ANTIOCH PUMP PLANT 3, CALIFORNIA

Monthly Total Growing Degree Days

(040232)

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
1955 0.00 z 0.00 z 131.50 147.00 510.50 579.50 657.50 695.50 644.00 405.50 131.50 50.00 3952.50
1956 16.00 14.00 126.00 244.50 436.50 636.00 711.50 622.00 578.50 352.00 104.00 15.00 3856.00
1957 3.00 87.50 146.50 294.00 392.00 728.00 735.50 631.50 617.50 346.00 84.00 9.00 4074.50
1958 3.00 101.00 41.00 257.50 453.50 587.00 662.50 758.50 667.00 472.00 157.50 25.00 4185.50
1959 37.50 22.00 204.50 356.00 421.00 635.00 774.00 665.50 542.00 472.00 92.00 4.00 4225.50
1960 20.50 46.50 192.50 268.00 430.00 736.50 786.50 695.50 595.50 371.50 130.50 18.00 4291.50
1961 5.50 71.50 112.50 277.00 345.00 732.00 852.50 738.00 573.50 437.50 90.00 20.00 4255.00
1962 0.00 28.50 62.50 340.50 380.50 600.50 685.50 697.00 553.50 352.50 175.00 28.50 3904.50
1963 5.50 172.00 93.00 121.50 389.50 578.50 665.50 686.65 a 648.00 389.50 83.50 0.00 3833.15
1964 4.00 43.50 132.50 230.00 310.50 537.00 722.00 702.50 530.00 492.50 82.50 93.50 3880.50
1965 7.50 38.50 110.50 252.00 438.50 464.00 664.00 756.00 455.50 462.50 160.50 0.00 3809.50
1966 6.50 8.50 140.00 385.00 458.50 652.00 632.00 735.50 609.00 382.00 160.00 15.50 4184.50
1967 17.50 10.50 81.50 29.50 417.50 502.50 759.00 788.00 669.00 438.00 213.50 12.50 3939.00
1968 0.00 117.50 160.00 334.50 422.00 679.50 730.00 628.50 600.50 331.00 95.00 7.50 4106.00
1969 23.00 10.00 134.50 231.00 490.50 528.50 714.00 750.00 637.00 322.50 122.00 27.00 3990.00
1970 74.00 62.50 215.00 196.00 523.50 624.50 734.00 608.50 579.00 287.50 124.50 11.00 4040.00
1971 7.00 10.50 93.50 156.50 316.50 518.50 715.00 740.00 587.50 263.50 47.50 0.00 3456.00
1972 0.00 45.50 213.50 216.50 402.50 543.50 661.50 685.00 442.50 266.50 30.56 c 6.50 s 3507.56
1973 0.00 z 16.00 66.00 322.50 497.00 667.50 747.50 655.50 565.50 375.50 118.50 12.00 4043.50
1974 30.50 4.00 111.50 205.50 427.00 622.00 734.00 729.00 620.50 493.00 95.00 1.50 4073.50
1975 2.50 33.92 b 63.03 a 109.66 a 439.50 542.00 644.00 672.50 635.00 352.00 96.67 c 0.00 g 3590.78
1976 7.50 63.50 151.50 210.52 a 550.00 656.50 772.00 635.50 623.50 459.00 184.50 1.00 4315.02
1977 1.00 88.00 100.50 367.00 297.17 b 687.50 743.50 735.73 a 563.00 445.00 176.50 50.00 4254.91
1978 36.17 d 37.69 b 227.16 b 221.00 541.50 576.21 a 705.25 a 764.27 e 597.50 500.50 90.52 a 6.50 4304.26
1979 8.27 a 22.00 139.00 231.96 b 519.25 a 642.00 750.00 688.50 707.00 466.00 81.00 21.24 d 4276.22
1980 42.76 b 60.32 d 124.52 a 258.50 390.08 a 519.00 723.00 631.00 559.50 444.00 152.50 10.85 a 3916.03
1981 25.00 86.50 95.14 b 304.50 539.40 a 836.00 743.00 709.00 620.50 332.00 196.03 a 36.54 c 4523.61
1982 0.00 75.00 79.00 208.50 498.00 480.00 653.50 699.00 597.50 403.00 38.79 a 5.00 3737.29
1983 2.50 51.00 135.50 162.50 431.00 616.07 b 673.00 761.00 689.00 460.50 134.00 48.00 4164.07
1984 11.50 32.00 254.00 267.22 c 631.50 650.50 882.50 780.00 783.00 358.50 82.00 6.20 a 4738.92
1985 0.00 103.00 65.00 374.00 168.50 q 108.00 z 131.50 y 689.00 566.00 424.50 105.50 21.50 2348.50
1986 74.00 138.50 247.50 281.00 500.00 635.50 738.00 702.00 513.00 471.50 243.50 16.00 4560.50
1987 13.00 82.50 155.00 424.50 591.00 667.50 658.50 729.00 643.00 561.00 143.50 44.00 4712.50
1988 7.00 126.50 237.00 323.00 455.00 658.50 922.50 761.00 668.00 313.50 j 167.00 22.50 4348.00
1989 0.50 52.50 192.00 387.50 518.50 683.50 825.50 707.50 574.00 436.00 181.00 15.50 4574.00
1990 26.00 31.00 182.50 412.00 509.50 653.50 843.50 812.00 678.50 563.00 164.00 3.50 4879.00
1991 20.00 137.00 69.00 233.50 411.50 0.00 z 771.00 697.50 700.50 595.00 186.00 6.00 3827.00
1992 0.00 116.50 208.50 389.00 659.00 640.00 778.00 851.00 677.00 555.00 190.00 9.00 5073.00
1993 24.00 36.50 253.00 301.50 487.50 759.00 861.00 293.50 t 669.00 513.00 149.00 22.50 4076.00
1994 9.00 20.50 221.00 339.00 464.50 665.00 760.50 779.50 648.00 428.50 54.00 0.50 l 4389.50
1995 25.50 v 91.50 127.50 254.50 380.50 589.50 765.00 786.00 649.00 512.00 293.50 89.50 4538.50
1996 23.00 124.50 188.50 341.50 516.00 687.00 865.00 832.50 608.00 456.50 168.00 68.50 4879.00
1997 53.00 80.50 252.00 380.50 679.50 683.00 791.50 758.50 730.00 443.00 214.50 5.00 5071.00
1998 32.00 34.50 188.00 208.00 281.00 322.00 k 788.50 839.00 666.00 403.00 107.00 11.00 3558.00
1999 40.00 43.50 74.00 285.00 437.00 602.50 702.50 727.50 664.50 528.50 0.00 z 19.50 4124.50
2000 50.50 79.50 0.00 z 360.50 521.00 695.50 0.00 z 759.00 658.00 377.50 73.00 0.00 z 3574.50
2001 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 467.00 g 416.00 f 0.00 z 12.50 12.50
2002 9.96 c 0.00 z 105.50 r 175.50 r 466.00 697.00 783.00 703.00 682.00 432.45 a 153.10 a 21.50 3948.02
2003 51.00 36.50 217.50 157.50 0.00 z 0.00 z 861.00 725.50 695.00 557.00 87.50 27.26 b 3415.76
2004 3.00 50.75 e 0.00 z 0.00 z 514.50 684.00 755.00 771.00 669.50 395.50 75.50 11.50 3930.25
2005 0.00 67.00 206.00 259.00 485.50 564.50 866.50 430.50 o 548.50 431.00 206.50 61.50 3696.00
2006 19.00 84.00 52.50 234.31 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 389.81
Period of Record Statistics
MEAN 17.77 61.16 147.38 268.41 462.03 628.78 749.38 722.41 619.97 428.93 132.49 21.78 4244.97
S.D. 19.26 40.20 62.22 85.82 85.67 77.04 70.66 57.46 65.85 78.16 55.63 21.99 394.18
SKEW 1.31 0.68 0.13 -0.32 0.23 0.00 0.45 0.09 -0.37 -0.04 0.46 1.71 0.48
MAX 74.00 172.00 254.00 424.50 679.50 836.00 922.50 851.00 783.00 595.00 293.50 93.50 5073.00
MIN 0.00 4.00 41.00 29.50 281.00 464.00 632.00 608.50 442.50 263.50 30.56 0.00 3456.00
NO YRS 48 49 48 49 48 46 48 48 50 49 49 47 33