HENSHAW DAM, CALIFORNIA

Monthly Total Heating Degree Days

(043914)

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 0.00 0.00 45.00 175.00 451.50 684.00 1355.50
1949 918.50 646.00 574.00 299.00 244.00 47.68 b 2.00 33.50 19.00 255.00 275.00 657.00 3970.68
1950 756.50 461.50 495.00 302.50 290.76 b 122.50 0.50 3.50 87.00 129.00 327.00 459.50 3435.26
1951 690.50 566.50 521.50 378.50 270.14 c 125.50 15.00 6.64 c 0.00 183.00 415.50 672.00 3844.79
1952 719.00 553.50 654.00 349.00 141.50 144.50 0.00 0.00 22.50 69.00 527.50 652.50 3833.00
1953 489.50 565.50 562.50 447.00 413.50 143.50 0.00 22.50 43.00 236.00 388.00 614.32 a 3925.32
1954 697.50 434.00 601.00 301.00 178.77 a 90.00 0.00 20.50 26.50 180.50 343.50 635.00 3508.27
1955 763.00 23.50 z 86.00 w 433.00 305.00 130.00 43.50 0.00 84.50 177.00 469.50 593.50 2999.00
1956 614.00 710.00 525.50 455.00 238.00 52.00 25.83 a 33.00 4.00 256.00 401.00 548.50 3862.83
1957 682.00 385.00 466.00 371.50 312.00 38.50 3.00 19.50 52.00 278.50 516.50 520.00 3644.50
1958 619.00 459.50 630.50 374.50 138.50 89.00 9.50 0.00 21.50 94.00 423.00 444.50 3303.50
1959 531.00 581.00 374.50 198.00 251.50 28.00 0.00 9.00 62.50 148.00 358.50 535.50 3077.50
1960 749.00 586.00 404.50 330.50 238.50 22.50 2.00 12.00 27.00 237.50 481.55 a 666.50 3757.55
1961 598.50 498.50 547.00 328.00 293.50 77.00 3.00 0.50 77.50 235.00 499.00 635.50 3793.00
1962 648.50 555.00 632.50 239.00 318.00 113.00 9.00 2.50 23.50 198.00 413.00 590.50 3742.50
1963 716.50 363.50 580.50 498.50 242.32 a 131.50 8.00 3.00 18.62 a 139.00 434.00 603.00 3738.44
1964 711.00 620.00 599.00 448.50 297.00 110.00 3.50 8.50 42.50 96.00 537.50 608.00 4081.50
1965 618.00 552.50 561.62 a 393.50 249.00 190.50 6.00 3.00 130.50 131.00 391.00 610.50 3837.12
1966 683.50 598.00 435.50 278.50 156.50 74.00 5.50 1.00 48.00 191.00 392.50 558.00 3422.00
1967 601.50 496.00 465.00 597.50 245.00 145.50 0.00 0.00 9.00 101.00 276.00 713.00 3649.50
1968 641.00 400.00 472.00 408.50 218.00 73.50 3.00 33.00 57.00 192.00 423.00 735.00 3656.00
1969 518.00 606.00 557.50 363.50 177.50 125.00 9.00 0.00 10.00 289.50 376.00 609.50 3641.50
1970 619.00 479.00 506.00 503.00 197.50 67.00 0.00 a 0.00 32.50 210.50 373.50 658.00 3646.00
1971 595.00 494.50 403.50 328.00 287.00 128.50 5.50 0.00 65.00 326.50 509.50 762.00 3905.00
1972 669.00 496.50 286.50 349.00 207.00 36.50 0.50 7.00 59.00 282.50 528.00 690.50 3612.00
1973 729.50 525.00 646.00 384.50 195.00 73.50 4.50 18.27 c 96.96 b 244.00 495.50 624.00 4036.73
1974 668.05 a 545.00 474.50 368.00 243.00 35.17 a 15.00 2.00 8.00 220.00 427.50 688.00 3694.22
1975 622.00 581.50 570.00 551.50 224.00 59.50 0.00 5.00 7.50 0.00 z 459.00 569.00 3649.00
1976 598.00 499.50 515.50 412.00 136.40 a 0.00 z 5.00 30.00 48.50 209.50 399.50 659.00 3512.90
1977 635.00 471.50 648.00 342.00 394.73 a 55.50 4.13 a 0.50 0.00 z 0.00 z 405.00 480.00 3436.37
1978 0.00 z 527.00 441.50 409.50 0.00 z 39.50 0.00 z 12.00 0.00 z 92.00 499.00 712.00 2732.50
1979 730.00 569.00 510.43 b 326.50 195.30 a 0.00 z 18.50 8.50 0.00 190.50 525.50 0.00 z 3074.23
1980 518.50 412.00 501.50 302.00 313.62 a 101.50 1.00 0.00 b 11.00 t 129.50 j 395.89 b 488.00 3034.01
1981 531.00 441.50 518.50 300.50 192.50 1.00 0.00 0.00 19.00 0.00 z 408.50 518.00 2930.50
1982 650.00 467.00 530.50 377.50 233.50 146.50 28.00 1.00 82.50 267.00 542.00 686.00 4011.50
1983 241.00 q 309.50 i 535.50 518.00 245.50 100.50 16.50 3.00 20.50 141.50 446.00 571.50 2598.50
1984 579.00 539.00 446.50 397.50 107.00 64.50 0.00 0.00 13.50 0.00 z 542.50 711.50 3401.00
1985 693.50 573.00 579.00 299.00 231.50 67.00 0.50 13.50 134.00 249.50 520.50 612.00 3973.00
1986 480.50 489.50 407.00 381.50 237.00 36.00 9.00 0.00 203.50 309.00 447.00 641.50 3641.50
1987 720.50 593.00 593.00 267.00 206.50 43.50 64.00 25.00 57.00 161.00 504.50 788.00 4023.00
1988 669.50 468.00 435.00 350.00 222.50 96.50 0.00 9.50 68.00 75.00 424.00 665.00 3483.00
1989 711.50 545.00 396.50 225.50 211.00 47.00 1.00 24.00 52.50 217.00 406.00 592.00 3429.00
1990 612.50 595.50 430.50 278.50 235.50 53.50 0.50 13.50 41.00 113.50 405.50 719.50 3499.50
1991 595.50 382.00 606.50 359.00 256.50 98.00 1.00 8.00 13.00 133.00 353.00 576.00 3381.50
1992 615.50 442.50 460.50 188.50 48.00 41.00 4.00 6.50 3.50 132.00 448.00 0.00 z 2390.00
1993 595.00 511.00 354.50 245.50 93.00 71.50 21.00 17.50 45.50 167.50 421.50 605.00 3148.50
1994 529.50 550.50 390.50 322.00 214.50 36.50 5.00 0.00 28.50 245.00 612.50 626.50 3561.00
1995 601.50 321.00 426.50 393.00 313.00 103.00 6.50 0.00 13.50 99.00 262.00 520.00 3059.00
1996 556.00 421.50 432.00 253.50 129.50 31.50 0.00 2.00 12.50 244.50 384.50 562.00 3029.50
1997 570.50 505.50 352.50 316.50 0.00 z 61.00 6.50 0.00 1.50 264.50 421.50 696.00 3196.00
1998 605.00 601.00 523.00 466.50 382.50 0.00 z 5.50 0.50 105.00 a 334.50 510.50 722.00 4256.00
1999 654.50 585.41 a 571.29 c 574.00 299.15 a 124.14 a 7.00 29.00 29.50 134.00 345.52 a 603.00 3956.50
2000 520.00 502.00 474.00 272.00 114.00 24.00 13.00 2.00 42.50 257.82 a 553.00 527.50 3301.82
2001 700.50 588.00 416.00 410.00 74.00 14.00 14.50 4.50 7.50 117.50 407.00 716.00 3469.50
2002 678.00 523.00 565.00 345.50 231.00 34.00 0.00 8.50 31.00 310.50 408.00 733.00 3867.50
2003 528.00 571.00 526.00 540.50 0.00 z 83.00 1.50 0.00 16.00 81.00 561.00 748.50 3656.50
2004 742.50 701.50 377.00 384.00 232.00 74.00 25.00 14.00 91.50 365.00 653.50 675.50 4335.50
2005 625.00 549.50 511.50 456.50 237.50 134.00 11.00 3.50 149.00 203.50 351.50 541.00 3773.50
2006 602.00 479.00 603.50 393.00 98.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2176.00
Period of Record Statistics
MEAN 637.80 521.15 502.20 368.72 226.51 78.81 7.78 8.28 45.64 196.02 439.27 625.59 3664.26
S.D. 81.90 79.18 86.06 90.94 76.59 42.44 11.52 10.06 41.71 74.63 80.36 80.12 295.20
SKEW 0.48 -0.15 -0.21 0.43 -0.02 0.38 2.80 1.21 1.56 0.16 0.18 -0.23 -0.31
MAX 918.50 710.00 654.00 597.50 413.50 190.50 64.00 33.50 203.50 365.00 653.50 788.00 4335.50
MIN 480.50 321.00 286.50 188.50 48.00 1.00 0.00 0.00 0.00 69.00 262.00 444.50 3029.50
NO YRS 56 56 57 58 55 54 57 58 55 53 58 56 43