SALT FLAT 10 ENE, TEXAS

Monthly Total Heating Degree Days

(417921)

Base Temperature = 65 F

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 197712
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
1959 636.53 a 484.62 b 381.96 c 151.00 9.50 0.00 0.00 0.00 1.50 85.00 524.50 631.50 2906.11
1960 756.00 627.64 a 353.50 74.44 c 33.50 0.00 0.00 0.00 0.00 109.50 410.00 825.00 3189.59
1961 782.50 506.50 319.30 a 174.00 8.50 0.00 a 0.00 0.00 0.00 c 115.73 a 576.72 a 576.50 3059.76
1962 820.00 343.50 460.00 83.00 12.50 0.00 0.00 b 0.00 a 12.00 98.50 366.00 673.50 2869.00
1963 901.50 505.50 309.50 77.50 9.50 0.00 0.00 0.00 7.00 40.00 370.50 786.00 3007.00
1964 851.00 747.50 447.50 142.50 5.50 8.89 c 0.00 0.00 11.00 156.66 c 427.50 693.00 3491.05
1965 426.50 i 618.50 550.77 a 89.00 11.50 0.00 0.00 0.00 6.00 156.50 263.50 631.50 2327.27
1966 842.50 695.00 293.50 89.00 21.50 0.00 0.00 3.50 2.00 164.00 319.50 701.00 3131.50
1967 727.50 513.33 a 214.50 69.31 a 35.50 j 0.00 0.00 0.00 19.00 129.50 368.50 774.50 2816.14
1968 719.00 526.50 459.50 145.00 3.00 0.00 0.00 0.00 9.50 112.00 423.00 714.50 3112.00
1969 555.50 502.00 589.52 a 73.00 25.50 0.00 0.00 0.00 0.00 167.50 513.00 648.50 3074.52
1970 731.50 548.50 514.50 143.00 35.00 2.50 0.00 0.00 63.50 263.00 466.00 539.00 3306.50
1971 651.00 527.00 300.00 137.00 18.50 0.00 0.00 0.00 54.50 135.50 385.50 615.00 2824.00
1972 596.50 518.00 183.50 81.00 18.50 3.10 a 0.00 0.00 10.50 131.00 561.50 712.00 2815.60
1973 817.00 649.50 399.50 260.00 49.50 0.00 0.00 0.00 13.50 119.50 350.00 653.50 3312.00
1974 707.00 550.00 222.00 98.50 11.92 e 0.00 0.00 0.00 77.00 132.50 455.00 716.10 a 2970.02
1975 727.50 556.50 370.00 234.00 39.00 0.00 0.00 0.00 62.50 119.50 459.50 743.50 3312.00
1976 788.00 439.50 326.50 116.50 71.00 0.00 0.00 z 0.00 20.00 286.50 728.00 0.00 z 2776.00
1977 761.05 a 555.00 495.50 138.00 0.00 0.00 0.00 0.00 0.00 110.05 a 437.50 605.00 3102.10
Period of Record Statistics
MEAN 742.87 548.14 378.48 125.04 21.33 0.76 0.00 0.18 19.45 138.55 442.41 679.98 3092.67
S.D. 91.10 91.11 115.30 53.86 18.30 2.16 0.00 0.80 24.89 56.51 106.34 75.24 194.87
SKEW -0.36 0.19 0.10 1.13 1.26 3.11 0.00 4.01 1.30 1.25 0.88 0.08 0.32
MAX 901.50 747.50 589.52 260.00 71.00 8.89 0.00 3.50 77.00 286.50 728.00 825.00 3491.05
MIN 555.50 343.50 183.50 69.31 0.00 0.00 0.00 0.00 0.00 40.00 263.50 539.00 2815.60
NO YRS 18 19 19 19 18 19 18 19 19 19 19 18 16