WEAVERVILLE RANGER STN, CALIFORNIA

Monthly Total Growing Degree Days

(049490)

Base Temperature = 40 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 129.50 141.00 234.50 454.50 636.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1596.00
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 95.58 a 95.58
1911 11.00 61.00 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 72.00
1912 0.00 z 0.00 z 0.00 z 232.50 504.00 686.00 830.00 793.50 619.50 293.50 160.00 47.02 a 4166.02
1913 0.50 24.00 151.00 272.50 568.50 631.50 917.50 965.50 701.00 470.00 171.50 11.00 4884.50
1914 34.50 h 64.00 311.55 a 345.50 642.00 669.50 958.50 382.50 r 593.00 445.50 146.00 0.00 4175.55
1915 9.00 57.00 271.00 407.50 429.50 507.50 833.50 935.68 a 592.50 479.50 103.50 1.50 4627.68
1916 0.52 a 210.00 354.00 501.50 422.00 723.00 869.00 943.00 731.00 406.50 69.00 11.50 5241.02
1917 2.00 62.00 79.05 a 293.50 448.00 550.50 g 1012.00 1020.50 542.50 i 541.90 e 221.38 a 117.00 3797.33
1918 101.02 b 89.00 264.00 404.00 544.50 931.00 912.95 a 920.18 a 823.50 557.00 180.00 12.40 a 5739.55
1919 40.50 31.00 207.50 433.50 652.50 721.00 1043.50 1010.00 744.83 a 373.72 d 157.22 c 37.64 c 5452.92
1920 104.33 e 161.00 164.00 297.00 544.50 718.00 897.50 1007.00 709.00 363.00 154.00 20.00 5139.33
1921 21.00 143.50 282.00 322.50 511.00 756.00 978.00 901.50 696.50 607.17 b 236.50 60.50 5516.17
1922 14.00 32.00 97.65 a 278.50 540.50 841.00 1095.85 a 383.50 s 795.50 451.50 54.83 a 44.00 4245.33
1923 40.50 117.50 227.00 319.66 a 519.50 634.50 918.00 619.50 i 25.50 z 0.00 z 5.50 z 0.00 2776.66
1924 9.00 120.00 45.50 363.00 652.50 739.50 949.12 a 889.50 635.50 203.50 50.50 0.00 a 4657.62
1925 48.50 33.50 203.16 c 300.00 c 472.00 699.50 1008.50 815.00 432.00 162.00 34.00 16.50 4224.66
1926 15.50 106.40 c 221.00 n 512.00 605.00 918.50 1071.50 989.00 658.50 560.21 c 305.00 68.41 b 5810.03
1927 91.00 90.00 207.00 338.00 419.53 a 803.00 1013.00 931.00 616.50 491.50 234.00 40.50 5275.03
1928 59.50 165.50 320.50 324.00 747.00 723.50 1016.00 970.00 710.17 a 470.00 201.00 32.00 5739.17
1929 13.00 208.50 281.00 250.00 573.50 653.50 907.50 719.50 538.50 587.97 a 193.00 243.50 5169.47
1930 41.00 169.50 293.00 408.50 446.40 a 773.28 a 973.00 896.50 658.50 418.50 168.00 27.50 5273.68
1931 27.00 109.50 255.00 401.00 737.80 a 708.50 1046.50 921.50 610.50 384.00 98.00 3.00 5302.30
1932 9.50 63.50 181.00 181.00 419.02 a 869.50 1033.00 1022.00 900.00 a 505.00 244.50 17.50 5445.52
1933 2.00 6.00 145.00 325.00 347.00 731.50 1046.00 1004.00 657.50 632.50 222.50 24.00 5143.00
1934 138.50 158.50 410.00 476.50 580.00 640.50 0.00 z 0.00 z 0.00 z 0.00 z 169.50 70.00 2643.50
1935 20.00 93.50 89.00 314.50 603.50 758.00 918.00 973.50 862.00 446.00 194.00 71.00 5343.00
1936 73.00 210.00 263.00 473.50 654.00 812.00 1031.00 987.00 706.00 478.50 83.50 24.00 5795.50
1937 0.00 a 8.30 a 166.50 277.00 492.50 g 726.72 a 1016.00 866.50 704.50 475.50 199.00 73.00 4513.02
1938 33.50 50.50 115.00 361.50 601.00 876.00 1070.50 926.50 767.00 413.50 84.00 29.50 5328.50
1939 11.50 31.50 279.00 486.00 654.00 794.00 1000.50 984.50 688.50 476.50 149.00 74.50 5629.50
1940 96.10 a 111.00 212.50 418.50 662.50 751.00 g 894.50 961.00 0.00 z 0.00 z 95.00 66.50 3517.60
1941 78.00 161.00 294.00 313.39 b 553.50 651.00 1009.00 852.50 588.00 347.20 a 209.48 a 60.40 b 5117.47
1942 51.50 35.78 a 148.28 a 274.29 b 413.50 698.79 a 976.50 946.00 721.00 461.00 116.00 32.00 4874.64
1943 22.73 a 110.00 248.50 342.50 511.50 646.11 c 957.50 825.50 848.50 416.50 167.00 52.50 5148.84
1944 11.00 56.50 218.50 249.64 b 557.00 658.97 a 947.00 869.55 a 0.00 z 550.00 102.00 66.00 4286.16
1945 16.50 n 129.50 105.50 321.35 d 527.00 535.00 i 1002.50 879.00 733.00 531.00 129.50 64.14 b 4422.48
1946 15.50 29.50 147.00 397.00 589.00 442.50 g 959.97 a 940.00 635.50 296.71 c 81.50 33.00 4124.68
1947 26.00 177.50 262.50 416.00 670.50 679.00 818.00 806.00 724.00 457.00 110.50 31.00 5178.00
1948 28.00 49.50 83.00 140.50 424.00 702.00 e 863.50 836.50 707.31 d 428.00 87.00 14.50 4363.81
1949 0.00 36.00 85.00 435.00 585.50 755.50 928.97 a 830.00 761.00 390.00 260.00 19.50 5086.47
1950 0.00 62.00 123.00 311.79 b 529.77 c 472.00 h 1036.50 952.50 714.00 451.05 a 222.50 108.50 4511.60
1951 7.00 71.00 152.13 d 454.66 a 577.00 831.00 936.50 919.84 b 788.28 a 368.38 a 131.50 g 8.94 e 5114.73
1952 4.50 44.00 123.48 a 358.00 532.50 621.50 1043.84 b 894.50 794.50 594.50 87.50 h 2.00 h 5011.33
1953 51.87 e 57.00 r 114.50 g 262.22 c 346.00 539.00 944.50 806.50 829.00 447.12 e 144.00 h 27.00 k 4226.20
1954 14.90 e 130.50 146.00 410.50 621.00 600.00 895.00 772.42 a 599.00 380.50 149.50 7.50 4726.82
1955 3.00 18.50 111.00 113.79 a 500.00 694.50 769.50 936.50 678.00 453.63 a 90.50 40.00 4408.93
1956 20.50 8.50 145.00 329.50 545.08 a 685.00 977.50 825.50 630.50 280.50 f 124.82 b 41.00 4332.90
1957 2.50 129.50 181.00 292.76 a 567.82 a 805.50 955.00 863.00 814.00 376.50 92.07 a 22.00 5101.64
1958 23.00 138.50 86.50 357.50 689.00 772.24 a 1037.47 a 1029.00 704.00 537.50 179.50 105.92 a 5660.12
1959 35.00 49.00 200.50 434.50 454.00 765.00 1052.00 932.00 645.50 477.29 b 143.00 9.00 5196.79
1960 22.50 22.27 a 212.00 271.07 b 438.00 863.50 1067.00 900.00 757.00 456.50 105.50 14.00 5129.34
1961 56.50 88.00 113.50 335.50 438.50 821.00 956.00 1010.00 626.38 a 458.00 106.50 20.50 5030.38
1962 17.50 68.50 105.00 420.00 439.17 a 721.50 948.00 887.50 782.00 466.00 217.50 73.62 c 5146.29
1963 13.50 229.50 100.50 139.00 583.00 686.50 816.50 861.00 772.50 480.00 103.39 b 29.50 4814.89
1964 6.00 64.50 107.50 267.50 459.00 647.00 962.00 914.50 646.50 543.00 113.00 95.50 4826.00
1965 30.00 84.50 198.00 283.50 470.00 691.50 0.00 z 882.00 644.00 530.50 200.00 c 18.00 4032.00
1966 0.00 20.00 184.00 405.52 a 644.00 666.50 829.50 970.50 715.00 476.50 182.00 33.00 5126.52
1967 8.50 78.00 80.50 48.50 544.50 732.50 1017.00 1051.50 836.00 432.00 244.00 0.00 e 5073.00
1968 9.00 149.00 188.50 312.50 497.50 751.50 1023.50 827.00 738.50 430.42 e 74.00 i 19.00 4946.42
1969 0.50 4.85 b 137.95 a 264.50 649.00 774.50 971.00 924.50 778.00 292.50 149.50 51.50 4998.30
1970 84.00 132.74 a 181.00 159.50 570.50 818.50 1005.50 933.00 668.00 399.00 182.50 0.00 5134.24
1971 24.50 71.00 106.50 217.50 485.50 662.00 976.50 1006.50 656.00 355.50 75.00 0.00 4636.50
1972 22.50 73.00 276.00 236.50 576.08 a 794.50 1010.50 934.50 634.50 414.33 e 91.20 e 6.50 f 5063.61
1973 4.50 72.07 a 76.47 a 360.00 a 663.50 776.00 0.00 z 911.50 718.00 421.37 d 115.50 41.50 f 4118.91
1974 35.28 b 26.00 176.50 250.50 512.00 801.50 924.00 949.00 823.50 457.00 121.50 33.00 5109.78
1975 37.72 a 30.07 a 80.50 111.50 506.00 727.50 918.00 853.50 822.50 344.10 a 83.04 b 47.00 4561.43
1976 10.00 51.04 d 143.12 a 0.00 z 591.00 660.00 979.00 800.50 802.50 439.50 f 180.50 j 11.00 n 4037.16
1977 25.50 148.00 109.00 384.50 0.00 z 890.50 960.43 d 989.33 b 0.00 z 0.00 z 0.00 z 0.00 z 3507.25
1978 0.00 z 0.00 z 0.00 z 131.00 n 340.00 i 708.00 977.00 930.00 592.24 a 458.00 f 77.50 k 2.50 k 3207.24
1979 16.50 i 22.00 j 112.00 m 110.50 m 354.00 j 698.28 a 983.96 d 884.50 795.00 500.77 e 57.00 k 18.00 n 3862.51
1980 20.00 k 48.50 i 26.00 n 164.50 k 0.00 z 595.86 a 0.00 z 0.00 z 0.00 z 501.17 d 55.50 o 23.00 k 1097.03
1981 35.00 l 40.50 m 104.00 m 291.50 n 652.03 a 860.00 979.50 1017.00 797.14 b 358.29 e 139.00 k 46.50 i 4663.96
1982 0.00 l 23.50 j 80.50 192.50 568.50 726.00 851.00 897.50 590.50 293.00 i 52.00 p 25.50 3932.00
1983 36.50 l 42.50 i 164.30 a 108.50 l 614.50 723.00 848.50 987.50 771.00 323.50 m 85.50 j 43.50 k 4108.80
1984 50.00 j 70.00 i 184.00 i 166.00 i 591.50 752.50 1101.50 1022.00 772.00 348.00 56.00 j 8.50 k 4587.50
1985 24.50 i 71.00 i 79.50 k 499.44 c 606.00 0.00 z 1136.00 960.50 673.00 326.50 i 58.00 k 22.00 k 3874.94
1986 63.00 j 115.50 i 219.50 k 361.00 618.50 888.50 0.00 z 1111.50 616.00 504.27 a 102.00 n 17.00 j 4099.77
1987 12.00 k 40.00 i 128.50 j 521.50 717.50 919.00 936.50 1092.00 829.00 682.50 134.50 k 25.00 k 5698.00
1988 3.50 l 87.50 j 226.50 298.50 i 468.50 740.50 1112.00 1095.50 813.00 660.00 104.50 j 30.50 k 5116.00
1989 11.50 k 0.00 z 145.50 0.00 z 518.50 859.50 965.50 952.50 756.50 471.00 75.50 n 39.50 k 4669.00
1990 29.00 j 0.00 z 289.00 296.00 i 487.50 729.00 1047.00 968.50 775.00 351.00 j 49.50 k 1.00 l 4296.00
1991 23.50 j 134.00 i 42.50 j 276.50 453.50 689.50 1091.00 962.50 868.50 579.50 147.00 l 2.00 m 4921.00
1992 16.50 j 118.00 k 177.50 i 301.00 j 774.50 869.50 1040.00 0.00 z 813.50 584.50 90.50 k 1.00 m 4082.00
1993 0.50 l 30.00 i 289.50 258.00 351.00 i 664.00 829.00 908.00 728.28 a 505.00 60.00 l 7.75 a 4189.53
1994 22.00 k 47.00 i 292.00 269.00 j 640.00 743.00 1122.50 947.00 781.50 414.88 a 14.00 i 6.00 4946.88
1995 39.00 k 150.50 i 154.50 198.50 j 531.50 707.00 949.50 920.00 791.00 476.00 328.00 82.50 o 4857.50
1996 21.50 o 174.00 258.50 321.00 534.00 775.00 1135.00 1016.00 714.50 464.50 196.50 38.00 5627.00
1997 64.50 95.00 278.00 330.50 727.00 700.50 924.50 958.00 714.50 372.50 213.50 36.50 5415.00
1998 64.00 17.50 193.50 252.50 390.00 719.50 940.00 929.50 764.50 352.00 131.50 10.00 4764.50
1999 31.00 16.50 142.50 289.00 555.00 741.00 925.00 937.50 795.50 522.00 264.00 19.50 5238.50
2000 53.50 97.50 201.50 405.00 581.00 874.50 941.50 988.00 740.00 453.00 111.50 27.00 5474.00
2001 21.00 33.50 300.50 278.50 746.50 767.00 1032.50 1026.50 796.50 561.50 188.50 27.00 5779.50
2002 58.50 127.50 180.50 442.00 551.00 828.50 1117.50 988.50 812.50 476.50 192.50 45.00 5820.50
2003 150.00 105.00 274.00 212.50 565.50 888.50 1131.00 971.50 860.00 586.00 106.00 58.50 5908.50
2004 28.00 88.00 397.50 418.00 608.50 849.00 1101.00 1008.50 739.00 479.00 160.00 47.00 5923.50
2005 56.00 131.00 252.50 310.50 574.00 641.50 1080.50 1021.50 696.50 437.50 189.50 72.50 5463.50
2006 11.00 110.00 41.00 296.50 650.00 837.00 1135.00 960.00 747.00 444.00 0.00 z 0.00 z 5231.50
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 596.50 722.00 970.50 1017.00 801.50 500.50 211.00 25.00 4844.00
2009 81.50 90.50 215.00 349.50 682.50 777.00 1045.50 945.00 842.50 430.50 126.00 26.50 5612.00
2010 110.50 150.50 182.00 241.50 389.50 725.00 1058.00 932.00 750.50 516.50 168.50 99.50 5324.00
2011 101.00 53.50 148.00 277.00 407.50 700.50 935.00 971.00 849.00 495.00 104.00 14.00 5055.50
2012 23.50 108.50 103.00 359.50 592.00 683.50 975.50 1049.00 836.50 543.00 213.00 30.00 5517.00
2013 12.00 68.50 284.00 13.00 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 364.50
Period of Record Statistics
MEAN 35.39 88.36 189.10 325.83 555.70 741.93 980.57 936.73 728.08 458.82 155.17 39.31 5190.61
S.D. 35.52 55.09 81.43 96.60 94.11 85.05 81.95 74.04 86.21 89.68 61.24 36.86 394.03
SKEW 1.36 0.50 0.39 -0.26 -0.01 0.12 -0.16 -0.31 -0.52 -0.37 0.38 2.49 -0.25
MAX 150.00 229.50 410.00 521.50 774.50 931.00 1136.00 1111.50 900.00 682.50 328.00 243.50 5923.50
MIN 0.00 4.85 41.00 48.50 346.00 507.50 769.50 719.50 432.00 162.00 34.00 0.00 4224.66
NO YRS 80 82 88 87 95 94 95 94 93 89 75 79 56