ORLAND, CALIFORNIA

Monthly Total Growing Degree Days

(046506)

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 1169.00 1070.00 929.00 731.00 377.00 94.00 4370.00
1949 42.00 176.00 327.00 699.50 839.50 1096.50 1148.50 1035.00 980.50 683.00 482.50 106.50 7616.50
1950 75.00 306.50 391.00 707.50 952.50 1009.00 1284.00 1201.00 978.00 689.00 459.00 255.00 8307.50
1951 106.00 201.00 428.50 621.00 849.00 1056.00 1143.50 1123.50 996.00 689.00 360.50 132.50 7706.50
1952 83.50 243.00 303.00 609.00 902.00 858.00 1296.00 1164.00 1068.50 841.00 327.00 130.00 7825.00
1953 297.50 280.00 403.00 551.11 c 663.50 891.50 1244.00 1068.98 a 1065.50 704.00 391.00 264.50 7824.59
1954 151.50 254.00 328.00 668.00 885.50 950.50 1199.50 1010.50 896.50 685.50 352.00 88.00 7469.50
1955 78.50 196.50 404.00 401.00 849.50 987.00 1104.50 1167.00 993.00 775.00 350.00 221.00 7527.00
1956 181.00 149.00 408.00 549.00 804.50 1035.50 1212.00 1111.50 939.50 693.50 410.00 168.00 7661.50
1957 93.50 309.50 423.00 602.00 781.00 1162.50 1202.50 1064.50 975.00 598.50 337.50 152.93 a 7702.43
1958 158.50 321.00 294.00 553.50 868.00 972.00 1206.00 1263.50 713.00 i 893.00 444.50 357.00 7331.00
1959 253.50 236.00 532.50 734.00 786.00 1104.50 1282.50 1128.50 942.50 833.26 b 477.00 207.00 8517.26
1960 135.00 266.50 471.50 558.00 755.50 1205.69 a 1276.50 1159.00 1018.93 b 540.50 h 372.00 178.00 7396.62
1961 137.50 302.50 347.50 607.76 a 703.00 1142.00 1266.50 1202.00 931.00 767.00 380.50 159.00 7946.26
1962 181.00 219.50 317.50 684.50 733.00 1046.54 d 1191.00 1105.00 936.00 696.00 431.00 226.50 7767.54
1963 89.50 430.50 351.00 400.00 792.50 987.50 1083.50 1094.50 984.50 716.00 323.50 84.00 7337.00
1964 126.50 321.00 372.50 573.50 728.50 926.50 1160.00 1146.48 a 918.50 805.50 290.00 259.00 7627.98
1965 144.00 250.00 431.00 530.50 809.00 894.00 1141.00 1122.00 814.50 731.00 331.00 20.50 7218.50
1966 78.00 119.00 397.50 713.50 911.00 1039.50 1074.00 1199.00 981.00 751.50 429.50 182.50 7876.00
1967 192.50 282.00 332.00 274.00 845.50 966.50 1267.00 1310.50 1080.00 770.50 512.50 203.00 8036.00
1968 131.50 400.00 478.00 647.00 798.50 1092.00 1199.00 1042.00 1028.00 706.50 365.50 91.00 7979.00
1969 76.50 135.50 370.50 528.50 943.50 986.50 1247.50 1232.00 1053.50 655.50 452.50 279.00 7961.00
1970 284.00 348.00 484.00 499.50 903.50 1049.50 1231.00 1134.00 991.00 699.00 427.00 126.50 8177.00
1971 192.50 246.50 365.50 513.50 732.00 950.50 1267.50 1208.00 992.50 657.00 384.00 96.50 7606.00
1972 101.00 312.50 574.00 577.00 856.50 1061.00 1227.00 1204.50 912.50 696.50 286.50 105.00 7914.00
1973 109.50 304.50 318.00 644.00 978.50 1118.00 1212.00 1101.50 941.50 688.00 306.00 232.50 7954.00
1974 195.00 195.00 414.00 493.50 852.00 1054.50 1169.50 1175.50 1056.50 816.50 337.50 124.00 7883.50
1975 137.50 194.00 332.50 397.50 871.00 1023.50 1128.00 1072.00 1046.00 619.00 303.50 166.00 7290.50
1976 188.50 277.00 380.00 468.50 929.50 989.50 1171.50 997.50 985.00 808.38 e 480.00 225.00 7900.38
1977 118.50 385.91 e 375.32 c 704.50 633.00 1166.00 1186.50 1192.50 939.50 776.50 415.00 296.00 8189.23
1978 305.50 303.50 547.00 509.50 865.50 1011.50 1226.00 1188.00 920.00 894.50 334.50 107.50 8213.00
1979 159.00 222.00 453.00 531.50 906.00 1034.50 1182.50 1071.00 1059.50 723.50 320.50 205.50 7868.50
1980 230.50 300.50 367.50 564.00 768.50 850.00 1155.50 1074.50 958.50 0.00 z 0.00 z 245.00 6514.50
1981 228.00 321.00 410.75 a 601.55 a 880.50 1189.00 1193.00 1131.50 992.00 631.50 435.00 236.00 8249.80
1982 89.00 283.00 338.50 479.50 916.00 921.50 1106.50 1097.00 916.50 678.50 262.00 156.00 7244.00
1983 133.00 277.00 377.50 422.00 819.50 997.00 1070.00 1129.00 985.50 736.50 322.00 179.00 7448.00
1984 232.00 268.50 561.00 557.00 953.00 1057.50 1313.00 1162.00 1120.00 634.00 310.00 163.50 8331.50
1985 139.00 349.50 346.00 674.00 786.00 1164.50 1262.00 1056.50 837.00 687.50 241.50 95.00 7638.50
1986 266.00 333.00 537.00 543.00 820.50 992.00 1090.50 1194.50 830.50 781.50 507.50 196.00 8092.00
1987 159.50 293.50 391.50 739.00 955.50 1077.00 1032.00 1135.00 968.50 882.00 386.50 160.00 8180.00
1988 179.50 392.00 521.00 614.00 717.50 980.00 1310.00 1126.50 994.50 834.00 360.50 235.00 8264.50
1989 165.50 232.50 431.50 724.00 851.50 1014.00 1163.00 1093.00 892.50 669.50 417.00 193.50 7847.50
1990 162.00 185.50 485.50 713.50 801.00 991.50 1253.00 1165.00 1016.00 809.50 400.50 132.00 8115.00
1991 203.00 421.50 289.00 543.00 749.00 954.00 1256.00 1067.00 1098.00 946.50 475.50 213.50 8216.00
1992 143.00 410.50 511.00 673.50 1067.50 1063.00 1159.00 1237.50 1032.00 840.50 427.50 154.50 8719.50
1993 147.00 238.00 568.00 566.00 808.50 1009.00 1213.00 1126.00 1014.50 806.50 404.50 188.50 8089.50
1994 275.00 215.50 539.00 653.00 832.50 1004.00 1237.00 1133.50 1035.50 731.00 227.00 97.50 7980.50
1995 263.50 387.00 404.00 555.50 752.00 0.00 z 1151.00 1157.00 1006.50 833.00 562.50 297.50 7369.50
1996 212.00 353.50 495.00 595.50 831.50 1066.50 1303.00 1249.50 982.00 765.50 464.00 282.50 8600.50
1997 253.00 342.00 579.00 632.00 983.50 1032.50 1201.50 1118.00 1014.00 719.00 442.50 225.00 8542.00
1998 249.50 232.00 455.50 511.00 580.50 903.00 1217.50 1232.50 1050.50 696.50 376.00 165.00 7669.50
1999 220.50 223.00 344.50 554.00 811.00 968.50 1103.50 1108.50 1076.50 830.50 465.50 273.50 7979.50
2000 278.00 319.00 476.50 678.50 855.00 1117.00 1054.00 1114.00 962.00 703.50 299.50 268.00 8125.00
2001 189.50 247.50 545.00 514.00 1038.50 1022.50 1126.50 1132.50 983.50 873.00 462.50 228.50 8363.50
2002 181.50 341.50 391.50 643.50 825.00 1095.00 1168.00 1068.50 1017.50 768.50 468.50 258.00 8227.00
2003 348.50 296.00 493.50 423.50 818.00 1096.50 1306.00 1127.50 1091.00 907.50 326.00 215.50 8449.50
2004 171.50 286.50 673.50 683.50 749.00 1054.00 1179.50 1151.00 1019.00 719.00 395.00 267.50 8349.00
2005 175.50 382.00 531.00 550.50 804.50 889.00 1328.00 1192.00 946.00 770.50 461.00 271.50 8301.50
2006 267.50 333.00 267.50 533.50 939.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2341.00
Period of Record Statistics
MEAN 175.28 283.66 425.61 577.48 835.23 1024.58 1195.72 1136.97 985.86 750.89 388.61 188.64 7960.88
S.D. 69.03 72.37 89.71 98.08 93.29 82.21 71.54 64.24 65.37 79.66 72.85 69.18 357.53
SKEW 0.34 -0.05 0.46 -0.51 -0.06 0.04 -0.20 0.24 -0.40 0.41 -0.03 -0.04 -0.14
MAX 348.50 430.50 673.50 739.00 1067.50 1205.69 1328.00 1310.50 1120.00 946.50 562.50 357.00 8719.50
MIN 42.00 119.00 267.50 274.00 580.50 850.00 1032.00 997.50 814.50 598.50 227.00 20.50 7218.50
NO YRS 58 58 58 58 58 56 58 58 57 56 57 58 53