TONOPAH AP, NEVADA

Monthly Total Heating Degree Days

(268170)

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
1954 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 22.00 j 0.00 19.00 79.00 371.00 615.00 1049.00 2133.00
1955 1511.00 1076.00 772.50 615.50 335.50 74.50 1.50 0.00 128.50 313.10 a 772.00 948.50 6548.60
1956 916.50 981.00 721.50 489.00 221.00 28.50 2.50 0.50 50.50 479.50 757.00 945.50 5593.00
1957 1202.50 673.00 694.50 499.00 342.00 47.50 0.50 21.00 77.00 496.00 855.50 930.50 5839.00
1958 967.00 711.50 863.50 572.00 155.50 55.50 0.00 0.00 67.50 289.50 714.00 814.00 5210.00
1959 961.50 916.50 662.00 361.00 301.50 4.50 0.00 16.50 158.50 282.50 652.24 a 936.50 5253.24
1960 1120.50 913.00 552.50 437.50 254.50 0.00 0.00 11.00 14.50 416.00 769.00 965.00 5453.50
1961 957.00 770.52 a 751.00 454.00 277.50 39.50 0.00 1.50 160.00 451.50 852.00 1057.00 5771.52
1962 1183.00 891.50 880.50 334.00 353.00 71.50 3.62 a 0.50 66.00 316.50 690.50 929.50 5720.12
1963 1093.00 613.00 848.50 669.00 194.00 173.50 2.00 16.00 61.00 303.00 752.50 943.50 5669.00
1964 1139.50 933.00 877.00 547.50 316.00 82.00 0.00 10.00 103.50 242.50 901.00 990.50 6142.50
1965 948.00 794.50 788.00 551.00 390.50 89.00 0.00 0.00 227.50 261.50 677.50 1054.00 5781.50
1966 1116.00 947.00 664.00 424.50 122.50 45.00 1.50 8.00 66.00 362.00 690.00 993.50 5440.00
1967 1011.00 762.00 701.50 782.50 274.50 128.50 0.00 0.00 59.00 322.50 604.50 1230.50 5876.50
1968 1081.50 746.00 648.50 567.50 253.00 70.50 0.00 65.50 115.00 384.00 751.00 1190.00 5872.50
1969 970.00 938.00 836.50 491.00 121.50 74.00 0.00 0.00 24.50 563.00 711.00 959.00 5688.50
1970 999.00 694.00 766.50 677.50 195.50 89.00 4.00 0.00 158.00 468.50 724.00 1144.00 5920.00
1971 983.00 793.50 766.50 547.50 391.50 56.00 0.00 0.00 185.00 523.50 828.50 1222.50 6297.50
1972 1140.00 777.50 505.50 507.00 225.50 20.00 0.00 4.00 116.50 488.00 831.50 1157.00 5772.50
1973 1174.00 838.50 861.00 540.50 160.00 55.00 0.00 12.50 109.00 428.00 852.50 951.00 5982.00
1974 1169.00 848.00 675.50 584.00 172.00 13.00 2.50 1.50 43.00 418.00 735.00 1050.50 5712.00
1975 1055.00 865.50 859.00 753.00 316.50 74.00 0.50 23.00 25.50 492.50 823.00 916.50 6204.00
1976 932.00 825.00 843.00 603.50 151.50 64.50 4.00 26.50 103.00 395.50 630.00 990.50 5569.00
1977 1089.00 703.00 920.50 410.00 467.00 15.00 0.00 3.50 133.50 310.50 679.50 849.00 5580.50
1978 932.00 824.00 612.00 582.00 320.50 35.00 5.00 27.00 204.50 288.00 812.00 1184.50 5826.50
1979 1211.00 909.00 708.00 487.00 210.50 68.00 6.00 20.50 19.50 312.50 787.50 910.00 5649.50
1980 924.00 712.50 820.00 448.00 341.50 78.50 0.00 14.50 91.00 377.00 685.50 822.00 5314.50
1981 880.00 802.00 748.00 366.50 264.00 29.00 0.00 0.00 36.00 512.50 693.00 900.00 5231.00
1982 1092.00 776.50 809.00 568.00 241.00 79.00 5.00 0.00 173.50 483.00 842.50 1013.00 6082.50
1983 940.50 751.00 755.50 664.00 321.50 42.00 9.00 17.00 69.50 346.00 807.00 942.00 5665.00
1984 917.00 822.00 697.00 562.50 134.00 73.50 2.50 1.50 73.50 563.00 803.00 1200.00 5849.50
1985 1171.00 892.00 809.00 315.50 189.00 28.50 0.00 0.50 205.50 408.00 945.50 961.00 5925.50
1986 801.50 667.00 546.00 460.50 207.00 3.00 0.00 0.00 268.00 440.00 714.50 965.50 5073.00
1987 1251.50 786.50 766.00 326.50 190.50 10.50 24.00 1.00 20.50 254.50 727.50 1161.00 5520.00
1988 1160.50 727.50 677.00 448.50 260.50 68.00 0.00 1.50 122.00 161.00 736.00 1061.50 5424.00
1989 1162.00 916.50 583.00 268.50 231.00 25.00 0.00 7.00 63.50 0.00 z 667.50 893.00 4817.00
1990 1043.00 870.50 598.50 337.50 238.50 42.50 0.00 24.00 63.00 331.50 738.50 1226.50 5514.00
1991 1043.00 627.00 843.50 564.50 380.00 25.50 0.00 0.00 39.50 288.00 705.00 967.00 5483.00
1992 1061.50 734.00 640.50 283.00 60.00 68.50 4.50 6.00 25.50 272.00 824.50 1155.00 5135.00
1993 1090.00 856.00 553.50 439.50 149.50 99.00 0.00 1.50 95.00 348.50 846.00 1029.00 5507.50
1994 928.00 896.00 566.00 428.50 204.00 8.00 0.00 0.00 70.00 438.50 994.50 1012.00 5545.50
1995 949.00 590.50 723.00 528.50 347.50 155.00 0.00 0.00 41.00 334.50 545.50 915.00 5129.50
1996 931.50 717.00 645.00 407.00 166.50 27.50 0.00 0.00 108.00 445.50 723.50 1001.00 5172.50
1997 1011.00 793.00 570.50 506.00 97.00 48.50 6.50 0.00 60.00 425.00 710.00 1083.00 5310.50
1998 946.00 877.00 699.50 582.50 443.50 137.50 0.00 6.00 100.50 501.50 779.00 1009.00 6082.00
1999 991.00 830.00 722.50 620.00 240.50 84.00 1.50 9.50 51.50 280.50 631.00 958.50 5420.50
2000 899.00 766.00 679.00 336.50 158.00 20.00 1.00 6.50 88.00 425.00 860.50 918.50 5158.00
2001 1134.00 949.00 607.50 549.00 96.00 28.50 1.00 0.00 5.00 287.50 702.69 d 1002.00 5362.19
2002 1007.00 724.50 753.50 371.00 199.00 27.00 0.00 0.00 67.50 412.50 708.50 1020.50 5291.00
2003 754.00 831.00 656.50 583.00 254.50 12.00 0.00 0.00 20.50 193.50 848.50 1061.50 5215.00
2004 1006.00 916.50 461.00 421.50 182.00 25.00 0.00 2.00 114.00 447.00 770.00 979.00 5324.00
2005 949.50 756.50 702.50 543.00 213.50 75.50 0.00 0.00 138.00 368.50 648.50 981.00 5376.50
2006 966.00 782.50 917.00 475.50 130.50 11.50 0.00 0.00 125.00 445.50 728.50 1109.50 5691.50
2007 1096.50 795.50 558.00 412.00 154.00 39.50 0.00 0.00 137.68 b 426.00 650.50 1107.50 5377.18
2008 1124.50 844.50 707.50 523.00 297.00 49.50 0.00 0.00 35.50 362.00 590.50 1131.00 5665.00
2009 880.00 810.50 756.50 505.00 56.00 93.50 0.00 6.00 21.00 478.00 713.50 1190.63 d 5510.63
2010 1023.00 798.50 782.00 589.00 424.00 36.50 0.00 17.00 38.50 350.50 801.50 876.00 5736.50
2011 981.50 864.64 c 732.00 530.50 361.50 71.00 0.50 0.00 13.00 328.50 845.00 1004.40 a 5732.54
2012 898.00 833.50 667.50 396.50 146.00 38.00 0.00 0.00 4.50 297.50 621.50 999.00 4902.00
2013 1065.50 829.00 531.00 19.50 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 42.00 z 2425.50
Period of Record Statistics
MEAN 1032.89 811.71 712.95 497.38 239.69 54.03 1.51 6.94 87.13 379.51 747.08 1016.40 5598.25
S.D. 124.18 94.69 109.80 111.69 97.04 37.22 3.59 11.22 59.40 91.31 90.00 105.09 331.73
SKEW 0.84 0.02 -0.15 0.11 0.32 1.02 4.52 2.79 0.88 -0.05 0.26 0.42 0.42
MAX 1511.00 1076.00 920.50 782.50 467.00 173.50 24.00 65.50 268.00 563.00 994.50 1230.50 6548.60
MIN 754.00 590.50 461.00 268.50 56.00 0.00 0.00 0.00 4.50 161.00 545.50 814.00 4902.00
NO YRS 59 59 59 58 58 58 59 59 59 58 59 59 57