BOWMAN DAM, CALIFORNIA

Monthly Total Heating Degree Days

(041018)

Base Temperature = 65 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 55.80 a 17.05 a 193.93 b 319.50 699.50 1078.80 a 2364.58
1949 1191.95 a 945.28 c 918.78 b 0.00 z 109.00 u 123.50 k 23.54 d 91.89 c 122.22 c 404.60 b 463.33 c 897.45 a 5059.04
1950 1156.82 a 766.37 a 918.50 621.72 a 438.50 269.42 d 20.67 d 1.11 c 190.00 g 372.57 d 513.60 e 710.86 b 5790.14
1951 959.97 a 851.31 b 796.24 d 533.04 b 430.26 b 118.89 c 26.41 d 34.32 c 74.44 c 479.95 c 697.50 b 989.79 c 5992.10
1952 1113.02 e 876.50 1023.00 a 597.93 a 444.50 301.55 a 10.00 20.15 a 92.50 g 171.50 718.45 a 894.50 6171.10
1953 590.50 h 692.46 b 786.76 b 672.50 657.50 210.00 i 4.50 f 121.00 75.50 398.50 602.50 730.00 4736.72
1954 845.00 633.50 874.00 442.80 e 168.50 h 283.00 22.00 102.50 175.00 355.98 a 516.50 852.50 5102.78
1955 982.50 839.50 863.50 801.00 429.50 196.50 104.50 5.50 170.00 293.50 699.50 874.00 6259.50
1956 926.50 863.50 747.50 642.50 430.00 206.50 48.00 62.00 102.00 482.00 479.50 681.50 5671.50
1957 1019.00 700.50 736.50 575.00 474.00 123.00 29.00 88.50 119.00 570.00 728.89 c 772.42 a 5935.81
1958 833.50 763.00 984.00 686.90 a 398.00 244.00 44.50 1.00 103.50 198.40 a 577.00 586.50 5420.30
1959 696.50 f 862.50 643.50 377.50 469.00 91.50 6.50 j 49.50 g 247.00 227.73 e 329.50 f 725.00 3643.73
1960 1052.50 891.00 740.50 631.00 498.50 53.79 a 10.50 68.50 0.00 z 0.00 z 0.00 z 545.50 h 3946.29
1961 720.50 747.00 884.50 572.50 547.15 a 142.00 33.00 40.00 200.50 423.00 706.55 a 913.00 5929.70
1962 845.00 914.50 732.00 h 531.50 569.00 181.50 25.00 60.00 95.00 370.50 614.50 673.00 4879.50
1963 810.50 578.50 701.50 f 891.00 e 420.50 296.00 113.00 75.00 121.00 400.00 718.00 746.50 5170.00
1964 932.50 750.50 889.00 669.00 549.00 293.50 53.50 36.00 i 182.50 194.50 847.00 915.50 6276.50
1965 883.50 732.00 781.50 703.50 503.50 251.50 41.00 74.50 238.00 210.50 725.50 945.00 6090.00
1966 987.50 916.50 777.00 474.50 272.50 175.20 e 84.50 37.64 c 128.00 332.73 a 673.50 848.50 5708.08
1967 851.00 664.50 901.00 1030.50 500.50 289.50 1.79 e 4.00 45.00 c 331.38 b 540.50 955.50 6115.17
1968 873.50 693.50 737.50 560.00 451.50 151.00 9.50 142.00 f 112.50 376.77 e 698.00 1048.50 5712.27
1969 981.50 979.00 854.50 681.50 324.00 207.00 20.50 2.50 101.90 a 534.00 516.00 809.50 6011.90
1970 893.50 666.50 748.00 752.50 346.50 180.00 d 9.00 2.07 a 143.00 451.10 b 681.00 1024.00 5897.17
1971 868.00 757.00 878.00 724.00 580.00 260.00 44.20 d 23.50 229.00 523.50 730.00 1080.00 6697.20
1972 941.00 792.50 639.00 690.00 364.00 114.11 b 28.50 46.50 f 224.50 509.50 783.00 1017.00 6103.11
1973 1031.00 800.00 930.00 631.00 300.50 159.83 a 16.00 61.00 203.33 c 414.50 895.00 858.50 6300.66
1974 937.00 763.50 814.00 694.00 416.50 116.50 86.50 32.50 17.50 f 203.50 f 645.00 a 871.00 5376.50
1975 831.50 843.50 939.50 917.50 450.00 206.00 83.50 h 148.00 51.00 533.00 739.50 701.00 6360.50
1976 733.00 819.50 855.00 703.97 a 312.00 231.00 25.83 d 195.50 151.00 221.50 f 429.50 668.00 5124.30
1977 843.50 633.50 920.50 476.00 709.00 112.50 38.48 b 37.00 250.50 350.00 660.50 804.50 5835.98
1978 895.50 791.00 675.00 734.50 439.68 a 212.50 54.00 117.50 108.50 j 236.08 e 793.80 e 939.00 5888.56
1979 1014.50 903.00 789.00 697.24 a 382.00 182.50 112.24 b 136.92 a 73.00 f 451.50 754.50 856.00 6279.40
1980 802.50 737.00 877.00 616.00 520.80 a 345.50 100.23 a 62.00 133.50 385.00 579.81 d 446.00 j 5159.34
1981 774.00 709.50 822.53 a 559.66 a 414.50 102.50 29.00 19.50 127.00 566.27 a 661.03 a 788.00 5573.49
1982 974.90 b 782.78 e 712.50 h 151.50 w 0.00 z 224.50 77.00 l 0.00 z 0.00 z 519.50 805.50 954.50 4261.68
1983 873.00 844.50 952.50 877.50 501.50 290.50 201.00 84.65 e 143.00 384.00 826.00 984.25 a 6962.40
1984 790.50 d 815.00 716.00 744.00 382.50 249.00 11.50 21.50 106.00 610.00 853.00 991.50 6290.50
1985 819.00 811.00 923.50 500.50 450.50 115.50 27.50 55.50 343.00 442.50 842.50 788.00 6119.00
1986 717.00 775.00 680.00 636.50 439.00 119.50 76.00 5.50 438.50 460.00 599.00 810.00 5756.00
1987 1016.00 844.00 896.00 444.00 373.00 144.00 170.50 43.50 96.60 e 271.50 717.50 1094.00 6110.60
1988 995.50 698.50 754.50 653.00 540.00 270.00 29.50 21.00 122.50 112.50 789.00 875.00 5861.00
1989 921.00 941.50 878.50 544.50 467.50 144.50 36.00 191.50 200.50 473.50 607.00 672.00 6078.00
1990 930.00 944.50 766.50 508.50 533.00 196.00 39.27 a 0.00 z 106.00 i 304.00 658.00 1016.28 a 5896.05
1991 841.65 a 398.50 j 760.00 i 714.50 417.00 i 232.24 a 0.00 x 17.00 q 58.20 e 290.50 609.00 803.00 3549.09
1992 831.00 827.02 a 770.50 323.50 m 198.50 211.00 86.50 i 27.50 102.00 324.50 621.50 692.00 j 3913.52
1993 738.50 j 922.00 725.00 718.00 482.50 292.50 102.00 104.50 137.00 377.00 642.50 921.00 5424.00
1994 825.00 900.50 669.60 a 426.00 k 466.50 206.50 3.50 6.00 104.00 446.00 1007.50 1069.50 5704.60
1995 758.50 i 718.00 1014.50 833.50 198.50 t 343.50 103.00 86.00 81.50 200.50 f 449.50 467.50 m 3629.50
1996 438.00 n 441.00 m 337.00 p 178.00 u 479.00 156.00 12.00 l 11.00 178.50 442.00 631.00 881.43 a 2778.93
1997 900.00 740.50 679.50 643.00 260.50 194.50 51.50 40.00 k 129.00 270.50 j 365.50 l 615.00 j 3598.50
1998 694.00 i 643.00 i 559.50 i 538.50 i 430.00 m 302.50 17.00 j 16.00 o 106.50 i 315.00 j 431.50 m 179.50 x 302.50
1999 250.50 u 593.00 i 577.50 k 513.00 i 203.50 n 172.50 i 24.00 l 50.50 j 32.00 i 137.00 j 357.50 l 502.50 l 0.00
2000 555.00 l 597.50 i 535.50 k 366.50 i 303.00 k 70.50 k 48.50 l 11.00 j 95.50 k 231.00 o 609.50 g 482.00 k 0.00
2001 755.50 f 646.00 g 512.50 h 543.00 h 104.50 h 105.50 k 28.50 k 0.00 n 29.00 l 126.00 p 492.50 i 670.50 j 0.00
2002 979.00 708.50 857.00 551.00 271.50 j 54.00 0.00 l 27.50 m 47.50 l 359.00 560.00 468.50 n 4068.50
2003 324.50 p 488.50 i 505.50 i 544.00 j 308.50 h 47.00 i 5.50 h 42.50 54.00 f 106.50 f 597.50 h 602.00 j 42.50
2004 515.00 l 697.00 f 357.50 i 404.00 g 297.00 i 64.50 k 22.50 h 32.19 e 27.00 k 0.00 z 537.50 f 643.00 g 32.19
2005 447.50 p 393.00 m 619.00 f 494.50 j 430.00 f 241.00 h 0.00 z 1.00 f 121.00 h 266.50 i 387.50 i 591.00 g 0.00
2006 427.00 p 330.00 o 317.50 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 909.88 794.82 822.86 650.24 445.84 200.91 50.51 56.26 151.43 384.45 673.06 869.24 6028.00
S.D. 107.45 94.51 100.29 133.44 99.09 74.28 43.96 49.61 77.01 114.55 122.58 129.32 346.93
SKEW 0.49 -0.06 -0.01 0.49 0.01 0.00 1.55 1.10 1.57 -0.27 0.18 -0.11 0.86
MAX 1191.95 979.00 1023.00 1030.50 709.00 345.50 201.00 195.50 438.50 610.00 1007.50 1094.00 6962.40
MIN 717.00 578.50 639.00 377.50 198.50 53.79 1.79 1.00 45.00 112.50 429.50 586.50 5420.30
NO YRS 45 48 45 45 44 49 43 44 42 46 48 45 22