ANTIOCH PUMP PLANT 3, CALIFORNIA

Monthly Total Growing Degree Days

(040232)

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
1955 0.00 z 0.00 z 422.00 437.50 820.50 879.50 967.50 1005.50 944.00 715.50 375.00 296.00 6863.00
1956 247.50 199.50 417.50 534.00 746.50 936.00 1021.50 932.00 878.50 660.00 383.00 170.00 7126.00
1957 109.00 316.50 448.50 593.50 702.00 1028.00 1045.50 941.50 917.50 656.00 359.50 163.00 7280.50
1958 154.00 369.00 320.50 552.50 763.50 887.00 972.50 1068.50 967.00 782.00 430.00 278.50 7545.00
1959 239.00 225.00 514.50 656.00 731.00 935.00 1084.00 975.50 842.00 782.00 379.50 225.50 7589.00
1960 193.50 316.00 499.00 565.50 740.00 1036.50 1096.50 1005.50 895.50 681.50 405.50 155.00 7590.00
1961 102.00 343.00 416.50 567.00 655.00 1032.00 1162.50 1048.00 873.50 747.50 353.50 166.50 7467.00
1962 87.50 208.50 346.00 640.50 690.50 900.50 995.50 1007.00 853.50 662.50 467.50 192.00 7051.50
1963 52.00 452.00 379.00 410.00 695.50 878.50 975.50 996.65 a 948.00 699.50 336.00 44.50 6867.15
1964 140.00 291.50 414.50 527.50 616.50 837.00 1032.00 1012.50 830.00 802.50 310.50 304.50 7119.00
1965 143.50 261.50 413.50 541.00 748.50 764.00 974.00 1066.00 755.50 772.50 432.50 73.00 6945.50
1966 143.00 206.00 418.00 685.00 768.50 952.00 942.00 1045.50 909.00 692.00 436.50 202.00 7399.50
1967 173.00 203.50 361.50 283.50 727.50 802.50 1069.00 1098.00 969.00 748.00 490.50 138.50 7064.50
1968 105.00 375.00 467.50 634.50 732.00 979.50 1040.00 938.50 900.50 641.00 367.00 133.00 7313.50
1969 135.50 190.50 410.50 522.50 800.50 828.50 1024.00 1060.00 937.00 632.50 397.50 266.50 7205.50
1970 291.50 328.50 517.50 493.00 833.50 924.50 1044.00 918.50 879.00 597.50 416.50 137.00 7381.00
1971 136.50 203.50 363.00 455.00 626.50 818.50 1025.00 1050.00 887.50 555.50 321.50 82.00 6524.50
1972 40.00 270.00 518.50 514.50 712.50 843.50 971.50 995.00 742.50 572.50 267.78 c 79.50 s 6448.28
1973 0.00 z 259.50 347.50 622.50 807.00 967.50 1057.50 965.50 865.50 685.50 400.00 229.50 7207.50
1974 197.50 210.00 397.00 503.00 737.00 922.00 1044.00 1039.00 920.50 803.00 372.50 145.00 7290.50
1975 99.50 265.46 b 339.97 a 372.93 a 749.00 842.00 954.00 982.50 935.00 662.00 359.44 c 128.00 g 6561.80
1976 185.50 306.50 426.50 504.31 a 860.00 956.50 1082.00 945.50 923.50 769.00 457.50 167.00 7583.81
1977 90.00 337.00 384.00 667.00 607.17 b 987.50 1053.50 1045.73 a 863.00 755.00 466.00 303.00 7558.91
1978 286.46 d 282.69 b 537.16 b 519.50 851.50 876.21 a 1015.25 a 1074.27 e 897.50 810.50 333.62 a 94.00 7578.66
1979 156.03 a 240.50 442.00 531.43 b 829.25 a 942.00 1060.00 998.50 1007.00 776.00 353.50 202.65 d 7538.86
1980 236.24 b 326.54 d 427.80 a 558.50 700.08 a 819.00 1033.00 941.00 859.50 754.00 442.50 182.38 a 7280.55
1981 213.50 337.50 394.98 b 604.50 849.40 a 1136.00 1053.00 1019.00 920.50 642.00 481.55 a 286.75 c 7938.68
1982 72.00 308.50 360.50 482.50 808.00 780.00 963.50 1009.00 897.50 713.00 256.55 a 203.50 6854.55
1983 125.50 301.50 439.50 462.50 741.00 916.07 b 983.00 1071.00 989.00 770.50 403.00 308.00 7510.57
1984 181.00 285.50 564.00 567.22 c 941.50 950.50 1192.50 1090.00 1083.00 667.50 354.50 137.95 a 8015.17
1985 40.50 309.50 337.00 674.00 308.50 q 148.00 z 191.50 y 999.00 866.00 734.50 345.00 130.00 4435.50
1986 339.50 401.00 555.00 581.00 810.00 935.50 1048.00 1012.00 813.00 781.50 541.50 179.00 7997.00
1987 176.50 337.50 458.00 724.50 901.00 967.50 968.50 1039.00 943.00 871.00 436.00 225.50 8048.00
1988 206.50 389.00 547.00 623.00 765.00 958.50 1232.50 1071.00 968.00 523.50 j 458.00 213.50 7432.00
1989 141.00 225.50 491.50 687.50 828.50 983.50 1135.50 1017.50 874.00 746.00 469.50 150.00 7750.00
1990 228.00 219.50 485.00 712.00 819.50 953.50 1153.50 1122.00 978.50 873.00 447.00 121.50 8113.00
1991 217.00 411.50 359.00 533.50 721.50 0.00 z 1081.00 1007.50 1000.50 905.00 485.00 181.50 6903.00
1992 97.50 395.50 518.50 689.00 969.00 940.00 1088.00 1161.00 977.00 865.00 481.00 169.00 8350.50
1993 209.50 297.00 562.50 601.50 797.50 1059.00 1171.00 403.50 t 969.00 823.00 417.00 191.50 7098.50
1994 197.00 225.00 526.50 639.00 774.50 965.00 1070.50 1089.50 948.00 738.50 283.50 86.50 l 7457.00
1995 110.00 v 356.00 429.00 554.50 690.50 889.50 1075.00 1096.00 949.00 822.00 593.50 368.00 7823.00
1996 274.50 377.00 497.50 641.50 826.00 987.00 1175.00 1142.50 908.00 766.50 464.50 314.00 8374.00
1997 265.00 355.50 557.50 680.50 989.50 983.00 1101.50 1068.50 1030.00 753.00 511.00 179.00 8474.00
1998 256.50 279.00 481.50 503.50 591.00 512.00 k 1098.50 1149.00 966.00 713.00 403.50 168.50 6610.00
1999 187.00 278.50 377.00 578.50 747.00 902.50 1012.50 1037.50 964.50 838.50 0.00 z 267.50 7191.00
2000 327.00 359.00 0.00 z 660.50 831.00 995.50 0.00 z 1069.00 958.00 687.50 298.50 0.00 z 6186.00
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 697.00 g 666.00 f 0.00 z 244.50 244.50
2002 207.04 c 0.00 z 235.50 r 295.50 r 776.00 997.00 1093.00 1013.00 982.00 742.45 a 451.03 a 270.50 6532.02
2003 327.00 280.50 527.50 456.00 0.00 z 0.00 z 1171.00 1035.50 995.00 867.00 362.00 260.29 b 6281.79
2004 187.50 335.31 e 0.00 z 0.00 z 824.50 984.00 1065.00 1081.00 969.50 705.50 342.50 189.50 6684.31
2005 131.50 337.00 516.00 559.00 795.50 864.50 1176.50 590.50 o 848.50 741.00 496.00 304.00 6769.50
2006 289.50 320.50 332.00 534.31 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 1476.31
Period of Record Statistics
MEAN 180.03 300.20 443.06 564.13 771.85 928.78 1059.38 1032.41 919.97 738.42 406.05 200.31 7506.85
S.D. 76.60 64.56 72.22 91.80 85.90 77.04 70.66 57.46 65.85 79.22 71.80 72.00 466.14
SKEW 0.18 0.07 0.09 -0.53 0.22 0.00 0.45 0.10 -0.37 -0.10 0.10 0.17 0.27
MAX 339.50 452.00 564.00 724.50 989.50 1136.00 1232.50 1161.00 1083.00 905.00 593.50 368.00 8474.00
MIN 40.00 190.50 320.50 283.50 591.00 764.00 942.00 918.50 742.50 555.50 256.55 44.50 6524.50
NO YRS 48 49 48 49 48 46 48 48 50 49 49 47 33