TRACY CARBONA, CALIFORNIA

Monthly Total Growing Degree Days

(048999)

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
1949 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 703.00 519.00 151.50 1373.50
1950 140.00 300.74 a 419.00 696.00 834.00 906.00 1147.50 1118.58 a 966.00 755.00 557.00 372.00 e 8211.82
1951 178.50 278.96 a 436.00 596.50 808.50 896.00 1038.50 b 1025.07 a 922.76 a 752.78 a 417.50 164.50 7515.57
1952 145.50 251.00 327.00 563.50 857.50 599.50 g 1119.50 1030.50 959.00 767.50 315.50 221.50 6558.00
1953 307.50 272.22 a 394.00 566.50 652.50 843.50 1155.50 985.00 980.50 697.50 426.50 244.79 b 7526.02
1954 221.50 253.00 350.50 697.50 824.50 918.00 1149.00 957.50 858.00 684.00 334.50 122.50 7370.50
1955 55.00 185.00 410.50 438.00 779.50 890.50 1019.00 1048.00 932.00 751.50 365.00 291.00 7165.00
1956 231.00 165.00 428.50 545.50 772.50 942.50 1057.50 964.50 909.00 682.00 379.00 163.94 e 7240.94
1957 101.00 314.00 483.00 617.00 735.50 1063.50 1115.50 1005.50 946.50 673.50 371.00 133.50 7559.50
1958 153.00 353.50 257.50 f 555.50 823.50 903.50 1056.50 1181.50 978.50 826.50 469.50 317.50 7619.00
1959 278.50 233.50 564.50 729.00 783.00 994.50 1178.50 1057.10 a 875.00 786.00 405.50 189.50 8074.60
1960 196.50 310.00 538.50 614.50 752.00 1083.50 1187.50 1078.50 941.50 704.00 378.50 159.00 7944.00
1961 129.00 365.00 452.00 645.00 691.50 1062.50 1222.50 1136.00 887.50 743.50 343.50 148.50 7826.50
1962 70.00 215.50 352.00 672.50 706.00 937.50 1067.50 1042.00 885.00 682.00 450.00 184.00 7264.00
1963 71.50 458.50 400.50 440.50 742.50 931.50 1015.50 1035.00 969.50 725.50 336.00 51.00 7177.50
1964 185.50 298.00 425.50 589.50 683.50 876.50 1095.50 1097.50 849.50 833.50 316.50 313.88 c 7564.88
1965 165.00 283.63 a 456.00 559.50 797.50 679.50 f 1081.00 1090.50 800.50 804.85 d 432.50 67.00 6537.98
1966 174.50 243.00 477.50 734.50 856.50 991.00 1020.50 1135.00 930.50 698.50 473.50 205.00 7940.00
1967 193.00 267.50 459.32 a 363.00 800.50 884.00 1197.50 1187.50 1026.00 801.50 505.00 123.00 7807.82
1968 116.50 396.50 527.00 707.00 766.50 1024.00 1121.00 982.04 c 936.00 703.00 401.54 d 134.85 a 7815.92
1969 155.00 194.00 415.00 592.24 a 837.50 902.50 1158.07 c 1191.00 1016.00 659.00 449.44 c 276.93 a 7846.69
1970 299.00 354.50 502.50 488.00 0.00 z 961.50 1157.50 1032.50 945.50 660.62 b 443.50 194.50 7039.62
1971 180.50 219.50 397.00 505.50 664.50 899.00 1135.50 1154.00 996.00 673.50 404.50 124.50 7354.00
1972 64.50 345.00 623.50 613.00 846.00 989.00 1136.00 1111.00 912.00 498.00 k 0.00 z 118.50 6758.50
1973 161.00 323.00 362.00 0.00 z 898.00 1070.00 1107.00 1068.00 905.50 711.50 399.50 231.50 7237.00
1974 210.50 259.00 470.00 550.50 779.00 998.00 1113.00 1103.50 1003.00 838.50 401.00 188.00 7914.00
1975 125.50 273.00 370.00 382.50 767.80 c 196.00 x 737.50 i 965.50 697.00 g 650.50 332.00 178.00 4044.80
1976 180.50 299.50 415.50 499.00 814.50 931.50 1062.00 941.76 b 931.50 775.50 454.50 168.00 7473.76
1977 91.00 330.00 391.50 657.50 584.50 962.50 1072.00 1062.50 881.00 754.50 476.50 323.00 7586.50
1978 291.00 305.50 565.00 516.00 852.00 941.50 1076.00 1087.00 889.50 822.53 a 322.00 87.50 7755.53
1979 162.00 232.50 439.00 532.50 843.00 961.50 1069.50 1006.00 1017.41 a 772.00 370.50 218.00 7623.91
1980 247.50 363.50 388.00 567.50 685.50 787.50 1040.50 986.50 842.50 772.00 433.00 200.00 7314.00
1981 242.00 350.50 403.00 578.28 a 803.50 1150.50 1098.50 1044.50 949.50 639.50 471.00 289.00 8019.78
1982 81.50 320.50 357.50 488.50 771.00 814.00 995.50 1011.50 875.50 710.50 275.50 198.50 6900.00
1983 125.50 310.00 415.50 478.00 752.00 919.50 941.00 957.00 961.50 814.50 401.00 179.50 m 7075.50
1984 120.50 j 178.50 i 552.00 536.50 900.50 937.00 1172.00 1048.50 1046.00 582.00 304.14 a 0.00 z 7078.64
1985 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1020.50 1130.43 b 919.67 a 779.00 723.00 327.41 a 125.50 5025.51
1986 328.08 a 374.00 553.50 581.50 827.50 978.00 1095.50 1072.50 818.79 a 775.50 366.50 j 198.50 7603.38
1987 168.50 318.00 448.00 735.00 910.50 0.00 z 0.00 z 1066.50 0.00 z 0.00 z 0.00 z 0.00 z 3646.50
1988 0.00 z 391.50 564.00 612.00 770.50 971.50 1207.50 1071.00 937.00 761.50 405.50 173.50 7865.50
1989 120.50 230.50 454.50 684.00 846.00 948.50 1100.00 1015.50 885.00 707.00 448.00 130.00 7569.50
1990 200.00 189.00 457.00 695.00 792.05 a 984.50 1149.00 1072.00 935.00 795.50 238.50 m 51.50 q 7269.05
1991 204.00 425.00 156.00 o 562.50 724.00 867.50 1158.00 1000.50 1029.00 893.50 228.00 q 47.00 w 6864.00
1992 46.50 o 404.00 538.37 a 697.50 987.50 943.50 1065.00 1125.00 944.50 808.50 172.00 q 51.50 x 7513.87
1993 94.50 l 241.00 521.83 a 559.00 800.50 948.00 1070.00 1072.50 925.50 798.00 277.50 k 208.06 e 7144.39
1994 93.00 o 163.50 g 519.00 611.00 752.00 972.86 b 1077.50 1080.50 927.50 730.00 163.00 k 67.50 q 6670.36
1995 334.80 a 227.00 i 429.00 551.50 716.50 890.50 1046.00 1121.00 949.00 470.50 m 312.50 n 318.00 6356.30
1996 143.50 l 383.13 c 270.50 m 612.00 825.50 969.50 1217.50 1161.50 905.50 697.50 250.00 n 146.00 s 6772.13
1997 239.50 336.00 504.00 673.50 917.17 b 815.50 1060.20 a 1023.50 949.00 647.00 463.97 a 134.00 7763.34
1998 139.50 k 227.77 b 256.50 l 303.50 j 555.50 803.00 1035.50 1026.00 902.50 569.50 199.00 m 107.50 i 5119.77
1999 108.50 f 140.00 i 237.50 h 523.85 d 742.34 c 872.59 a 988.50 960.00 905.89 b 765.00 266.50 l 109.50 n 5758.16
2000 205.50 h 267.50 f 216.00 o 627.22 c 819.95 a 997.00 975.50 1013.50 892.00 651.52 a 174.50 j 119.00 k 5976.69
2001 90.50 i 170.00 g 369.00 j 473.04 b 1018.50 1000.86 a 1044.50 1014.50 885.00 b 758.50 302.00 h 135.50 k 6194.90
2002 83.00 l 102.50 p 279.00 k 396.50 i 705.50 985.00 1073.50 992.50 941.50 672.00 261.00 l 95.50 s 5370.00
2003 184.50 l 111.50 n 412.00 g 441.00 774.00 952.50 1158.00 1006.00 963.00 e 825.50 203.50 m 130.50 j 6120.00
2004 111.50 l 186.00 l 474.00 g 560.00 f 822.00 953.50 1062.50 1040.05 a 931.00 558.00 g 204.00 k 111.50 r 4809.05
2005 93.50 n 186.50 m 337.00 i 398.00 g 756.52 e 844.50 0.00 z 1098.50 827.00 735.50 308.00 j 228.00 h 4262.02
2006 125.50 l 187.50 j 262.00 h 403.50 i 878.33 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 878.33
Period of Record Statistics
MEAN 178.67 298.77 453.58 579.12 789.26 944.10 1096.12 1051.44 925.15 734.47 404.62 191.27 7611.63
S.D. 73.30 68.77 70.34 90.43 85.13 73.51 64.04 64.54 57.20 67.06 64.84 74.26 315.35
SKEW 0.36 0.13 0.37 -0.22 -0.08 0.19 -0.05 0.25 -0.23 -0.13 0.10 0.52 -0.19
MAX 334.80 458.50 623.50 735.00 1018.50 1150.50 1222.50 1191.00 1046.00 893.50 557.00 372.00 8211.82
MIN 55.00 165.00 327.00 363.00 555.50 787.50 941.00 919.67 779.00 569.50 275.50 51.00 6900.00
NO YRS 41 45 44 50 55 52 53 56 54 53 39 41 28