MODESTO, CALIFORNIA

Monthly Total Growing Degree Days

(045738)

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
1931 176.50 331.00 484.00 684.00 931.00 914.00 1265.00 1116.50 804.00 627.00 273.00 138.00 7744.00
1932 84.50 214.50 490.50 509.00 767.50 972.00 1066.00 1018.50 961.50 673.00 481.00 85.50 7323.50
1933 44.00 172.00 455.00 544.50 628.00 873.00 1182.50 1092.00 821.50 817.50 390.00 148.50 7168.50
1934 149.50 338.00 619.00 695.00 846.50 889.00 1074.00 1056.00 921.00 712.00 444.00 202.50 7946.50
1935 200.50 256.50 293.00 560.00 746.00 979.00 1063.00 1085.50 898.00 637.50 281.00 195.00 7195.00
1936 230.00 280.00 463.00 597.50 840.00 951.00 1150.50 1106.00 942.50 754.00 365.00 105.00 7784.50
1937 44.00 222.50 454.50 516.50 821.00 948.50 1167.00 1105.00 913.00 750.00 436.50 241.00 7619.50
1938 141.50 279.50 355.50 534.50 820.00 987.00 1114.00 1052.50 967.50 667.50 311.00 220.00 7450.50
1939 174.00 191.50 408.00 697.00 818.50 978.50 1109.00 1085.00 978.50 714.00 417.00 276.50 7847.50
1940 281.50 360.00 513.50 623.00 877.00 1058.00 1098.50 1062.50 879.50 724.50 340.50 315.50 8134.00
1941 296.00 369.00 511.50 537.50 818.00 897.00 1171.50 998.00 864.00 644.00 426.00 260.50 7793.00
1942 219.00 246.50 405.00 507.00 670.00 918.50 1119.50 1057.00 861.50 729.00 359.00 176.00 7268.00
1943 163.00 302.50 442.00 570.50 816.00 811.50 1079.00 979.50 949.50 669.00 401.00 224.50 7408.00
1944 201.50 240.00 433.50 470.00 781.50 846.00 1042.00 1025.50 971.50 729.50 326.00 202.50 7269.50
1945 129.50 283.50 313.50 586.00 695.00 981.50 1183.00 1042.50 927.50 731.00 321.00 196.00 7390.00
1946 126.50 192.00 413.00 629.00 766.50 897.00 1097.00 1070.50 931.50 598.50 274.50 166.00 7162.00
1947 61.50 257.00 502.50 666.50 935.00 968.50 1027.00 994.00 994.00 702.00 253.50 116.50 7478.00
1948 190.00 175.00 298.50 467.50 640.67 a 903.50 1048.50 992.50 868.00 646.00 279.00 73.50 6582.67
1949 8.50 141.50 355.50 630.00 721.50 953.50 1026.00 917.50 866.00 569.50 385.20 e 68.31 d 6643.02
1950 118.00 270.50 378.50 638.00 813.50 888.50 1172.00 1130.00 917.00 740.00 530.00 323.50 7919.50
1951 199.00 280.00 425.00 586.00 821.00 927.00 1079.50 1061.00 953.00 688.00 420.00 167.50 7607.00
1952 178.00 264.50 197.50 r 574.50 848.50 811.00 1175.00 1087.50 984.00 776.50 315.00 222.50 7237.00
1953 328.50 282.50 405.50 549.50 652.00 831.00 1190.50 993.00 982.00 680.00 425.00 211.50 7531.00
1954 207.00 254.00 341.00 a 696.00 841.00 914.50 1192.00 973.50 858.50 674.00 334.00 151.00 7436.50
1955 74.50 183.00 431.00 435.50 773.50 905.00 1023.50 1091.00 933.50 711.50 327.00 296.00 7185.00
1956 262.50 185.50 441.00 560.50 796.50 954.00 1109.00 1010.50 928.50 641.00 368.50 167.50 7425.00
1957 103.50 364.00 482.50 618.00 765.50 1057.50 1151.50 1019.00 934.00 661.00 336.00 167.00 7659.50
1958 208.50 411.50 364.00 602.00 875.00 939.00 1114.00 1234.50 1019.50 852.50 464.00 331.00 8415.50
1959 327.50 293.00 587.50 745.50 775.50 1046.00 1229.50 1095.00 902.00 811.50 410.00 194.00 8417.00
1960 213.50 294.00 514.50 590.50 760.00 1101.00 1211.50 1098.00 954.00 716.62 a 354.00 151.00 7958.62
1961 129.00 358.50 428.50 626.50 684.50 1068.50 1207.00 1161.00 894.00 734.00 333.00 133.50 7758.00
1962 70.50 215.50 366.00 687.00 718.50 962.00 1099.50 1079.50 928.00 693.00 472.50 213.00 7505.00
1963 101.00 489.00 421.00 461.00 777.00 938.00 1064.00 1066.00 1004.50 744.00 330.50 40.50 7436.50
1964 164.50 290.00 410.50 571.50 709.00 884.50 1107.50 1079.00 840.50 788.00 283.50 290.50 7419.00
1965 175.50 255.00 427.50 548.50 742.50 778.50 1081.50 1110.00 815.50 786.00 437.00 80.00 7237.50
1966 167.50 227.50 478.00 708.50 834.50 948.00 1008.50 1121.50 898.50 694.00 422.00 154.00 7662.50
1967 164.50 217.50 389.00 307.50 800.50 894.00 1211.50 1230.50 1023.50 783.00 480.00 124.50 7626.00
1968 153.50 447.50 509.00 615.50 765.00 1023.62 a 1132.50 1010.50 929.50 688.50 398.50 153.00 7826.62
1969 170.00 238.00 428.50 583.00 869.00 894.50 1165.50 1166.50 1025.50 638.50 426.50 271.50 7877.00
1970 317.00 371.50 490.50 499.00 881.50 969.00 1189.00 1082.00 942.00 682.00 447.00 212.50 8083.00
1971 179.50 224.52 a 417.00 531.00 690.50 916.50 1156.50 1173.00 970.50 647.50 367.50 112.12 a 7386.14
1972 68.50 369.00 634.00 604.50 856.00 999.00 1139.00 1125.00 890.00 694.00 313.00 124.50 7816.50
1973 180.00 354.00 345.50 646.00 927.00 1068.00 1137.00 1085.50 910.00 698.00 382.00 227.50 7960.50
1974 228.50 271.00 485.50 568.50 802.00 1020.00 1139.50 1118.00 1017.00 807.00 377.00 182.00 8016.00
1975 116.50 313.50 384.50 444.00 848.50 954.50 1088.50 1049.00 1003.00 658.00 335.50 181.00 7376.50
1976 208.00 319.50 420.50 534.00 873.50 959.00 1141.00 991.00 961.50 785.00 449.00 182.00 7824.00
1977 110.50 356.00 386.00 710.00 657.50 1064.50 1167.50 1138.00 961.00 799.00 447.00 331.00 8128.00
1978 329.00 355.00 641.50 570.50 910.00 992.00 1191.50 1161.50 928.00 851.00 313.50 83.00 8326.50
1979 196.50 282.00 520.50 633.50 931.00 1064.50 1182.50 1093.00 1095.00 798.50 394.50 258.00 8449.50
1980 288.50 409.50 436.00 613.00 743.50 876.00 1150.50 1075.00 946.00 783.50 440.50 190.50 7952.50
1981 289.00 358.30 a 457.50 664.00 878.50 1172.50 1173.00 1133.00 1008.50 657.50 479.00 298.50 8569.30
1982 108.50 346.50 411.50 589.50 873.50 890.50 1122.00 1128.50 923.00 741.00 310.00 198.50 7643.00
1983 159.50 376.00 507.50 531.50 843.50 990.50 1075.50 1174.00 1031.00 834.50 402.50 341.00 8267.00
1984 209.50 323.50 598.00 597.00 969.50 1020.50 1270.50 1165.00 1125.50 669.00 374.00 140.53 a 8462.53
1985 92.00 340.50 409.00 749.00 824.00 1122.50 1232.50 1082.00 883.50 719.50 321.00 123.00 7898.50
1986 356.50 433.00 626.00 656.00 882.00 1019.50 1139.50 0.00 z 814.00 756.50 446.50 168.00 7297.50
1987 153.50 335.00 473.00 778.00 931.50 1038.00 1029.00 1093.00 961.50 838.00 336.00 211.50 8178.00
1988 223.50 402.00 571.00 642.00 786.50 996.50 1274.50 1139.50 1000.00 839.00 0.00 z 176.50 8051.00
1989 124.52 a 275.50 561.00 754.00 854.00 1008.00 1153.50 1076.00 929.00 751.00 470.50 150.00 8107.02
1990 260.00 256.50 539.00 743.50 816.50 990.50 1212.00 1152.50 1003.00 877.00 449.50 143.50 8443.50
1991 260.00 449.50 392.50 570.50 737.00 911.50 1193.00 1057.50 1081.50 941.50 518.50 239.00 8352.00
1992 130.00 475.00 583.50 761.50 1028.50 983.50 1159.00 1224.00 1038.00 883.00 499.00 198.00 8963.00
1993 228.00 335.00 635.50 642.50 865.00 1020.00 1130.00 1133.50 1019.50 852.00 441.00 209.00 8511.00
1994 244.00 302.50 605.50 665.50 825.00 1017.50 1157.00 1180.00 1010.00 789.00 305.00 170.00 8271.00
1995 403.50 408.00 499.00 613.50 787.50 925.50 1149.00 0.00 z 1018.00 860.00 639.00 373.00 7676.00
1996 289.50 461.00 579.00 713.00 884.00 1049.50 1289.50 1247.50 975.00 773.00 501.50 349.00 9111.50
1997 302.50 415.50 661.00 720.50 1032.50 1008.50 1184.00 1149.50 1101.00 768.50 549.50 236.50 9129.50
1998 323.00 338.50 547.00 615.50 664.00 909.00 1193.00 1257.50 1050.00 664.50 380.00 139.50 8081.50
1999 156.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 973.50 833.50 474.50 188.50 2626.50
2000 286.50 367.50 477.00 664.00 856.00 1077.50 1078.50 1131.00 968.00 689.00 263.50 201.00 8059.50
2001 151.50 250.50 547.50 520.50 1075.50 1092.00 1151.50 1159.00 1001.00 813.00 463.00 247.50 8472.50
2002 134.00 305.50 434.50 623.00 846.00 1054.50 1204.50 1105.50 1023.50 715.50 418.50 275.50 8140.50
2003 288.00 282.00 510.00 479.00 846.00 1052.00 1328.00 1153.50 1053.50 849.00 336.00 277.00 8454.00
2004 184.50 301.00 648.50 708.00 873.50 1024.00 1185.00 1151.00 988.50 697.00 337.00 207.00 8305.00
2005 185.00 365.00 522.00 557.00 846.00 940.50 1305.50 1224.50 922.50 757.50 471.00 320.00 8416.50
2006 259.50 387.00 388.50 623.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1658.00
Period of Record Statistics
MEAN 190.30 309.19 470.07 603.54 817.69 968.79 1147.03 1098.37 954.30 738.26 393.02 198.93 7860.94
S.D. 82.25 78.29 89.30 87.78 90.20 77.72 68.90 69.93 68.67 75.76 76.74 73.38 517.48
SKEW 0.23 0.16 0.32 -0.38 0.20 0.00 0.23 0.04 0.02 0.29 0.39 0.29 0.12
MAX 403.50 489.00 661.00 778.00 1075.50 1172.50 1328.00 1257.50 1125.50 941.50 639.00 373.00 9129.50
MIN 8.50 141.50 293.00 307.50 628.00 778.50 1008.50 917.50 804.00 569.50 253.50 40.50 6582.67
NO YRS 76 75 74 75 74 74 74 72 75 75 74 75 70