YREKA, CALIFORNIA

Monthly Total Growing Degree Days

(049866)

Base Temperature = 40 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 829.00 791.50 571.50 325.50 40.00 0.00 2557.50
1949 0.00 27.50 78.50 386.50 548.50 732.00 961.50 868.00 711.50 293.50 203.50 5.68 a 4816.68
1950 4.59 d 61.00 97.00 253.50 497.00 683.00 1027.50 1000.00 731.00 409.50 143.50 73.50 4981.09
1951 4.50 47.50 105.00 431.00 473.50 799.50 990.00 945.00 787.00 336.50 78.50 6.50 5004.50
1952 5.50 27.00 78.50 344.00 526.50 587.00 1072.00 931.50 811.00 569.00 74.00 1.50 5027.50
1953 61.50 61.00 106.95 a 263.00 310.00 504.50 964.00 851.00 822.50 341.50 172.50 17.00 4475.45
1954 3.50 56.50 75.50 327.50 602.50 575.00 952.50 796.00 587.50 378.00 156.00 12.00 4522.50
1955 2.00 15.00 97.50 127.00 459.50 769.00 838.03 a 1013.00 399.50 j 472.00 90.00 42.50 3925.53
1956 33.00 3.00 125.50 332.00 528.50 640.50 1061.75 a 890.73 a 723.00 362.50 77.50 15.00 g 4777.98
1957 0.50 84.00 135.50 279.00 537.50 808.00 916.00 848.50 760.00 244.50 24.00 23.00 4660.50
1958 5.00 110.00 51.50 258.50 659.00 718.00 1052.50 1081.00 688.00 558.50 155.00 60.50 5397.50
1959 46.00 18.00 135.50 398.00 396.00 779.50 1085.52 a 965.50 624.50 486.00 93.00 3.10 a 5030.62
1960 26.00 27.00 254.72 a 263.79 a 427.00 864.50 1113.00 913.00 778.50 459.50 104.00 13.00 5244.01
1961 29.50 72.50 111.08 a 313.00 452.00 898.50 1026.50 1024.50 594.50 405.58 a 55.50 2.50 4985.67
1962 1.50 25.50 80.00 405.50 381.00 714.00 954.50 889.50 788.00 367.50 176.00 35.00 4818.00
1963 0.00 152.50 86.00 156.00 578.50 681.50 832.50 916.50 804.50 395.50 85.50 14.50 4703.50
1964 10.50 15.50 85.50 254.50 484.50 670.00 961.50 909.50 625.00 481.00 78.00 69.00 4644.50
1965 25.50 45.50 170.00 290.00 447.50 695.00 957.50 890.50 633.50 509.50 167.00 12.00 4843.50
1966 4.00 11.50 169.50 379.50 640.00 686.50 882.50 1010.50 724.00 419.50 164.00 23.50 5115.00
1967 15.00 32.00 90.00 57.00 528.50 743.00 1073.50 1076.50 816.00 371.00 175.00 1.00 4978.50
1968 6.50 125.00 156.00 238.50 456.50 720.50 1018.00 834.00 744.00 388.50 87.00 20.00 4794.50
1969 1.00 12.50 141.50 256.50 660.50 782.50 996.00 940.00 756.00 270.00 117.00 42.00 4975.50
1970 69.50 73.50 145.50 151.00 564.00 844.50 1069.50 1018.50 606.00 351.00 137.00 13.50 5043.50
1971 26.50 42.00 88.00 209.50 477.50 666.00 1022.50 1055.50 626.50 317.00 49.00 2.50 4582.50
1972 19.00 72.00 251.00 212.50 577.50 797.00 1070.00 995.50 623.00 392.50 39.50 14.00 5063.50
1973 24.00 48.00 61.00 299.00 666.50 796.50 1052.00 982.50 720.50 366.00 111.50 26.00 5153.50
1974 26.00 13.50 148.00 182.50 487.00 845.50 941.50 988.00 851.00 419.50 80.50 23.50 5006.50
1975 6.50 29.50 57.50 100.50 522.00 714.00 953.50 863.00 825.50 322.50 71.00 21.00 4486.50
1976 1.50 36.50 109.00 185.50 571.00 648.00 979.00 772.50 753.50 444.50 155.50 0.00 4656.50
1977 0.00 64.00 59.00 349.50 313.00 880.00 965.50 1069.50 688.50 399.50 91.50 22.50 4902.50
1978 27.50 68.00 251.50 208.50 457.00 745.00 983.00 923.00 536.50 513.00 74.00 4.50 4791.50
1979 9.50 45.00 198.50 247.50 565.50 766.00 978.50 899.00 792.00 496.00 77.00 32.00 5106.50
1980 32.50 90.00 82.50 324.00 480.50 589.50 1013.00 919.00 708.00 459.50 117.00 54.00 4869.50
1981 42.00 57.50 124.00 327.00 507.00 616.50 949.00 1037.00 765.50 315.00 148.00 45.50 4934.00
1982 2.50 55.50 68.00 206.00 548.00 723.00 909.50 938.50 574.50 342.00 40.50 12.00 4420.00
1983 20.00 53.50 129.50 183.50 552.00 640.50 800.00 945.50 654.50 429.50 102.00 23.50 4534.00
1984 15.50 46.50 187.50 223.00 518.00 669.00 1055.00 974.00 668.00 264.00 36.50 1.00 4658.00
1985 0.00 z 39.00 91.00 426.00 513.50 813.50 0.00 z 891.50 537.50 329.00 48.50 10.50 3700.00
1986 85.00 0.00 z 278.00 0.00 z 514.00 891.00 919.50 1079.00 544.50 426.00 108.50 3.50 4849.00
1987 12.00 41.00 118.00 447.00 629.50 0.00 z 864.50 0.00 z 0.00 z 601.00 132.50 53.00 2898.50
1988 4.50 102.50 161.00 333.00 408.00 674.50 1036.50 979.50 705.50 570.50 78.50 1.00 5055.00
1989 0.00 13.00 109.50 0.00 z 446.50 0.00 z 868.00 828.00 685.50 338.50 74.50 10.50 3374.00
1990 15.00 33.00 182.50 455.50 419.50 663.50 1015.00 910.50 740.50 370.50 29.50 6.00 4841.00
1991 19.50 117.00 69.00 208.00 376.00 615.00 1047.00 982.00 837.50 530.50 135.50 4.00 4941.00
1992 17.50 109.00 215.00 0.00 z 722.50 810.00 956.00 1008.00 694.50 448.00 82.50 4.00 5067.00
1993 0.00 15.00 206.00 200.50 499.50 585.00 738.50 846.50 0.00 z 407.50 43.00 15.00 3556.50
1994 19.00 22.00 216.50 327.00 562.50 707.50 1083.50 926.50 762.50 328.00 13.50 9.00 4977.50
1995 43.50 159.00 92.50 198.00 486.50 607.50 860.00 866.50 787.50 416.00 231.50 100.50 4849.00
1996 6.50 135.00 179.00 289.00 467.00 737.00 1091.00 992.00 650.00 386.50 122.00 42.50 5097.50
1997 44.50 26.50 206.00 262.00 659.00 665.00 929.50 953.00 681.00 337.00 112.00 7.50 4883.00
1998 20.50 15.00 159.50 234.50 325.50 682.00 1038.00 1016.00 791.50 330.50 41.50 0.00 4654.50
1999 11.50 18.00 88.50 236.50 492.00 666.50 906.75 a 872.50 751.00 449.50 189.00 0.00 4681.75
2000 10.00 64.50 119.00 375.00 484.50 814.66 a 924.00 978.00 664.00 356.50 31.50 1.00 4822.66
2001 12.00 17.50 195.00 217.76 a 684.00 711.00 977.50 1017.50 746.50 431.93 a 103.50 0.50 5114.69
2002 14.50 55.00 109.50 318.00 455.50 769.00 1065.00 891.50 706.50 332.50 60.50 14.00 4791.50
2003 40.50 21.50 144.00 129.00 469.00 788.00 1055.00 916.50 737.00 470.00 20.00 25.50 4816.00
2004 12.50 17.50 263.50 341.50 497.00 788.50 1051.50 1000.00 676.00 388.50 58.00 21.00 5115.50
2005 16.00 53.50 193.50 254.00 551.00 614.00 1095.00 1046.00 654.50 396.50 62.50 39.50 4976.00
2006 11.50 66.00 48.50 281.00 612.50 859.00 743.00 j 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1878.50
Period of Record Statistics
MEAN 17.97 52.03 135.12 271.95 511.66 722.41 979.46 943.30 705.97 402.09 96.99 20.03 4874.37
S.D. 18.21 37.25 59.69 89.56 90.37 89.86 84.12 76.88 82.00 79.57 51.05 21.46 214.26
SKEW 1.59 1.12 0.65 0.03 0.04 -0.01 -0.64 -0.13 -0.32 0.48 0.51 1.59 -0.16
MAX 85.00 159.00 278.00 455.50 722.50 898.50 1113.00 1081.00 851.00 601.00 231.50 100.50 5397.50
MIN 0.00 3.00 48.50 57.00 310.00 504.50 738.50 772.50 536.50 244.50 13.50 0.00 4420.00
NO YRS 57 57 58 55 58 56 57 57 55 58 58 57 49