WILLOW CREEK 1 NW, CALIFORNIA

Monthly Total Growing Degree Days

(049694)

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
1968 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 57.00 z 0.00 z 0.00 z 10.00 10.00
1969 0.00 0.00 65.00 101.00 463.50 568.50 760.00 679.50 586.50 163.00 71.00 25.00 3483.00
1970 31.50 44.00 102.00 73.00 386.50 581.50 745.00 682.00 482.50 237.48 c 43.00 l 0.00 j 3365.48
1971 4.00 k 3.00 k 12.00 i 83.50 300.50 406.00 732.00 739.00 465.52 a 191.17 a 9.44 c 0.00 2927.13
1972 2.00 20.63 c 169.00 122.78 c 386.00 573.50 775.00 758.00 468.50 277.50 18.50 i 2.50 p 3552.91
1973 4.13 a 5.00 28.50 191.00 425.00 582.41 a 774.00 701.50 519.50 225.55 b 48.50 5.17 a 3510.27
1974 24.00 0.00 82.50 140.50 285.00 579.00 675.00 711.50 586.50 203.00 8.00 k 0.00 k 3287.00
1975 0.00 k 0.00 j 3.58 e 21.50 306.50 540.00 662.00 619.50 570.00 151.79 b 15.00 b 1.50 2891.37
1976 0.00 a 2.50 25.00 49.00 266.50 379.50 705.00 626.50 572.50 301.45 b 117.60 e 0.00 3045.55
1977 0.00 24.64 c 26.50 191.67 c 167.50 664.00 723.50 827.50 508.50 179.50 j 44.50 f 10.50 j 3133.81
1978 2.00 n 27.00 k 148.50 g 76.00 m 213.00 i 552.00 764.50 739.50 437.14 b 296.50 i 25.00 l 0.00 k 2493.14
1979 6.50 i 7.00 j 62.00 k 74.50 l 204.00 m 507.93 a 694.92 a 565.75 a 551.50 267.50 g 19.00 m 0.00 m 2320.10
1980 1.50 21.50 11.00 163.00 0.00 z 0.00 z 692.50 0.00 z 0.00 z 294.00 63.21 b 14.97 b 1261.68
1981 24.28 a 29.04 a 39.50 182.68 b 302.50 506.50 694.50 692.00 452.50 93.52 a 79.29 b 15.50 c 3111.80
1982 0.00 35.00 26.00 111.50 345.00 538.50 586.50 669.00 472.00 217.00 11.79 b 1.50 3013.79
1983 1.00 12.32 c 47.00 84.00 405.50 502.50 600.00 708.50 520.00 310.00 46.00 4.00 3240.82
1984 2.50 j 0.50 i 75.50 i 99.50 305.50 471.50 814.00 637.50 478.50 165.50 4.00 0.00 2976.00
1985 0.00 i 10.50 i 13.00 k 247.50 325.00 642.00 870.00 685.50 448.50 232.00 17.00 f 0.50 3451.00
1986 8.00 k 50.50 i 132.50 k 130.00 i 354.50 672.41 a 704.50 856.50 395.50 316.50 33.50 0.00 3333.41
1987 0.00 k 14.00 54.50 j 234.50 i 447.50 664.00 629.50 801.50 454.14 a 402.00 72.50 13.95 a 3499.09
1988 0.00 l 26.00 i 84.50 164.00 i 293.47 a 458.50 820.00 788.50 583.50 419.00 51.00 0.00 3498.47
1989 0.00 k 2.00 i 62.00 315.50 341.50 574.00 614.00 696.00 541.50 238.00 50.50 8.50 k 3433.00
1990 0.00 j 1.50 i 121.00 217.00 i 298.00 512.00 833.50 737.00 588.00 279.00 16.50 0.00 3385.00
1991 8.00 j 31.50 k 10.50 j 131.50 266.50 453.50 863.00 728.00 688.50 395.50 53.50 k 5.00 3531.50
1992 1.50 j 42.50 k 115.00 i 261.21 a 513.00 623.00 743.00 769.50 554.00 335.00 46.00 j 0.00 a 3798.71
1993 0.00 l 14.00 j 160.50 118.50 344.50 449.50 616.00 700.00 538.50 217.50 j 17.00 0.00 m 2944.50
1994 0.00 l 3.00 i 80.00 i 122.00 j 299.00 f 485.50 850.00 658.50 573.50 212.00 3.00 0.00 2782.50
1995 15.50 k 75.50 i 59.00 103.50 j 338.50 489.00 749.50 668.00 597.50 283.50 132.00 38.00 l 3317.00
1996 14.00 85.00 88.50 198.50 330.00 527.00 903.00 776.50 511.03 a 261.50 64.50 14.50 3774.03
1997 18.50 4.50 113.00 155.50 474.00 510.50 739.00 723.50 520.50 212.50 70.00 0.00 3541.50
1998 3.00 j 0.00 i 71.50 125.00 171.02 a 494.50 746.50 773.00 636.00 210.50 17.50 0.00 3245.52
1999 0.57 d 0.54 b 25.50 151.00 238.81 d 435.00 a 657.72 a 689.00 507.60 e 193.23 a 79.50 g 0.00 g 2898.98
2000 0.00 k 8.00 i 30.50 h 137.00 j 213.00 i 459.50 h 421.50 j 684.30 d 516.00 e 147.50 f 13.50 f 0.00 h 1200.30
2001 0.00 j 0.00 i 81.00 i 63.00 i 312.50 j 305.00 h 678.42 e 678.56 d 514.80 e 286.15 e 36.50 i 0.00 k 2157.93
2002 0.50 j 28.00 k 42.00 l 149.00 j 176.50 j 301.50 l 497.50 k 361.50 n 298.00 m 140.00 l 20.00 l 4.50 r 0.00
2003 30.50 k 4.50 k 42.00 k 38.00 o 107.00 r 0.00 z 581.00 i 492.50 j 263.50 p 238.00 i 6.00 p 4.00 l 0.00
2004 0.50 k 5.00 l 135.50 i 158.50 i 236.50 j 418.50 g 503.00 k 0.00 z 0.00 z 0.00 z 16.50 j 7.50 l 0.00
2005 0.00 m 15.00 k 80.50 g 96.50 k 147.50 o 239.50 n 524.50 k 444.50 l 289.00 l 89.00 q 12.00 i 13.50 h 0.00
2006 0.50 n 6.00 m 0.50 l 86.50 m 200.50 p 275.00 p 239.50 u 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
Period of Record Statistics
MEAN 8.68 19.91 67.19 144.30 336.36 531.46 731.75 711.60 526.27 253.83 47.33 5.07 3340.09
S.D. 11.32 22.64 46.44 69.48 83.74 75.76 82.18 62.04 62.99 77.19 36.02 7.24 276.06
SKEW 0.88 1.64 0.70 0.61 0.10 0.15 0.19 0.17 0.28 0.35 0.71 1.31 0.18
MAX 31.50 85.00 169.00 315.50 513.00 672.41 903.00 856.50 688.50 419.00 132.00 25.00 3774.03
MIN 0.00 0.00 3.58 21.50 167.50 379.50 586.50 565.75 395.50 93.52 3.00 0.00 3013.79
NO YRS 14 15 21 23 27 30 32 32 32 28 21 22 8