VACAVILLE, CALIFORNIA

Monthly Total Growing Degree Days

(049200)

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 725.50 672.00 593.00 389.71 c 78.62 a 2.00 2460.83
1949 0.00 2.50 88.35 a 355.50 455.18 a 698.50 773.00 672.91 b 622.50 353.50 203.00 7.75 c 4232.70
1950 47.69 e 91.50 111.00 342.00 492.50 591.50 846.50 815.00 657.50 436.00 218.50 64.50 4714.19
1951 8.00 79.00 165.00 223.00 484.52 d 640.50 748.50 739.00 670.00 394.50 79.00 j 19.50 4171.52
1952 1.00 40.00 112.00 275.00 509.00 478.50 850.50 768.50 711.00 465.50 100.20 e 4.00 4315.20
1953 67.50 40.00 119.50 239.00 331.70 a 541.00 857.00 698.50 716.00 408.50 112.50 33.00 4164.20
1954 10.00 48.50 51.00 357.50 528.50 611.50 855.50 641.50 584.00 378.50 72.00 12.00 4150.50
1955 2.00 22.00 123.00 120.00 485.50 594.00 727.47 a 766.50 650.50 426.50 133.50 40.50 4091.47
1956 13.00 17.50 122.00 243.00 438.50 663.00 785.50 708.50 622.00 345.00 132.50 4.50 4095.00
1957 2.50 84.00 154.00 323.00 434.50 785.50 833.00 736.50 654.50 325.50 74.00 4.50 4411.50
1958 16.69 e 93.15 b 29.50 h 287.50 534.50 645.00 806.00 936.00 762.00 571.50 203.00 78.00 4933.35
1959 62.00 57.00 254.50 404.48 a 484.50 748.50 918.50 792.50 620.50 569.00 175.00 31.00 5117.48
1960 22.50 53.50 209.50 282.00 447.00 808.50 912.50 805.50 645.00 420.50 98.00 16.00 4720.50
1961 14.50 77.50 122.00 293.00 359.94 d 789.00 926.00 874.00 624.00 259.00 j 109.50 15.00 4204.44
1962 14.00 29.50 63.50 374.50 419.00 661.00 795.00 767.50 611.00 377.00 150.00 29.00 4291.00
1963 13.50 156.50 69.00 109.00 378.00 582.50 701.00 729.50 672.00 380.50 67.50 0.00 3859.00
1964 0.00 70.00 157.00 279.50 396.00 595.50 795.00 779.50 584.50 507.50 90.50 101.00 4356.00
1965 5.50 71.00 133.50 277.50 514.50 548.00 788.50 809.50 512.00 528.50 171.50 0.00 4360.00
1966 27.00 21.00 185.50 399.31 a 501.00 678.50 716.50 811.50 648.00 440.00 132.50 18.50 4579.31
1967 23.00 26.00 61.00 10.00 419.00 541.00 806.50 870.00 688.00 458.50 196.50 32.50 4132.00
1968 16.00 144.00 153.00 284.00 400.00 680.50 797.50 695.50 632.00 333.50 102.00 7.50 4245.50
1969 10.00 15.50 128.00 219.50 523.50 562.50 785.00 804.50 679.50 333.50 122.50 34.50 4218.50
1970 89.00 73.50 190.50 166.00 533.00 660.00 817.50 711.00 634.50 352.50 149.50 14.50 4391.50
1971 20.00 22.00 103.00 165.50 328.50 582.50 783.00 779.00 628.00 292.00 48.50 0.00 3752.00
1972 0.00 55.50 227.50 224.50 465.00 638.00 745.50 777.50 526.50 362.50 56.00 26.50 4105.00
1973 21.00 50.00 69.50 316.00 518.22 a 694.50 750.00 698.00 566.38 a 345.00 95.00 22.50 4146.10
1974 36.00 17.00 110.50 191.00 435.50 654.50 759.00 732.50 649.50 479.47 a 84.50 13.50 4162.97
1975 1.50 37.50 91.00 114.31 a 501.00 596.50 686.65 a 689.23 a 670.50 345.00 81.11 c 14.00 3828.30
1976 25.00 58.50 131.00 184.00 553.00 649.00 777.50 661.00 627.78 c 448.50 172.50 7.50 4295.28
1977 1.50 87.50 94.07 b 360.50 291.50 685.50 768.00 765.50 572.50 440.00 175.50 42.00 4284.07
1978 40.00 67.50 222.50 0.00 z 539.00 605.00 760.00 770.00 607.50 464.50 0.00 z 8.00 4084.00
1979 15.00 16.50 129.00 205.50 519.00 662.50 768.50 719.41 b 707.50 414.88 a 78.10 a 36.50 4272.40
1980 35.00 96.50 118.50 247.00 390.08 a 482.59 a 0.00 z 677.00 0.00 z 461.50 133.00 22.00 2663.17
1981 36.00 68.00 106.95 a 299.00 497.00 792.86 b 747.50 709.50 610.50 329.00 180.52 a 32.50 4409.32
1982 0.00 72.00 60.50 206.50 480.00 495.00 702.50 738.00 594.50 393.00 46.03 a 15.00 3803.03
1983 11.50 69.00 126.50 153.50 422.00 612.00 687.00 788.00 712.00 491.50 112.00 49.00 4234.00
1984 21.50 21.50 218.00 217.00 572.00 631.00 863.50 783.50 730.00 342.50 77.50 13.00 4491.00
1985 0.00 96.00 0.00 z 0.00 z 0.00 z 697.50 824.00 668.50 512.50 422.50 103.00 0.00 z 3324.00
1986 45.00 140.00 252.00 0.00 z 472.00 699.81 d 0.00 z 720.50 457.50 468.00 210.00 18.00 3482.81
1987 16.00 74.00 126.00 391.00 549.50 656.50 645.50 731.50 636.00 517.50 115.00 37.50 4496.00
1988 5.50 96.00 208.50 0.00 z 0.00 z 0.00 z 678.50 i 811.00 667.50 536.62 b 0.00 z 24.00 2349.12
1989 4.00 58.50 165.50 387.50 495.50 661.50 825.50 748.50 609.50 408.50 154.50 0.00 z 4519.00
1990 10.00 32.00 0.00 z 415.50 457.50 673.00 908.00 846.50 718.00 541.50 145.50 4.00 4751.50
1991 46.50 160.00 52.00 261.00 399.00 610.50 878.00 726.00 770.50 609.50 190.50 7.50 4711.00
1992 0.00 135.00 213.50 405.50 682.50 682.50 814.50 890.00 697.00 529.00 149.00 2.50 5201.00
1993 5.50 22.50 227.00 294.00 498.00 691.50 824.50 800.00 706.00 519.50 122.50 19.00 4730.00
1994 7.50 30.50 213.00 312.50 464.50 660.00 790.50 776.50 645.00 0.00 z 35.00 0.00 3935.00
1995 75.00 87.50 120.50 280.50 448.50 640.50 831.50 839.00 702.00 511.00 297.00 79.00 4912.00
1996 30.00 143.50 226.50 370.00 548.00 729.50 962.00 911.00 676.50 469.00 164.00 81.00 5311.00
1997 62.00 114.00 284.50 389.50 688.50 716.50 849.00 794.00 782.00 487.50 210.50 19.50 5397.50
1998 51.00 28.00 200.50 262.50 302.50 576.00 866.50 0.00 z 737.50 413.00 114.00 11.50 3563.00
1999 32.50 41.00 84.50 289.66 a 492.26 b 668.50 770.00 781.50 724.50 563.17 a 186.50 41.00 4675.08
2000 37.20 a 66.00 209.77 a 377.50 561.00 757.00 733.00 828.70 c 702.93 a 397.46 c 80.56 c 8.78 a 4759.90
2001 2.07 a 37.50 275.26 b 241.73 d 778.88 c 766.61 b 787.06 d 846.82 a 689.46 b 556.45 a 199.66 a 18.71 b 5200.19
2002 12.50 95.00 145.50 306.00 476.00 724.00 867.00 803.50 754.50 476.50 172.50 54.00 4887.00
2003 77.50 76.00 253.00 172.50 533.00 739.00 989.00 844.00 789.00 491.50 f 99.00 51.00 4623.00
2004 13.50 50.50 391.00 388.50 537.13 e 732.50 844.15 e 853.00 745.00 417.50 112.50 31.00 5116.29
2005 9.50 110.00 221.50 273.50 511.00 589.00 963.50 898.50 609.00 e 495.50 234.50 94.19 e 5009.69
2006 30.00 111.00 43.50 281.00 586.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1052.00
Period of Record Statistics
MEAN 22.45 66.49 154.45 274.97 483.28 652.82 806.18 772.15 654.90 439.00 133.25 26.32 4468.99
S.D. 22.11 39.21 71.79 89.20 88.14 77.02 73.32 68.06 69.47 76.46 55.04 24.43 420.84
SKEW 1.21 0.60 0.71 -0.51 0.52 -0.15 0.36 0.26 -0.37 0.18 0.49 1.37 0.50
MAX 89.00 160.00 391.00 415.50 778.88 808.50 989.00 936.00 789.00 609.50 297.00 101.00 5397.50
MIN 0.00 2.50 43.50 10.00 291.50 478.50 645.50 641.50 457.50 292.00 35.00 0.00 3752.00
NO YRS 58 58 55 54 56 56 55 57 57 55 55 56 44