LAHONTAN DAM, NEVADA

Monthly Total Heating Degree Days

(264349)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201207
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
1911 0.00 z 0.00 z 0.00 z 417.41 a 118.50 p 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1025.50 1442.91
1912 875.00 678.00 688.00 470.50 170.00 59.50 10.00 1.00 114.50 509.50 657.50 959.50 5193.00
1913 1100.50 a 806.00 687.00 415.00 165.00 60.50 0.00 0.00 84.50 346.00 675.00 a 969.50 5309.00
1914 882.50 698.00 464.50 363.00 62.50 81.72 a 0.00 0.00 56.00 284.17 a 576.92 d 1120.50 4589.81
1915 1013.50 740.50 575.00 308.50 206.50 0.00 z 0.00 0.00 106.50 216.50 660.50 906.00 4733.50
1916 1197.50 779.00 498.50 326.50 262.00 52.00 3.00 18.00 65.69 a 483.00 789.50 1008.50 5483.19
1917 1482.50 923.00 824.00 482.00 365.00 44.50 0.00 0.00 52.00 220.00 521.00 687.96 e 5601.96
1918 867.50 633.00 f 627.23 a 294.50 i 272.69 d 0.00 j 0.00 f 0.00 u 0.00 z 0.00 z 705.00 1064.16 b 3536.57
1919 1010.50 771.50 654.00 332.50 76.50 22.00 0.00 0.00 65.50 528.00 725.00 1075.00 5260.50
1920 848.22 b 748.00 685.00 465.00 180.00 36.50 0.00 b 29.50 65.50 439.50 687.50 913.50 5098.22
1921 865.00 669.50 506.50 448.50 227.50 55.00 10.33 a 0.00 a 68.50 234.71 c 499.50 885.50 4470.55
1922 1261.50 909.50 732.00 558.50 204.50 17.00 0.00 0.00 65.50 331.70 a 799.00 901.00 5780.20
1923 920.50 916.00 657.50 460.50 174.00 141.00 0.00 0.00 116.38 a 383.50 570.00 1028.50 5367.88
1924 1453.00 650.00 754.50 359.50 68.50 33.50 0.00 3.00 100.00 352.00 688.50 1164.00 5626.50
1925 866.50 616.50 562.00 334.00 110.50 91.00 0.00 4.00 103.00 359.00 708.00 949.50 4704.00
1926 995.50 671.50 480.00 221.50 121.00 6.50 0.50 13.95 a 124.50 277.97 a 507.00 993.00 4412.92
1927 893.32 a 437.00 j 560.00 0.00 z 101.00 h 8.08 d 0.00 z 0.00 144.50 229.50 496.61 b 1043.00 3375.00
1928 968.00 751.50 512.53 a 407.00 44.90 b 27.41 a 0.00 0.00 41.50 346.50 673.50 1046.00 4818.84
1929 1029.00 877.00 650.00 527.50 149.00 116.50 0.00 0.00 123.50 279.50 700.50 722.00 5174.50
1930 1249.50 635.00 592.62 a 272.00 329.50 23.00 0.00 0.00 114.00 391.50 750.50 1105.50 5463.12
1931 1004.50 719.50 611.50 354.00 72.50 17.00 0.00 0.00 156.50 270.50 820.50 1163.00 5189.50
1932 1124.50 1018.50 613.50 455.50 238.50 72.00 2.50 10.00 25.00 356.50 552.00 1207.50 5676.00
1933 1144.00 1152.50 655.50 473.00 410.00 17.00 0.00 0.00 44.50 152.50 686.50 842.00 5577.50
1934 842.50 691.50 373.00 219.31 a 94.00 86.50 0.00 0.00 115.50 358.00 616.00 961.00 4357.31
1935 986.50 768.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 16.50 435.03 a 966.50 1013.59 c 4186.62
1936 907.00 837.00 624.00 306.50 182.50 78.50 8.00 0.00 100.50 291.50 699.00 964.50 4999.00
1937 1568.00 944.00 675.00 473.00 123.00 35.00 0.00 0.00 k 36.00 j 243.50 589.50 897.00 5548.00
1938 949.00 821.50 794.50 397.50 226.50 68.50 2.50 0.00 23.00 357.00 867.50 886.00 5393.50
1939 949.50 918.50 599.50 244.00 122.50 69.50 0.00 0.00 69.50 356.50 613.00 836.00 4778.50
1940 1052.93 b 734.50 569.50 393.00 57.50 15.00 0.00 0.00 102.50 231.00 775.50 0.00 z 3931.43
1941 875.50 667.50 598.00 526.50 157.50 52.00 0.00 2.50 123.50 374.00 601.00 859.50 4837.50
1942 1260.50 837.50 704.22 a 412.00 306.50 38.00 0.00 9.50 50.50 252.50 627.50 863.00 5361.72
1943 950.50 678.50 586.00 285.50 205.00 107.50 0.00 5.00 0.00 314.50 658.97 a 931.50 4722.97
1944 1074.00 862.50 738.04 e 522.50 162.50 134.50 0.00 0.00 68.50 273.00 844.50 1003.00 5683.04
1945 1002.50 744.50 775.00 461.00 219.50 90.50 0.00 1.00 136.00 265.50 658.50 971.50 5325.50
1946 968.23 a 821.50 641.38 b 308.00 154.00 15.50 0.00 u 0.00 88.50 503.50 792.50 897.00 5190.11
1947 1072.50 594.50 537.50 353.50 79.00 52.50 0.00 9.50 50.50 300.00 837.50 957.50 4844.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.50 0.00 104.00 342.50 693.50 1065.50 2206.00
1949 1606.00 1015.00 670.00 246.50 186.50 41.50 0.00 0.00 28.00 400.50 500.00 976.00 5670.00
1950 1004.00 675.50 677.50 320.50 242.26 d 40.50 0.00 0.00 70.50 203.00 511.00 739.00 4483.76
1951 878.50 701.00 709.00 251.50 197.50 42.50 0.00 0.50 10.00 318.50 641.00 988.50 4738.50
1952 1007.00 749.50 781.50 354.00 106.00 77.00 0.00 0.00 65.00 110.50 758.50 884.50 4893.50
1953 736.00 710.50 613.50 430.50 397.00 109.50 0.00 10.00 6.50 293.00 525.50 903.00 4735.00
1954 852.00 607.00 740.50 267.00 114.00 123.00 0.00 14.00 67.00 285.50 527.00 981.00 4578.00
1955 1077.00 459.50 m 177.00 u 544.50 230.00 54.50 6.00 0.00 117.00 202.61 c 689.00 578.50 h 2920.61
1956 699.00 f 995.84 a 617.13 d 429.00 226.50 56.00 0.00 0.00 30.50 369.50 757.50 948.00 4429.97
1957 1157.00 658.00 616.50 441.50 245.00 25.00 0.00 1.50 52.50 440.00 763.00 660.50 f 4400.00
1958 900.50 589.00 802.00 455.50 66.50 66.50 0.50 0.00 a 64.14 a 172.88 e 638.50 737.50 4493.52
1959 806.00 774.00 561.00 291.50 274.50 1.00 0.00 17.00 147.00 268.00 613.00 997.00 4750.00
1960 1094.00 849.50 536.00 377.50 241.50 6.50 0.00 13.00 15.00 249.50 f 677.00 940.00 4750.00
1961 922.50 643.50 634.00 390.50 209.50 28.50 0.52 a 0.00 133.50 249.00 g 776.00 964.50 4703.02
1962 1184.50 931.50 779.50 252.00 257.00 45.50 3.50 0.00 27.00 239.50 543.50 887.00 5150.50
1963 1102.50 533.50 705.50 585.00 152.50 121.50 0.00 0.00 40.50 225.02 b 671.00 921.50 5058.52
1964 980.00 848.00 746.50 474.50 292.00 97.50 0.00 4.00 91.00 187.50 652.50 g 832.00 4553.00
1965 968.00 733.50 694.00 398.50 296.00 72.50 0.00 b 1.00 164.44 c 177.50 582.93 a 965.00 5053.38
1966 920.50 808.50 557.50 289.00 59.00 57.00 1.50 2.50 54.50 291.00 563.50 946.50 4551.00
1967 895.50 661.00 659.00 686.50 233.00 97.00 0.00 0.00 15.50 233.50 521.50 1047.00 5049.50
1968 955.00 474.50 k 553.50 467.59 a 193.00 51.00 0.00 45.50 75.50 295.00 453.50 h 646.00 m 2636.09
1969 849.00 822.00 698.50 459.00 86.00 50.50 0.00 0.00 11.50 489.50 416.50 i 587.00 h 3466.00
1970 876.00 635.50 667.50 563.00 170.50 86.00 2.50 0.00 123.50 399.00 571.50 977.50 5072.50
1971 882.50 696.00 708.00 450.50 282.00 72.50 0.00 0.00 103.50 439.50 697.50 1067.50 5399.50
1972 1117.00 717.00 437.50 460.00 137.50 21.00 1.50 2.00 100.50 375.00 734.00 0.00 z 4103.00
1973 0.00 z 747.00 715.50 431.50 102.50 30.50 0.00 9.00 0.00 z 0.00 z 633.00 858.50 3527.50
1974 1001.00 765.50 593.00 520.00 163.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3043.00
1975 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
1976 0.00 z 775.00 728.50 540.00 145.04 c 72.50 0.00 43.00 29.50 255.00 526.55 a 942.00 4057.09
1977 1010.50 0.00 z 719.00 291.21 a 438.13 a 25.18 b 0.00 1.50 78.00 191.50 541.00 728.00 4024.02
1978 824.50 656.44 a 415.92 a 412.24 a 213.38 a 38.00 10.00 11.00 124.44 c 0.00 z 761.25 b 1117.00 4584.18
1979 1104.00 713.44 c 547.09 d 0.00 z 158.74 b 42.50 7.48 b 3.21 b 1.55 a 203.05 a 680.69 a 794.00 4255.75
1980 847.00 696.52 a 721.50 418.33 c 276.42 a 110.69 a 3.00 0.00 71.50 0.00 z 504.00 g 828.50 3973.46
1981 646.50 f 459.00 h 408.50 k 289.62 d 183.70 d 40.71 b 0.00 c 0.00 46.55 a 437.32 c 614.48 a 601.00 g 1612.39
1982 1275.50 673.50 681.50 498.50 159.50 60.50 13.50 0.00 176.50 427.50 808.50 976.00 5751.00
1983 882.50 660.00 666.50 579.50 295.00 24.50 9.00 3.00 60.00 240.00 656.50 867.50 4944.00
1984 1065.50 783.50 523.00 447.50 124.50 39.00 0.00 0.00 i 55.34 a 410.00 668.00 992.00 5108.34
1985 1088.10 a 778.00 719.20 a 232.00 128.43 c 29.50 0.00 0.00 129.00 317.50 799.14 a 1050.00 5270.87
1986 739.00 566.00 406.00 346.00 199.95 a 0.00 0.00 0.00 197.00 264.02 a 538.50 891.50 4147.97
1987 1045.00 694.50 586.00 201.00 105.00 13.00 13.50 0.00 8.00 139.50 630.00 985.00 4420.50
1988 1036.00 688.00 561.00 317.50 206.15 a 54.00 0.00 0.00 62.00 86.00 648.50 1035.50 4694.65
1989 1107.50 1025.00 490.50 222.00 156.50 4.00 0.00 4.00 29.50 i 298.50 604.00 871.50 4783.50
1990 948.50 809.00 483.08 a 174.50 191.50 23.50 0.00 5.00 8.00 227.00 676.50 1233.50 4780.08
1991 1084.50 518.50 692.00 423.00 281.50 40.50 0.00 1.50 11.50 217.00 596.50 961.00 4827.50
1992 952.50 608.50 474.00 146.50 i 20.50 62.50 0.00 3.50 10.50 196.50 736.50 1015.00 4080.00
1993 1210.00 813.50 416.00 373.00 92.50 81.00 1.00 2.00 38.00 287.50 506.50 i 941.50 4256.00
1994 853.50 518.50 i 288.00 j 302.00 121.00 13.50 0.00 0.00 27.50 335.00 900.50 968.50 3521.50
1995 874.00 194.50 p 625.00 287.50 k 254.50 103.50 2.00 l 0.00 20.50 248.50 405.50 780.68 a 3312.18
1996 787.92 a 437.00 j 582.50 208.00 l 92.50 i 22.00 0.00 0.00 53.08 d 194.00 j 597.00 796.50 2838.99
1997 942.40 a 430.00 j 182.00 p 416.00 76.50 20.50 9.00 0.00 20.00 305.50 592.00 1027.00 3408.90
1998 492.50 j 731.00 344.00 m 453.00 184.50 o 41.00 0.00 0.00 54.00 379.00 637.24 a 982.50 3277.74
1999 655.50 f 497.00 h 396.00 k 388.00 h 124.00 n 35.50 j 0.00 f 0.00 e 42.12 d 153.00 f 310.00 j 491.00 n 42.12
2000 650.00 f 497.50 f 576.48 e 179.00 h 136.40 a 9.00 e 1.60 b 0.00 f 69.50 f 325.50 d 482.50 l 708.00 f 1048.98
2001 810.50 f 822.96 e 379.00 f 380.40 e 48.71 c 20.17 a 0.00 d 0.00 e 0.50 f 166.33 e 491.00 f 657.50 h 1438.57
2002 952.50 682.00 659.50 272.50 181.00 24.00 0.00 0.00 25.00 174.00 k 640.00 836.50 4273.00
2003 671.00 764.00 468.00 499.00 189.00 4.50 0.00 0.00 11.50 p 25.00 o 478.00 k 0.00 z 2595.50
2004 0.00 z 289.50 s 197.50 l 178.50 h 55.50 g 23.50 0.00 3.58 e 0.00 z 0.00 z 0.00 z 483.00 m 27.08
2005 490.50 q 476.00 k 238.00 p 418.80 e 150.83 e 76.20 e 0.00 0.00 0.00 z 0.00 z 0.00 z 160.50 z 645.83
2006 0.00 z 0.00 z 810.17 e 416.50 80.50 g 1.00 0.00 0.00 95.00 f 331.50 660.50 1022.50 3242.17
2007 546.00 o 0.00 z 0.00 z 365.50 55.50 l 29.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 283.00 w 394.50
2008 586.00 n 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
2009 0.00 z 699.50 629.50 454.00 105.92 a 54.50 j 0.00 9.50 0.00 z 0.00 l 0.00 z 1338.00 3236.42
2010 1016.00 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 0.00 z 0.00 z 1016.00
2011 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3.00 m 0.00 f 0.00 0.00 334.50 323.00 q 0.00 z 334.50
2012 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 33.62 a 0.00 l 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 33.62
2013 0.00 z 0.00 z 515.38 c 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 515.38
Period of Record Statistics
MEAN 1007.25 755.43 623.28 394.59 181.63 49.81 1.38 3.49 69.65 304.02 659.83 956.47 5031.05
S.D. 172.41 119.96 102.85 102.49 86.09 33.86 3.18 7.96 46.33 95.16 105.20 116.18 419.13
SKEW 1.27 0.77 -0.28 0.04 0.61 0.70 2.48 3.57 0.49 0.22 0.33 0.31 0.03
MAX 1606.00 1152.50 824.00 686.50 438.13 141.00 13.50 45.50 197.00 528.00 966.50 1338.00 5780.20
MIN 671.00 518.50 373.00 174.50 20.50 0.00 0.00 0.00 0.00 86.00 405.50 687.96 4147.97
NO YRS 83 79 85 86 87 90 88 91 84 82 82 82 52