COLUSA 2 SSW, CALIFORNIA

Monthly Total Growing Degree Days

(041948)

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 0.00 z 0.00 z 0.00 z 760.53 a 361.50 86.00 1208.03
1949 17.50 171.77 b 384.00 683.00 806.00 1064.50 1142.50 1038.50 1007.00 685.00 511.55 a 82.50 7593.82
1950 82.50 271.00 356.00 656.00 860.77 a 959.50 1235.00 1162.50 965.69 a 731.00 499.50 253.74 d 8033.20
1951 128.00 243.50 411.50 598.50 834.00 1002.50 1112.00 1117.00 825.50 f 0.00 z 126.00 p 183.42 a 5630.42
1952 89.00 254.50 295.00 572.00 809.00 851.50 1224.50 1096.50 1015.80 e 839.50 325.00 166.50 7538.80
1953 308.50 291.50 0.00 z 549.00 658.00 871.00 0.00 z 1074.00 1060.50 713.50 406.50 264.00 6196.50
1954 194.00 247.50 333.00 639.00 872.00 978.50 1198.00 985.00 878.00 658.00 345.00 111.00 7439.00
1955 96.00 189.00 397.50 406.50 874.00 994.50 1093.50 1115.50 954.50 720.50 333.00 256.50 7431.00
1956 221.50 175.50 423.50 566.00 814.00 1027.50 1183.50 1049.50 912.50 639.50 362.50 119.50 7495.00
1957 91.50 332.00 448.50 622.50 817.50 1109.50 1198.00 1065.00 939.00 589.50 284.00 136.00 7633.00
1958 162.00 381.50 316.50 581.00 902.50 969.50 1158.00 1244.50 1041.50 833.00 406.00 332.50 8328.50
1959 282.50 258.00 531.00 745.50 822.50 1086.00 1231.50 1095.50 914.50 803.00 392.00 157.50 8319.50
1960 157.00 285.00 475.50 558.50 770.50 1174.50 1234.50 1118.00 952.00 677.50 320.50 148.00 7871.50
1961 137.50 337.00 373.00 605.50 728.00 1127.00 1244.50 1185.00 906.50 702.00 352.00 145.00 7843.00
1962 145.50 214.00 341.50 689.00 759.00 1013.50 1156.50 1090.00 927.00 682.00 405.50 221.00 7644.50
1963 66.00 454.00 349.50 419.50 790.00 974.00 1078.50 1110.00 991.50 712.50 333.50 73.50 7352.50
1964 148.50 313.50 391.00 583.50 754.50 932.00 1141.50 1113.00 901.50 752.00 292.50 282.00 7605.50
1965 157.50 234.00 419.00 537.00 827.50 885.50 1120.50 1113.00 817.00 736.00 403.00 56.00 7306.00
1966 145.00 196.00 442.50 720.50 877.50 1020.50 1068.00 1175.50 977.50 720.00 388.00 190.50 7921.50
1967 172.50 268.50 342.50 281.00 827.50 936.50 1203.50 1247.50 1025.50 733.50 436.50 190.50 7665.50
1968 139.50 417.50 474.00 634.00 793.00 1041.50 1138.50 1027.50 966.00 651.00 348.00 108.50 7739.00
1969 108.50 177.00 394.50 539.50 918.00 922.50 1162.50 1185.00 1003.00 632.00 374.50 256.50 7673.50
1970 287.00 330.50 495.00 482.50 893.50 993.50 1172.50 1086.50 945.00 648.00 428.50 149.00 7911.50
1971 181.50 246.50 397.50 523.50 710.50 940.50 1189.00 1167.00 954.50 615.50 355.50 87.50 7369.00
1972 80.00 314.50 578.00 568.50 850.50 1030.00 1163.50 1158.50 870.00 667.00 275.50 107.00 7663.00
1973 123.50 336.00 345.00 642.50 950.50 1068.00 1149.50 1068.00 904.00 694.00 320.50 217.00 7818.50
1974 203.00 225.50 0.00 z 0.00 z 0.00 z 1047.50 1139.50 1133.50 1001.00 786.00 342.50 181.00 6059.50
1975 157.00 254.00 364.50 409.00 874.00 1006.00 1095.50 1059.88 b 990.50 637.50 310.50 170.50 7328.88
1976 182.50 309.00 389.00 501.00 932.50 1002.50 1180.00 1021.50 966.50 769.50 456.50 166.50 7877.00
1977 112.50 347.50 359.00 678.00 639.00 1084.00 1127.50 1133.50 926.00 726.50 400.00 293.50 7827.00
1978 327.00 332.37 a 573.00 517.00 909.50 992.50 1177.50 1150.00 900.50 836.00 311.00 94.00 8120.37
1979 169.00 250.50 475.00 528.00 893.00 1028.50 1180.00 1087.00 1048.50 762.00 350.00 234.50 8006.00
1980 287.00 381.50 436.50 586.50 783.50 861.00 1132.00 1049.50 921.00 745.00 377.00 198.50 7759.00
1981 222.00 337.00 418.00 622.50 893.50 1162.50 1159.00 1119.50 967.00 618.50 424.50 240.50 8184.50
1982 91.00 0.00 z 337.50 464.00 896.50 903.00 1070.50 1074.00 908.00 687.50 269.00 190.00 6891.00
1983 149.00 343.50 444.00 466.00 829.00 1003.50 1079.00 1111.00 939.50 791.00 378.00 268.00 7801.50
1984 232.00 265.50 525.50 565.50 942.50 987.00 1224.50 1104.50 1039.50 609.50 349.50 172.50 8018.00
1985 94.50 293.50 337.50 698.00 795.50 1104.50 1222.00 1043.50 819.50 692.50 278.50 134.50 7514.00
1986 317.50 382.50 597.00 601.50 853.50 1020.50 1113.50 1093.00 793.00 742.50 469.00 192.50 8176.00
1987 182.50 289.50 437.50 720.00 938.00 1037.50 1014.50 1108.50 951.50 845.50 396.00 219.50 8140.50
1988 213.50 377.50 522.50 590.00 761.00 0.00 z 1295.50 1091.00 966.50 826.50 415.50 222.00 7281.50
1989 140.50 211.00 446.50 649.50 806.50 950.00 1112.50 1017.00 861.50 663.00 395.50 168.00 7421.50
1990 173.50 171.50 468.50 700.00 764.50 962.50 1146.00 1080.00 923.00 777.00 324.00 98.50 7589.00
1991 152.00 374.00 302.00 555.50 822.50 985.50 1256.50 1077.50 1107.50 915.50 453.50 112.50 8114.50
1992 79.50 413.50 526.00 672.50 1039.00 1010.00 1080.50 1159.50 988.00 806.00 382.50 132.50 8289.50
1993 146.00 244.50 586.50 586.50 819.00 980.50 1113.50 1037.00 948.00 776.00 339.50 165.00 7742.00
1994 242.50 213.50 508.50 625.50 832.00 953.50 1071.00 1024.00 939.00 682.50 219.00 105.50 7416.50
1995 293.50 369.00 420.00 556.50 773.00 939.00 1064.00 1067.00 942.50 767.50 0.00 z 282.00 7474.00
1996 222.00 394.50 514.00 619.00 849.50 1064.50 1194.50 1139.00 899.00 711.50 440.00 289.00 8336.50
1997 244.50 335.00 544.00 640.50 1012.84 b 995.00 1114.50 1062.50 988.50 693.50 453.50 199.00 8283.34
1998 266.50 269.00 477.50 580.50 616.00 891.00 1149.00 1157.00 1027.00 679.50 372.00 162.50 7647.50
1999 188.50 226.00 364.50 570.00 805.48 a 954.00 1027.50 1022.50 980.00 794.12 a 448.00 244.00 7624.60
2000 255.50 325.50 482.50 664.00 863.50 1054.00 1033.50 1085.50 929.00 35.00 z 170.50 g 248.50 6941.50
2001 174.50 258.00 554.50 527.50 1066.00 1043.00 1087.00 1063.50 938.50 829.50 481.00 240.50 8263.50
2002 187.00 332.00 462.50 639.00 825.00 1043.00 1144.00 1053.50 964.00 717.50 438.50 269.50 8075.50
2003 316.00 291.50 510.00 432.50 804.00 1045.50 1233.00 1074.50 1001.50 838.50 327.00 243.00 8117.00
2004 189.50 295.50 650.50 661.50 873.50 1017.00 1096.00 1075.00 936.00 699.00 366.00 220.00 8079.50
2005 157.00 370.50 540.00 518.50 816.50 907.50 1273.50 1146.50 872.00 725.50 476.50 265.50 8069.50
2006 290.00 333.50 309.00 532.00 897.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2362.00
Period of Record Statistics
MEAN 178.98 293.98 439.26 580.39 837.69 1000.18 1150.12 1098.41 950.24 727.65 376.45 186.29 7820.38
S.D. 72.80 68.89 85.74 89.67 85.09 70.97 64.26 54.30 60.97 71.10 63.08 66.73 305.34
SKEW 0.28 0.07 0.30 -0.74 0.04 0.11 0.07 0.55 -0.13 0.30 0.00 0.00 0.08
MAX 327.00 454.00 650.50 745.50 1066.00 1174.50 1295.50 1247.50 1107.50 915.50 511.55 332.50 8336.50
MIN 17.50 171.50 295.00 281.00 616.00 851.50 1014.50 985.00 793.00 589.50 219.00 56.00 7306.00
NO YRS 58 57 56 57 57 56 56 57 56 56 55 58 50