STONY GORGE RESERVOIR, CALIFORNIA

Monthly Total Growing Degree Days

(048587)

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 809.00 761.50 606.00 361.50 76.50 2.00 g 2614.50
1949 0.00 7.00 42.00 324.50 422.12 a 720.00 849.50 739.50 660.00 342.50 184.50 4.00 4295.62
1950 5.50 35.00 61.00 268.00 523.50 636.00 979.00 896.50 642.00 375.00 159.50 20.00 4601.00
1951 2.00 19.50 102.00 250.50 467.00 735.50 882.00 858.70 a 718.00 340.00 90.56 c 16.50 4482.26
1952 0.00 17.50 74.50 241.00 511.00 557.00 983.00 863.00 760.00 516.50 83.50 4.50 4611.50
1953 42.50 30.00 73.00 218.50 272.00 549.00 933.00 775.50 787.50 352.50 101.00 12.00 4146.50
1954 2.00 63.00 31.50 288.50 536.00 597.50 901.50 715.00 585.00 352.00 86.00 4.00 4162.00
1955 0.00 10.00 77.50 94.50 465.50 654.00 796.00 861.50 678.50 394.00 109.00 29.50 4170.00
1956 4.50 6.00 72.00 216.50 441.00 673.50 911.50 785.50 595.50 334.00 123.00 6.50 4169.50
1957 0.00 82.50 99.50 226.00 406.50 792.50 878.00 756.92 a 663.50 252.50 39.00 6.00 4202.92
1958 9.00 51.50 6.00 194.00 515.00 615.00 896.00 978.00 732.50 511.50 162.00 88.50 4759.00
1959 30.50 31.00 142.00 356.00 413.00 759.50 978.50 840.50 588.00 506.50 125.50 19.50 4790.50
1960 8.00 18.50 164.00 179.00 389.00 847.50 987.00 868.50 704.50 375.50 77.50 7.50 4626.50
1961 7.50 43.00 50.50 249.00 351.50 804.50 963.50 921.50 625.34 a 415.00 76.50 1.50 4509.34
1962 46.00 17.50 41.50 320.00 366.00 552.50 g 901.67 b 817.07 c 658.50 393.00 124.50 50.50 3736.24
1963 2.00 130.50 36.00 81.00 455.50 648.00 775.00 813.50 714.50 370.50 66.50 3.00 4096.00
1964 0.00 41.00 74.50 196.00 378.00 629.50 876.50 871.00 617.00 479.50 63.00 66.50 4292.50
1965 14.00 19.50 62.50 210.00 426.50 619.00 850.00 825.00 543.50 495.50 94.50 1.00 4161.00
1966 1.00 0.00 125.50 341.50 562.50 709.00 774.50 914.00 691.50 445.00 118.50 9.00 4692.00
1967 12.50 34.50 34.00 3.50 451.50 646.00 923.50 985.50 746.00 421.00 181.00 44.00 4483.00
1968 16.50 94.00 97.00 227.00 409.00 720.50 896.50 718.50 675.50 356.50 75.50 4.50 4291.00
1969 5.50 0.50 82.67 a 143.50 548.00 640.50 911.50 896.00 721.00 296.50 141.50 27.00 4414.17
1970 47.50 59.50 146.50 108.50 531.00 736.00 949.50 844.00 673.00 363.50 112.50 1.50 4573.00
1971 11.00 43.00 57.50 135.50 373.00 642.50 934.50 909.00 628.50 313.00 37.50 0.00 4085.00
1972 4.50 37.50 185.50 178.00 479.00 721.00 913.00 875.00 553.50 307.50 19.50 4.50 4278.50
1973 0.00 6.50 17.50 247.50 583.00 744.50 903.00 787.50 606.50 330.00 64.00 3.00 4293.00
1974 20.00 0.00 72.00 121.50 445.50 711.00 827.00 845.00 759.00 426.00 46.50 0.00 4273.50
1975 8.50 9.00 36.50 49.00 451.50 671.50 814.00 774.00 748.00 266.00 55.00 15.00 3898.00
1976 12.50 27.50 65.50 134.50 560.00 635.50 893.00 646.50 640.50 441.00 189.50 6.00 4252.00
1977 0.00 71.00 33.00 307.50 223.00 824.00 868.00 871.50 576.50 381.00 84.00 26.00 4265.50
1978 3.00 35.00 155.50 143.00 430.50 641.00 876.00 857.50 527.50 519.50 60.50 0.00 g 4249.00
1979 5.50 1.50 99.50 141.00 467.00 678.00 840.00 749.00 705.00 385.00 32.00 22.50 4126.00
1980 27.50 30.50 30.50 191.00 367.00 493.00 846.50 802.50 623.00 431.50 88.00 32.50 3963.50
1981 14.00 39.50 60.50 235.50 475.00 811.50 886.50 857.00 675.50 273.00 145.50 8.00 4481.50
1982 0.00 34.00 15.50 142.50 492.50 590.50 796.50 798.50 574.00 305.00 28.00 5.00 3782.00
1983 6.00 0.00 z 9.50 m 62.00 405.50 618.00 715.50 782.50 642.00 406.50 77.50 0.50 3716.00
1984 43.00 42.50 0.00 z 174.50 542.00 707.07 a 1000.50 821.50 686.50 0.00 z 0.00 z 0.00 z 4017.57
1985 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 304.50 68.50 4.50 377.50
1986 17.00 73.50 162.50 173.00 392.50 711.50 792.00 880.50 480.00 402.50 150.50 3.00 4238.50
1987 0.50 38.50 59.50 368.50 603.47 a 760.50 766.00 885.00 694.50 567.50 95.50 33.50 4872.97
1988 15.50 96.00 129.00 237.00 349.50 654.50 1029.00 889.00 732.50 556.50 82.00 38.00 4808.50
1989 13.00 16.00 61.50 324.00 442.00 717.50 859.50 781.00 580.00 334.50 120.50 10.00 4259.50
1990 6.00 41.50 144.50 351.00 409.00 639.00 965.50 882.50 690.00 463.50 71.50 0.00 4664.00
1991 9.50 100.00 34.50 147.00 314.50 589.00 975.00 764.00 810.50 576.00 158.50 2.00 4480.50
1992 3.00 81.00 117.50 256.00 620.50 692.00 797.50 898.50 657.50 428.00 79.50 1.00 4632.00
1993 1.00 6.50 148.50 136.50 349.50 564.00 794.00 745.50 616.50 421.00 69.50 7.00 3859.50
1994 24.00 0.00 115.00 205.00 436.50 620.00 915.50 790.50 653.50 310.50 8.50 0.00 4079.00
1995 10.50 78.00 24.00 127.00 322.50 535.50 771.00 780.50 642.50 382.50 146.00 17.50 3837.50
1996 12.00 70.50 96.50 171.00 412.00 697.00 961.00 907.00 608.50 371.00 104.50 20.00 4431.00
1997 27.50 25.00 153.50 216.00 567.50 664.00 866.50 793.50 644.50 314.50 105.00 6.00 4383.50
1998 9.50 0.00 83.00 133.50 168.00 516.00 865.50 882.50 691.50 284.00 29.50 16.50 3679.50
1999 10.50 0.50 14.50 198.00 402.00 591.00 752.00 743.50 703.50 416.50 102.50 20.00 3954.50
2000 8.00 15.00 83.00 241.50 399.50 716.00 730.00 799.00 590.00 314.65 a 28.50 0.50 3925.65
2001 2.50 9.50 157.50 142.50 654.00 683.50 850.00 836.00 677.50 493.50 114.00 0.00 4620.50
2002 3.00 44.00 70.50 248.00 400.50 747.50 936.00 835.50 695.50 382.00 106.00 6.50 4475.00
2003 33.00 3.50 82.50 58.50 377.50 735.50 960.50 777.50 739.50 508.50 13.50 8.50 4298.50
2004 0.60 e 7.50 242.50 278.50 424.50 723.00 895.50 836.50 644.00 0.00 z 48.00 18.50 4119.10
2005 1.50 28.00 117.00 144.00 355.50 495.00 952.00 860.00 548.00 331.50 118.00 19.00 3969.50
2006 2.50 47.50 2.00 140.50 486.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 679.00
Period of Record Statistics
MEAN 10.92 35.20 84.07 198.19 439.00 669.66 879.90 828.98 656.72 392.82 91.56 14.22 4307.79
S.D. 12.44 30.38 51.60 82.78 93.35 81.45 74.38 65.94 68.01 80.38 44.38 17.38 287.54
SKEW 1.55 0.98 0.67 0.08 -0.17 -0.11 -0.22 -0.10 -0.15 0.49 0.25 2.20 -0.06
MAX 47.50 130.50 242.50 368.50 654.00 847.50 1029.00 985.50 810.50 576.00 189.50 88.50 4872.97
MIN 0.00 0.00 2.00 3.50 168.00 493.00 715.50 646.50 480.00 252.50 8.50 0.00 3679.50
NO YRS 57 56 55 57 57 55 57 57 57 56 57 55 51