RENO TAHOE INTL AP, NEVADA

Monthly Total Heating Degree Days

(266779)

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 690.00 576.00 235.50 107.50 2.00 15.50 121.00 406.00 645.50 896.50 3695.50
1938 897.50 897.00 804.00 497.50 295.50 78.00 19.00 6.50 93.00 497.50 875.50 918.00 5879.00
1939 903.00 899.50 655.00 380.00 260.50 129.50 0.50 0.50 100.50 462.00 598.50 781.00 5170.50
1940 955.00 734.00 658.00 501.50 153.00 29.00 1.50 0.50 191.00 390.50 798.00 878.00 5290.00
1941 859.00 667.00 703.00 604.00 309.00 140.50 10.50 34.00 267.00 519.50 679.50 912.00 5705.00
1942 1192.50 841.50 769.50 536.00 433.50 148.50 5.00 46.00 140.50 416.00 692.00 880.50 6101.50
1943 950.00 707.00 655.50 427.00 320.00 242.50 3.50 55.00 52.00 458.50 742.00 1082.00 5695.00
1944 1005.50 867.50 788.00 637.00 310.50 240.50 15.00 39.50 150.00 379.50 806.50 980.00 6219.50
1945 986.50 776.50 855.00 582.50 359.00 160.50 0.00 24.00 190.50 353.50 742.50 978.00 6008.50
1946 974.00 853.00 754.50 475.50 289.50 149.50 9.50 11.50 171.00 604.50 807.50 923.50 6023.50
1947 1038.50 645.50 675.00 495.50 157.00 156.50 28.50 41.00 135.00 414.00 885.00 1010.50 5682.00
1948 900.50 943.00 886.00 610.00 405.00 125.00 32.50 34.50 162.00 424.00 804.50 1177.00 6504.00
1949 1578.50 974.00 769.50 404.50 321.50 112.50 12.00 48.00 137.50 535.00 623.00 1038.00 6554.00
1950 1108.50 730.00 800.00 511.50 347.00 176.00 6.00 20.00 206.50 364.50 587.00 819.50 5676.50
1951 989.50 799.50 823.50 459.00 356.50 108.00 15.50 41.00 97.00 565.00 748.50 1068.50 6071.50
1952 1204.50 849.00 962.50 517.50 297.50 192.00 4.00 13.50 111.50 337.00 915.00 961.50 6365.50
1953 767.00 825.50 767.50 587.50 533.50 243.50 4.50 45.00 72.00 493.00 681.50 1002.50 6023.00
1954 923.00 702.50 861.00 439.50 206.50 197.00 9.00 87.00 224.50 477.00 708.50 1016.50 5852.00
1955 1248.00 923.50 817.00 708.50 359.50 129.00 55.00 8.50 207.00 443.00 768.00 911.50 6578.50
1956 959.50 1085.50 732.50 563.00 317.00 130.00 22.50 46.00 122.50 537.00 846.00 1069.00 6430.50
1957 1216.00 732.50 701.50 579.00 358.50 82.00 1.00 47.50 123.50 563.00 853.50 925.00 6183.00
1958 951.50 666.50 870.00 598.00 185.00 145.00 21.00 0.00 160.00 385.50 789.00 847.50 5619.00
1959 885.00 872.50 694.00 441.50 425.50 60.50 6.00 47.00 249.00 410.50 762.50 1103.50 5957.50
1960 1163.00 838.00 643.50 504.00 412.00 45.50 5.00 82.00 133.00 499.00 749.00 1022.00 6096.00
1961 980.50 680.50 727.50 539.50 360.50 57.50 10.50 8.50 273.00 476.00 855.00 1032.50 6001.50
1962 1187.50 866.50 789.00 447.50 417.50 121.00 9.00 116.50 132.50 430.00 726.00 966.50 6209.50
1963 1142.50 578.50 759.50 698.50 244.50 189.00 41.50 67.50 87.50 396.50 745.00 927.00 5877.50
1964 1010.00 895.50 846.50 592.50 408.00 141.00 7.50 30.50 208.50 303.00 810.50 900.00 6153.50
1965 975.00 699.50 677.00 461.00 342.50 179.00 36.00 36.00 304.50 392.00 702.50 1087.00 5892.00
1966 981.50 846.00 670.50 445.00 142.00 109.00 48.50 47.00 191.50 479.00 720.00 960.50 5640.50
1967 867.50 691.00 758.50 743.00 324.50 181.50 2.50 3.50 92.00 435.00 669.00 1139.50 5907.50
1968 1031.50 656.50 700.00 613.50 378.50 116.00 0.00 94.50 186.00 447.00 727.00 1041.50 5992.00
1969 869.00 863.00 752.00 500.00 215.00 109.50 6.00 14.50 83.00 612.50 779.50 879.00 5683.00
1970 858.50 646.00 731.50 628.50 222.50 94.00 0.00 0.50 241.00 527.00 590.00 1109.50 5649.00
1971 993.50 787.00 748.50 573.00 437.50 169.00 11.00 14.00 270.00 595.50 826.00 1191.50 6616.50
1972 1225.00 719.00 554.50 565.50 264.00 58.00 10.00 27.50 256.00 512.50 809.50 1238.50 6240.00
1973 1135.50 767.00 840.50 637.00 204.00 91.00 8.50 38.00 198.50 491.50 666.50 829.00 5907.00
1974 1035.50 807.50 687.50 555.00 317.00 77.00 53.50 44.00 124.50 486.50 739.00 1052.50 5979.50
1975 1015.50 865.00 824.00 755.00 339.00 118.50 28.00 69.50 56.50 483.00 873.50 968.50 6396.00
1976 1021.00 870.50 828.00 615.50 233.00 142.00 15.50 121.50 121.50 425.00 679.00 1071.00 6143.50
1977 1014.50 702.00 836.00 410.50 516.50 31.50 10.50 13.50 159.50 397.50 695.00 829.00 5616.00
1978 866.00 745.50 550.50 591.50 394.00 119.50 22.50 67.00 241.00 356.50 833.00 1243.00 6030.00
1979 1120.50 787.50 717.50 543.50 254.50 95.00 10.50 32.50 59.50 344.00 810.50 916.00 5691.50
1980 871.50 709.00 821.00 456.50 329.00 157.50 15.00 38.50 82.00 437.00 696.50 893.00 5506.50
1981 898.50 733.50 724.50 431.00 236.00 49.00 13.50 8.00 86.00 560.50 676.00 808.00 5224.50
1982 1131.00 692.50 764.00 630.50 312.50 139.00 16.00 12.50 284.00 562.50 864.00 1013.50 6422.00
1983 955.50 738.50 760.00 637.00 378.50 83.00 43.50 10.50 108.50 339.00 714.00 813.50 5581.50
1984 1026.50 807.00 644.50 577.00 188.00 137.50 0.00 9.00 114.00 583.00 762.50 1064.00 5913.00
1985 1066.00 786.00 817.50 369.50 273.00 46.50 5.50 14.00 235.00 454.50 905.00 1048.00 6020.50
1986 767.00 623.50 537.50 475.00 290.50 34.50 5.00 0.00 298.50 436.00 661.50 922.00 5051.00
1987 1035.00 746.00 669.00 307.50 187.00 36.50 41.00 5.50 48.50 273.00 695.50 1025.00 5069.50
1988 992.00 719.50 649.50 414.50 273.50 89.00 0.00 1.00 138.00 208.50 669.50 1050.50 5205.50
1989 1058.00 949.50 576.50 331.00 266.50 23.50 0.00 24.00 105.00 424.00 696.00 905.00 5359.00
1990 951.50 958.50 598.50 317.50 266.00 70.00 0.00 21.50 61.50 319.50 722.50 1218.00 5505.00
1991 1029.50 597.00 780.50 545.50 410.50 111.50 0.00 6.00 45.00 272.00 648.50 972.00 5418.00
1992 950.00 674.50 562.50 280.50 62.50 84.50 11.00 11.00 46.00 301.50 755.50 1065.50 4805.00
1993 1217.50 860.50 512.50 489.00 208.00 142.00 17.00 9.00 80.00 322.50 739.00 882.50 5479.50
1994 845.50 743.50 505.00 366.50 190.00 37.00 0.00 0.00 61.50 395.00 897.50 910.00 4951.50
1995 830.50 533.00 673.00 526.00 315.00 150.00 4.50 0.50 92.50 391.00 560.00 835.50 4911.50
1996 851.50 739.50 706.00 494.50 307.00 75.50 2.50 7.50 162.00 470.50 711.50 826.50 5354.50
1997 955.50 763.50 566.00 527.50 144.50 106.50 11.50 4.00 98.00 480.00 691.50 1055.00 5403.50
1998 831.00 806.50 706.00 588.00 438.50 91.50 0.00 0.00 86.50 472.00 667.50 1033.50 5721.00
1999 849.00 709.50 655.00 550.50 227.00 82.50 0.00 19.50 38.50 280.00 550.00 935.50 4897.00
2000 816.00 689.00 601.00 328.50 191.00 17.50 8.00 0.00 106.50 409.00 817.00 873.50 4857.00
2001 991.50 818.50 508.00 517.50 55.50 15.50 0.00 0.00 11.50 223.50 613.50 883.50 4638.50
2002 949.00 676.50 692.50 390.50 240.50 36.00 0.00 0.00 52.00 385.00 657.00 854.00 4933.00
2003 680.50 769.00 574.00 587.50 229.00 18.50 0.00 0.00 21.50 186.50 750.50 834.00 4651.00
2004 892.50 764.00 418.50 341.00 148.50 26.50 0.00 3.00 66.00 387.00 741.50 932.00 4720.50
2005 1119.50 740.50 582.50 476.00 223.00 81.21 a 0.00 1.50 106.50 297.50 589.00 806.50 5023.71
2006 843.00 723.50 802.50 429.50 128.50 11.50 0.00 0.00 91.50 377.50 621.00 936.00 4964.50
2007 1047.00 678.00 484.00 362.50 119.50 31.50 0.00 0.00 134.00 387.00 620.00 959.50 4823.00
2008 1020.50 756.50 619.50 453.50 226.00 37.00 0.00 0.00 22.00 330.00 561.50 951.00 4977.50
2009 850.50 696.00 660.00 441.00 91.00 70.00 0.00 9.50 25.00 404.00 637.50 1181.00 5065.50
2010 873.00 677.50 613.50 502.00 377.50 31.00 0.00 19.00 24.00 299.00 723.00 798.00 4937.50
2011 859.50 855.08 b 636.50 481.50 329.50 88.00 0.00 0.00 3.50 271.00 687.50 973.00 5185.08
2012 808.00 746.00 597.50 362.00 149.00 47.00 0.00 0.00 1.50 227.00 565.50 861.50 4365.00
2013 1075.50 743.00 489.50 17.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 45.50 z 2308.00
Period of Record Statistics
MEAN 985.86 770.11 699.27 507.10 282.57 102.44 10.72 24.68 129.48 416.99 726.76 969.79 5630.04
S.D. 140.42 99.65 110.51 103.99 101.76 57.15 13.68 27.98 76.98 97.42 90.44 112.10 549.47
SKEW 1.05 0.44 -0.23 0.01 0.02 0.42 1.67 1.50 0.50 -0.16 0.10 0.50 -0.22
MAX 1578.50 1085.50 962.50 755.00 533.50 243.50 55.00 121.50 304.50 612.50 915.00 1243.00 6616.50
MIN 680.50 533.00 418.50 280.50 55.50 11.50 0.00 0.00 1.50 186.50 550.00 781.00 4365.00
NO YRS 76 76 77 76 76 76 76 76 76 76 76 76 75