WEAVERVILLE, 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