VACAVILLE, CALIFORNIA

Monthly Total Growing Degree Days

(049200)

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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1035.50 982.00 893.00 699.71 c 353.28 a 97.00 4060.49
1949 29.00 145.50 376.13 a 655.50 765.18 a 998.50 1083.00 982.91 b 922.50 663.50 503.00 146.14 c 7270.87
1950 174.08 e 312.50 401.50 642.00 801.50 891.50 1156.50 1125.00 957.50 746.00 513.50 312.00 8033.58
1951 170.00 287.00 439.00 523.00 794.52 d 940.50 1058.50 1049.00 970.00 704.50 243.50 j 159.00 7095.02
1952 118.50 270.50 345.00 574.50 819.00 778.50 1160.50 1078.50 1011.00 775.50 344.40 e 166.50 7442.40
1953 312.50 298.00 409.50 529.50 641.70 a 841.00 1167.00 1008.50 1016.00 718.50 390.50 282.00 7614.70
1954 203.00 243.50 305.50 657.50 838.50 911.50 1165.50 951.50 884.00 688.50 326.50 106.00 7281.50
1955 68.00 222.50 413.50 409.00 795.50 894.00 1037.47 a 1076.50 950.50 736.50 364.00 266.00 7233.47
1956 208.00 195.50 409.50 531.00 748.50 963.00 1095.50 1018.50 922.00 651.50 421.00 142.00 7306.00
1957 101.50 305.50 453.50 623.00 744.50 1085.50 1143.00 1046.50 954.50 635.50 347.00 161.00 7601.00
1958 183.02 e 362.92 b 228.00 h 584.50 844.50 945.00 1116.00 1246.00 1062.00 881.50 478.50 349.50 8053.44
1959 304.50 283.00 564.50 704.48 a 794.50 1048.50 1228.50 1102.50 920.50 879.00 472.00 233.00 8534.98
1960 193.50 316.00 515.00 576.50 757.00 1108.50 1222.50 1115.50 945.00 730.50 358.00 167.50 8005.50
1961 123.00 345.50 426.00 590.00 669.94 d 1089.00 1236.00 1184.00 924.00 469.00 j 377.50 156.00 7120.94
1962 133.50 213.50 350.00 674.50 729.00 961.00 1105.00 1077.50 911.00 687.00 442.50 183.00 7467.50
1963 88.00 435.50 353.00 383.50 688.00 882.50 1011.00 1039.50 972.00 690.50 307.00 43.50 6894.00
1964 128.50 342.00 447.00 578.50 706.00 895.50 1105.00 1089.50 884.50 817.50 345.00 340.50 7679.50
1965 186.50 316.50 442.50 567.50 824.50 848.00 1098.50 1119.50 812.00 838.50 446.50 74.00 7574.50
1966 200.00 233.00 470.00 699.31 a 811.00 978.50 1026.50 1121.50 948.00 750.00 397.50 200.00 7835.31
1967 200.00 256.00 332.00 253.50 729.00 841.00 1116.50 1180.00 988.00 768.50 460.00 167.00 7291.50
1968 146.50 415.00 457.00 584.00 710.00 980.50 1107.50 1005.50 932.00 643.50 372.00 119.00 7472.50
1969 121.50 204.00 393.00 516.00 833.50 862.50 1095.00 1114.50 979.50 643.50 396.50 275.50 7435.00
1970 315.00 341.00 484.50 456.00 843.00 960.00 1127.50 1021.00 934.50 662.50 436.50 185.00 7766.50
1971 187.00 230.00 372.50 465.00 638.50 882.50 1093.00 1089.00 928.00 594.00 319.50 78.00 6877.00
1972 59.00 300.50 536.00 524.50 775.00 938.00 1055.50 1087.50 826.50 672.50 277.00 138.50 7190.50
1973 160.00 312.00 354.50 616.00 828.22 a 994.50 1060.00 1008.00 866.38 a 655.00 358.50 227.50 7440.60
1974 207.00 235.00 391.00 488.00 744.00 954.50 1069.00 1042.50 949.50 789.47 a 359.00 180.50 7409.47
1975 126.50 261.00 387.00 383.28 a 811.00 896.50 996.65 a 999.23 a 970.50 655.00 349.44 c 193.00 7029.10
1976 219.00 299.00 402.50 474.00 863.00 949.00 1087.50 971.00 927.78 c 758.50 453.50 203.00 7607.78
1977 111.00 338.50 380.02 b 660.50 601.50 985.50 1078.00 1075.50 872.50 750.00 450.50 311.00 7614.52
1978 294.00 323.00 532.50 0.00 z 849.00 905.00 1070.00 1080.00 907.50 774.50 0.00 z 109.50 6845.00
1979 175.00 233.00 425.00 505.00 829.00 962.50 1078.50 1029.41 b 1007.50 724.88 a 345.00 a 235.50 7550.30
1980 221.00 369.00 424.00 547.00 700.08 a 782.59 a 0.00 z 987.00 0.00 z 771.50 422.50 223.50 5448.17
1981 244.50 314.50 406.62 a 599.00 807.00 1092.86 b 1057.50 1019.50 910.50 639.00 463.97 a 263.50 7818.44
1982 80.50 290.50 335.50 485.50 790.00 795.00 1012.50 1048.00 894.50 703.00 266.38 a 200.00 6901.38
1983 156.00 335.00 429.00 451.00 732.00 912.00 997.00 1098.00 1012.00 801.50 374.00 291.00 7588.50
1984 208.50 266.50 528.00 517.00 882.00 931.00 1173.50 1093.50 1030.00 651.50 357.00 156.50 7795.00
1985 69.00 306.50 0.00 z 0.00 z 0.00 z 997.50 1134.00 978.50 812.50 732.50 303.50 0.00 z 5334.00
1986 299.00 395.50 561.00 0.00 z 782.00 999.81 d 0.00 z 1030.50 757.50 778.00 501.00 186.00 6290.31
1987 188.50 329.00 419.50 691.00 859.50 956.50 955.50 1041.50 936.00 827.50 395.50 212.50 7812.50
1988 211.50 344.50 517.00 0.00 z 0.00 z 0.00 z 898.50 i 1121.00 967.50 846.62 b 0.00 z 210.00 4218.12
1989 166.00 237.00 460.00 687.50 805.50 961.50 1135.50 1058.50 909.50 718.50 444.50 0.00 z 7584.00
1990 207.00 211.00 0.00 z 715.50 767.50 973.00 1218.00 1156.50 1018.00 851.50 429.50 133.00 7680.50
1991 249.50 437.00 310.50 561.00 709.00 910.50 1188.00 1036.00 1070.50 919.50 482.00 211.50 8085.00
1992 130.50 422.50 523.50 705.50 992.50 982.50 1124.50 1200.00 997.00 839.00 435.00 132.50 8485.00
1993 151.00 219.00 535.50 594.00 808.00 991.50 1134.50 1110.00 1006.00 829.50 390.00 176.00 7945.00
1994 220.00 244.00 517.50 612.50 774.50 960.00 1100.50 1086.50 945.00 0.00 z 272.00 119.00 6851.50
1995 335.00 353.50 409.00 580.50 758.50 940.50 1141.50 1149.00 1002.00 821.00 597.00 342.50 8430.00
1996 262.00 392.50 533.50 670.00 858.00 1029.50 1272.00 1221.00 976.50 779.00 461.50 332.00 8787.50
1997 273.00 385.50 592.00 689.50 998.50 1016.50 1159.00 1104.00 1082.00 797.50 509.50 232.50 8839.50
1998 299.50 278.50 505.00 559.50 612.50 876.00 1176.50 0.00 z 1037.50 723.00 413.00 172.50 6653.50
1999 200.50 274.50 384.00 579.31 a 802.26 b 968.50 1080.00 1091.50 1024.50 873.17 a 478.00 294.00 8050.24
2000 305.87 a 337.00 510.98 a 677.50 871.00 1057.00 1043.00 1138.70 c 1002.93 a 707.46 c 295.00 c 244.38 a 8190.83
2001 203.57 a 261.00 579.38 b 533.65 d 1088.88 c 1066.61 b 1097.06 d 1156.82 a 989.46 b 866.45 a 490.34 a 265.64 b 8598.85
2002 182.50 337.50 430.00 606.00 786.00 1024.00 1177.00 1113.50 1054.50 786.50 471.50 323.00 8292.00
2003 350.00 328.00 563.00 469.50 843.00 1039.00 1299.00 1154.00 1089.00 740.50 f 383.50 305.00 7823.00
2004 229.00 330.50 701.00 688.50 847.13 e 1032.50 1154.15 e 1163.00 1045.00 727.50 396.00 243.50 8557.79
2005 188.00 390.00 531.50 573.50 821.00 889.00 1273.50 1208.50 909.00 e 805.50 523.00 350.54 e 8463.04
2006 300.50 348.50 305.50 581.00 896.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2432.00
Period of Record Statistics
MEAN 192.73 303.71 446.93 570.45 793.23 952.82 1116.18 1082.15 954.90 748.77 405.82 207.65 7752.27
S.D. 74.98 64.59 84.09 96.07 88.15 77.02 73.32 68.06 69.47 76.85 72.04 77.38 518.73
SKEW 0.10 0.01 0.48 -0.75 0.52 -0.15 0.36 0.26 -0.37 0.16 0.12 0.14 0.37
MAX 350.00 437.00 701.00 715.50 1088.88 1108.50 1299.00 1246.00 1089.00 919.50 597.00 350.54 8839.50
MIN 29.00 145.50 305.50 253.50 601.50 778.50 955.50 951.50 757.50 594.00 266.38 43.50 6877.00
NO YRS 58 58 55 54 56 56 55 57 57 55 55 56 44