WEAVERVILLE RANGER STN, CALIFORNIA

Monthly Total Heating Degree Days

(049490)

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
1894 696.00 578.50 564.50 299.50 151.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2290.00
1895 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
1896 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
1897 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
1898 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
1899 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
1900 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
1901 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
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 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1908 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
1909 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
1910 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 738.83 a 738.83
1911 888.50 684.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1573.00
1912 0.00 z 0.00 z 0.00 z 518.00 271.00 116.00 31.50 52.00 142.00 481.50 591.50 780.68 a 2984.18
1913 1017.00 743.00 659.50 478.00 214.50 135.00 19.00 21.50 87.50 305.00 592.50 858.00 5130.50
1914 581.50 h 663.00 463.45 a 404.50 142.00 140.00 0.00 0.00 r 159.00 329.50 626.50 928.50 3856.45
1915 903.00 667.50 504.50 346.00 346.50 248.00 31.50 12.40 a 169.50 300.00 687.50 934.00 5150.40
1916 996.13 a 540.50 465.50 278.50 359.50 99.50 27.50 13.00 53.00 368.50 710.50 943.00 4855.13
1917 982.00 710.00 748.13 a 459.50 327.00 55.00 g 7.50 6.00 41.00 i 236.67 e 532.24 a 684.50 4693.55
1918 690.02 b 637.50 518.50 346.00 237.00 12.50 18.60 a 33.07 a 24.00 224.50 579.00 855.60 a 4176.28
1919 803.00 712.50 579.00 316.50 156.00 80.00 0.50 1.00 84.83 a 420.22 d 612.22 c 906.20 c 4671.97
1920 730.29 e 571.50 626.00 455.00 244.00 83.50 12.00 9.50 91.50 412.00 604.00 825.00 4664.29
1921 833.00 566.00 493.00 428.00 265.50 56.00 1.50 1.00 78.50 178.52 b 526.50 777.50 4205.02
1922 881.00 721.00 706.28 a 482.00 248.00 17.00 0.00 a 0.00 s 46.50 323.50 740.17 a 828.00 4993.46
1923 839.50 649.50 560.00 430.34 a 257.50 132.00 6.50 6.50 i 0.00 z 0.00 z 100.50 z 1059.00 3934.34
1924 1116.00 610.00 810.00 389.50 151.00 85.00 13.95 a 25.50 151.00 584.50 802.00 1041.60 a 5780.05
1925 828.50 748.00 628.86 c 460.00 c 303.00 151.00 0.00 39.00 318.00 615.50 791.00 856.50 5739.36
1926 855.00 602.56 c 204.00 n 240.50 190.50 22.50 0.00 11.00 133.50 217.55 c 445.00 793.71 b 3511.82
1927 709.50 618.50 577.50 416.00 366.83 a 23.00 3.00 14.50 156.00 283.50 519.50 815.00 4502.83
1928 771.50 564.00 454.50 426.00 84.00 72.00 8.00 3.00 95.69 a 305.00 567.00 858.00 4208.69
1929 860.00 508.50 500.00 517.50 221.00 148.00 4.00 88.00 243.00 212.87 a 563.00 537.50 4403.37
1930 884.00 544.00 482.50 341.50 332.22 a 57.93 a 0.00 5.50 111.00 363.50 600.50 900.50 4623.15
1931 835.00 591.50 520.00 349.50 86.80 a 78.50 1.00 2.50 176.50 391.00 748.50 939.00 4719.80
1932 977.50 752.00 602.50 576.00 355.98 a 84.00 7.00 30.00 11.90 a 295.00 512.50 956.50 5160.88
1933 944.50 837.00 633.50 433.00 436.50 83.00 0.00 11.00 118.00 174.50 530.50 842.00 5043.50
1934 657.50 542.00 365.00 275.00 199.50 143.50 0.00 z 0.00 z 0.00 z 0.00 z 589.50 752.50 3524.50
1935 866.50 644.00 746.00 438.50 179.00 63.50 23.00 3.00 18.50 332.50 556.00 752.00 4622.50
1936 732.00 526.50 520.50 278.50 181.00 52.00 18.00 2.50 101.50 296.50 697.00 867.50 4273.50
1937 1206.42 a 814.59 a 617.00 473.00 124.50 g 113.79 a 1.50 43.00 99.00 299.50 554.50 728.00 4950.30
1938 804.50 705.50 696.50 390.50 194.00 38.00 7.00 11.00 69.50 362.50 707.50 814.50 4801.00
1939 834.00 757.00 514.50 264.00 135.00 69.50 10.00 12.50 95.00 305.00 601.00 745.00 4342.50
1940 730.05 a 645.50 567.50 331.50 134.00 3.00 g 2.50 1.00 0.00 z 0.00 z 676.50 780.50 3869.05
1941 729.00 539.00 481.00 438.75 b 239.00 119.00 4.00 32.00 171.50 427.80 a 548.28 a 783.55 b 4512.88
1942 818.00 696.89 a 639.63 a 478.39 b 367.50 88.45 a 4.00 20.00 57.50 314.00 653.00 810.00 4947.36
1943 866.45 a 613.00 531.50 409.50 281.50 128.33 c 0.00 19.00 19.50 358.50 587.00 765.50 4579.78
1944 857.50 692.50 557.50 500.36 b 220.50 118.45 a 0.00 14.98 a 0.00 z 228.00 812.50 742.00 4744.29
1945 453.50 n 584.50 698.50 436.73 d 250.50 47.00 i 0.00 16.50 95.50 251.00 634.50 803.86 b 3771.59
1946 872.50 755.50 648.00 354.00 190.00 139.00 g 4.13 a 9.00 120.50 488.80 c 681.00 815.50 4938.94
1947 869.00 523.00 513.50 335.50 130.00 118.00 30.50 51.00 69.50 321.50 655.00 798.50 4415.00
1948 818.50 776.00 728.50 642.00 354.00 115.20 e 36.50 17.50 110.19 d 347.00 700.50 992.50 5638.39
1949 1128.50 832.00 704.00 315.00 207.00 62.50 7.23 a 9.00 43.50 388.00 490.00 905.50 5092.23
1950 1127.00 725.00 690.00 440.36 b 279.55 c 96.50 h 0.00 7.00 88.00 325.50 a 536.00 689.00 4907.41
1951 864.00 681.00 674.54 d 295.34 a 217.50 61.00 10.00 24.05 b 33.10 a 406.62 a 443.50 g 894.83 e 4161.98
1952 946.50 755.00 731.60 a 392.00 255.50 164.50 0.00 b 10.00 46.00 192.50 483.00 h 665.50 h 3493.60
1953 772.62 e 194.00 r 511.00 g 498.33 c 429.50 216.50 2.00 78.50 36.00 327.88 e 415.50 h 515.00 k 2361.33
1954 863.23 e 579.00 654.50 342.50 173.50 188.50 9.00 57.87 a 161.00 394.50 613.00 906.00 4942.60
1955 948.50 776.50 715.50 672.41 a 278.00 124.00 89.50 4.00 159.00 324.47 a 760.00 816.00 5667.88
1956 823.00 853.00 668.50 424.50 248.00 a 118.50 13.50 30.00 144.00 353.00 f 636.96 b 860.50 4820.46
1957 1010.50 631.50 609.00 458.28 a 234.05 a 64.00 0.00 24.00 50.50 398.50 676.55 a 812.00 4968.88
1958 815.50 565.50 712.50 395.50 107.50 60.00 a 4.65 a 0.00 92.50 241.50 602.00 674.77 a 4271.92
1959 808.50 697.00 576.00 315.50 331.00 68.00 9.50 20.00 147.00 297.71 b 611.50 916.00 4797.71
1960 910.00 749.34 a 582.00 480.00 b 342.50 13.50 0.00 40.50 38.00 323.00 662.00 821.00 4961.84
1961 779.50 628.00 682.50 419.00 343.00 54.50 16.00 0.50 137.07 a 328.00 679.00 869.00 4936.07
1962 902.00 681.00 705.00 332.00 335.83 a 85.00 3.50 20.50 52.00 309.50 539.50 779.98 c 4745.82
1963 891.50 470.50 694.50 634.50 228.50 132.50 37.50 29.00 57.50 299.00 678.21 b 813.50 4966.71
1964 904.50 699.50 714.00 490.50 323.50 140.00 17.50 17.00 128.50 241.00 689.50 781.50 5147.00
1965 871.00 635.00 579.00 474.00 307.00 116.00 0.00 z 17.50 126.00 245.50 569.44 c 933.00 4873.44
1966 947.50 737.00 638.50 344.48 a 155.50 130.00 41.00 25.00 87.00 305.00 589.50 806.00 4806.48
1967 880.00 631.50 738.00 728.50 258.00 108.50 0.50 0.00 13.50 343.00 519.00 1071.88 e 5292.38
1968 957.50 594.50 595.00 441.50 281.50 90.00 0.50 71.00 89.50 344.58 e 473.50 i 917.50 4383.08
1969 1010.50 799.08 b 676.32 a 486.50 161.50 69.50 4.00 13.00 54.00 484.00 609.00 792.00 5159.39
1970 772.00 573.48 a 599.00 594.00 216.50 81.00 1.50 2.50 118.00 377.50 576.00 906.50 4817.98
1971 888.50 687.00 718.50 543.50 292.00 118.50 16.00 11.50 149.50 445.00 701.00 986.00 5557.00
1972 896.00 708.50 516.50 521.50 226.30 a 62.00 2.50 33.00 158.00 372.00 e 662.40 e 893.00 f 4158.70
1973 942.00 634.15 a 717.13 a 393.62 a 164.00 68.00 0.00 z 28.50 83.00 353.63 d 655.00 606.50 f 4039.03
1974 899.00 b 720.50 630.50 502.00 266.00 43.00 43.50 13.50 26.50 321.00 633.50 849.50 4948.50
1975 895.38 a 743.04 a 736.50 662.50 284.50 95.00 37.00 48.00 14.50 441.75 a 713.04 b 801.00 5472.21
1976 836.00 711.66 d 670.12 a 0.00 z 198.50 137.00 21.50 76.00 45.00 197.50 f 322.50 j 449.50 n 2695.78
1977 826.00 556.00 704.50 365.50 0.00 z 33.00 17.80 d 24.05 b 0.00 z 0.00 z 0.00 z 0.00 z 2526.85
1978 0.00 z 0.00 z 0.00 z 274.00 n 212.00 i 85.50 10.50 57.50 175.34 a 167.00 f 417.50 k 615.50 k 328.84
1979 642.00 i 486.00 j 348.50 m 321.00 m 174.50 j 80.69 a 14.35 d 25.50 25.00 296.88 e 445.00 k 452.00 n 442.43
1980 550.00 k 464.00 i 414.00 n 310.50 k 0.00 z 170.17 a 0.00 z 0.00 z 0.00 z 301.39 d 339.50 o 539.00 k 471.56
1981 468.00 l 350.00 m 353.50 m 127.00 n 157.07 a 53.00 23.50 3.00 96.96 b 416.71 e 339.00 k 537.00 i 750.24
1982 613.50 l 469.00 j 717.00 596.00 220.50 115.50 30.00 10.50 187.50 257.00 i 309.00 p 835.00 2712.00
1983 459.00 l 444.50 i 613.28 a 341.50 l 239.00 77.00 52.50 6.50 58.50 127.50 m 440.00 j 513.50 k 1046.78
1984 506.50 j 444.50 i 366.00 i 359.00 i 196.00 95.50 0.50 0.00 75.50 433.00 464.00 j 555.00 k 800.50
1985 551.00 i 426.50 i 457.00 k 253.89 c 181.50 0.00 z 0.00 14.00 116.00 224.50 i 501.00 k 528.00 k 565.39
1986 464.00 j 368.50 i 282.50 k 391.50 233.00 29.00 0.00 z 0.00 228.00 272.80 a 298.00 n 539.50 j 1154.30
1987 552.00 k 456.50 i 400.50 j 228.50 123.50 33.50 21.00 0.00 28.00 128.50 345.50 k 536.00 k 563.00
1988 521.50 l 406.50 j 554.50 226.50 i 322.00 134.00 6.00 1.00 69.00 124.50 406.00 j 527.00 k 1211.00
1989 579.00 k 0.00 z 648.50 0.00 z 271.50 27.50 4.00 24.00 52.50 305.50 338.00 n 494.00 k 1333.50
1990 531.00 j 0.00 z 491.00 229.00 i 294.00 94.00 8.50 30.50 19.50 180.50 j 432.50 k 622.00 l 937.50
1991 568.50 j 341.00 i 510.50 j 475.00 322.50 96.50 4.00 1.00 9.50 223.50 305.50 l 509.00 m 1132.00
1992 549.00 j 333.00 k 372.50 i 202.50 j 66.00 64.00 6.50 0.00 z 25.00 195.50 404.00 k 524.50 m 357.00
1993 575.00 l 477.50 i 488.50 492.00 201.00 i 142.00 28.00 10.50 83.79 a 278.00 433.50 l 870.58 a 2393.38
1994 511.00 k 453.00 i 486.50 231.00 j 159.00 87.50 0.00 0.00 56.50 361.15 a 619.50 i 876.50 2027.15
1995 477.50 k 341.00 i 633.50 303.50 j 252.50 136.50 12.00 21.50 40.00 299.00 422.00 322.50 o 1817.00
1996 431.50 o 588.50 518.50 430.00 255.00 49.00 6.50 0.00 83.00 325.50 556.50 777.00 3589.50
1997 796.00 615.00 505.50 423.50 102.00 94.50 24.50 7.50 71.00 402.50 537.00 834.00 4413.00
1998 747.50 716.50 597.50 497.50 385.00 53.50 0.00 2.00 84.00 423.00 623.50 940.00 5070.00
1999 796.50 743.00 652.50 476.50 254.00 92.50 20.50 22.50 39.00 253.00 493.50 802.00 4645.50
2000 743.50 637.00 579.50 345.00 222.00 51.00 15.50 0.50 85.00 327.50 672.50 783.00 4462.00
2001 836.00 717.50 476.00 478.00 99.00 56.00 0.00 1.00 45.00 230.50 577.50 814.00 4330.50
2002 814.50 594.50 617.50 314.50 243.50 29.50 0.00 19.00 50.00 299.50 559.00 778.50 4320.00
2003 634.50 599.00 501.00 538.50 250.00 21.50 0.00 0.00 42.00 193.50 664.00 770.50 4214.50
2004 830.00 648.00 379.00 333.00 173.00 32.50 0.00 4.50 73.50 303.50 604.00 786.50 4167.50
2005 764.00 571.00 523.50 445.50 231.50 142.00 0.00 0.00 88.00 337.50 581.50 795.00 4479.50
2006 812.50 622.00 777.00 456.50 163.50 28.00 0.00 1.00 81.00 331.00 0.00 z 0.00 z 3272.50
2007 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
2008 0.00 z 0.00 z 0.00 z 0.00 z 229.00 76.50 1.50 5.50 43.50 277.00 542.00 878.50 2053.50
2009 736.50 651.00 567.50 404.00 140.00 48.50 5.50 5.50 34.00 344.50 643.50 878.50 4459.00
2010 680.00 554.50 602.00 517.00 385.50 71.50 5.00 20.00 46.50 269.00 641.00 715.00 4507.00
2011 726.50 695.00 634.50 473.50 367.50 94.50 11.00 0.00 14.00 280.00 662.50 853.50 4812.50
2012 842.50 638.50 688.50 393.50 199.00 112.50 3.00 1.00 0.00 248.00 546.00 864.50 4537.00
2013 874.50 646.00 491.00 12.00 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 2011.50
Period of Record Statistics
MEAN 855.68 657.67 605.69 429.47 238.81 89.06 11.10 17.70 86.91 322.11 616.85 836.28 4788.19
S.D. 107.40 83.90 94.74 101.16 81.33 45.27 14.49 19.19 57.53 86.91 79.58 87.99 424.31
SKEW 0.72 0.16 -0.19 0.43 0.17 0.67 2.36 1.63 1.12 0.55 0.20 0.07 0.57
MAX 1206.42 853.00 810.00 728.50 436.50 248.00 89.50 88.00 318.00 615.50 812.50 1071.88 5780.05
MIN 634.50 470.50 365.00 228.50 66.00 12.50 0.00 0.00 0.00 124.50 422.00 537.50 4167.50
NO YRS 80 82 88 87 95 94 95 94 93 89 75 79 56