COVELO, CALIFORNIA

Monthly Total Growing Degree Days

(042081)

Base Temperature = 50 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 694.52 e 594.00 457.50 224.50 11.25 b 0.00 1981.77
1949 0.00 7.00 12.50 212.50 328.50 560.17 a 373.00 n 590.50 547.50 b 187.00 f 96.60 e 0.00 2355.27
1950 0.00 13.50 28.00 141.50 252.00 g 463.39 b 797.00 732.93 c 466.50 231.00 62.31 d 19.50 2955.63
1951 0.00 14.00 40.00 206.00 322.00 627.50 911.00 844.00 690.00 211.50 69.50 3.50 3939.00
1952 0.00 8.50 40.50 173.50 348.00 390.00 832.00 681.00 607.50 409.00 26.00 0.00 3516.00
1953 9.00 u 15.50 27.50 118.00 124.00 311.00 698.50 589.00 641.50 200.50 62.50 0.50 2788.50
1954 4.00 17.50 23.00 201.50 383.00 407.50 689.00 569.50 405.50 206.00 25.50 0.00 2932.00
1955 0.00 2.50 21.00 22.00 272.50 487.00 575.10 b 698.00 505.50 282.50 57.50 27.00 2950.60
1956 1.50 0.00 25.00 156.00 274.35 a 473.00 743.50 618.50 471.00 218.50 54.50 6.00 3041.85
1957 0.00 52.00 44.50 115.00 269.00 0.00 z 0.00 z 292.50 o 490.50 107.50 9.00 0.50 1088.00
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 13.36 b 3.92 c 46.50 a 205.50 182.79 b 486.00 763.12 a 671.50 398.50 269.50 10.00 0.00 f 3050.69
1960 0.00 3.50 115.00 109.00 204.00 621.50 760.50 638.00 507.50 219.00 22.50 4.00 3204.50
1961 8.50 10.00 21.00 156.50 195.00 579.50 664.00 721.78 a 417.00 229.50 4.04 d 0.00 3006.82
1962 0.00 0.00 24.00 192.00 197.50 479.50 695.50 632.50 521.50 178.00 31.50 17.50 2969.50
1963 0.00 44.50 6.00 32.50 284.50 407.00 500.00 524.00 472.00 219.00 8.50 0.00 2498.00
1964 0.00 0.50 26.00 82.50 0.00 z 363.50 616.50 621.50 363.50 257.50 4.00 35.00 2370.50
1965 0.00 1.00 30.40 e 113.00 211.50 386.50 600.00 611.70 c 375.00 269.00 49.00 i 1.00 h 2598.10
1966 0.00 0.00 65.50 189.00 342.50 396.50 435.00 f 657.50 471.43 b 192.00 73.89 c 2.50 f 2388.32
1967 2.07 a 3.36 c 8.00 0.52 a 293.97 b 495.00 679.50 712.48 a 535.34 a 164.50 60.56 c 0.00 f 2955.29
1968 0.50 55.00 59.42 a 109.50 239.45 b 476.50 681.00 532.17 a 434.50 148.59 b 28.33 c 0.50 2765.45
1969 0.00 0.50 56.83 d 100.56 c 342.50 461.00 643.50 590.50 484.50 77.00 33.00 f 0.00 z 2756.89
1970 0.00 z 5.04 c 58.56 d 30.50 312.07 a 509.50 715.58 a 620.50 416.90 a 191.17 a 36.96 b 6.56 e 2903.33
1971 0.00 b 11.50 24.50 80.50 210.00 368.50 624.00 653.00 414.50 167.50 4.66 a 0.00 2558.66
1972 1.00 8.50 110.50 96.50 287.50 487.50 682.00 631.00 385.86 a 168.50 6.50 4.00 2869.36
1973 0.00 2.00 13.00 0.00 z 0.00 z 509.00 670.93 c 619.50 446.00 170.50 40.00 2.50 2473.43
1974 7.75 a 0.00 35.50 79.50 270.50 485.50 589.00 0.00 z 0.00 z 204.08 a 2.00 1.03 a 1674.87
1975 0.00 8.50 8.02 b 40.34 a 272.28 a 473.28 a 424.50 h 565.50 531.00 153.50 6.60 e 0.00 a 2059.02
1976 0.00 5.02 c 0.00 z 53.50 334.50 449.00 737.00 579.50 521.50 308.00 77.00 0.00 i 3065.02
1977 0.00 34.50 0.00 z 149.00 138.00 648.00 720.50 761.00 482.00 259.50 20.50 9.50 3222.50
1978 5.00 31.50 116.00 84.00 278.00 492.00 727.00 696.50 413.79 a 371.00 24.00 0.50 3239.29
1979 3.50 0.00 81.00 87.50 354.00 499.00 697.50 614.50 587.00 304.50 11.50 6.50 3246.50
1980 11.50 24.86 a 6.50 142.50 250.50 339.50 689.00 648.50 502.00 316.95 b 52.76 a 0.00 z 2984.56
1981 10.00 34.00 16.00 161.00 288.50 562.50 713.50 723.50 555.00 165.00 81.50 22.50 3333.00
1982 0.00 31.50 4.00 91.00 328.50 0.00 z 635.50 663.50 447.50 205.50 0.00 6.50 2413.50
1983 0.50 7.50 13.50 39.00 335.00 455.00 557.50 639.00 491.00 271.50 26.00 4.50 2840.00
1984 6.00 1.00 32.00 68.50 346.00 472.50 825.50 684.50 552.50 154.00 13.00 5.00 3160.50
1985 0.00 30.50 22.00 232.50 245.50 621.00 785.00 630.00 380.00 0.00 z 0.00 z 3.50 2950.00
1986 15.50 57.00 126.50 137.50 0.00 z 563.50 671.50 776.50 364.00 253.00 25.50 0.00 2990.50
1987 4.00 7.50 42.00 211.00 378.00 611.00 563.50 738.50 0.00 z 0.00 z 0.00 z 0.00 z 2555.50
1988 0.00 z 32.50 66.00 154.50 225.00 469.50 813.50 731.50 548.50 404.50 30.58 d 2.00 3478.08
1989 3.00 11.00 72.00 247.00 290.50 521.50 621.00 636.50 498.50 232.50 43.00 5.50 3182.00
1990 5.00 17.50 89.50 280.50 239.50 470.50 783.00 686.50 508.50 292.50 16.00 0.00 3389.00
1991 6.00 42.00 29.00 72.50 205.00 417.00 823.50 645.00 671.50 421.00 75.00 0.00 3407.50
1992 16.00 43.50 80.50 222.50 497.00 544.00 692.00 738.50 526.00 339.00 61.50 0.00 3760.50
1993 0.00 17.00 123.50 93.00 275.50 425.00 600.00 623.00 492.00 314.00 20.50 4.50 2988.00
1994 3.50 4.00 88.50 146.00 317.00 462.00 777.00 627.00 523.00 191.50 6.00 0.50 3146.00
1995 16.50 64.00 27.00 98.00 292.00 445.50 667.50 652.00 528.50 267.50 98.00 30.00 3186.50
1996 7.50 66.50 87.50 156.50 263.50 483.50 817.00 724.00 482.00 252.00 39.50 11.00 3390.50
1997 13.50 1.00 98.00 132.00 422.50 456.00 692.50 597.50 436.00 183.50 68.50 0.00 3101.00
1998 8.00 0.50 67.50 109.00 123.00 439.00 677.50 670.00 528.00 163.00 11.50 0.00 2797.00
1999 0.00 0.00 13.00 148.50 237.00 412.50 550.77 a 582.50 549.50 256.50 62.00 0.00 2812.27
2000 0.00 5.50 61.00 175.50 265.50 558.00 583.83 a 612.77 a 470.50 221.50 14.00 0.00 2968.10
2001 0.00 7.00 117.50 78.00 439.00 427.00 451.50 j 641.00 513.50 314.50 47.00 1.50 2586.00
2002 8.50 36.00 49.50 172.50 242.50 487.50 727.50 625.50 474.50 202.50 29.50 0.00 3056.00
2003 29.00 8.50 33.00 n 27.50 164.00 g 522.50 729.50 618.00 529.00 302.00 3.50 4.00 n 2769.50
2004 0.50 2.00 183.50 170.00 306.00 507.50 726.00 672.50 457.50 220.00 11.38 a 13.00 3269.88
2005 2.50 7.00 f 100.50 91.00 289.50 355.50 744.00 472.00 j 401.50 206.00 22.00 18.50 2231.00
2006 3.50 14.50 1.50 i 129.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 147.00
Period of Record Statistics
MEAN 4.03 16.54 52.53 127.22 281.84 478.19 695.67 651.11 488.96 236.35 34.07 5.69 3113.72
S.D. 5.93 18.48 40.04 62.59 74.47 75.11 83.98 62.40 71.94 72.49 26.87 8.69 310.86
SKEW 1.97 1.20 1.00 0.16 0.25 0.21 0.03 0.59 0.51 0.59 0.67 1.86 0.48
MAX 29.00 66.50 183.50 280.50 497.00 648.00 911.00 844.00 690.00 421.00 98.00 35.00 3939.00
MIN 0.00 0.00 4.00 0.52 123.00 311.00 500.00 524.00 363.50 77.00 0.00 0.00 2498.00
NO YRS 54 56 53 56 51 54 52 54 55 54 53 48 31