MIDKIFF, TEXAS

Monthly Total Heating Degree Days

(415888)

Base Temperature = 65 F

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 199602
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
1981 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 4.50 144.00 0.00 z 539.00 687.50
1982 688.00 595.00 261.00 120.00 30.50 0.00 0.00 0.00 0.00 128.50 377.50 438.50 i 2200.50
1983 716.00 490.00 a 336.00 230.00 13.00 22.00 0.00 c 0.00 16.00 82.50 293.00 903.00 3101.50
1984 814.50 505.00 356.00 126.00 9.00 0.00 0.00 0.00 43.50 146.00 419.00 510.00 2929.00
1985 824.00 607.00 303.80 a 66.00 2.00 2.00 0.00 0.00 30.00 93.00 273.50 731.00 2932.30
1986 626.00 401.00 200.98 a 18.60 e 3.50 0.00 0.00 0.00 1.50 137.43 a 412.50 681.50 2483.02
1987 703.00 492.50 499.00 243.50 17.00 0.00 0.00 0.00 6.50 44.50 408.62 a 664.50 3079.12
1988 793.50 570.00 373.50 116.50 25.83 a 0.00 0.00 0.00 h 9.00 79.00 306.21 a 660.00 2933.54
1989 600.00 577.11 a 326.50 124.00 1.50 0.00 0.00 0.00 38.50 95.00 356.00 830.00 2948.61
1990 580.00 329.00 343.00 116.50 69.50 0.00 0.00 0.00 0.00 l 130.00 311.00 700.00 2579.00
1991 769.50 446.00 279.00 80.00 8.50 0.00 0.00 0.00 31.55 a 87.00 0.00 z 602.00 2303.55
1992 721.50 320.50 f 0.00 z 0.00 z 0.00 z 0.00 0.00 0.00 0.00 42.50 460.00 590.00 1814.00
1993 694.50 491.00 332.00 133.50 0.00 z 0.00 0.00 0.00 z 7.00 177.50 503.00 546.00 2884.50
1994 626.50 0.00 z 0.00 z 122.00 30.50 0.00 0.00 i 0.00 11.50 85.50 302.50 506.00 1684.50
1995 611.50 369.19 a 111.50 o 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 149.50 p 617.50 1598.19
1996 0.00 z 423.00 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 z 423.00
Period of Record Statistics
MEAN 697.75 484.29 328.25 124.72 19.17 1.85 0.00 0.00 15.35 105.17 368.57 648.61 2912.26
S.D. 81.33 88.21 74.84 61.90 19.87 6.08 0.00 0.00 15.25 39.60 73.28 116.74 223.57
SKEW 0.14 -0.19 0.65 0.54 1.52 3.13 0.00 0.00 0.72 0.07 0.35 0.75 -1.33
MAX 824.00 607.00 499.00 243.50 69.50 22.00 0.00 0.00 43.50 177.50 503.00 903.00 3101.50
MIN 580.00 329.00 200.98 18.60 1.50 0.00 0.00 0.00 0.00 42.50 273.50 506.00 2483.02
NO YRS 14 13 11 12 11 13 12 12 13 14 12 14 6