SALT SPRINGS PWR HOUSE, CALIFORNIA

Monthly Total Heating Degree Days

(047689)

Base Temperature = 65 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 199811
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 35.00 15.00 105.50 216.00 515.50 863.50 1750.50
1949 887.00 713.00 674.00 267.50 245.50 31.50 0.00 2.50 25.50 206.50 177.00 675.00 3905.00
1950 934.00 467.00 557.00 273.50 202.00 107.00 0.00 6.50 66.00 169.50 283.00 489.50 3555.00
1951 712.50 599.00 507.50 306.00 205.50 42.50 1.00 11.00 11.00 219.00 451.00 744.00 3810.00
1952 858.50 630.50 731.50 318.50 154.50 135.50 1.00 0.00 42.00 45.50 478.00 730.57 a 4126.07
1953 538.50 466.50 538.00 388.00 423.00 165.50 0.00 27.50 11.00 207.00 393.50 513.50 3672.00
1954 687.00 334.50 627.50 232.00 106.00 142.00 0.00 22.00 42.50 146.22 a 301.50 625.50 3266.72
1955 797.50 605.00 518.00 567.00 214.00 69.50 19.50 0.00 34.00 88.50 475.50 671.00 4059.50
1956 707.00 676.84 a 474.82 a 410.50 231.00 58.45 a 2.50 2.50 19.66 a 294.00 277.00 498.50 3652.76
1957 823.50 506.50 529.50 365.50 289.00 37.50 0.00 17.50 30.00 296.00 490.00 523.00 3908.00
1958 582.50 529.00 718.00 411.50 112.00 127.50 14.00 0.00 21.50 76.50 373.50 327.00 3293.00
1959 562.50 632.50 359.50 145.00 297.00 21.50 0.50 19.52 d 92.50 116.00 220.50 477.50 2944.52
1960 787.00 636.50 435.50 374.50 267.00 4.00 0.00 11.76 b 2.00 120.00 f 528.33 c 549.65 e 3596.25
1961 514.37 d 512.00 607.08 a 364.50 347.50 54.50 8.50 1.00 51.00 238.00 484.14 a 637.50 3820.09
1962 578.00 660.50 697.50 253.00 363.00 68.00 2.00 13.50 37.50 181.35 a 374.00 470.00 3698.35
1963 628.00 370.00 643.00 647.00 253.00 155.00 21.00 11.50 37.00 202.50 482.00 500.50 3950.50
1964 702.00 507.00 598.50 407.50 314.50 133.00 4.00 2.00 37.00 83.50 592.00 685.50 4066.50
1965 649.00 454.00 539.00 471.00 255.50 112.00 1.00 2.50 86.00 66.50 484.50 705.00 3826.00
1966 759.00 662.00 475.50 213.00 104.00 83.50 10.00 9.50 38.50 100.00 420.50 629.00 3504.50
1967 642.00 415.50 656.50 810.00 256.50 138.00 0.00 0.00 8.50 110.00 333.00 786.00 4156.00
1968 654.00 476.00 492.00 335.00 239.00 51.50 0.00 62.50 22.50 180.00 485.50 830.00 3828.00
1969 724.00 768.00 614.50 419.50 138.00 112.00 0.00 0.00 20.50 304.50 325.00 637.50 4063.50
1970 686.00 474.00 516.00 533.00 160.00 111.00 0.00 0.00 35.00 221.50 437.00 832.00 4005.50
1971 677.50 511.50 573.00 463.00 359.00 101.50 1.00 3.50 92.00 344.00 511.50 909.50 4547.00
1972 725.00 538.50 350.00 428.50 176.00 50.50 3.00 15.50 71.50 307.00 579.50 806.50 4051.50
1973 797.50 596.50 723.00 365.00 125.00 60.00 2.00 18.50 35.00 205.50 661.00 674.50 4263.50
1974 735.00 570.50 558.00 448.00 204.00 19.00 32.50 1.50 0.00 171.50 442.50 685.00 3867.50
1975 609.50 653.50 681.50 665.00 189.50 66.00 17.50 20.00 2.50 306.50 506.50 506.00 4224.00
1976 544.00 592.00 590.00 479.50 103.00 93.50 2.00 67.00 60.50 153.50 260.50 505.82 a 3451.32
1977 680.00 408.07 a 645.00 223.00 451.00 26.00 0.50 0.00 58.50 93.00 365.50 550.50 3501.07
1978 623.00 565.00 390.00 516.00 181.00 53.50 14.50 20.50 96.00 44.43 a 523.00 727.98 a 3754.92
1979 792.00 650.00 534.50 416.50 169.50 36.00 11.50 14.00 6.50 211.00 488.00 524.00 3853.50
1980 642.00 533.50 570.50 373.50 320.00 147.00 8.00 3.00 24.50 202.50 348.00 472.50 3645.00
1981 559.00 506.00 588.00 323.50 179.00 21.00 0.00 0.00 29.50 296.50 458.50 0.00 z 2961.00
1982 828.50 509.50 689.50 500.00 185.50 109.00 25.00 0.00 128.00 251.50 553.00 680.00 4459.50
1983 602.50 580.00 646.00 595.50 248.00 73.50 50.00 14.50 51.50 156.50 574.00 730.00 4322.00
1984 472.00 546.50 421.50 449.50 142.50 77.00 0.00 0.00 12.50 341.50 623.00 761.50 3847.50
1985 635.00 525.50 655.00 135.50 s 198.50 38.50 2.00 5.00 148.50 222.00 620.00 543.50 3593.50
1986 486.00 518.00 403.00 392.50 223.50 21.00 0.50 0.00 231.00 0.00 z 332.00 576.00 3183.50
1987 753.50 559.00 559.00 154.50 167.00 13.00 25.50 2.00 9.50 92.00 0.00 z 816.50 3151.50
1988 709.50 392.00 391.00 323.50 244.00 95.50 0.00 z 0.00 28.50 25.00 506.50 715.50 3431.00
1989 689.50 661.50 513.00 235.50 212.50 25.50 0.50 2.00 46.50 225.50 290.36 b 470.00 3372.36
1990 677.50 653.00 441.50 228.00 248.50 46.50 0.50 20.50 18.50 65.50 392.50 764.00 3556.50
1991 607.50 340.00 769.04 e 445.00 303.50 68.50 0.00 z 0.00 4.00 0.00 z 374.44 c 617.00 3528.98
1992 599.50 511.50 486.00 215.50 29.00 77.00 10.00 0.00 0.00 z 111.50 428.50 0.00 z 2468.50
1993 820.50 665.50 410.50 380.00 0.00 z 113.00 7.50 13.90 b 20.50 j 159.00 458.79 a 673.00 3701.69
1994 553.00 652.00 389.00 328.50 205.63 a 38.50 0.00 0.00 46.67 c 203.00 726.00 697.50 3839.80
1995 474.00 k 399.50 625.50 259.50 l 0.00 z 0.00 z 1.00 q 0.00 z 21.50 p 0.00 z 0.00 z 412.00 k 1025.00
1996 341.00 p 287.50 k 312.50 l 0.00 z 143.50 j 30.00 o 0.00 o 0.00 z 0.00 z 0.00 z 251.50 n 0.00 z 0.00
1997 396.50 m 0.00 z 0.00 z 191.00 p 67.50 n 46.00 j 3.50 t 0.00 z 11.00 n 159.50 l 204.00 p 268.50 t 0.00
1998 328.00 p 0.00 z 296.50 o 512.00 0.00 z 0.00 z 0.00 m 0.00 z 0.00 z 133.00 n 341.50 l 0.00 z 512.00
Period of Record Statistics
MEAN 678.98 547.54 555.61 390.75 223.17 74.60 7.42 9.78 46.18 180.84 443.60 640.18 3828.88
S.D. 107.67 101.21 109.04 137.18 86.35 43.43 11.37 14.19 44.24 85.64 118.36 130.21 340.85
SKEW 0.23 -0.19 -0.10 0.62 0.46 0.35 1.91 2.53 2.07 0.08 -0.03 -0.06 -0.21
MAX 934.00 768.00 769.04 810.00 451.00 165.50 50.00 67.00 231.00 344.00 726.00 909.50 4547.00
MIN 472.00 334.50 350.00 145.00 29.00 4.00 0.00 0.00 0.00 25.00 177.00 327.00 2944.52
NO YRS 46 47 47 46 45 46 45 47 45 44 46 45 37