ELECTRA POWER HOUSE, CALIFORNIA

Monthly Total Growing Degree Days

(042728)

Base Temperature = 50 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 199707
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 794.00 731.00 639.50 411.50 124.50 4.50 2705.00
1949 0.00 25.00 68.00 335.50 448.00 730.00 847.00 706.50 674.00 383.00 251.50 9.50 4478.00
1950 39.00 69.00 98.50 303.50 499.50 642.50 935.00 881.00 633.00 444.00 215.00 74.00 4834.00
1951 8.00 68.00 128.50 282.00 490.00 663.50 859.50 824.00 712.50 381.50 163.50 13.50 4594.50
1952 19.50 49.00 86.00 284.50 515.50 529.00 946.50 829.00 749.50 523.00 122.00 12.00 4665.50
1953 64.00 41.00 91.50 237.50 310.00 516.50 915.00 729.50 745.00 392.50 174.50 23.50 4240.50
1954 8.50 56.00 56.00 345.50 535.50 622.50 913.00 729.50 587.00 383.50 125.00 19.50 4381.50
1955 3.00 32.00 110.50 102.50 450.50 605.50 766.00 869.50 664.00 417.00 116.50 57.50 4194.50
1956 24.50 7.00 109.00 235.50 448.50 678.00 864.50 762.50 683.50 376.00 129.00 10.50 4328.50
1957 3.50 114.50 136.50 245.50 407.00 745.50 853.50 737.50 665.00 350.50 64.00 11.50 4334.50
1958 11.50 124.50 40.50 218.00 528.00 619.50 856.50 976.50 735.00 557.00 178.50 90.00 4935.50
1959 52.50 34.00 197.00 370.00 414.50 690.00 a 933.50 795.00 583.00 463.50 126.50 11.00 4670.50
1960 29.50 27.50 173.50 209.50 386.00 771.00 932.00 816.50 669.00 356.00 80.50 8.78 a 4459.78
1961 19.50 47.00 71.00 239.50 304.50 740.00 876.50 863.50 578.00 386.50 56.50 18.48 e 4200.98
1962 6.50 12.50 38.50 313.00 342.50 646.00 814.50 768.00 632.00 362.50 154.00 44.50 4134.50
1963 6.50 130.50 45.00 93.50 384.00 526.50 646.50 709.00 700.50 430.50 92.50 6.00 3771.00
1964 0.50 10.50 87.00 202.50 342.00 574.00 814.00 782.00 526.50 493.00 66.00 53.00 3951.00
1965 9.50 39.00 98.00 226.50 411.00 514.50 791.50 804.00 514.50 485.00 142.50 0.00 4036.00
1966 4.00 23.50 158.00 353.00 524.50 670.50 730.00 864.00 642.00 417.50 186.00 16.00 4589.00
1967 13.50 21.50 73.00 15.00 419.00 578.50 904.50 959.00 721.50 432.50 211.50 5.00 4354.50
1968 6.50 129.50 139.00 236.50 400.00 700.00 862.50 707.00 620.00 363.50 113.50 18.50 4296.50
1969 26.50 10.50 104.50 195.50 496.00 563.50 857.50 857.50 711.50 285.50 122.00 28.00 4258.50
1970 68.00 79.00 111.00 120.50 510.00 659.00 894.00 794.00 623.50 362.50 154.00 13.00 4388.50
1971 19.50 29.00 84.50 163.00 315.50 559.00 847.50 847.50 621.00 331.00 55.50 3.00 3876.00
1972 6.50 55.00 231.00 196.00 479.00 677.00 854.50 797.50 542.50 346.00 40.00 19.00 4244.00
1973 11.00 44.00 32.50 249.00 560.50 726.00 818.50 765.00 568.00 346.00 84.00 11.50 4216.00
1974 40.50 13.00 109.00 166.00 422.00 658.00 795.50 797.50 695.50 467.00 94.00 9.00 4267.00
1975 5.50 39.50 53.50 80.50 436.00 622.00 776.00 741.50 730.50 319.50 58.00 6.20 a 3868.70
1976 8.00 45.50 86.00 155.50 514.00 622.50 826.50 657.00 664.50 458.50 184.50 0.50 4223.00
1977 4.00 75.00 49.00 315.50 265.50 759.50 837.00 844.00 633.00 441.00 113.50 45.00 4382.00
1978 53.50 51.00 223.50 158.00 452.50 605.50 845.00 806.50 581.50 516.67 a 83.00 4.00 4380.67
1979 7.00 12.50 109.50 193.45 a 509.00 658.00 815.00 730.00 706.50 425.50 106.50 42.50 4315.45
1980 42.50 74.00 55.50 234.00 373.00 508.50 823.00 743.00 625.00 472.50 141.00 37.72 a 4129.72
1981 72.33 d 58.50 58.50 255.50 462.00 757.50 805.50 794.00 627.50 289.50 174.50 24.00 4379.33
1982 0.00 62.00 67.00 165.00 441.50 533.00 764.00 770.50 567.00 356.50 33.50 1.00 3761.00
1983 13.00 61.00 90.00 115.00 404.00 578.00 678.50 791.50 668.00 461.50 94.00 33.00 3987.50
1984 10.00 17.00 141.00 157.00 526.50 625.50 925.00 788.50 748.00 271.00 60.00 10.50 4280.00
1985 0.50 46.50 25.00 k 301.50 382.50 687.00 858.50 710.50 512.00 355.50 82.50 18.00 3955.00
1986 66.00 114.00 223.50 235.00 447.00 661.50 800.00 818.00 453.00 0.00 z 118.00 6.50 3942.50
1987 8.50 50.00 103.00 372.00 569.50 698.50 651.00 781.50 641.50 528.00 0.00 z 43.50 4447.00
1988 32.50 82.00 142.50 276.50 385.00 627.00 945.50 810.00 647.50 460.00 115.50 4.50 4528.50
1989 4.00 37.50 132.00 307.50 399.00 605.00 756.50 678.50 551.50 331.00 99.00 1.00 3902.50
1990 11.50 20.50 128.50 297.00 393.00 0.00 z 842.00 755.50 0.00 z 433.00 87.00 6.00 2974.00
1991 2.50 95.50 36.50 132.00 328.00 532.00 0.00 z 693.00 733.50 532.00 149.00 9.00 3243.00
1992 0.00 87.00 144.00 300.50 579.00 636.50 744.50 0.00 z 620.00 438.50 106.00 0.00 z 3656.00
1993 6.50 27.00 163.27 a 164.48 a 399.50 546.50 726.50 715.14 b 611.00 441.00 82.00 7.50 i 3882.89
1994 13.50 15.04 a 137.50 207.50 193.50 m 554.50 0.00 z 0.00 z 427.00 g 290.50 21.00 m 0.00 k 1218.54
1995 14.50 o 29.50 l 45.50 l 55.00 q 163.00 o 0.00 z 351.50 p 0.00 z 0.00 z 146.50 u 0.00 z 0.00 z 0.00
1996 2.50 q 43.50 p 60.50 p 59.50 t 0.00 z 337.00 n 419.00 q 475.50 n 284.50 o 152.00 p 0.00 z 23.00 r 0.00
1997 0.00 z 0.00 z 130.00 l 133.50 m 265.00 q 352.50 o 428.50 o 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
Period of Record Statistics
MEAN 18.77 51.37 107.15 225.27 435.78 631.66 829.86 785.16 639.08 408.04 118.46 20.08 4285.24
S.D. 20.44 33.73 50.99 82.30 76.17 73.65 74.07 67.57 70.60 70.84 48.95 20.32 272.83
SKEW 1.35 0.84 0.69 -0.25 -0.10 0.07 -0.56 0.64 -0.41 0.08 0.55 1.62 0.10
MAX 72.33 130.50 231.00 372.00 579.00 771.00 946.50 976.50 749.50 557.00 251.50 90.00 4935.50
MIN 0.00 7.00 32.50 15.00 265.50 508.50 646.50 657.00 453.00 271.00 33.50 0.00 3761.00
NO YRS 46 46 45 46 45 45 45 45 45 46 45 44 38