YREKA, CALIFORNIA

Monthly Total Growing Degree Days

(049866)

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
1893 0.00 z 0.00 15.50 15.00 163.02 b 334.50 560.50 639.93 c 233.00 13.50 2.00 0.00 1976.95
1894 0.00 0.00 21.00 54.00 286.00 348.00 648.00 687.68 a 214.50 l 135.00 0.00 a 0.00 2179.68
1895 0.00 0.00 9.00 72.50 201.00 455.50 564.00 584.00 256.00 189.00 0.00 0.00 2331.00
1896 0.00 1.50 45.50 6.50 125.00 450.00 761.50 606.50 321.50 130.50 8.00 0.00 2456.50
1897 0.00 0.00 0.00 119.00 381.50 342.00 561.50 683.03 a 309.00 123.00 11.50 0.00 2530.53
1898 0.00 0.00 3.00 96.50 181.00 406.00 646.00 684.00 376.50 83.50 6.00 0.00 2482.50
1899 0.00 0.00 1.00 57.50 101.00 389.00 672.50 456.50 451.50 68.00 4.50 0.00 2201.50
1900 0.00 0.00 35.00 55.86 a 198.50 494.00 637.50 466.50 264.50 70.00 6.50 0.00 2228.36
1901 0.00 2.00 1.00 31.50 230.50 318.50 608.50 691.00 291.50 174.50 7.50 1.66 c 2358.16
1902 0.00 15.00 2.00 40.80 e 175.50 402.00 554.00 611.00 0.00 z 0.00 z 5.50 0.00 z 1805.80
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 0.00 z 0.00
1911 0.00 z 0.00 z 0.00 z 0.00 z 0.00 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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1913 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1914 0.00 j 0.00 45.50 75.00 294.50 392.00 692.50 704.00 289.50 123.50 4.00 0.00 2620.50
1915 0.00 0.00 a 16.50 105.00 117.50 383.50 851.00 1034.50 436.50 103.69 b 5.50 0.00 3053.69
1916 0.00 0.00 a 26.50 61.50 121.93 a 370.00 506.33 a 596.00 347.50 65.10 a 4.50 0.00 2099.37
1917 0.00 0.00 3.00 38.00 78.00 327.00 726.00 660.50 256.50 100.00 15.00 1.50 2205.50
1918 0.00 0.00 21.00 0.00 z 149.50 608.00 600.00 580.00 455.50 159.00 2.00 0.00 b 2575.00
1919 0.00 0.00 0.00 98.50 285.00 433.50 636.50 f 512.50 g 372.93 a 59.50 7.50 0.00 1256.93
1920 0.00 0.00 a 0.50 40.00 172.00 441.00 605.50 703.00 408.62 a 73.00 4.00 0.00 2447.62
1921 0.00 1.00 20.00 68.28 a 172.05 a 450.50 608.00 567.00 198.50 134.00 6.00 0.00 2225.33
1922 0.00 0.00 1.55 a 16.50 205.00 440.36 b 650.00 488.50 356.50 9.19 d 4.00 t 0.00 z 2167.59
1923 0.00 f 0.00 29.00 42.32 b 167.00 l 217.50 g 621.03 a 613.28 a 427.00 65.00 0.00 c 0.00 e 1797.64
1924 0.00 0.00 0.00 a 101.50 694.50 560.50 688.50 643.50 373.39 b 69.75 a 8.50 l 0.00 3131.64
1925 2.50 2.59 a 0.00 29.48 a 80.00 372.00 790.50 645.50 215.50 g 29.97 a 0.00 0.00 a 1952.54
1926 0.00 1.00 55.00 239.00 355.50 697.50 779.00 498.00 h 352.78 c 0.00 z 23.00 f 0.50 2480.28
1927 0.00 0.00 6.20 a 90.50 171.00 472.00 702.50 606.50 316.00 130.00 7.00 0.00 2501.70
1928 0.00 0.00 28.13 d 49.00 378.00 403.50 731.50 628.00 403.00 162.75 a 2.00 0.00 2785.88
1929 0.00 0.00 16.00 22.00 224.50 375.50 677.50 700.50 332.00 162.75 a 1.15 d 10.00 2521.90
1930 0.00 4.50 32.55 a 82.00 143.00 428.00 674.00 619.50 343.45 a 109.00 6.00 0.00 2442.00
1931 0.00 z 0.00 z 11.50 123.50 393.50 414.83 a 810.00 751.50 391.00 143.00 23.50 0.00 a 3062.33
1932 0.00 5.00 20.50 45.00 191.00 516.50 597.50 598.00 558.50 207.50 42.00 0.00 a 2781.50
1933 0.00 0.00 4.50 105.50 119.00 447.00 821.00 708.00 298.00 257.50 0.00 0.00 2760.50
1934 0.00 0.00 72.33 a 186.00 293.50 405.50 651.00 735.50 451.50 154.00 16.50 0.00 2965.83
1935 0.00 4.00 35.50 60.00 201.00 423.50 592.00 704.50 501.00 160.50 0.00 0.00 2682.00
1936 0.00 0.00 5.00 137.00 251.50 435.50 703.50 688.50 420.00 228.00 0.50 1.00 2870.50
1937 0.00 a 0.00 9.00 33.00 221.50 386.50 704.50 569.00 411.00 135.00 0.00 0.00 2469.50
1938 0.00 0.00 0.00 74.50 233.50 478.50 714.55 a 642.50 496.00 0.00 z 0.00 f 0.00 2639.55
1939 0.00 0.00 c 66.43 c 168.46 d 300.81 d 489.00 e 758.47 a 764.09 d 449.48 a 140.00 f 0.00 g 2.00 2998.75
1940 0.00 0.00 19.24 b 76.00 342.50 567.86 b 594.88 b 758.31 e 394.20 e 108.50 m 0.00 0.00 2752.99
1941 0.00 0.00 17.00 76.00 248.50 318.00 738.00 579.00 303.50 99.50 37.00 0.00 2416.50
1942 0.52 a 0.00 8.00 42.00 129.50 300.00 712.00 706.00 445.50 231.90 e 0.00 z 0.00 2575.42
1943 0.00 e 0.00 e 10.91 d 0.00 z 0.00 z 261.00 f 691.54 e 533.56 e 604.04 d 92.00 m 2.88 d 0.00 f 1842.93
1944 0.00 e 0.00 e 4.17 e 9.60 e 202.69 e 302.31 d 663.83 b 614.83 d 463.85 d 157.00 i 0.00 h 0.00 l 2261.28
1945 0.00 g 0.00 d 0.55 c 75.00 e 238.81 d 388.27 d 749.17 d 666.50 c 439.00 216.00 11.00 0.00 2784.30
1946 0.00 0.00 8.50 86.50 227.50 328.50 695.50 713.50 358.00 69.50 0.00 0.00 2487.50
1947 0.00 0.00 46.50 103.50 359.00 331.55 a 556.50 541.00 428.00 122.00 2.50 0.00 2490.55
1948 0.00 0.00 0.00 17.00 103.50 359.50 518.00 475.50 291.00 79.00 0.00 0.00 1843.50
1949 0.00 0.00 0.00 135.50 258.00 437.50 651.50 558.00 411.50 70.00 19.00 0.00 a 2541.00
1950 0.00 d 0.50 7.50 60.00 242.50 387.00 717.50 690.00 437.50 136.00 14.00 0.00 2692.50
1951 0.00 1.50 9.50 162.00 203.00 499.50 680.00 635.00 487.00 89.50 0.00 0.00 2767.00
1952 0.00 0.00 2.50 107.00 228.50 301.00 762.00 621.50 511.00 264.00 3.00 0.00 2800.50
1953 2.50 0.00 1.55 a 75.00 87.50 207.50 654.00 541.00 522.50 90.00 11.50 0.00 2193.05
1954 0.00 0.00 0.00 97.50 302.00 283.50 642.50 486.00 287.50 107.50 11.00 0.00 2217.50
1955 0.00 0.00 4.50 11.00 183.00 472.50 528.03 a 703.00 199.50 j 195.00 4.00 2.00 2103.03
1956 0.00 0.00 6.50 96.00 241.50 340.50 751.75 a 580.73 a 423.00 136.00 0.00 0.00 g 2575.98
1957 0.00 0.00 10.00 54.50 247.00 508.00 606.00 538.50 460.00 27.50 0.00 0.00 2451.50
1958 0.00 3.50 0.00 64.00 355.50 418.00 742.50 771.00 397.00 265.00 37.50 0.00 3054.00
1959 0.50 0.00 0.50 117.00 131.00 479.50 775.52 a 655.50 326.00 202.50 7.50 0.00 a 2695.52
1960 0.00 0.00 68.20 a 56.90 a 152.50 564.50 803.00 603.00 478.50 185.50 5.50 0.00 2917.60
1961 0.00 0.50 7.75 a 87.50 166.00 598.50 716.50 714.50 296.00 165.85 a 0.00 0.00 2753.10
1962 0.00 0.00 1.50 132.00 106.50 420.50 644.50 579.50 488.00 92.00 24.00 1.50 2490.00
1963 0.00 6.50 1.00 22.00 282.00 384.00 522.50 606.50 504.50 137.50 1.50 0.00 2468.00
1964 0.00 0.00 10.50 43.50 206.00 372.50 651.50 599.50 325.50 181.00 0.00 6.00 2396.00
1965 1.00 0.00 4.50 92.50 177.50 399.00 647.50 580.50 334.50 215.00 19.00 0.00 2471.00
1966 0.00 0.00 42.50 128.00 331.50 396.50 572.50 700.50 424.00 155.50 16.00 0.00 2767.00
1967 0.00 0.00 1.50 0.00 258.00 451.50 763.50 766.50 516.00 89.00 20.50 0.00 2866.50
1968 0.00 4.00 10.00 60.50 168.50 420.50 708.00 524.00 452.50 120.00 5.50 1.00 2474.50
1969 0.00 0.00 24.00 52.00 365.50 482.50 686.00 630.00 456.00 45.00 17.50 0.00 2758.50
1970 4.00 0.00 7.00 13.00 291.50 544.50 759.50 708.50 308.00 130.50 5.00 0.00 2771.50
1971 0.00 0.50 3.00 27.00 185.00 374.00 712.50 745.50 338.00 144.00 0.00 0.00 2529.50
1972 0.00 2.00 48.00 45.50 285.00 500.00 760.00 685.50 329.50 131.50 0.00 0.00 2787.00
1973 0.00 0.00 0.00 74.00 359.00 496.50 742.00 672.50 420.50 103.00 12.50 0.00 2880.00
1974 0.00 0.00 6.50 27.50 215.50 545.50 631.50 678.00 551.00 142.50 0.50 0.00 2798.50
1975 0.00 0.00 0.00 1.50 242.00 419.50 643.50 553.00 525.50 107.50 5.50 0.00 2498.00
1976 0.00 0.00 19.00 21.50 262.50 352.50 669.00 462.50 453.50 160.50 13.50 0.00 2414.50
1977 0.00 0.00 3.00 111.00 75.50 580.00 655.50 759.50 389.00 122.00 3.00 0.00 2698.50
1978 0.00 0.00 63.50 30.50 179.00 445.00 673.00 613.00 244.00 220.00 0.00 0.00 2468.00
1979 0.00 0.00 16.00 42.00 291.50 466.00 668.50 589.00 492.00 245.00 0.00 0.00 2810.00
1980 0.00 4.50 0.00 108.00 196.50 294.50 703.00 609.00 409.00 195.00 19.50 0.50 2539.50
1981 0.50 0.00 2.50 116.50 216.00 330.50 639.00 727.00 468.00 69.00 7.50 0.00 2576.50
1982 0.00 8.50 0.00 36.50 250.00 425.00 599.50 628.50 276.00 92.50 0.00 0.00 2316.50
1983 0.00 0.00 0.50 32.50 284.00 340.50 490.00 635.50 354.50 127.50 23.00 0.00 2288.00
1984 0.00 0.00 7.00 44.50 235.50 369.00 745.00 664.00 371.00 81.00 0.00 0.00 2517.00
1985 0.00 z 0.00 0.00 170.50 218.50 515.50 0.00 z 581.50 237.50 100.50 1.50 0.00 1825.50
1986 0.00 0.00 z 66.50 0.00 z 247.00 591.00 609.50 769.00 263.00 132.00 0.00 0.00 2678.00
1987 0.00 0.00 13.00 180.00 329.50 0.00 z 554.50 0.00 z 0.00 z 291.00 11.00 3.00 1382.00
1988 0.00 10.00 16.50 103.00 172.00 393.50 726.50 669.50 405.50 260.50 4.50 0.00 2761.50
1989 0.00 0.00 0.00 0.00 z 168.50 0.00 z 558.00 518.00 386.00 103.00 0.00 0.00 1733.50
1990 0.00 0.00 7.00 175.50 131.50 372.00 705.00 600.50 440.50 107.50 0.00 0.00 2539.50
1991 0.00 0.00 1.00 19.50 109.00 315.50 737.00 672.00 537.50 290.50 23.50 0.00 2705.50
1992 0.00 4.00 14.50 0.00 z 417.00 510.00 646.00 698.00 394.50 155.50 10.00 0.00 2849.50
1993 0.00 0.00 13.00 17.00 207.00 288.50 428.50 536.50 0.00 z 113.50 1.50 0.00 1605.50
1994 0.00 0.00 30.00 97.50 260.50 408.50 773.50 616.50 462.50 72.00 3.50 0.00 2724.50
1995 0.50 2.00 2.00 37.50 196.00 315.00 550.00 556.50 487.50 120.00 41.00 5.50 2313.50
1996 0.00 10.00 16.00 78.00 170.50 437.00 781.00 682.00 350.00 180.50 7.50 1.00 2713.50
1997 3.00 0.00 35.50 59.00 356.50 365.00 619.50 643.00 381.00 81.00 7.50 0.00 2551.00
1998 0.00 0.00 18.50 80.00 85.50 382.00 728.00 706.00 491.50 75.50 0.00 0.00 2567.00
1999 0.00 0.00 3.50 70.00 223.50 371.50 596.75 a 562.50 451.00 156.50 27.50 0.00 2462.75
2000 0.00 0.00 5.50 110.50 209.00 514.66 a 614.00 668.00 364.00 111.00 0.00 0.00 2596.66
2001 0.00 0.00 34.00 57.93 a 382.00 411.50 667.50 707.50 446.50 152.93 a 6.00 0.00 2865.86
2002 0.00 2.00 4.50 90.00 187.00 472.50 755.00 581.50 407.00 87.00 1.50 0.00 2588.00
2003 0.00 0.00 11.50 8.50 211.50 488.00 745.00 606.50 437.00 202.50 0.00 0.00 2710.50
2004 0.00 0.00 49.00 105.50 200.00 488.50 741.50 690.00 378.00 175.50 0.00 0.00 2828.00
2005 0.00 0.00 24.00 55.00 248.00 319.00 785.00 736.00 360.00 132.00 4.50 0.00 2663.50
2006 0.00 0.50 0.00 78.00 304.50 560.50 823.50 631.50 427.00 110.00 15.00 0.00 a 2950.50
2007 0.00 0.00 36.50 102.50 302.50 468.00 725.50 681.00 411.50 37.50 6.00 0.00 2771.00
2008 0.00 0.00 4.00 51.00 247.00 415.00 713.00 675.50 445.50 140.00 11.00 0.00 2702.00
2009 0.00 0.00 0.50 80.50 311.00 446.00 755.50 631.50 514.50 0.00 z 5.00 0.00 2744.50
2010 2.00 0.00 12.50 29.50 90.50 375.50 743.50 643.00 396.50 190.00 15.00 0.00 2498.00
2011 0.00 0.00 1.50 17.50 83.00 319.66 a 601.00 664.78 d 512.40 e 87.83 a 0.00 0.00 a 2287.67
2012 0.00 0.00 3.50 107.00 240.00 358.00 666.50 745.00 503.00 186.00 13.00 0.00 2822.00
2013 0.00 0.00 17.50 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 17.50
Period of Record Statistics
MEAN 0.16 0.90 14.60 72.05 227.22 420.92 673.44 640.94 400.35 134.05 7.60 0.36 2579.38
S.D. 0.63 2.38 17.71 45.97 92.91 84.30 82.02 83.76 83.36 60.97 9.41 1.32 232.09
SKEW 4.37 3.57 1.57 0.87 1.25 0.47 -0.35 0.65 -0.16 0.49 1.78 5.21 -0.34
MAX 4.00 15.00 72.33 239.00 694.50 697.50 851.00 1034.50 604.04 291.00 42.00 10.00 3054.00
MIN 0.00 0.00 0.00 0.00 75.50 207.50 428.50 456.50 198.50 9.19 0.00 0.00 1843.50
NO YRS 104 108 110 104 107 105 107 106 103 101 102 104 81