GRATON, CALIFORNIA

Monthly Total Growing Degree Days

(043578)

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 741.50 754.00 664.50 550.50 337.50 110.50 3158.50
1949 34.00 142.00 328.50 479.50 558.00 716.00 737.50 751.50 733.50 536.50 447.00 128.50 5592.50
1950 102.00 246.50 297.00 468.50 553.50 649.00 759.50 827.50 724.00 591.50 484.00 302.50 6005.50
1951 183.00 212.50 346.50 385.00 578.50 604.00 737.50 710.86 b 516.00 f 591.50 357.00 173.00 4879.36
1952 113.50 239.50 280.50 443.50 601.50 591.00 785.50 761.50 732.00 585.50 287.00 210.50 5631.50
1953 308.50 276.00 326.00 374.50 485.00 639.00 817.00 764.00 730.50 559.00 380.50 255.50 5915.50
1954 183.50 262.00 251.00 481.50 594.00 693.50 820.00 697.50 654.50 541.00 329.00 111.50 m 5507.50
1955 96.50 189.00 337.50 296.50 605.50 644.50 760.50 731.00 698.00 577.50 333.00 275.50 5545.00
1956 228.50 160.00 311.50 415.00 571.50 727.00 734.50 754.00 695.50 508.50 352.50 138.00 5596.50
1957 83.50 265.50 358.50 458.00 569.50 805.50 808.00 767.50 711.50 530.62 a 281.00 171.00 5810.12
1958 192.00 359.50 261.00 472.50 614.00 743.50 767.50 829.50 819.50 626.50 394.00 333.50 6413.00
1959 264.00 229.50 454.00 532.50 587.00 806.50 868.50 819.50 728.50 698.00 376.11 c 197.76 b 6561.87
1960 193.00 277.50 396.00 448.50 585.50 788.50 828.22 a 778.50 678.00 573.00 310.00 194.00 6050.72
1961 154.50 308.00 316.00 465.50 512.50 778.00 903.00 856.00 715.50 606.00 331.50 146.00 6092.50
1962 190.50 209.50 273.50 517.00 553.00 679.00 730.50 819.00 652.50 572.00 395.50 223.50 5815.50
1963 83.00 418.50 294.00 336.00 574.00 665.00 777.50 822.00 770.50 593.50 321.50 88.50 5744.00
1964 148.50 257.89 a 275.00 402.50 490.50 697.00 829.00 847.00 744.00 686.00 288.00 293.00 5958.39
1965 193.00 234.00 339.00 438.50 561.00 583.00 744.00 834.50 607.50 675.00 381.50 75.00 5666.00
1966 191.00 192.50 339.50 527.00 572.00 780.50 757.50 803.50 744.50 609.00 367.50 232.00 6116.50
1967 231.50 262.00 293.00 221.50 595.00 645.50 806.50 791.50 815.19 d 686.00 462.00 182.50 5992.19
1968 165.16 b 375.00 401.00 449.50 565.50 759.83 a 259.50 u 808.50 770.50 586.50 342.00 132.00 5355.48
1969 124.50 152.50 327.50 397.50 646.00 700.50 782.50 832.50 751.00 574.50 383.00 310.00 5982.00
1970 286.50 300.50 406.00 384.00 665.00 675.00 771.00 742.00 753.00 522.00 419.00 176.50 6100.50
1971 205.00 233.50 303.50 374.00 524.00 704.50 796.00 867.00 780.00 496.00 329.00 95.00 5707.50
1972 97.50 289.50 457.50 432.50 602.00 682.50 836.50 811.50 647.50 581.00 293.50 124.00 5855.50
1973 179.50 300.00 280.00 488.50 617.00 782.50 799.50 718.00 716.00 578.50 341.50 273.50 6074.50
1974 193.00 196.00 333.50 403.00 562.50 691.00 823.00 807.00 744.00 628.50 315.50 171.00 5868.00
1975 150.50 219.00 311.50 284.00 618.50 646.50 756.00 769.50 697.50 508.00 266.00 225.50 5452.50
1976 165.50 238.50 304.00 369.00 630.50 745.50 832.50 782.50 729.00 641.50 461.00 174.50 6074.00
1977 129.50 303.00 290.00 497.00 520.50 751.00 830.50 873.50 729.50 614.00 378.50 301.00 6218.00
1978 300.50 302.50 503.50 426.00 714.50 739.00 805.50 833.50 799.50 692.50 299.50 89.50 6506.00
1979 140.00 207.00 364.50 468.50 661.00 717.00 855.50 820.00 861.50 654.50 314.50 217.50 6281.50
1980 241.00 347.50 345.00 455.50 582.00 672.00 796.50 724.00 692.50 646.00 381.50 221.50 6105.00
1981 244.50 311.00 339.50 498.00 669.50 907.00 772.50 820.00 705.50 529.50 437.50 296.00 6530.50
1982 91.50 269.50 298.50 401.00 614.50 619.50 779.00 848.50 776.00 603.50 274.50 176.00 5752.00
1983 160.00 323.50 370.00 398.50 620.00 765.50 866.00 884.00 842.00 703.50 371.00 302.50 6606.50
1984 257.00 255.00 484.50 430.50 723.50 741.50 873.50 849.50 888.50 546.00 299.00 143.50 6492.00
1985 92.00 280.50 297.50 544.50 573.50 795.50 843.00 754.50 684.00 591.50 260.50 113.00 5830.00
1986 307.00 363.00 494.00 475.50 615.00 733.50 775.50 770.00 613.50 599.00 399.00 193.00 6338.00
1987 166.00 270.50 361.50 537.00 695.50 705.50 761.00 763.00 714.50 712.00 362.00 210.50 6259.00
1988 204.00 335.00 447.00 493.00 578.50 738.00 912.00 789.00 696.50 648.00 384.50 199.00 6424.50
1989 153.00 170.00 371.50 540.50 610.50 729.50 847.00 785.50 669.50 575.00 377.50 148.50 5978.00
1990 193.00 180.00 385.50 546.00 600.00 749.00 823.50 864.00 811.00 665.00 327.00 116.50 6260.50
1991 205.00 369.00 289.50 442.50 548.00 643.00 805.50 786.00 750.50 704.00 431.50 174.00 6148.50
1992 147.00 368.00 444.00 551.00 702.50 705.50 823.50 844.50 763.50 712.00 397.50 144.50 6603.50
1993 164.00 215.50 480.00 462.50 631.00 785.50 815.50 861.50 740.00 663.50 326.50 151.00 6296.50
1994 205.50 197.50 436.50 480.50 616.50 719.00 738.50 832.00 741.50 604.00 201.50 121.00 5894.00
1995 311.00 372.50 368.00 459.50 562.50 709.50 857.00 830.00 777.00 679.00 505.00 302.00 6733.00
1996 254.00 363.00 437.00 496.50 634.00 729.00 831.00 822.00 710.00 631.00 420.50 310.50 6638.50
1997 278.00 312.00 458.00 505.00 734.00 755.00 816.50 836.50 818.00 587.50 430.50 205.00 6736.00
1998 285.50 246.00 387.00 423.00 500.00 657.50 804.00 849.00 762.00 565.50 327.50 146.00 5953.00
1999 172.00 188.50 262.00 439.00 549.00 654.50 756.00 804.50 722.00 632.50 413.50 226.00 5819.50
2000 245.00 295.50 389.00 512.50 649.50 709.50 727.50 793.50 764.50 579.50 283.50 212.50 6162.00
2001 127.00 224.00 458.50 384.00 741.50 796.00 777.00 805.50 707.00 698.50 423.00 248.50 6390.50
2002 181.00 286.00 355.00 483.50 566.50 773.50 818.50 795.00 756.50 602.50 452.00 280.50 6350.50
2003 361.00 274.50 448.00 357.00 605.00 748.00 853.50 845.50 810.00 717.50 296.50 240.00 6556.50
2004 229.00 284.00 565.00 540.00 634.50 768.50 819.00 880.00 821.00 607.00 376.00 262.00 6786.00
2005 183.50 333.50 480.00 452.00 640.00 700.50 840.00 775.00 684.00 623.00 448.50 264.50 6424.50
2006 272.50 271.50 232.50 439.00 632.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1847.50
Period of Record Statistics
MEAN 190.36 268.37 362.84 446.28 602.03 716.52 802.36 803.42 737.19 610.36 361.49 200.50 6124.00
S.D. 68.65 63.89 75.89 68.03 57.84 61.44 44.31 44.93 57.92 58.51 62.91 68.16 344.10
SKEW 0.20 0.13 0.52 -0.85 0.40 0.14 0.23 -0.34 0.22 0.15 0.05 0.12 0.09
MAX 361.00 418.50 565.00 551.00 741.50 907.00 912.00 884.00 888.50 717.50 505.00 333.50 6786.00
MIN 34.00 142.00 232.50 221.50 485.00 583.00 727.50 697.50 607.50 496.00 201.50 75.00 5452.50
NO YRS 58 58 58 58 58 57 57 58 57 58 58 57 54