89.00 g 0.00 z 493.00 2680.50
1974 701.50 0.00 z 208.50 119.50 25.50 0.00 0.00 19.50 148.50 189.50 422.07 a 666.50 2501.07
1975 667.50 530.50 409.50 216.50 25.00 1.50 j 0.00 a 0.00 73.50 79.00 302.00 k 425.00 n 2001.50
1976 633.84 c 0.00 z 319.50 107.78 c 97.50 0.00 0.00 0.00 47.50 290.50 560.56 c 637.71 c 2694.89
1977 773.50 457.85 a 383.76 b 137.50 11.37 a 0.00 0.00 a 0.00 0.00 a 96.10 a 312.41 a 514.17 b 2686.66
1978 764.00 653.85 a 292.50 k 108.10 a 51.50 4.00 0.00 0.00 92.07 a 174.50 436.55 a 711.50 2996.08
1979 900.00 557.50 403.50 152.59 a 60.50 21.00 5.00 0.00 57.00 83.50 496.50 569.00 3306.09
1980 571.00 515.50 384.00 220.00 57.00 2.00 0.00 a 7.23 a 40.50 198.92 a 473.28 a 494.50 2963.93
1981 636.50 422.00 425.00 119.50 31.50 0.00 0.00 1.50 27.00 151.00 225.00 a 453.00 2492.00
1982 641.50 561.00 278.00 150.00 58.00 3.00 0.00 0.00 2.50 175.50 453.00 751.75 a 3074.25
1983 686.00 507.50 376.50 316.00 22.50 25.00 0.00 c 0.00 27.50 158.00 335.00 792.00 3246.00
1984 799.00 460.00 347.50 149.00 22.00 0.00 0.00 2.50 90.50 232.00 417.50 632.73 c 3152.73
1985 833.50 610.50 315.50 98.50 16.50 0.00 0.00 0.00 38.00 197.50 320.00 624.50 3054.50
1986 528.55 a 431.93 a 229.50 48.50 36.00 5.50 0.00 4.50 2.00 205.00 471.50 715.50 2678.48
1987 666.50 507.00 487.00 254.50 31.00 11.00 2.50 0.50 11.50 76.50 358.93 b 632.50 3039.43
1988 756.00 538.50 360.50 133.97 a 36.50 0.00 3.00 16.00 9.50 65.00 0.00 z 650.50 2569.47
1989 540.50 562.50 254.72 a 119.00 21.50 0.50 0.00 0.50 72.00 116.00 281.50 814.50 2783.22
1990 552.00 377.00 384.50 168.00 77.50 0.00 0.00 11.50 18.50 111.50 320.50 581.50 2602.50
1991 791.50 413.50 295.00 76.50 16.50 1.00 0.00 0.00 42.00 i 116.50 531.50 654.50 2896.50
1992 736.50 478.00 279.00 142.00 58.00 6.50 0.00 0.00 0.00 41.50 509.00 648.50 2899.00
1993 603.50 520.50 314.50 148.00 14.50 0.00 0.00 0.00 12.00 185.00 466.50 511.00 2775.50
1994 549.00 433.50 319.00 116.00 38.00 0.00 0.00 0.00 11.00 86.28 a 325.50 0.00 z 1878.28
1995 551.80 a 294.00 343.58 a 215.50 25.50 0.00 2.50 0.00 48.50 56.50 284.00 575.00 2396.88
1996 575.00 407.00 442.50 174.00 0.00 0.00 0.00 0.00 37.00 155.50 339.50 487.00 2617.50
1997 742.00 623.00 289.50 314.50 55.50 0.00 0.00 0.00 16.00 167.50 425.50 735.00 3368.50
1998 484.50 486.00 446.50 188.00 0.00 0.00 0.00 0.00 0.00 114.00 290.00 651.50 2660.50
1999 502.50 270.15 a 331.18 a 132.86 b 9.30 a 2.14 b 2.58 a 0.00 g 34.82 b 71.62 b 158.00 580.45 b 2095.61
2000 446.50 235.00 f 251.62 a 115.34 a 14.93 d 1.07 b 0.00 b 0.00 14.00 231.00 546.00 641.81 d 2262.27
2001 730.29 e 438.31 b 406.88 c 0.00 z 7.50 l 0.00 b 0.00 0.00 0.00 z 51.00 345.00 a 561.10 a 2532.57
2002 556.97 a 580.50 449.50 88.00 4.50 0.00 0.00 0.00 5.00 190.50 452.50 0.00 z 2327.47
2003 517.00 545.50 278.00 73.00 22.00 0.00 e 0.00 i 0.00 0.00 z 0.00 z 341.50 529.77 c 2306.77
2004 611.00 599.00 290.50 182.31 d 24.50 f 1.50 f 0.00 z 0.00 i 0.00 z 78.50 i 358.50 h 483.50 f 1682.81
2005 434.00 f 417.50 f 226.50 j 0.00 z 78.50 j 0.00 x 1.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1.50
2006 0.00 z 396.00 334.50 0.00 z 0.00 z 0.00 0.00 d 0.00 z 32.50 0.00 z 206.50 0.00 z 969.50
2007 805.50 0.00 z 220.00 190.50 46.00 0.00 z 0.00 0.00 0.00 z 0.00 z 353.50 0.00 z 1615.50
2008 0.00 z 23.50 z 333.00 110.50 56.50 0.00 0.00 1.50 11.50 105.00 324.50 429.50 j 942.50
2009 387.00 h 0.00 z 292.00 144.50 20.50 0.00 0.00 0.00 21.00 171.00 282.00 763.00 1694.00
2010 710.00 598.50 408.50 125.00 51.00 0.00 0.00 0.00 0.00 30.00 275.50 442.50 2641.00
2011 568.00 494.00 117.00 29.50 30.50 0.00 c 0.00 0.00 4.29 b 99.00 296.00 811.50 2449.79
2012 498.00 514.50 234.00 50.50 59.00 0.00 0.00 a 0.00 s 37.20 e 67.50 n 221.00 80.00 x 1614.20
2013 1630.00 0.00 z 126.50 u 0.00 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 1630.00
Period of Record Statistics
MEAN 640.80 477.89 335.68 136.16 31.23 2.31 0.32 1.26 24.78 123.06 355.78 580.54 2678.87
S.D. 186.40 100.98 96.26 63.36 22.04 4.73 0.91 3.71 30.06 66.49 103.94 113.69 363.94
SKEW 2.38 -0.54 0.39 0.77 0.84 3.09 3.31 3.57 1.89 0.52 0.26 0.31 -0.41
MAX 1630.00 653.85 620.50 316.00 97.50 25.00 5.00 19.50 148.50 290.50 591.96 814.50 3368.50
MIN 327.00 255.00 117.00 29.50 0.00 0.00 0.00 0.00 0.00 6.72 150.00 395.00 1698.78
NO YRS 61 58 63 62 61 61 63 60 58 58 59 55 41