SAN LUIS DAM, CALIFORNIA

Monthly Total Growing Degree Days

(047846)

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
1963 33.00 t 445.08 d 370.00 424.00 747.00 904.00 1119.00 1164.00 1054.00 781.00 359.00 41.50 7408.58
1964 127.50 265.00 413.00 569.50 708.50 933.00 1195.00 1180.00 895.00 873.00 323.50 314.50 7797.50
1965 185.00 263.50 446.50 560.50 808.00 802.50 1145.00 1201.50 875.00 865.00 473.00 86.00 7711.50
1966 151.00 230.00 487.00 743.00 845.00 1010.50 1100.50 909.50 h 996.00 806.00 512.50 200.50 7082.00
1967 180.00 220.00 420.00 336.50 801.02 c 877.76 a 1323.50 1343.00 1106.00 866.00 562.00 155.00 8190.78
1968 156.00 436.00 561.50 670.34 a 768.80 a 1012.00 1196.50 1050.50 983.50 758.00 408.50 165.00 8166.64
1969 156.50 202.22 a 425.50 563.28 a 795.00 798.50 1159.50 1239.50 1019.00 663.50 442.00 293.00 7757.50
1970 304.50 330.81 a 497.50 519.50 826.00 933.50 1230.50 1148.00 993.00 723.00 510.00 211.00 8227.31
1971 169.00 218.00 432.50 517.00 673.00 918.00 1178.00 1180.50 980.50 685.00 385.50 120.50 7457.50
1972 68.50 340.00 658.50 622.50 857.00 994.00 1155.00 1103.00 948.50 717.50 331.50 126.00 7922.00
1973 170.00 312.00 369.50 628.50 903.00 1062.50 1132.50 1126.00 932.00 712.00 424.00 228.00 8000.00
1974 203.00 251.00 452.00 553.50 784.50 981.00 1170.50 1136.00 1061.50 826.00 416.50 150.50 7986.00
1975 111.00 282.00 377.50 423.50 832.00 900.50 1086.00 1092.50 1064.00 715.00 380.50 184.50 7449.00
1976 205.00 333.50 462.00 546.00 853.00 984.50 1165.00 1009.00 987.50 818.00 478.50 201.00 8043.00
1977 100.00 352.50 415.50 718.00 639.00 961.00 1170.00 1174.00 965.50 842.00 506.00 353.92 a 8197.42
1978 320.50 316.00 579.50 504.00 868.00 939.50 1162.00 1184.00 938.50 887.50 343.50 102.50 8145.50
1979 161.00 265.50 464.00 594.00 849.00 1100.00 c 1174.38 a 1069.50 1085.00 823.00 423.50 267.50 8276.38
1980 278.00 348.50 428.50 606.00 708.00 835.00 1144.50 1033.00 935.00 858.50 502.00 234.50 7911.50
1981 271.00 331.33 a 430.50 644.00 836.48 a 1172.50 1215.00 1128.50 1043.50 708.00 510.00 297.50 8588.32
1982 110.50 317.50 393.00 541.50 765.00 815.00 1121.50 1117.50 943.00 768.00 318.00 209.50 7420.00
1983 135.50 328.00 463.50 483.00 836.50 912.50 1063.00 1163.50 1039.00 824.00 445.50 352.50 8046.50
1984 181.50 317.50 590.00 557.50 939.50 940.50 1280.00 1201.50 1138.50 713.00 391.00 168.50 8419.00
1985 69.00 318.00 403.50 737.50 804.50 1126.50 1279.00 1111.50 908.00 751.00 365.00 115.50 7989.00
1986 343.50 403.00 580.50 618.50 867.00 997.00 1091.50 1212.00 866.50 790.50 522.00 194.00 8486.00
1987 173.50 349.00 471.00 779.00 911.50 996.00 995.50 1121.00 996.50 902.50 430.50 228.50 8354.50
1988 215.50 409.50 592.00 650.00 789.00 935.50 1312.50 1155.00 1041.50 852.50 493.50 194.00 8640.50
1989 126.00 246.50 557.00 751.00 822.50 965.50 1211.50 1089.50 948.50 748.00 472.50 138.50 8077.00
1990 207.50 228.00 539.00 763.50 826.50 996.00 1230.50 1181.00 1045.00 894.50 460.50 130.50 8502.50
1991 225.50 428.00 397.50 556.00 741.00 894.00 1178.00 1070.50 1112.50 969.00 507.50 191.00 8270.50
1992 121.00 410.00 545.00 745.00 972.00 962.50 1171.50 1283.00 1045.00 883.50 481.00 187.50 8807.00
1993 170.50 a 255.50 555.50 614.00 826.50 1023.50 1075.50 1140.00 999.50 826.00 391.00 175.00 8052.50
1994 176.50 217.00 530.50 639.00 765.50 1012.00 1111.00 1184.00 984.50 739.00 276.50 131.00 7766.50
1995 335.00 329.00 438.00 584.50 718.00 925.00 1144.00 1201.00 1026.00 852.00 599.50 334.00 8486.00
1996 253.00 399.50 525.00 672.00 881.50 985.50 1303.00 1239.50 990.00 765.50 461.50 291.00 8767.00
1997 266.50 343.50 591.00 709.00 1041.00 988.50 1160.00 1184.00 1075.00 769.00 531.50 156.00 8815.00
1998 285.50 290.50 485.50 539.50 634.50 810.00 1161.00 1252.00 1061.50 720.00 444.50 164.00 7848.50
1999 176.50 273.00 399.00 561.00 733.50 948.00 1083.50 1100.50 1039.50 897.45 a 511.50 255.50 7978.95
2000 319.50 398.00 520.00 685.00 887.00 1089.50 1082.50 1193.00 1003.00 761.00 296.50 267.00 8502.00
2001 186.50 269.50 578.00 561.00 1103.50 1118.00 1144.00 1165.00 1036.50 894.00 526.00 241.00 8823.00
2002 156.50 345.50 464.50 636.50 816.50 1016.00 1193.00 1163.50 1092.50 766.00 446.50 289.00 8386.00
2003 293.00 287.00 545.50 511.00 829.50 975.50 1359.00 1169.50 1101.00 937.00 377.50 300.50 8686.00
2004 207.00 339.50 685.00 723.50 885.50 984.00 1162.00 1152.50 1063.50 739.00 371.00 234.00 8546.50
2005 201.00 372.50 543.50 595.50 872.00 936.50 1321.00 1251.50 965.50 813.50 567.50 335.50 8775.50
2006 302.50 340.50 337.50 539.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1519.50
Period of Record Statistics
MEAN 198.98 317.24 486.85 602.20 822.60 964.49 1173.40 1158.68 1008.95 802.42 441.40 209.68 8201.80
S.D. 72.57 64.25 81.92 97.87 92.79 85.09 77.73 66.76 65.59 73.94 77.50 76.50 387.72
SKEW 0.34 0.12 0.33 -0.22 0.52 0.12 0.47 0.17 -0.23 0.17 -0.19 0.13 -0.14
MAX 343.50 445.08 685.00 779.00 1103.50 1172.50 1359.00 1343.00 1138.50 969.00 599.50 353.92 8823.00
MIN 68.50 202.22 337.50 336.50 634.50 798.50 995.50 1009.00 866.50 663.50 276.50 41.50 7420.00
NO YRS 43 44 44 44 43 43 43 42 43 43 43 43 41