LAS VEGAS, NEVADA

Monthly Total Heating Degree Days

(264429)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 195608
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
1895 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4.14 a 0.00 1.00 53.50 198.00 630.50 910.00 1797.14
1896 755.50 587.00 495.50 386.90 a 152.00 5.00 0.00 0.00 47.50 196.00 575.50 686.00 3886.90
1897 751.50 669.50 637.50 224.48 a 13.50 g 18.00 e 0.00 d 0.00 13.85 d 271.25 a 571.50 931.00 4088.58
1898 984.00 544.00 597.50 144.50 121.00 13.27 d 0.00 b 0.00 a 10.50 324.50 656.00 670.00 h 3395.27
1899 772.00 634.50 533.50 252.50 208.50 23.50 0.00 6.20 a 0.00 303.50 470.00 729.00 3933.20
1900 615.50 531.50 335.00 305.50 32.50 0.00 a 0.00 0.00 11.00 0.00 z 0.00 z 0.00 z 1831.00
1901 0.00 z 0.00 z 0.00 z 132.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 132.50
1902 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
1903 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
1904 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
1905 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
1906 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
1907 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.50 38.50 366.21 a 571.50 976.71
1908 675.59 b 619.36 a 290.50 71.00 36.50 12.00 0.00 0.00 36.00 223.50 474.00 722.50 3160.94
1909 566.00 567.00 504.00 0.00 z 74.50 0.00 0.00 a 0.00 1.55 a 90.23 c 467.50 912.00 3182.78
1910 0.00 z 515.00 264.00 92.00 28.50 0.00 0.00 0.00 0.00 101.00 399.11 b 569.50 1969.11
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 104.00 w 710.50 710.50
1913 781.50 285.50 l 407.00 106.00 27.50 0.00 0.00 0.00 15.50 86.50 330.00 637.50 2391.50
1914 561.50 442.50 184.00 103.50 17.00 1.50 0.00 0.00 0.00 27.00 266.50 721.50 2325.00
1915 655.50 447.50 239.00 66.50 85.00 1.00 0.00 0.00 3.00 26.00 368.00 622.50 2514.00
1916 714.50 398.00 159.00 72.50 23.50 0.00 0.00 0.00 0.00 142.00 404.50 703.50 2617.50
1917 785.00 429.00 453.00 181.00 67.00 0.00 0.00 0.00 0.00 51.00 235.00 461.50 2662.50
1918 551.50 425.00 250.00 0.00 z 31.00 0.00 0.00 0.00 0.00 g 46.00 407.50 579.00 2290.00
1919 564.50 479.50 349.27 a 23.00 0.00 5.50 0.00 0.00 0.00 z 115.50 364.50 582.50 2484.27
1920 510.50 406.00 339.00 31.50 t 9.50 0.00 0.00 0.00 1.00 109.50 353.50 671.00 2400.00
1921 645.00 277.50 145.00 140.00 45.50 0.00 0.00 z 0.00 j 0.00 55.00 286.00 403.50 1997.50
1922 676.00 445.00 347.50 184.00 39.50 0.00 0.00 0.00 0.00 65.50 363.50 414.00 2535.00
1923 479.00 281.00 k 181.00 n 82.00 k 0.00 c 2.00 l 0.00 b 0.00 14.00 92.50 288.50 565.00 1439.00
1924 664.50 280.00 215.50 m 0.00 z 14.00 0.00 0.00 0.00 0.00 88.00 321.00 636.05 c 2003.55
1925 652.50 287.00 230.50 112.00 6.50 0.00 z 0.00 0.00 0.00 60.00 389.00 455.00 2192.50
1926 560.50 272.50 119.50 22.22 c 0.00 z 0.00 s 0.00 0.00 0.00 13.00 246.50 420.00 j 1234.22
1927 495.40 e 336.00 269.50 g 99.00 l 27.50 g 0.00 0.00 0.00 l 0.00 z 26.50 209.50 619.50 1686.90
1928 462.93 a 0.00 z 118.50 l 25.50 t 0.00 z 0.00 0.00 0.00 0.00 29.50 107.00 u 176.00 v 492.43
1929 382.50 l 484.00 111.50 q 0.00 z 0.00 z 0.00 z 0.00 r 0.00 0.00 d 64.00 293.50 387.50 1229.00
1930 736.00 253.00 223.00 22.00 73.50 0.00 b 0.00 0.00 0.00 q 0.00 z 291.50 g 647.12 c 1954.62
1931 543.50 320.50 213.00 23.00 0.00 b 0.00 0.00 0.00 0.00 26.00 419.50 641.50 2187.00
1932 696.50 435.00 209.50 88.00 26.50 1.50 0.00 0.00 0.00 59.00 263.00 715.50 2494.50
1933 660.00 0.00 z 222.00 143.00 82.50 1.15 d 0.00 f 0.00 d 0.00 d 0.50 h 229.20 e 516.00 1853.85
1934 473.50 253.50 23.00 12.00 0.00 c 0.00 0.00 0.00 0.00 19.00 226.50 498.00 1505.50
1935 574.50 336.00 341.00 41.00 23.00 0.00 0.00 0.00 0.00 83.50 392.50 526.50 2318.00
1936 326.50 m 420.50 174.00 52.00 1.00 0.00 0.00 0.00 14.50 f 177.00 467.50 629.50 1921.50
1937 971.50 456.00 251.00 63.50 0.00 0.00 0.00 0.00 0.00 9.00 215.00 416.50 2382.50
1938 481.00 403.50 331.50 80.50 17.50 0.00 0.00 0.00 e 0.00 72.00 461.50 536.50 2384.00
1939 534.00 613.00 208.00 35.50 6.50 0.00 0.00 0.00 1.00 34.32 c 218.50 411.00 2061.82
1940 477.00 349.50 129.50 47.00 0.00 0.00 0.00 a 0.00 0.00 42.50 372.50 522.50 1940.50
1941 512.00 308.50 254.50 138.00 6.00 0.00 31.50 0.00 0.00 b 144.50 298.00 543.57 b 2236.57
1942 527.00 454.00 292.00 48.50 13.00 0.00 0.00 0.00 0.00 a 45.50 182.50 f 444.91 d 1824.91
1943 537.50 305.00 164.50 72.50 0.50 0.00 0.00 0.00 0.00 46.00 299.50 511.00 1936.50
1944 597.50 487.50 253.50 66.00 5.00 0.00 0.00 0.00 a 0.00 0.00 a 321.00 512.50 2243.00
1945 545.00 350.00 354.00 165.50 0.55 c 0.00 0.00 0.00 3.62 a 73.50 456.00 677.72 b 2625.90
1946 602.00 450.00 259.50 56.25 b 0.00 0.00 0.00 0.00 0.00 126.00 427.00 470.00 2390.75
1947 657.50 283.50 169.50 60.50 1.00 0.00 0.00 c 0.00 0.00 57.00 411.00 619.50 2259.50
1948 559.00 493.50 417.00 92.00 19.00 0.00 0.00 0.00 7.00 37.20 a 426.00 670.00 2720.70
1949 915.00 591.50 282.00 41.50 9.00 0.00 0.00 0.00 0.00 130.50 183.00 718.68 a 2871.18
1950 701.63 a 355.00 238.50 h 7.00 n 43.50 0.00 0.00 0.00 0.00 11.00 229.50 378.00 1718.63
1951 565.00 421.50 256.55 b 59.50 25.00 0.00 0.00 0.00 z 0.00 93.00 401.00 639.00 2460.55
1952 664.00 434.00 430.00 52.00 0.00 0.00 f 0.00 0.00 0.00 t 13.50 h 444.00 583.50 2607.50
1953 273.50 k 403.20 c 161.50 i 103.97 a 65.50 0.00 0.00 b 0.00 0.00 79.00 231.43 b 411.50 h 883.09
1954 571.00 261.00 349.27 a 23.50 10.00 0.00 z 0.00 z 0.00 z 0.00 g 0.00 n 0.00 z 605.50 1820.27
1955 681.00 526.50 248.52 a 95.40 e 34.10 a 0.52 a 0.00 g 0.00 d 0.00 l 24.28 a 313.45 a 351.00 j 1923.77
1956 249.50 n 517.17 e 243.00 95.50 2.00 u 0.00 k 0.00 x 0.00 w 0.00 z 0.00 z 0.00 z 0.00 z 855.67
Period of Record Statistics
MEAN 631.13 428.33 292.88 99.96 32.22 1.89 0.67 0.15 4.88 88.20 363.41 596.58 2508.04
S.D. 124.50 111.63 128.59 77.73 42.94 4.97 4.59 0.89 11.95 76.04 112.01 131.02 546.24
SKEW 1.03 0.20 0.72 1.75 2.23 3.05 6.63 6.54 2.99 1.51 0.57 0.52 1.17
MAX 984.00 669.50 637.50 386.90 208.50 23.50 31.50 6.20 53.50 324.50 656.00 931.00 3933.20
MIN 462.93 253.00 23.00 12.00 0.00 0.00 0.00 0.00 0.00 0.00 183.00 378.00 1505.50
NO YRS 47 48 45 44 46 46 47 49 45 48 48 48 24