LANCASTER FSS, CALIFORNIA

Monthly Total Heating Degree Days

(044749)

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
1974 0.00 z 0.00 z 0.00 z 0.00 z 70.00 0.00 0.00 0.00 0.00 117.00 459.00 726.00 1372.00
1975 676.00 519.50 493.50 447.00 90.50 16.00 0.00 0.00 0.00 222.00 496.50 649.50 3610.50
1976 678.50 481.00 461.50 325.00 26.00 17.00 0.00 2.00 3.50 110.50 374.00 735.00 3214.00
1977 685.00 441.50 588.00 140.50 235.00 4.50 0.00 0.00 11.00 56.50 382.00 452.50 2996.50
1978 585.50 456.00 329.50 326.00 82.00 0.50 0.00 0.00 42.50 67.00 489.50 799.00 3177.50
1979 760.00 645.50 433.50 211.50 72.00 5.50 0.00 0.00 0.00 115.00 499.50 647.00 3389.50
1980 501.50 434.00 491.50 236.50 184.00 17.00 0.00 0.00 1.00 178.00 397.00 538.00 2978.50
1981 554.00 427.00 430.50 170.00 51.00 0.00 0.00 0.00 0.00 206.50 355.50 479.50 2674.00
1982 694.00 450.00 508.00 273.00 69.00 11.00 0.00 0.00 45.50 184.00 508.50 693.00 3436.00
1983 626.00 476.50 412.50 415.00 124.50 15.00 0.00 0.00 13.00 66.00 424.50 549.50 3122.50
1984 589.50 544.50 317.00 249.50 31.50 5.00 0.00 0.00 1.00 226.50 472.50 875.50 3312.50
1985 722.00 513.50 496.00 119.50 62.50 11.00 0.00 0.00 38.50 160.50 456.00 647.50 3227.00
1986 511.50 407.00 304.00 243.50 64.50 0.00 0.00 0.00 84.50 185.00 377.00 694.50 2871.50
1987 762.00 492.00 442.50 108.00 70.50 0.00 1.50 1.00 0.50 48.50 439.50 771.50 3137.50
1988 658.50 475.00 381.00 224.50 118.50 31.50 0.00 0.00 14.50 11.50 399.50 688.00 3002.50
1989 745.00 564.00 266.00 88.50 71.00 10.00 0.00 0.00 20.50 184.00 387.00 676.50 3012.50
1990 678.00 552.50 317.00 136.00 71.50 13.50 0.00 0.00 0.50 91.00 448.45 a 881.00 3189.45
1991 690.00 287.00 g 438.00 h 248.50 139.50 4.00 0.00 0.00 2.00 75.29 c 422.00 660.96 c 2242.25
1992 716.50 459.00 391.00 96.43 b 1.00 11.50 0.00 0.00 0.00 68.00 501.00 783.00 3027.43
1993 685.50 508.00 303.00 144.00 30.00 29.00 0.00 0.00 12.00 130.00 507.50 717.00 3066.00
1994 654.00 580.00 298.00 175.50 82.00 0.00 0.00 0.00 3.50 177.00 632.68 b 670.50 3273.18
1995 586.00 345.50 414.00 276.50 150.00 45.50 0.00 0.00 3.50 82.00 252.00 554.50 2709.50
1996 511.50 401.50 354.50 151.00 20.00 8.50 0.00 0.00 1.00 191.50 357.00 0.00 z 1996.50
1997 0.00 z 513.50 266.50 165.00 1.00 4.00 0.00 0.00 0.00 170.00 0.00 z 722.00 1842.00
1998 553.00 530.00 399.79 b 361.50 212.00 36.50 0.00 0.00 25.50 196.00 447.00 714.00 3475.29
1999 537.50 459.50 444.50 341.00 52.00 134.00 0.00 0.00 0.00 76.50 378.50 0.00 z 2423.50
2000 0.00 z 480.00 366.00 118.50 53.50 5.50 0.00 0.00 z 10.00 172.00 575.50 618.50 2399.50
2001 710.50 565.00 269.00 276.00 17.50 0.00 0.00 0.00 0.00 40.00 356.00 686.50 2920.50
2002 715.00 487.50 441.00 163.00 55.50 0.00 0.00 0.00 8.00 127.50 393.00 644.50 3035.00
2003 488.00 534.00 335.50 343.00 107.50 0.50 0.00 0.00 0.00 28.00 516.00 653.00 3005.50
2004 665.00 566.00 165.50 116.50 14.00 4.00 0.00 0.00 16.00 170.00 506.00 665.00 2888.00
2005 562.00 461.00 384.50 268.50 52.50 3.50 0.00 0.00 1.50 104.50 341.00 582.50 2761.50
2006 606.50 493.00 533.50 295.86 a 23.50 0.00 a 0.00 k 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1952.36
Period of Record Statistics
MEAN 636.93 492.35 388.33 226.71 75.92 13.45 0.05 0.10 11.23 126.18 437.13 672.52 3096.69
S.D. 81.94 61.33 93.52 96.87 57.16 24.48 0.27 0.40 18.53 61.74 77.48 98.95 233.08
SKEW -0.31 0.08 -0.09 0.43 1.14 3.84 5.39 4.14 2.40 -0.10 0.19 -0.08 0.23
MAX 762.00 645.50 588.00 447.00 235.00 134.00 1.50 2.00 84.50 226.50 632.68 881.00 3610.50
MIN 488.00 345.50 165.50 88.50 1.00 0.00 0.00 0.00 0.00 11.50 252.00 452.50 2674.00
NO YRS 30 31 31 32 33 33 32 31 32 32 31 30 26