FT CARSON BUTTS AAF, COLORADO

Monthly Total Heating Degree Days

(053002)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200312
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 628.50 g 582.50 i 0.00 z 204.00 k 18.62 a 0.00 z 27.42 e 27.50 i 375.00 609.00 954.28 a 1984.33
1982 1071.00 928.31 b 766.22 a 529.50 304.00 112.50 6.00 3.50 143.50 439.00 790.50 911.50 6005.52
1983 902.00 767.00 813.50 666.50 412.50 102.50 0.00 0.00 67.50 363.50 746.00 1360.50 6201.50
1984 1147.50 863.50 858.00 656.00 169.50 50.00 0.00 7.50 187.50 686.00 741.00 940.50 6307.00
1985 1177.00 1004.50 781.00 411.00 205.00 47.00 4.50 2.50 206.00 362.50 890.00 1085.50 6176.50
1986 725.29 b 808.50 567.00 411.50 267.00 37.00 1.03 a 6.00 114.00 411.78 a 757.50 949.50 5056.11
1987 1031.00 825.00 736.50 320.00 144.00 8.04 b 1.55 a 10.00 31.00 220.50 354.50 i 409.50 m 3327.59
1988 740.50 j 0.00 z 0.00 z 496.00 245.00 34.66 a 0.00 i 2.50 79.00 0.00 z 348.00 i 0.00 z 857.16
1989 558.00 i 684.50 j 0.00 z 279.50 i 233.50 138.10 a 0.00 i 9.00 117.50 j 419.53 a 486.00 k 493.50 p 800.14
1990 910.50 856.07 a 708.00 434.50 334.00 22.00 25.00 j 18.50 67.50 377.17 a 432.50 i 582.50 m 3728.24
1991 848.50 i 765.33 a 705.50 521.50 191.50 26.50 13.50 5.50 101.00 0.00 z 924.50 1050.26 b 4305.09
1992 920.91 b 742.50 655.50 316.50 215.50 91.50 18.00 40.50 82.00 346.00 594.50 k 576.00 o 3428.91
1993 721.50 l 930.50 683.50 542.00 283.65 a 86.00 0.00 b 30.00 215.89 b 301.50 k 382.50 o 523.00 n 2771.54
1994 615.50 k 905.50 654.00 471.21 a 185.50 2.50 4.00 0.00 83.50 200.00 n 326.50 p 487.00 m 2306.21
1995 349.50 t 482.50 h 507.50 k 360.50 m 288.50 j 84.31 a 3.00 m 6.50 i 104.50 m 220.00 n 290.00 q 331.50 r 84.31
1996 446.50 r 419.50 l 514.00 k 159.00 n 54.00 l 27.00 2.50 3.50 183.62 a 391.50 334.00 n 443.00 p 608.12
1997 421.50 q 510.00 l 312.50 n 647.59 a 191.50 i 31.50 i 0.00 a 14.00 n 36.50 k 180.50 o 331.00 p 641.50 j 647.59
1998 475.50 o 480.50 l 425.50 o 572.59 a 89.00 n 82.76 a 0.00 i 1.00 16.50 j 219.50 k 0.00 z 470.50 n 656.34
1999 436.50 n 394.00 k 447.50 h 385.50 i 125.50 s 58.50 i 0.00 m 2.00 i 107.00 n 109.50 p 287.50 l 499.00 l 0.00
2000 453.50 n 418.50 j 462.50 j 229.00 j 112.00 l 10.00 j 0.00 l 0.00 h 35.00 m 224.50 j 510.50 m 536.50 m 0.00
2001 560.00 n 621.50 h 575.00 f 217.50 l 147.00 m 32.00 h 0.00 m 0.00 k 18.00 k 279.50 j 397.00 m 438.00 n 0.00
2002 606.50 k 556.00 k 432.50 k 358.50 177.00 j 10.00 m 0.00 j 0.00 j 60.00 j 367.00 j 429.00 m 530.50 m 358.50
2003 538.00 k 636.50 j 134.50 x 110.50 u 0.00 z 58.00 i 0.00 j 0.00 k 78.00 i 148.50 j 376.00 n 575.50 j 0.00
Period of Record Statistics
MEAN 985.65 854.25 720.79 490.33 245.43 57.12 4.26 10.46 120.15 399.32 779.79 1036.01 5949.33
S.D. 149.65 82.19 82.17 115.82 74.35 40.40 5.81 12.18 60.58 110.87 104.49 156.38 510.91
SKEW -0.32 0.28 -0.11 0.05 0.78 0.43 1.47 1.33 0.35 1.36 -0.11 1.43 -1.34
MAX 1177.00 1004.50 858.00 666.50 412.50 138.10 18.00 40.50 215.89 686.00 924.50 1360.50 6307.00
MIN 725.29 742.50 567.00 316.50 144.00 2.50 0.00 0.00 31.00 220.50 609.00 911.50 5056.11
NO YRS 8 11 11 15 13 17 12 16 13 11 7 7 5