ORLAND, CALIFORNIA

Monthly Total Growing Degree Days

(046506)

Base Temperature = 50 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 859.00 760.00 629.00 429.50 105.50 3.00 2786.00
1949 0.00 31.50 50.00 399.50 529.50 796.50 838.50 725.00 680.50 374.00 182.50 2.50 4610.00
1950 16.50 89.50 104.00 408.50 644.50 709.00 974.00 891.00 678.00 382.50 171.50 39.00 5108.00
1951 0.00 33.50 172.50 321.50 539.00 756.00 833.50 813.50 696.00 379.00 102.00 14.00 4660.50
1952 0.50 34.00 94.00 309.00 592.00 558.00 986.00 854.00 768.50 531.00 109.50 6.50 4843.00
1953 55.50 33.00 138.00 267.22 c 353.50 591.50 934.00 758.98 a 765.50 395.50 124.00 37.00 4453.71
1954 2.00 57.00 65.50 368.00 575.50 650.50 889.50 700.50 596.50 375.50 76.00 3.00 4359.50
1955 2.50 9.50 123.00 129.50 539.50 687.00 794.50 857.00 693.00 465.00 138.00 29.00 4467.50
1956 3.50 5.50 123.50 265.50 494.50 735.50 902.00 801.50 639.50 389.50 127.00 9.50 4497.00
1957 0.00 104.50 131.50 302.00 471.00 862.50 892.50 754.50 675.00 288.50 65.00 5.68 a 4552.68
1958 7.00 62.00 28.50 261.50 558.00 672.00 896.00 953.50 503.00 i 583.00 177.00 73.50 4272.00
1959 38.00 42.00 222.50 434.00 476.00 804.50 972.50 818.50 642.50 523.26 b 179.00 30.00 5182.76
1960 3.50 25.00 181.50 264.00 445.50 905.69 a 966.50 849.00 718.93 b 310.50 h 117.50 8.50 4485.62
1961 3.50 45.50 68.50 317.59 a 393.00 842.00 956.50 892.00 631.00 457.00 117.50 6.50 4730.59
1962 44.00 26.50 68.00 388.50 423.00 746.54 d 881.00 795.00 636.00 386.00 143.50 28.00 4566.04
1963 5.00 150.50 76.50 124.00 482.50 687.50 773.50 784.50 684.50 406.00 68.00 1.50 4244.00
1964 0.50 67.00 122.50 274.00 422.50 626.50 850.00 836.48 a 618.50 495.50 61.50 58.50 4433.48
1965 2.00 24.50 126.50 246.50 499.00 594.00 831.00 812.00 514.50 421.00 76.50 0.00 4147.50
1966 3.00 0.50 149.00 413.50 601.00 739.50 764.00 889.00 681.00 441.50 157.50 8.00 4847.50
1967 20.50 38.50 69.50 26.00 535.50 666.50 957.00 1000.50 780.00 460.50 233.50 71.50 4859.50
1968 13.00 141.00 174.50 348.00 488.50 792.00 889.00 732.00 728.00 397.00 93.00 0.50 4796.50
1969 4.00 1.50 115.00 232.50 633.50 686.50 937.50 922.00 753.50 345.50 165.00 28.00 4824.50
1970 69.00 92.50 194.50 205.00 593.50 749.50 921.00 824.00 691.00 389.00 137.00 2.00 4868.00
1971 20.00 32.50 96.50 220.50 422.00 650.50 957.50 898.00 692.50 355.00 100.00 2.50 4447.50
1972 4.50 69.50 268.00 278.00 546.50 761.00 917.00 894.50 612.50 386.50 34.00 12.50 4784.50
1973 4.00 44.00 59.00 345.50 668.50 818.00 902.00 791.50 641.50 378.00 70.50 14.50 4737.00
1974 30.50 6.50 148.50 209.50 543.00 754.50 859.50 865.50 756.50 506.50 63.00 0.50 4744.00
1975 6.50 18.50 62.50 118.50 561.00 723.50 818.00 762.00 746.00 310.00 65.00 10.00 4201.50
1976 26.50 41.50 122.50 178.50 619.50 689.50 861.50 687.50 685.00 498.38 e 192.00 7.50 4609.88
1977 2.50 128.43 e 102.41 c 404.50 323.00 866.00 876.50 882.50 639.50 466.50 153.00 42.50 4887.35
1978 31.50 73.00 237.00 221.00 555.50 711.50 916.00 878.00 620.00 584.50 92.50 0.00 4920.50
1979 4.50 13.50 168.50 231.50 596.00 734.50 872.50 761.00 759.50 413.50 57.50 30.00 4642.50
1980 28.50 45.00 83.00 264.00 458.50 550.00 845.50 764.50 658.50 0.00 z 0.00 z 29.00 3726.50
1981 26.50 73.00 111.60 a 301.55 a 570.50 889.00 883.00 821.50 692.00 321.50 155.00 13.00 4858.15
1982 0.00 63.00 67.50 213.50 606.00 621.50 796.50 787.00 616.50 368.50 42.50 2.00 4184.50
1983 2.50 29.00 85.50 129.50 511.50 697.00 760.00 819.00 685.50 426.50 81.50 1.00 4228.50
1984 48.00 38.00 254.00 258.50 643.00 757.50 1003.00 852.00 820.00 333.50 53.50 13.00 5074.00
1985 3.50 136.50 93.00 378.00 476.00 864.50 952.00 746.50 537.00 377.50 94.50 2.50 4661.50
1986 24.50 107.00 241.50 245.50 510.50 692.00 780.50 884.50 530.50 471.50 216.00 14.50 4718.50
1987 4.50 46.50 111.50 439.00 645.50 777.00 722.00 825.00 668.50 572.00 116.00 23.50 4951.00
1988 20.00 131.00 211.50 314.00 407.50 680.00 1000.00 816.50 694.50 524.00 102.00 48.50 4949.50
1989 16.00 60.00 153.50 424.00 541.50 714.00 853.00 783.00 592.50 359.50 138.00 19.00 4654.00
1990 11.50 48.50 203.00 413.50 491.00 691.50 943.00 855.00 716.00 499.50 131.50 5.00 5009.00
1991 28.50 159.00 54.00 243.00 439.00 654.00 946.00 757.00 798.00 636.50 178.50 14.00 4907.50
1992 3.50 131.50 201.00 373.50 757.50 763.00 849.00 927.50 732.00 530.50 144.00 7.00 5420.00
1993 7.00 25.00 261.50 266.00 498.50 709.00 903.00 816.00 714.50 496.50 142.00 16.50 4855.50
1994 35.50 13.50 235.00 353.00 522.50 704.00 927.00 823.50 735.50 421.00 16.50 0.00 4787.00
1995 40.00 130.50 110.50 260.50 442.00 0.00 z 841.00 847.00 706.50 523.00 262.50 46.00 4209.50
1996 18.50 122.50 187.50 301.50 521.50 766.50 993.00 939.50 682.00 456.50 169.50 37.00 5195.50
1997 35.50 89.00 275.50 332.00 673.50 732.50 891.50 808.00 714.00 409.00 152.50 16.00 5129.00
1998 27.50 7.50 164.00 219.50 270.50 603.00 907.50 922.50 750.50 386.50 86.00 25.50 4370.50
1999 27.50 17.00 73.00 271.00 501.00 668.50 793.50 798.50 776.50 520.50 175.00 41.50 4663.50
2000 24.50 48.50 179.50 378.50 545.00 817.00 744.00 804.00 662.00 394.00 73.00 15.00 4685.00
2001 5.50 36.50 247.50 239.00 728.50 722.50 816.50 822.50 683.50 563.00 186.00 6.50 5057.50
2002 11.00 99.00 118.00 345.50 515.00 795.00 858.00 758.50 717.50 458.50 170.50 15.50 4862.00
2003 68.00 39.50 187.50 138.00 508.50 796.50 996.00 817.50 791.00 597.50 57.50 13.00 5010.50
2004 3.50 36.00 372.00 383.50 439.00 754.00 869.50 841.00 719.00 409.00 123.00 31.50 4981.00
2005 4.50 104.00 222.50 252.00 494.50 589.00 1018.00 882.00 646.00 460.50 186.00 46.00 4905.00
2006 19.00 102.00 26.50 238.00 629.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1015.00
Period of Record Statistics
MEAN 16.71 60.02 144.74 284.29 525.40 724.58 885.72 826.97 685.86 441.62 122.95 18.75 4738.59
S.D. 17.29 43.24 73.10 90.61 93.26 82.21 71.54 64.24 65.36 79.03 52.87 18.09 282.42
SKEW 1.24 0.68 0.64 -0.35 -0.06 0.04 -0.20 0.25 -0.40 0.42 0.25 1.21 -0.20
MAX 69.00 159.00 372.00 439.00 757.50 905.69 1018.00 1000.50 820.00 636.50 262.50 73.50 5420.00
MIN 0.00 0.50 26.50 26.00 270.50 550.00 722.00 687.50 514.50 288.50 16.50 0.00 4147.50
NO YRS 58 58 58 58 58 56 58 58 57 56 57 58 53