WEAVERVILLE, CALIFORNIA

Monthly Total Growing Degree Days

(049490)

Base Temperature = 50 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 10.50 24.00 76.00 187.50 328.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 626.00
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 34.10 a 34.10
1911 0.00 0.00 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 0.00
1912 0.00 z 0.00 z 0.00 z 27.00 220.00 386.00 520.00 483.50 325.00 58.50 6.50 0.00 a 2026.50
1913 0.00 0.00 11.00 58.50 270.00 331.50 607.50 655.50 401.00 178.50 32.00 0.00 2545.50
1914 0.00 h 0.00 72.85 a 87.50 332.00 378.00 648.50 252.50 r 293.00 149.50 4.50 0.00 1965.85
1915 0.00 0.00 39.00 136.00 147.00 215.00 523.50 625.68 a 292.50 181.50 17.00 0.00 2177.18
1916 0.00 a 27.00 145.50 216.50 164.00 423.00 559.00 633.00 431.00 124.00 2.00 0.00 2725.00
1917 0.00 2.50 8.27 a 70.50 150.50 320.50 g 702.00 710.50 332.50 i 237.87 e 17.07 a 2.00 1901.20
1918 2.67 b 1.00 48.00 139.50 237.00 631.00 602.95 a 610.18 a 523.50 249.50 13.00 0.00 a 3058.31
1919 0.00 0.00 40.00 153.50 342.50 421.00 733.50 700.00 444.83 a 126.30 d 16.11 c 7.75 c 2985.49
1920 5.37 e 8.00 10.50 73.00 236.00 418.00 587.50 697.00 409.00 106.50 12.00 0.00 2562.87
1921 0.00 10.00 48.00 93.00 214.50 456.00 668.00 591.50 396.50 304.66 b 29.00 1.00 2812.16
1922 0.00 0.00 4.13 a 79.00 248.50 541.00 785.85 a 263.50 s 495.50 164.00 0.00 a 0.00 2317.98
1923 0.00 3.50 32.50 75.00 a 218.00 339.00 608.00 399.50 i 15.50 z 0.00 z 0.00 z 0.00 1276.00
1924 0.00 5.00 0.00 117.00 356.50 442.00 639.12 a 580.50 349.00 42.50 4.50 0.00 a 2536.12
1925 0.00 0.00 54.25 c 94.44 c 176.00 414.50 698.50 505.00 151.00 5.50 0.00 0.00 2099.19
1926 0.00 11.20 c 64.00 n 221.00 311.00 618.50 761.50 679.00 358.50 257.41 c 41.50 4.28 b 3263.89
1927 5.00 5.50 22.50 112.50 149.83 a 503.00 703.00 621.00 316.50 193.50 45.50 0.50 2678.33
1928 1.00 3.00 64.50 81.50 443.50 425.00 706.00 660.00 410.17 a 186.50 26.50 0.00 3007.67
1929 0.00 23.00 86.50 45.50 268.50 355.00 597.50 409.50 241.50 287.78 a 28.00 22.00 2364.78
1930 0.00 21.00 65.50 134.50 172.05 a 473.28 a 663.00 586.50 361.00 133.50 15.50 0.00 2625.83
1931 0.00 1.50 33.00 148.50 427.80 a 408.50 736.50 611.50 314.00 91.00 20.50 0.00 2792.80
1932 0.00 2.00 6.50 25.00 142.60 a 569.50 723.00 712.00 600.00 a 225.00 33.50 0.00 3039.10
1933 0.00 0.00 6.50 106.50 121.50 431.50 736.00 694.00 357.50 331.00 13.50 0.00 2798.00
1934 0.00 3.50 111.00 187.50 271.50 344.00 0.00 z 0.00 z 0.00 z 0.00 z 8.00 0.00 925.50
1935 0.00 2.00 9.00 81.00 301.50 458.00 608.00 663.50 562.50 184.00 20.50 0.00 2890.00
1936 0.00 17.00 44.00 205.50 349.00 512.00 721.00 677.00 407.00 186.50 5.00 0.00 3124.00
1937 0.00 a 0.00 a 3.50 52.00 252.50 g 426.72 a 706.00 556.50 404.50 171.50 14.50 0.00 2335.22
1938 0.00 0.00 0.00 102.50 303.00 576.00 760.50 616.50 467.00 143.50 4.00 0.00 2973.00
1939 0.00 0.00 87.00 197.00 348.00 497.00 690.50 674.50 388.50 200.50 2.00 0.00 3085.00
1940 5.17 a 1.00 19.50 136.00 363.50 521.00 g 584.50 651.00 0.00 z 0.00 z 3.50 0.00 1764.17
1941 0.50 6.50 43.00 77.14 b 247.50 351.00 699.00 542.50 289.00 64.07 a 39.83 a 1.60 b 2361.64
1942 0.00 0.00 a 2.07 a 62.14 b 146.50 398.79 a 666.50 636.00 421.00 178.00 2.00 0.00 2513.00
1943 0.00 a 0.50 27.50 100.50 216.50 346.11 c 647.50 515.50 548.50 149.00 3.00 0.00 2554.61
1944 0.00 0.00 29.50 34.82 b 250.50 358.97 a 637.00 559.55 a 0.00 z 240.00 6.00 0.00 2116.34
1945 0.00 n 13.00 6.00 117.69 d 224.50 325.00 i 692.50 569.00 433.00 231.00 13.50 0.00 b 2300.19
1946 0.00 0.00 8.00 138.50 280.50 212.50 g 649.97 a 630.00 335.50 77.50 c 0.00 0.00 2119.97
1947 2.00 11.00 49.50 158.50 360.50 379.00 508.00 496.00 424.00 153.50 1.00 0.00 2543.00
1948 0.00 0.00 11.50 15.50 145.00 402.00 e 553.50 526.50 407.31 d 155.00 1.50 0.00 2217.81
1949 0.00 0.00 0.50 155.50 281.00 455.50 618.97 a 520.00 461.00 125.50 35.50 0.00 2653.47
1950 0.00 0.50 12.00 87.86 b 280.11 c 252.50 h 726.50 642.50 419.00 167.92 a 39.00 5.50 2380.88
1951 0.00 0.00 7.46 d 177.93 a 279.50 531.00 626.50 609.84 b 488.28 a 92.48 a 6.00 g 0.00 e 2813.00
1952 0.00 0.00 19.12 a 95.00 241.50 330.50 733.84 b 584.50 494.50 287.00 0.00 h 0.00 h 2785.96
1953 0.00 e 2.00 r 4.50 g 67.78 c 111.00 239.00 634.50 506.50 529.00 149.63 e 6.00 h 0.50 k 2237.41
1954 0.00 e 5.00 4.00 156.00 321.50 303.00 585.00 462.42 a 299.00 107.00 6.50 0.00 2249.42
1955 0.00 0.00 7.00 8.79 a 217.50 397.00 459.50 626.50 381.00 171.02 a 12.50 2.50 2283.31
1956 0.00 0.00 8.50 91.50 262.98 a 385.00 667.50 515.50 330.50 98.00 f 6.43 b 0.50 2268.41
1957 0.00 7.50 15.00 63.10 a 266.60 a 505.50 645.00 553.00 514.00 86.00 0.00 a 0.00 2655.70
1958 0.00 8.50 0.00 134.00 379.00 472.24 a 727.47 a 719.00 411.00 242.00 47.50 0.00 a 3140.71
1959 0.00 0.00 12.50 144.00 179.00 465.00 742.00 622.00 345.50 198.29 b 12.50 0.00 2720.79
1960 0.00 0.00 a 59.50 58.93 b 175.50 563.50 757.00 590.00 457.00 178.00 8.00 0.00 2847.43
1961 0.00 1.00 7.50 103.00 170.50 521.00 646.00 700.00 326.38 a 206.50 0.00 0.00 2681.88
1962 0.00 0.00 6.00 153.00 151.90 a 421.50 638.00 577.50 483.00 180.50 42.00 6.09 c 2659.49
1963 0.00 21.50 0.50 12.00 290.50 386.50 506.50 551.00 472.50 191.50 0.54 b 0.00 2433.04
1964 0.00 0.00 5.50 56.50 191.50 349.50 652.00 604.50 346.50 235.50 6.00 8.00 2455.50
1965 0.00 0.00 5.50 96.50 199.00 399.50 0.00 z 572.00 344.00 232.50 17.78 c 0.00 1866.78
1966 0.00 0.00 39.00 139.66 a 334.00 374.50 519.50 660.50 415.00 196.50 26.50 0.00 2705.16
1967 0.00 0.00 0.00 0.00 265.50 439.00 707.00 741.50 536.00 133.00 49.50 0.00 e 2871.50
1968 0.00 18.00 23.00 89.00 203.00 451.50 713.50 517.00 444.50 160.37 e 1.50 i 0.00 2619.87
1969 0.00 0.00 b 18.08 a 52.00 348.50 474.50 661.00 614.50 478.00 63.00 15.00 0.00 2724.58
1970 1.00 1.56 a 14.00 10.50 280.50 518.50 695.50 623.00 369.00 154.00 11.00 0.00 2678.56
1971 0.00 2.00 7.50 28.00 189.00 362.00 666.50 696.50 371.50 154.50 0.00 0.00 2477.50
1972 0.00 0.00 60.00 50.50 281.07 a 500.00 700.50 626.00 337.50 153.21 e 0.60 e 0.00 f 2709.38
1973 0.00 0.00 a 0.00 a 108.10 a 354.50 476.00 0.00 z 601.50 418.00 128.02 d 8.50 0.00 f 2094.62
1974 0.00 b 0.00 13.50 42.00 230.00 501.50 614.00 639.00 523.50 167.00 0.00 0.00 2730.50
1975 1.55 a 0.00 a 0.00 2.50 234.00 431.00 608.00 543.50 522.50 120.90 a 11.25 b 0.00 2475.20
1976 0.00 0.00 d 21.70 a 0.00 z 281.50 360.00 669.00 490.50 502.50 191.50 f 25.50 j 0.00 n 2325.20
1977 0.00 5.50 9.00 121.50 0.00 z 590.50 650.43 d 679.33 b 0.00 z 0.00 z 0.00 z 0.00 z 2056.25
1978 0.00 z 0.00 z 0.00 z 30.50 n 133.50 i 408.00 667.00 621.00 294.31 a 215.50 f 3.50 k 0.00 k 1990.31
1979 0.00 i 0.00 j 20.50 m 16.00 m 165.00 j 398.28 a 673.96 d 574.50 495.00 249.19 e 0.00 k 0.00 n 2390.93
1980 0.00 k 1.00 i 0.00 n 44.00 k 0.00 z 298.45 a 0.00 z 0.00 z 0.00 z 229.06 d 14.50 o 0.00 k 527.50
1981 0.00 l 5.50 m 2.50 m 148.00 n 345.65 a 560.50 669.50 707.00 500.89 b 94.19 e 21.00 k 0.00 i 2877.74
1982 0.00 l 0.00 j 0.00 40.50 263.00 426.00 541.00 587.50 290.50 101.00 i 0.50 p 0.00 2148.50
1983 0.00 l 0.00 i 4.65 a 12.00 l 329.00 423.00 538.50 677.50 471.00 143.50 m 14.00 j 3.00 k 2443.65
1984 0.00 j 0.00 i 6.00 i 25.50 i 283.50 452.50 791.50 712.00 472.00 120.50 0.00 j 0.00 k 2832.00
1985 0.00 i 1.00 i 4.00 k 211.67 c 298.00 0.00 z 826.00 650.50 373.00 122.00 i 5.50 k 0.00 k 2359.17
1986 0.00 j 33.00 i 70.00 k 113.00 329.50 588.50 0.00 z 801.50 329.00 203.57 a 11.00 n 0.00 j 2365.07
1987 0.00 k 0.00 i 9.50 j 226.50 410.00 619.00 626.50 782.00 529.00 372.50 16.50 k 0.00 k 3565.50
1988 0.00 l 1.00 j 25.00 107.00 i 200.50 448.00 802.00 785.50 513.00 350.00 12.00 j 0.00 k 3124.00
1989 0.00 k 0.00 z 3.00 0.00 z 222.50 559.50 655.50 642.50 456.50 192.00 0.50 n 3.50 k 2731.50
1990 0.00 j 0.00 z 65.00 102.50 i 191.00 434.50 737.00 658.50 475.00 142.50 j 1.00 k 0.00 l 2561.00
1991 0.00 j 5.50 i 0.00 j 42.00 175.50 389.50 781.00 652.50 568.50 324.00 32.50 l 0.00 m 2933.00
1992 0.00 j 18.50 k 12.50 i 111.00 j 464.50 569.50 730.00 0.00 z 513.50 274.50 19.50 k 0.00 m 2552.00
1993 0.00 l 0.00 i 46.00 31.50 138.50 i 365.00 519.00 598.00 428.28 a 196.00 0.50 l 0.00 a 2183.78
1994 0.00 k 0.00 i 70.00 86.00 j 330.00 443.00 812.50 637.00 481.50 129.17 a 2.50 i 0.00 2903.17
1995 0.00 k 19.50 i 11.50 52.00 j 232.50 408.50 639.50 610.00 491.00 179.50 70.00 3.00 o 2642.50
1996 0.00 o 23.50 46.50 88.50 227.00 475.00 825.00 706.00 414.50 206.50 11.50 0.00 3024.00
1997 0.50 0.00 62.00 89.00 420.50 400.50 614.50 648.00 414.50 100.00 26.00 1.50 2777.00
1998 0.00 0.00 24.00 80.50 105.50 419.50 630.00 619.50 464.50 72.50 0.00 0.00 2416.00
1999 0.00 0.00 8.50 94.50 270.50 441.00 615.00 627.50 495.50 221.00 43.00 0.00 2816.50
2000 0.00 0.00 18.00 135.00 281.50 574.50 631.50 678.00 440.00 176.00 11.50 0.00 2946.00
2001 0.00 0.00 79.00 86.00 436.50 467.00 722.50 716.50 496.50 257.00 7.50 0.00 3268.50
2002 0.00 6.00 38.50 179.00 252.50 528.50 807.50 678.50 512.50 182.00 8.00 0.00 3193.00
2003 3.00 0.00 52.50 32.50 270.00 588.50 821.00 661.50 560.00 282.50 0.00 0.00 3271.50
2004 0.00 0.00 143.50 157.50 299.00 549.00 791.00 698.50 440.50 214.00 1.00 0.00 3294.00
2005 0.00 4.00 46.00 82.50 276.00 345.50 770.50 711.50 396.50 155.50 15.00 4.00 2807.00
2006 0.00 2.50 0.00 92.50 340.00 537.00 825.00 650.00 447.00 147.00 0.00 z 0.00 z 3041.00
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 294.50 422.00 660.50 707.00 501.50 209.50 21.00 1.00 2817.00
2009 1.50 1.50 24.50 101.50 374.50 477.00 735.50 635.00 542.50 148.50 17.00 0.00 3059.00
2010 0.00 4.50 6.50 42.00 112.00 425.00 748.00 622.00 450.50 236.50 39.00 2.00 2688.00
2011 2.50 0.00 17.50 51.00 129.50 406.00 625.00 661.00 549.00 197.00 0.00 0.00 2638.50
2012 0.00 5.00 0.50 136.50 283.00 383.50 665.50 739.00 536.50 257.50 42.50 0.00 3049.50
2013 0.00 3.00 46.00 3.00 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 49.00
Period of Record Statistics
MEAN 0.53 3.95 28.88 98.48 262.45 443.25 670.57 626.88 429.28 180.09 15.63 1.32 2727.48
S.D. 1.60 6.72 31.07 55.24 81.91 84.11 81.95 73.85 84.76 69.82 15.60 4.75 290.19
SKEW 4.12 2.01 1.60 0.37 0.19 0.12 -0.16 -0.30 -0.47 0.25 1.16 5.40 0.00
MAX 10.50 27.00 145.50 226.50 464.50 631.00 826.00 801.50 600.00 372.50 70.00 34.10 3294.00
MIN 0.00 0.00 0.00 0.00 105.50 215.00 459.50 409.50 151.00 5.50 0.00 0.00 2099.19
NO YRS 80 82 88 87 95 94 95 94 93 89 75 79 56