BOWMAN DAM, CALIFORNIA

Monthly Total Growing Degree Days

(041018)

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 845.27 a 815.30 a 613.39 b 461.50 98.50 3.62 a 2837.58
1949 4.65 a 6.16 c 2.14 b 0.00 z 141.00 u 367.00 k 838.72 d 726.84 c 667.78 c 385.90 b 305.56 c 31.00 a 2968.74
1950 16.02 a 43.56 a 22.00 170.17 a 383.50 514.04 d 880.63 d 899.55 c 390.50 g 405.87 d 269.40 e 97.81 b 3702.55
1951 15.50 a 31.77 b 122.28 d 228.75 b 365.05 b 688.89 c 850.20 d 832.57 c 752.22 c 301.14 c 126.43 b 10.52 c 4325.32
1952 1.79 e 13.50 48.57 a 157.76 a 330.50 449.48 a 875.50 796.18 a 519.00 g 623.00 113.79 a 30.50 3440.57
1953 43.00 h 68.92 b 80.71 b 159.50 154.50 315.00 i 695.50 f 698.50 757.00 379.00 179.50 94.50 2572.13
1954 27.50 141.50 42.50 309.60 e 421.50 h 507.00 858.00 703.50 590.50 420.05 a 250.50 36.50 3887.15
1955 20.50 21.00 43.00 53.50 353.50 576.50 723.00 890.00 671.00 484.00 164.50 38.00 4038.50
1956 10.00 19.00 77.50 144.50 345.00 580.00 838.50 739.00 673.00 321.50 281.50 152.50 4182.00
1957 8.50 74.50 73.00 179.50 301.50 663.00 779.50 716.50 681.50 212.50 84.44 c 98.68 a 3873.13
1958 43.50 38.00 2.50 122.07 a 377.00 511.50 808.50 910.50 692.00 588.48 a 217.50 213.00 4524.55
1959 35.50 f 35.00 146.00 372.50 319.00 727.50 657.00 j 647.00 g 533.00 562.17 e 270.50 f 121.50 2816.67
1960 4.50 5.50 128.00 168.00 299.00 755.69 a 919.50 803.50 0.00 z 0.00 z 0.00 z 66.00 h 3083.69
1961 97.00 40.00 34.00 229.50 234.57 a 728.00 875.50 832.50 549.50 383.50 124.14 a 36.00 4164.20
1962 107.00 36.00 19.50 h 227.50 214.00 573.50 823.00 779.50 693.50 407.00 173.50 138.00 4172.50
1963 62.00 129.50 25.50 f 31.20 e 363.50 454.50 678.00 722.50 672.00 382.50 103.00 85.50 3684.20
1964 14.00 51.50 67.00 144.00 272.00 471.50 792.50 568.50 i 570.50 597.00 56.00 21.00 3057.00
1965 59.50 46.50 47.50 136.00 290.00 499.00 798.00 742.00 514.00 573.50 92.00 39.00 3837.00
1966 6.50 5.50 116.00 290.50 502.50 612.00 e 753.00 890.70 c 655.50 442.78 a 134.50 34.50 4443.98
1967 46.50 88.00 27.50 0.00 300.50 487.50 890.65 e 931.50 759.44 c 443.62 b 244.00 82.50 4301.72
1968 75.50 76.00 107.00 208.50 333.50 643.00 894.00 541.00 f 682.00 402.40 e 107.00 6.50 3535.40
1969 30.50 0.00 65.00 110.00 454.50 550.00 843.00 889.00 681.21 a 250.50 253.50 58.00 4185.21
1970 13.50 83.50 109.00 82.00 437.00 640.38 d 892.00 881.43 a 629.50 350.09 b 115.00 2.50 4235.90
1971 60.50 72.00 31.00 95.00 205.50 493.50 834.13 d 887.00 580.00 332.00 85.00 1.00 3676.63
1972 15.50 26.00 183.50 111.50 419.00 660.00 b 898.50 711.00 f 533.00 280.50 49.50 25.50 3202.50
1973 8.50 2.00 8.50 155.00 489.00 643.45 a 886.50 798.00 568.89 c 366.50 30.50 25.50 3982.34
1974 19.00 29.50 62.00 117.00 373.00 659.00 769.00 807.50 633.00 f 428.00 f 115.34 a 29.00 2980.34
1975 93.00 27.50 24.50 20.50 348.00 554.50 545.00 h 654.00 732.00 263.00 121.00 131.50 2969.50
1976 128.00 27.50 54.50 104.48 a 467.50 536.50 835.28 d 602.00 635.50 403.50 f 333.00 123.50 3847.76
1977 57.00 127.00 31.50 284.00 128.00 719.00 820.43 b 864.00 525.50 428.00 153.00 48.50 4185.93
1978 6.50 37.50 134.00 94.00 339.45 a 546.50 826.50 790.00 402.00 j 554.42 e 94.80 e 18.50 3442.17
1979 0.00 4.50 89.50 95.69 a 416.50 573.00 746.67 b 673.73 a 567.00 f 346.50 70.50 64.00 3080.60
1980 61.50 43.00 17.00 187.50 285.72 a 404.50 748.65 a 745.50 630.00 445.00 185.77 d 117.00 j 3754.14
1981 84.00 67.00 42.37 a 212.07 a 362.00 722.00 821.50 901.00 681.50 239.22 a 144.31 a 67.50 4344.46
1982 13.90 b 22.52 e 2.50 h 36.00 w 0.00 z 533.00 428.00 l 0.00 z 0.00 z 262.50 52.50 8.00 892.42
1983 42.00 9.00 7.50 22.50 301.50 459.50 589.50 747.58 e 632.50 391.00 44.00 2.58 a 3249.16
1984 90.13 d 59.00 96.00 95.50 406.00 504.00 891.00 830.00 691.50 204.00 23.50 7.00 3897.63
1985 72.00 55.50 26.50 272.50 324.50 721.50 892.00 773.00 418.00 347.50 92.00 92.50 4087.50
1986 81.50 61.00 176.00 143.00 375.50 664.00 734.00 868.50 379.00 316.50 170.50 47.50 4017.00
1987 1.00 26.50 31.00 320.50 411.00 658.00 646.00 817.50 693.00 e 518.00 74.50 1.00 4198.00
1988 33.00 102.50 65.50 147.50 272.00 529.50 902.50 947.00 743.00 676.50 74.00 92.50 4585.50
1989 56.50 18.00 27.50 270.50 310.00 610.00 797.50 583.50 550.00 327.00 186.50 110.50 3847.50
1990 13.00 40.00 97.00 248.00 244.50 570.50 829.77 a 128.00 z 428.00 i 472.00 155.00 22.22 a 2691.98
1991 13.43 a 62.50 j 5.00 i 84.50 154.50 i 525.00 a 223.50 x 353.00 q 776.40 e 543.50 182.50 46.50 2171.83
1992 27.00 23.82 a 66.00 103.50 m 581.00 556.00 485.00 i 863.50 657.00 455.50 152.00 5.00 j 3381.82
1993 0.00 j 8.50 94.00 88.00 296.00 478.50 678.50 714.50 640.50 403.50 143.00 7.00 3552.00
1994 55.00 2.00 136.40 a 84.00 k 324.50 562.00 937.00 874.50 673.00 329.00 11.00 1.50 3905.90
1995 0.00 i 64.50 5.00 55.00 90.00 t 423.00 707.50 752.00 686.00 424.50 f 300.50 30.50 m 2993.50
1996 55.50 n 44.50 m 73.00 p 47.50 u 297.00 613.00 574.50 l 958.00 586.00 384.50 147.50 24.28 a 3010.28
1997 23.50 39.50 147.50 141.00 514.50 558.50 800.50 487.00 k 636.50 256.00 j 105.50 l 18.00 j 2861.50
1998 2.50 i 0.00 i 50.00 i 85.50 i 48.00 m 447.50 579.00 j 473.50 o 470.00 i 210.00 j 30.50 m 15.00 x 447.50
1999 25.00 u 3.50 i 14.50 k 92.50 i 221.50 n 362.50 i 509.00 l 519.50 j 532.00 i 388.00 j 116.00 l 39.00 l 0.00
2000 3.00 l 12.00 i 39.00 k 170.50 i 217.00 k 466.00 k 461.50 l 585.00 j 404.50 k 182.50 o 48.00 g 52.00 k 0.00
2001 23.00 f 20.50 g 98.00 h 95.00 h 487.00 h 393.50 k 563.50 k 521.50 n 455.00 l 254.50 p 99.50 i 4.50 j 0.00
2002 12.00 65.00 67.50 233.50 260.50 j 726.50 594.50 l 501.00 m 431.00 l 416.00 190.50 31.50 n 1711.00
2003 54.50 p 29.00 i 79.50 i 30.50 j 285.50 h 539.50 i 739.50 h 804.50 645.50 f 530.00 f 21.00 h 27.00 j 804.50
2004 33.00 l 5.50 f 217.00 i 186.50 g 254.50 i 442.00 k 646.50 h 881.71 e 481.50 k 0.00 z 98.50 f 35.50 g 881.71
2005 20.50 p 8.50 m 94.00 f 50.50 j 203.00 f 311.00 h 0.00 z 725.50 f 442.00 h 283.50 i 157.50 i 41.00 g 0.00
2006 14.00 p 40.50 o 8.50 u 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 0.00
Period of Record Statistics
MEAN 38.49 44.08 68.51 158.31 343.69 577.24 815.11 803.17 635.41 406.09 143.26 53.98 4099.23
S.D. 33.39 34.34 47.94 87.12 92.08 92.80 77.91 89.94 86.71 111.79 78.49 49.39 300.18
SKEW 0.82 1.02 0.60 0.39 0.16 0.20 -0.88 -0.43 -0.86 0.38 0.59 1.08 -0.85
MAX 128.00 141.50 183.50 372.50 581.00 755.69 937.00 958.00 776.40 676.50 333.00 213.00 4585.50
MIN 0.00 0.00 2.14 0.00 128.00 404.50 589.50 583.50 379.00 204.00 11.00 1.00 3249.16
NO YRS 45 48 45 45 44 49 43 44 42 46 48 45 22