COVELO, CALIFORNIA

Monthly Total Growing Degree Days

(042081)

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 1004.52 e 904.00 756.00 519.00 180.54 b 28.50 3392.55
1949 2.00 92.00 232.00 511.50 638.50 860.17 a 543.00 n 900.50 847.50 b 413.00 f 372.00 e 45.00 4501.17
1950 0.50 180.00 216.00 413.50 467.50 g 763.39 b 1107.00 1042.93 c 765.00 529.50 299.42 d 188.50 5505.74
1951 84.00 144.00 229.00 494.00 630.00 927.50 1221.00 1154.00 990.00 520.50 289.50 97.50 6781.00
1952 40.00 157.50 170.00 469.50 656.50 687.50 1142.00 991.00 907.50 719.00 194.00 67.50 6202.00
1953 64.50 u 168.50 227.50 360.00 412.00 611.00 1008.50 899.00 941.50 508.50 299.50 95.50 5531.50
1954 88.00 220.50 213.00 482.00 693.00 707.50 999.00 879.50 705.50 513.00 260.50 64.00 5825.50
1955 28.50 113.50 218.50 231.50 579.50 787.00 885.10 b 1008.00 805.50 585.00 221.50 191.00 5654.60
1956 128.50 68.00 248.00 429.50 577.63 a 773.00 1053.50 928.50 771.00 502.50 252.50 66.50 5799.13
1957 29.50 224.00 272.00 395.50 579.00 0.00 z 0.00 z 452.50 o 790.50 412.00 158.00 64.50 2925.00
1958 0.00 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
1959 127.74 b 123.76 c 287.27 a 505.50 473.55 b 786.00 1073.12 a 981.50 698.50 573.50 204.50 26.00 f 5834.94
1960 80.50 117.00 344.50 349.50 494.50 921.50 1070.50 948.00 807.50 521.50 179.00 82.50 5916.50
1961 122.50 155.50 204.50 406.50 494.00 879.50 974.00 1031.78 a 717.00 506.50 170.19 d 53.50 5715.48
1962 70.50 124.00 172.00 478.50 502.50 779.50 1005.50 942.50 821.50 479.00 204.50 151.00 5731.00
1963 22.00 294.00 168.00 213.50 583.50 707.00 810.00 834.00 772.00 514.00 169.50 66.00 5153.50
1964 22.50 119.00 170.00 320.50 0.00 z 663.50 926.50 931.50 663.50 565.50 133.00 147.50 4663.00
1965 97.00 124.50 289.73 e 339.50 500.00 682.50 910.00 921.70 c 675.00 570.00 223.00 i 44.00 h 5109.93
1966 46.50 63.50 268.50 478.50 652.50 692.00 685.00 f 967.50 771.43 b 486.00 301.11 c 74.00 f 4727.54
1967 68.20 a 169.68 c 161.50 142.24 a 587.93 b 795.00 989.50 1022.48 a 835.34 a 470.00 262.22 c 22.00 f 5504.10
1968 56.00 285.00 277.97 a 365.00 544.64 b 776.50 991.00 842.17 a 733.50 445.76 b 187.22 c 35.00 5539.75
1969 44.50 46.50 239.39 d 366.11 c 647.00 761.00 953.50 900.50 784.50 361.50 189.50 f 0.00 z 5104.50
1970 0.00 z 148.40 c 286.46 d 245.00 603.98 a 809.50 1025.58 a 930.50 716.90 a 462.93 a 278.04 b 66.77 e 5574.06
1971 71.62 b 129.00 195.00 314.00 516.50 668.50 934.00 963.00 712.50 379.00 162.41 a 9.00 5054.53
1972 46.50 152.00 359.00 329.50 593.00 781.50 992.00 941.00 685.86 a 443.50 147.50 60.00 5531.36
1973 37.00 172.00 175.00 0.00 z 0.00 z 809.00 980.93 c 929.50 746.00 473.00 206.50 121.00 4649.93
1974 96.62 a 83.00 247.00 335.00 569.50 785.50 899.00 0.00 z 0.00 z 502.72 a 158.00 84.22 a 3760.55
1975 66.50 109.50 195.09 b 236.38 a 576.08 a 773.28 a 654.50 h 875.50 831.00 420.00 138.60 e 72.85 a 4294.77
1976 46.50 147.23 c 0.00 z 302.00 644.50 749.00 1047.00 889.50 821.50 618.00 315.00 61.50 i 5580.23
1977 78.50 211.00 0.00 z 439.00 426.50 948.00 1030.50 1071.00 782.00 568.00 227.50 184.50 5966.50
1978 202.00 211.00 411.00 317.50 586.00 792.00 1037.00 1006.50 713.79 a 678.50 181.50 51.00 6187.79
1979 82.00 114.50 330.00 351.50 653.50 799.00 1007.50 924.50 887.00 607.00 215.50 118.00 6090.00
1980 159.00 249.61 a 220.00 406.50 555.00 639.50 999.00 958.50 802.00 621.60 b 236.90 a 0.00 z 5847.61
1981 146.50 213.50 255.50 422.50 596.00 862.50 1023.50 1033.50 855.00 463.50 312.50 223.00 6407.50
1982 26.50 158.50 177.00 294.00 638.50 0.00 z 945.50 973.50 747.50 504.00 139.50 83.00 4687.50
1983 115.50 167.00 240.00 269.00 639.50 755.00 867.50 949.00 791.00 581.50 159.50 143.50 5678.00
1984 128.50 120.00 301.50 295.00 653.50 772.50 1135.50 994.50 852.50 415.50 198.50 63.00 5930.50
1985 85.00 212.00 188.00 523.50 555.50 921.00 1095.00 940.00 680.00 0.00 z 0.00 z 115.00 5315.00
1986 224.50 253.50 394.00 423.50 0.00 z 863.50 981.50 1086.50 664.00 562.00 231.50 105.00 5789.50
1987 76.50 174.50 251.50 503.50 688.00 911.00 873.50 1048.50 0.00 z 0.00 z 0.00 z 0.00 z 4527.00
1988 0.00 z 243.50 346.50 443.00 527.00 769.50 1123.50 1041.50 848.50 714.50 219.81 d 126.00 6403.31
1989 104.50 128.50 310.50 531.50 599.50 821.50 931.00 946.50 798.50 537.00 288.50 89.00 6086.50
1990 89.50 115.00 342.50 578.50 547.50 770.50 1093.00 996.50 808.50 601.50 172.50 38.50 6154.00
1991 110.50 296.50 171.00 344.50 507.00 717.00 1133.50 955.00 971.50 716.50 285.50 56.00 6264.50
1992 110.50 257.50 388.50 514.50 807.00 844.00 1002.00 1048.50 826.00 649.00 230.50 45.50 6723.50
1993 70.00 131.00 419.50 374.00 584.50 725.00 910.00 933.00 792.00 624.00 171.00 59.00 5793.00
1994 110.50 98.00 361.50 424.50 627.00 762.00 1087.00 937.00 823.00 495.00 81.50 56.00 5863.00
1995 206.50 287.00 246.50 352.00 599.00 745.50 977.50 962.00 828.50 577.50 373.50 192.50 6348.00
1996 134.50 260.00 353.50 420.00 573.50 783.50 1127.00 1034.00 782.00 544.00 265.00 165.50 6442.50
1997 142.50 165.00 352.50 408.00 732.50 756.00 1002.50 907.50 736.00 490.00 316.00 70.50 6079.00
1998 160.50 111.00 289.00 342.00 417.00 739.00 987.50 980.00 828.00 466.00 200.00 64.50 5584.50
1999 68.50 85.00 195.00 373.50 535.50 712.50 860.77 a 892.50 849.50 566.00 301.00 53.00 5492.77
2000 126.50 211.00 308.00 464.50 571.50 858.00 893.83 a 922.77 a 770.50 521.50 153.00 73.50 5874.60
2001 47.50 115.50 379.00 322.50 749.00 727.00 661.50 j 951.00 813.50 624.50 263.00 113.50 5106.00
2002 90.50 223.50 252.00 440.00 548.00 787.50 1037.50 935.50 774.50 500.00 275.50 119.00 5983.50
2003 240.00 160.50 175.00 n 232.00 397.00 g 822.50 1039.50 928.00 829.00 603.50 168.50 75.50 n 5023.50
2004 110.00 155.50 458.00 443.50 616.00 807.50 1036.00 982.50 757.50 504.50 202.76 a 123.50 6197.26
2005 104.50 139.50 f 376.00 357.00 598.00 654.50 1054.00 682.00 j 701.50 509.00 212.00 164.00 4730.50
2006 113.00 187.50 97.00 i 373.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 674.00
Period of Record Statistics
MEAN 92.37 165.15 271.41 383.91 585.91 777.86 1005.67 961.11 788.85 534.20 223.16 94.86 5938.22
S.D. 53.16 62.28 77.64 91.74 78.85 75.38 83.99 62.41 72.01 80.69 63.98 50.07 397.36
SKEW 0.71 0.42 0.45 -0.23 0.13 0.21 0.03 0.59 0.51 0.35 0.34 0.76 -0.01
MAX 240.00 296.50 458.00 578.50 807.00 948.00 1221.00 1154.00 990.00 719.00 373.50 223.00 6781.00
MIN 0.50 46.50 161.50 142.24 412.00 611.00 810.00 834.00 663.50 361.50 81.50 9.00 5054.53
NO YRS 54 56 53 56 51 54 52 54 55 54 53 48 31