MODESTO, CALIFORNIA

Monthly Total Growing Degree Days

(045738)

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
1931 7.00 62.50 175.50 384.00 621.00 614.00 955.00 806.50 504.00 317.00 98.00 2.00 4546.50
1932 0.50 40.00 183.50 210.50 457.50 672.00 756.00 708.50 661.50 363.00 181.50 0.00 4234.50
1933 0.00 3.50 147.00 249.50 319.00 573.00 872.50 782.00 521.50 507.50 103.50 13.00 4092.00
1934 8.50 85.00 309.00 395.00 536.50 589.00 764.00 746.00 621.00 402.00 153.50 11.50 4621.00
1935 4.00 28.50 47.00 262.00 436.00 679.00 753.00 775.50 598.00 338.00 25.50 7.00 3953.50
1936 26.00 58.50 175.00 305.00 530.00 651.00 840.50 796.00 642.50 444.00 88.50 0.50 4557.50
1937 0.00 16.00 156.50 216.50 511.00 648.50 857.00 795.00 613.00 440.00 140.50 36.50 4430.50
1938 3.50 47.50 69.50 234.50 510.00 687.00 804.00 742.50 667.50 357.50 44.50 19.00 4187.00
1939 0.50 6.50 125.00 397.00 508.50 678.50 799.00 775.00 678.50 404.00 124.50 37.50 4534.50
1940 78.00 94.00 209.00 323.00 567.00 758.00 788.50 752.50 579.50 414.50 71.50 62.50 4698.00
1941 38.00 101.00 202.00 237.50 508.00 597.00 861.50 688.00 564.00 334.00 173.50 40.50 4345.00
1942 30.50 29.50 111.50 212.00 360.00 618.50 809.50 747.00 561.50 419.00 85.00 10.00 3994.00
1943 10.50 69.50 137.00 270.50 506.00 511.50 769.00 669.50 649.50 359.00 117.50 13.00 4082.50
1944 5.00 16.00 149.00 170.50 471.50 546.00 732.00 715.50 671.50 419.50 61.50 19.00 3977.00
1945 0.50 42.50 56.50 289.50 385.00 681.50 873.00 732.50 627.50 421.00 53.00 30.50 4193.00
1946 1.00 25.00 112.00 329.00 456.50 597.00 787.00 760.50 631.50 295.50 33.00 8.00 4036.00
1947 1.50 41.50 197.00 367.00 625.00 668.50 717.00 684.00 694.00 392.00 33.50 1.50 4422.50
1948 25.50 18.00 39.50 171.50 330.67 a 603.50 738.50 682.50 568.00 338.50 42.00 0.00 3558.17
1949 0.00 21.00 68.00 330.00 411.50 653.50 716.00 607.50 566.00 266.00 95.40 e 0.00 d 3734.90
1950 33.00 53.50 96.50 338.50 503.50 588.50 862.00 820.00 617.00 430.00 230.00 75.50 4648.00
1951 11.00 74.50 158.50 286.00 511.00 627.00 769.50 751.00 653.00 378.00 137.00 20.00 4376.50
1952 18.00 37.00 88.50 r 274.50 538.50 511.00 865.00 777.50 684.00 466.50 99.00 12.00 4283.00
1953 68.50 36.50 122.00 258.00 342.00 531.00 880.50 683.00 682.00 370.00 143.00 5.50 4122.00
1954 2.00 54.50 77.50 a 396.00 531.00 614.50 882.00 663.50 558.50 364.00 83.00 29.00 4255.50
1955 1.00 13.50 136.50 142.00 463.50 605.00 713.50 781.00 633.50 401.50 92.50 54.00 4037.50
1956 18.50 15.50 144.50 270.00 486.50 654.00 799.00 700.50 628.50 334.50 89.00 14.50 4155.00
1957 6.00 126.50 175.00 318.00 455.50 757.50 841.50 709.00 634.00 351.00 58.50 10.00 4442.50
1958 26.00 135.50 71.00 302.00 565.00 639.00 804.00 924.50 719.50 542.50 179.00 54.50 4962.50
1959 79.00 57.00 277.50 445.50 465.50 746.00 919.50 785.00 602.00 501.50 114.00 11.00 5003.50
1960 35.50 34.00 210.00 291.00 450.00 801.00 901.50 788.00 654.00 406.62 a 81.50 20.50 4673.62
1961 17.50 84.00 124.00 327.50 374.50 768.50 897.00 851.00 594.00 424.00 73.00 21.00 4556.00
1962 0.00 30.50 81.50 387.00 408.50 662.00 789.50 769.50 628.00 383.00 183.00 50.00 4372.50
1963 15.50 209.00 121.00 166.50 467.00 638.00 754.00 756.00 704.50 434.00 82.50 0.00 4348.00
1964 3.00 34.50 133.00 271.50 399.00 584.50 797.50 769.00 540.50 478.00 66.00 75.50 4152.00
1965 13.00 34.00 120.50 265.00 432.50 478.50 771.50 800.00 515.50 476.00 165.00 1.00 4072.50
1966 8.50 28.00 191.00 408.50 524.50 648.00 698.50 811.50 598.50 384.00 152.00 8.00 4461.00
1967 11.00 13.50 104.00 29.50 490.50 594.00 901.50 920.50 723.50 473.00 208.50 3.00 4472.50
1968 9.00 165.50 199.50 315.50 455.00 723.62 a 822.50 700.50 629.50 378.50 121.50 8.00 4528.62
1969 34.00 19.50 147.00 283.00 559.00 594.50 855.50 856.50 725.50 328.50 137.50 46.00 4586.50
1970 90.00 96.00 189.50 201.00 571.50 669.00 879.00 772.00 642.00 372.00 151.00 25.50 4658.50
1971 18.50 23.85 a 130.50 232.00 380.50 616.50 846.50 863.00 670.50 342.50 76.50 9.30 a 4210.15
1972 0.00 113.00 324.00 304.50 546.00 699.00 829.00 815.00 590.00 384.00 62.50 20.50 4687.50
1973 26.00 82.50 55.00 346.00 617.00 768.00 827.00 775.50 610.00 388.00 120.00 18.50 4633.50
1974 41.00 29.00 186.00 268.50 492.00 720.00 829.50 808.00 717.00 497.00 95.50 8.00 4691.50
1975 3.50 69.50 98.50 155.50 538.50 654.50 778.50 739.00 703.00 348.00 80.00 7.00 4175.50
1976 14.50 68.00 142.50 234.50 563.50 659.00 831.00 681.00 661.50 475.00 177.00 2.00 4509.50
1977 4.50 100.00 88.00 410.00 347.50 764.50 857.50 828.00 661.00 489.00 159.50 64.50 4774.00
1978 66.00 82.00 331.50 273.50 600.00 692.00 881.50 851.50 628.00 541.00 73.50 4.50 5025.00
1979 18.50 46.00 213.00 333.50 621.00 764.50 872.50 783.00 795.00 488.50 109.00 39.00 5083.50
1980 65.50 124.00 128.50 315.50 433.50 576.00 840.50 765.00 646.00 473.50 147.50 11.00 4526.50
1981 64.00 104.74 a 150.50 364.00 568.50 872.50 863.00 823.00 708.50 347.50 201.50 49.00 5116.74
1982 0.00 103.50 111.50 295.00 563.50 590.50 812.00 818.50 623.00 431.00 60.50 9.00 4418.00
1983 18.00 103.00 198.00 231.50 533.50 690.50 765.50 864.00 731.00 524.50 137.00 74.50 4871.00
1984 15.00 49.00 288.00 297.00 659.50 720.50 960.50 855.00 825.50 360.00 106.50 9.82 a 5146.32
1985 0.50 117.50 112.00 449.00 514.00 822.50 922.50 772.00 583.50 409.50 90.00 22.00 4815.00
1986 91.50 176.50 318.50 356.00 572.00 719.50 829.50 0.00 z 514.00 446.50 157.00 4.50 4185.50
1987 7.50 74.50 170.00 478.00 621.50 738.00 719.00 783.00 661.50 528.00 71.00 45.00 4897.00
1988 11.50 137.00 261.50 342.00 476.50 696.50 964.50 829.50 700.00 529.00 0.00 z 7.00 4955.00
1989 1.03 a 81.00 258.00 454.00 544.00 708.00 843.50 766.00 629.00 441.00 178.50 16.00 4920.03
1990 30.50 59.50 234.50 443.50 506.50 690.50 902.00 842.50 703.00 567.00 163.50 5.00 5148.00
1991 19.00 173.50 94.50 270.50 427.00 611.50 883.00 747.50 781.50 631.50 222.50 20.00 4882.00
1992 2.00 188.00 273.50 461.50 718.50 683.50 849.00 914.00 738.00 573.00 202.00 24.00 5627.00
1993 26.50 69.00 325.50 342.50 555.00 720.00 820.00 823.50 719.50 542.00 161.00 32.00 5136.50
1994 26.50 54.00 296.00 365.50 515.00 717.50 847.00 870.00 710.00 479.00 49.00 0.00 4929.50
1995 114.50 136.00 193.00 313.50 477.50 625.50 839.00 0.00 z 718.00 550.00 339.00 92.50 4398.50
1996 28.50 199.00 269.00 413.00 574.00 749.50 979.50 937.50 675.00 463.00 205.50 93.00 5586.50
1997 79.00 136.00 351.00 420.50 722.50 708.50 874.00 839.50 801.00 458.50 250.00 17.00 5657.50
1998 56.00 75.00 243.50 315.50 354.00 609.00 883.00 947.50 750.00 354.50 87.00 8.50 4683.50
1999 26.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 673.50 523.50 185.00 0.00 1408.50
2000 42.00 87.00 173.50 364.00 546.00 777.50 768.50 821.00 668.00 379.00 45.00 18.00 4689.50
2001 1.00 31.50 242.50 229.00 765.50 792.00 841.50 849.00 701.00 503.00 177.50 21.00 5154.50
2002 13.50 67.50 149.50 323.00 536.00 754.50 894.50 795.50 723.50 405.50 128.50 32.00 4823.50
2003 39.00 40.50 202.50 179.50 536.00 752.00 1018.00 843.50 753.50 541.50 77.00 44.50 5027.50
2004 11.50 45.50 338.50 408.00 563.50 724.00 875.00 841.00 688.50 387.00 71.50 25.00 4979.00
2005 9.50 92.00 212.00 258.00 536.00 640.50 995.50 914.50 622.50 447.50 181.50 76.00 4985.50
2006 14.50 128.50 95.00 323.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 561.00
Period of Record Statistics
MEAN 22.99 72.34 173.09 305.35 507.70 668.79 837.03 788.37 654.30 428.77 121.90 23.81 4584.19
S.D. 25.99 49.05 78.98 85.54 90.17 77.72 68.90 69.93 68.67 75.07 59.65 23.54 430.92
SKEW 1.54 0.90 0.51 -0.30 0.20 0.00 0.23 0.04 0.02 0.33 0.79 1.28 0.23
MAX 114.50 209.00 351.00 478.00 765.50 872.50 1018.00 947.50 825.50 631.50 339.00 93.00 5657.50
MIN 0.00 3.50 39.50 29.50 319.00 478.50 698.50 607.50 504.00 266.00 25.50 0.00 3558.17
NO YRS 76 75 74 75 74 74 74 72 75 75 74 75 70