GILROY, CALIFORNIA

Monthly Total Growing Degree Days

(043417)

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
1957 0.00 z 0.00 z 0.00 z 0.00 z 90.00 v 452.50 h 638.00 575.00 555.50 343.30 d 93.00 21.81 d 2226.61
1958 8.50 130.00 66.00 217.50 435.66 c 509.46 b 633.50 699.00 650.50 492.00 179.00 105.50 4126.62
1959 81.00 50.00 224.50 350.00 334.50 546.00 672.50 635.50 519.50 437.00 149.00 34.50 4034.00
1960 37.00 38.00 192.00 238.50 361.00 595.00 679.00 573.50 539.50 322.50 105.00 14.00 3695.00
1961 34.00 80.00 72.00 244.50 275.38 a 579.00 716.00 685.00 510.00 371.50 102.50 23.00 3692.88
1962 23.50 44.50 60.50 288.50 291.00 469.50 535.50 626.50 485.00 368.00 186.00 62.50 3441.00
1963 3.50 191.00 77.50 123.50 323.50 450.50 562.50 597.50 621.50 404.00 115.00 1.50 3471.50
1964 4.00 14.50 78.00 165.50 266.50 446.00 600.00 609.50 463.00 459.00 97.00 74.00 3277.00
1965 23.50 43.50 100.00 218.00 314.00 375.50 588.50 677.00 447.50 458.50 147.50 5.50 3399.00
1966 17.00 27.50 164.00 336.00 379.00 520.00 562.50 659.00 531.00 380.50 165.50 27.50 3769.50
1967 17.50 41.00 116.50 35.00 396.00 430.00 676.50 669.00 623.00 401.00 211.00 21.00 3637.50
1968 24.00 158.50 156.50 226.50 318.00 533.50 632.00 597.50 544.00 353.00 154.50 7.00 3705.00
1969 23.50 13.00 129.00 189.50 402.00 472.50 622.50 649.00 558.00 292.00 131.50 56.50 3539.00
1970 96.50 64.00 154.00 110.00 420.57 a 489.00 634.50 562.00 534.00 299.00 154.50 37.00 3555.07
1971 29.00 49.00 109.50 163.50 294.50 492.50 615.50 678.00 584.00 265.00 69.50 5.00 3355.00
1972 3.00 93.00 246.50 218.50 428.00 532.00 690.50 644.28 a 535.00 374.00 78.00 27.50 3870.28
1973 33.00 77.50 46.50 266.50 445.00 612.00 615.00 608.00 536.50 360.50 118.50 27.50 3746.50
1974 44.50 22.50 168.00 204.00 358.50 562.00 669.00 659.00 634.00 440.00 132.00 13.50 3907.00
1975 23.00 66.50 101.00 111.00 433.50 511.00 624.00 616.00 604.00 346.00 120.00 41.00 3597.00
1976 44.00 87.00 152.00 196.50 455.50 576.00 662.00 618.00 602.50 453.50 214.50 11.50 4073.00
1977 17.50 125.50 76.00 319.00 271.50 547.50 678.50 695.00 567.50 445.50 198.00 141.50 4083.00
1978 73.50 93.50 273.50 190.50 463.50 564.50 664.29 c 680.50 591.72 a 492.50 99.00 3.00 g 4187.01
1979 14.50 39.00 167.00 259.00 477.50 601.61 b 702.50 644.00 702.50 464.50 128.00 48.05 a 4248.16
1980 95.00 143.50 112.00 264.50 308.00 453.00 663.00 612.50 540.00 b 462.50 121.00 57.00 3832.00
1981 57.50 0.00 z 0.00 z 290.69 a 450.00 737.00 685.21 b 696.00 602.59 a 349.50 234.00 37.50 4139.98
1982 4.50 112.00 125.50 233.00 419.00 480.50 632.00 663.00 542.50 371.50 73.50 19.50 3676.50
1983 23.50 105.00 157.50 185.00 423.00 556.50 653.50 727.00 667.00 462.00 142.50 98.00 4200.50
1984 19.50 53.00 209.50 195.50 525.00 494.50 714.50 654.00 708.00 328.50 80.00 14.00 3996.00
1985 3.00 77.00 64.00 320.50 360.00 578.50 675.00 586.00 486.50 303.11 d 56.50 4.00 j 3510.11
1986 87.00 0.00 z 254.00 251.00 390.50 528.00 0.00 z 594.50 403.97 a 391.78 b 173.00 23.50 3097.24
1987 19.50 0.00 z 123.50 355.00 458.50 0.00 z 534.00 582.50 572.50 520.50 0.00 z 49.50 3215.50
1988 48.50 120.00 0.00 z 282.00 343.77 c 502.00 706.50 649.00 576.50 456.50 162.00 65.50 3912.27
1989 18.00 79.00 251.00 401.00 421.50 0.00 z 671.50 614.00 553.50 406.00 187.00 33.50 3636.00
1990 52.50 53.50 0.00 z 384.50 423.50 579.00 718.00 685.00 586.50 506.50 146.00 14.50 4149.50
1991 38.50 197.00 90.50 212.00 339.00 444.00 615.00 640.50 600.50 526.50 211.50 25.00 3940.00
1992 16.50 160.00 228.00 403.50 529.00 516.50 697.00 731.00 591.00 526.00 185.50 19.00 4603.00
1993 28.50 49.00 278.00 287.50 461.00 572.50 616.50 699.50 580.50 484.00 151.00 38.50 4246.50
1994 50.00 56.50 242.00 313.50 421.00 556.50 588.50 672.00 553.00 409.00 69.00 21.50 3952.50
1995 116.50 175.50 163.50 256.50 347.50 512.50 712.50 684.00 592.00 486.50 328.50 132.50 4508.00
1996 84.00 200.50 241.00 398.50 538.00 615.00 833.50 723.00 567.50 414.00 182.50 84.50 4882.00
1997 86.50 116.50 275.00 370.00 616.00 566.00 713.50 737.50 704.00 432.50 268.50 40.50 4926.50
1998 91.50 64.00 219.00 240.50 297.00 489.50 0.00 z 748.00 636.00 358.00 168.00 25.00 3336.50
1999 0.00 z 61.19 a 115.50 235.86 a 350.00 488.00 634.00 643.00 564.00 512.00 214.66 a 53.00 3871.20
2000 77.00 136.50 192.50 343.00 0.00 z 0.00 z 577.50 662.50 570.00 376.50 82.00 47.57 b 3065.07
2001 14.00 66.00 251.10 a 201.50 608.50 642.50 641.50 666.00 0.00 z 476.37 a 247.24 a 45.00 3859.71
2002 45.50 122.00 182.50 304.50 406.50 541.00 648.50 626.00 638.50 405.50 251.50 98.00 4270.00
2003 155.50 88.00 223.50 184.50 435.00 561.00 705.25 e 682.50 642.50 537.00 137.00 77.50 4429.25
2004 38.50 65.50 377.50 361.50 497.00 587.50 676.00 675.00 607.50 366.63 e 126.00 70.35 e 4448.98
2005 54.00 145.00 253.50 253.50 469.50 514.00 707.00 704.00 512.50 432.00 246.50 90.50 g 4291.50
2006 59.79 c 146.50 94.07 b 175.50 f 496.00 a 627.86 b 489.50 k 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1424.21
Period of Record Statistics
MEAN 42.92 90.04 166.41 254.18 405.80 533.88 653.07 653.38 573.72 414.77 154.03 43.42 3946.71
S.D. 33.82 50.22 75.95 82.53 83.67 64.77 55.60 46.11 63.30 68.97 59.74 32.96 418.72
SKEW 1.14 0.57 0.41 -0.14 0.38 0.33 0.21 -0.02 -0.10 -0.11 0.60 1.21 0.56
MAX 155.50 200.50 377.50 403.50 616.00 737.00 833.50 748.00 708.00 537.00 328.50 141.50 4926.50
MIN 3.00 13.00 46.50 35.00 266.50 375.50 534.00 562.00 403.97 265.00 56.50 1.50 3277.00
NO YRS 48 46 46 48 48 46 47 49 48 49 48 46 35