LAS VEGAS MCCARRAN AP, NEVADA

Monthly Total Heating Degree Days

(264436)

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
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 574.50 422.50 215.50 74.00 0.00 0.00 a 0.00 b 0.00 a 0.00 73.00 448.00 583.50 2391.00
1941 512.00 347.00 297.50 185.50 1.50 0.00 0.00 0.00 5.00 157.50 367.50 585.50 2459.00
1942 596.00 523.00 351.00 54.50 20.00 0.00 0.00 0.00 0.00 52.50 319.00 536.50 2452.50
1943 577.00 368.00 212.50 77.00 4.00 0.00 0.00 0.00 0.00 72.50 373.00 540.50 2224.50
1944 623.50 526.00 311.50 98.00 7.00 0.00 0.00 0.00 0.00 0.00 353.00 570.50 2489.50
1945 607.50 391.00 373.50 144.50 0.00 0.00 0.00 0.00 0.00 40.00 411.00 677.00 2644.50
1946 655.00 509.50 280.00 47.00 0.00 0.00 0.00 0.00 0.00 121.00 434.00 507.50 2554.00
1947 693.00 324.00 170.50 57.50 2.50 0.00 0.00 0.00 0.00 45.50 441.00 653.50 2387.50
1948 601.50 537.50 451.50 88.50 18.50 0.00 0.00 0.00 6.00 52.50 462.00 742.50 2960.50
1949 1012.00 651.50 352.50 58.50 7.50 1.50 0.00 0.00 0.00 152.50 183.00 673.50 3092.50
1950 737.50 374.50 262.50 53.50 37.00 0.50 0.00 0.00 0.00 4.50 257.50 428.50 2156.00
1951 657.00 492.00 324.50 88.00 34.50 0.00 0.00 0.00 0.00 90.50 423.00 706.50 2816.00
1952 720.00 482.00 455.00 64.00 2.50 0.00 0.00 0.00 0.00 1.00 467.00 608.00 2799.50
1953 455.00 456.50 275.50 104.50 65.50 0.00 0.00 0.00 0.00 109.50 299.50 650.50 2416.50
1954 610.50 306.50 401.00 16.50 12.00 0.00 0.00 0.00 0.00 65.00 236.00 656.00 2303.50
1955 742.00 597.50 343.00 173.00 41.00 2.50 0.00 0.00 0.00 18.00 357.00 526.50 2800.50
1956 503.50 562.50 273.00 110.00 8.50 0.00 0.00 0.00 0.00 88.50 434.00 597.00 2577.00
1957 665.50 281.50 252.00 97.00 34.00 0.00 0.00 0.00 0.00 92.50 480.50 565.00 2468.00
1958 589.50 357.50 400.50 158.00 4.00 0.00 0.00 0.00 0.50 44.50 347.00 503.50 2405.00
1959 578.00 485.00 245.50 22.50 19.50 0.00 0.00 0.00 2.00 52.00 347.00 545.00 2296.50
1960 744.50 551.50 182.00 80.00 4.50 0.00 0.00 0.00 0.00 66.50 360.50 643.00 2632.50
1961 618.00 391.50 274.50 66.50 6.00 0.00 0.00 0.00 0.00 139.00 442.50 699.50 2637.50
1962 642.50 423.00 428.00 15.00 32.00 0.00 0.00 0.00 0.00 29.00 238.50 594.00 2402.00
1963 740.00 260.50 343.00 213.00 8.00 0.00 0.00 0.00 0.00 19.00 300.50 632.50 2516.50
1964 713.50 563.50 401.00 147.50 73.50 0.00 0.00 0.00 0.00 12.50 452.00 612.50 2976.00
1965 556.50 433.50 365.50 223.50 51.50 0.00 0.00 0.00 16.00 17.50 273.50 622.50 2560.00
1966 692.50 537.50 237.50 57.50 0.50 0.00 0.00 0.00 0.00 49.00 292.50 587.00 2454.00
1967 612.00 404.50 196.00 268.00 27.50 0.00 0.00 0.00 0.00 19.00 251.50 726.00 2504.50
1968 646.00 270.50 238.00 116.00 9.00 0.50 0.00 0.00 1.50 30.00 314.50 751.00 2377.00
1969 542.50 524.00 386.50 76.00 17.00 0.00 0.00 0.00 0.00 119.50 347.50 597.50 2610.50
1970 651.00 350.50 313.00 213.00 8.00 0.00 0.00 0.00 0.00 115.50 302.00 637.50 2590.50
1971 639.00 428.00 309.50 110.00 50.00 0.00 0.00 0.00 4.00 211.50 423.00 731.00 2906.00
1972 703.50 380.50 102.50 72.00 6.50 0.00 0.00 0.00 0.00 112.50 459.50 735.50 2572.50
1973 749.00 432.50 445.50 136.00 13.00 0.00 0.00 0.00 0.00 46.00 357.50 584.00 2763.50
1974 744.50 451.50 194.50 86.00 13.50 0.00 0.00 0.00 0.00 56.50 307.00 640.50 2494.00
1975 613.50 453.50 347.50 254.00 40.00 0.00 0.00 0.00 0.00 79.00 362.00 521.50 2671.00
1976 561.00 344.00 362.50 128.50 1.00 0.00 0.00 0.00 0.00 43.00 215.00 576.00 2231.00
1977 600.50 303.50 385.00 47.00 60.00 0.00 0.00 0.00 0.00 3.00 235.50 405.00 2039.50
1978 531.50 363.50 175.00 95.50 17.50 0.00 0.00 0.00 1.00 3.00 331.00 684.50 2202.50
1979 743.50 465.50 278.50 70.00 19.50 0.00 0.00 0.00 0.00 46.00 402.00 552.50 2577.50
1980 482.00 343.00 335.50 110.50 34.00 0.00 0.00 0.00 0.00 85.50 260.50 382.00 2033.00
1981 433.00 351.00 270.50 31.00 2.00 0.00 0.00 0.00 0.00 78.00 221.50 505.00 1892.00
1982 601.00 407.50 309.50 104.00 9.00 0.00 0.00 0.00 10.50 88.50 436.00 637.50 2603.50
1983 572.00 371.50 270.50 205.50 23.50 0.00 0.00 0.00 0.00 4.50 301.50 530.50 2279.50
1984 555.00 433.00 224.00 116.50 0.00 0.00 0.00 0.00 0.00 131.50 371.00 650.50 2481.50
1985 639.00 494.50 315.50 43.50 0.00 0.00 0.00 0.00 1.50 33.00 400.50 519.00 2446.50
1986 411.50 276.00 130.00 60.00 12.00 0.00 0.00 0.00 15.50 56.50 275.50 590.00 1827.00
1987 630.50 382.00 322.00 41.50 1.00 0.00 0.00 0.00 0.00 19.00 349.50 698.50 2444.00
1988 618.50 365.50 230.50 88.00 35.50 0.00 0.00 0.00 0.00 0.00 298.00 588.50 2224.50
1989 655.50 431.50 122.00 24.50 17.00 0.00 0.00 0.00 0.00 71.00 232.00 527.50 2081.00
1990 614.00 455.00 178.00 13.50 0.50 0.00 0.00 0.00 0.00 26.00 297.00 769.00 2353.00
1991 605.50 254.50 381.50 63.00 28.50 2.00 0.00 0.00 0.00 78.50 305.00 559.50 2278.00
1992 591.00 316.00 256.00 7.50 0.00 0.00 0.00 0.00 0.00 17.50 373.00 664.50 2225.50
1993 599.00 417.00 149.50 36.00 3.50 8.00 0.00 0.00 0.00 35.50 406.50 581.00 2236.00
1994 487.00 463.00 100.00 62.00 2.00 0.00 0.00 0.00 0.00 38.00 469.50 544.50 2166.00
1995 543.50 178.50 233.50 93.00 19.50 6.00 0.00 0.00 0.00 24.00 157.50 499.50 1755.00
1996 512.00 296.00 178.50 25.50 12.00 0.00 0.00 0.00 0.00 140.50 256.00 532.00 1952.50
1997 518.50 375.00 118.50 119.50 0.00 0.00 0.00 0.00 0.00 61.00 267.50 591.50 2051.50
1998 507.50 436.00 279.50 171.00 24.00 0.00 0.00 0.00 0.00 42.50 305.50 533.50 2299.50
1999 452.00 344.50 150.00 193.50 5.00 6.50 0.00 0.00 0.00 12.00 189.50 506.00 1859.00
2000 421.00 331.50 202.50 16.50 4.00 0.00 0.00 0.00 0.00 83.00 444.00 482.00 1984.50
2001 578.00 427.50 181.50 118.50 2.00 0.00 0.00 0.00 0.00 1.00 208.50 609.00 2126.00
2002 585.50 368.50 309.00 35.00 7.50 0.00 0.00 0.00 0.00 41.50 251.00 542.00 2140.00
2003 336.50 375.50 192.50 113.50 12.00 0.00 0.00 0.00 0.00 9.50 372.00 532.00 1943.50
2004 544.00 469.00 72.00 31.00 0.00 0.00 0.00 0.00 0.00 83.50 339.50 491.00 2030.00
2005 422.00 332.50 181.00 49.00 1.50 0.00 0.00 0.00 0.00 9.00 188.00 474.00 1657.00
2006 460.00 312.50 306.50 54.00 0.00 0.00 0.00 0.00 0.00 29.00 211.00 544.00 1917.00
2007 590.00 290.00 106.00 38.00 1.50 0.00 0.00 0.00 0.00 15.00 154.00 614.50 1809.00
2008 585.50 364.00 141.50 22.50 18.50 0.00 0.00 0.00 0.00 30.50 138.00 585.50 1886.00
2009 434.00 366.00 184.50 79.00 0.00 0.00 0.00 0.00 0.00 56.50 198.00 606.50 1924.50
2010 502.00 349.50 217.00 111.00 13.50 0.00 0.00 0.00 0.00 27.50 291.50 423.50 1935.50
2011 494.50 409.50 163.50 71.50 19.50 0.00 0.00 0.00 0.00 32.50 308.50 584.00 2083.50
2012 445.00 326.00 174.00 62.50 1.50 0.00 0.00 0.00 0.00 16.50 167.50 491.00 1684.00
2013 594.00 378.00 89.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 22.50 z 1061.50
Period of Record Statistics
MEAN 591.56 402.97 260.68 91.21 14.91 0.38 0.00 0.00 0.87 55.18 322.64 586.02 2329.06
S.D. 105.37 89.38 96.51 59.97 16.95 1.42 0.00 0.00 2.98 44.52 90.22 83.18 326.47
SKEW 0.59 0.32 0.07 1.02 1.51 4.22 0.00 0.00 4.07 1.06 -0.09 0.03 0.02
MAX 1012.00 651.50 455.00 268.00 73.50 8.00 0.00 0.00 16.00 211.50 480.50 769.00 3092.50
MIN 336.50 178.50 72.00 7.50 0.00 0.00 0.00 0.00 0.00 0.00 138.00 382.00 1657.00
NO YRS 74 74 74 73 73 73 73 73 73 73 73 73 73