KITT PEAK, ARIZONA

Monthly Total Heating Degree Days

(024675)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1960 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 12.00 260.00 446.50 737.50 1456.00
1961 648.00 654.89 a 659.94 e 345.50 154.00 15.00 6.50 20.00 79.50 246.50 612.00 779.00 4220.83
1962 803.50 604.50 746.00 223.39 b 221.00 42.50 0.00 0.00 41.00 186.00 378.50 599.00 3845.39
1963 718.00 458.00 589.00 441.00 104.22 b 104.00 2.50 25.00 11.38 a 138.50 494.48 a 625.50 3711.59
1964 849.50 840.00 809.00 569.00 240.00 57.50 5.00 40.00 112.00 154.00 616.00 692.50 4984.50
1965 670.50 731.00 768.00 498.00 306.00 141.50 3.50 7.00 119.00 134.50 374.50 739.50 4493.00
1966 876.00 835.00 533.00 361.50 151.00 34.00 2.50 15.00 96.50 253.00 450.50 675.50 4283.50
1967 711.00 604.50 552.50 607.00 276.00 124.00 3.00 6.50 55.00 159.50 375.50 839.50 4314.00
1968 765.50 538.50 669.00 552.50 253.50 111.00 12.00 71.00 64.00 183.50 562.50 763.00 4546.00
1969 664.50 803.50 808.00 408.00 227.50 133.00 28.50 7.00 47.00 342.50 563.00 694.50 4727.00
1970 718.00 602.50 737.00 550.50 145.50 27.50 0.50 7.00 111.00 401.50 445.50 731.50 4478.00
1971 706.00 670.00 532.00 469.00 306.50 59.50 1.50 48.00 83.00 487.00 588.50 900.00 4851.00
1972 700.00 562.00 354.00 365.00 187.00 34.00 2.50 14.50 46.00 378.50 729.50 812.00 4185.00
1973 928.00 738.50 906.00 570.00 190.00 57.50 5.50 1.50 24.50 180.50 551.50 672.50 4826.00
1974 822.50 684.00 594.00 412.50 173.50 14.00 21.50 11.00 105.00 329.50 558.50 886.00 4612.00
1975 775.00 765.00 749.00 677.00 305.50 27.50 11.50 1.00 47.00 259.00 468.50 713.50 4799.50
1976 713.50 652.00 664.50 488.00 164.50 22.50 21.50 1.50 120.00 372.50 559.00 749.00 4528.50
1977 870.50 595.00 766.00 383.50 339.00 4.50 1.00 19.00 12.50 187.50 419.00 556.50 4154.00
1978 750.00 713.00 559.50 438.50 251.50 2.00 2.50 2.00 47.50 179.50 613.00 835.50 4394.50
1979 956.50 660.50 690.50 376.50 215.50 56.00 0.00 28.50 23.00 154.50 582.50 596.50 4340.50
1980 718.00 584.00 702.00 444.00 344.00 25.00 1.00 8.00 5.00 282.00 458.00 496.00 4067.00
1981 665.00 518.00 715.00 299.00 202.00 5.00 0.50 6.50 22.00 312.50 357.50 535.50 3638.50
1982 755.50 616.50 648.50 346.00 211.50 22.50 9.00 13.00 86.50 249.00 571.50 838.50 4368.00
1983 706.00 678.00 723.50 600.00 240.00 36.00 1.00 24.50 34.00 303.00 603.00 679.00 4628.00
1984 745.00 674.50 545.00 486.00 69.00 18.00 14.50 33.00 41.50 432.00 563.00 806.00 4427.50
1985 857.00 710.00 639.00 310.50 133.50 36.00 8.00 6.00 126.00 294.00 604.00 659.00 4383.00
1986 507.00 609.00 466.50 317.50 131.50 0.50 8.00 14.50 106.50 293.50 500.00 748.50 3703.00
1987 802.00 702.50 707.00 269.50 222.50 0.00 3.50 5.00 64.00 129.00 556.00 811.50 4272.50
1988 726.50 530.00 540.50 389.50 207.50 17.50 0.50 4.50 27.50 112.50 477.00 748.00 3781.50
1989 811.50 544.50 383.00 141.50 148.00 11.50 0.00 5.00 5.50 229.00 415.50 625.00 3320.00
1990 746.00 746.50 538.50 346.00 204.50 12.00 14.50 31.50 43.45 a 138.47 a 458.50 737.50 4017.42
1991 759.00 475.50 785.33 a 410.00 190.00 54.50 4.00 7.00 50.50 194.50 506.50 795.50 4232.33
1992 784.00 647.00 678.00 278.50 144.50 11.50 11.50 28.00 9.50 131.50 581.00 803.50 4108.50
1993 708.87 a 702.00 535.00 282.50 99.00 49.50 7.00 29.50 47.00 242.50 549.00 669.00 3920.87
1994 606.50 650.00 527.50 342.50 188.50 2.00 6.00 0.00 17.00 283.00 602.50 651.52 a 3877.02
1995 773.50 463.50 559.50 448.45 a 311.00 69.50 5.00 12.50 0.00 z 0.00 z 0.00 z 634.50 3277.45
1996 591.50 575.50 539.50 312.50 62.53 b 0.00 1.50 3.50 97.50 300.00 452.50 591.50 3528.03
1997 808.07 a 654.00 411.78 a 442.50 0.00 z 0.00 z 1.00 0.00 14.50 l 244.50 409.00 917.60 a 3888.45
1998 664.36 b 813.00 665.00 543.00 225.50 66.50 11.50 0.50 20.50 205.50 416.90 a 722.82 a 4355.08
1999 619.47 b 462.00 a 505.82 a 529.62 d 174.00 56.00 10.69 b 1.03 a 11.00 92.50 237.32 b 684.21 c 3383.66
2000 532.34 b 549.50 502.00 f 233.50 37.50 6.50 0.50 13.00 4.82 b 345.17 e 679.66 a 537.16 b 2939.65
2001 842.96 e 701.00 597.02 b 420.52 a 70.50 16.67 c 6.50 7.00 6.43 b 137.36 b 461.90 a 776.79 e 4044.64
2002 683.00 548.00 583.50 243.10 a 133.50 2.50 6.00 7.75 a 24.83 a 289.50 418.93 b 800.66 b 3741.27
2003 461.38 a 667.50 652.55 a 423.21 b 122.34 c 4.00 4.00 17.57 a 43.50 138.00 552.41 a 650.43 d 3736.89
2004 808.38 e 794.00 359.50 463.93 b 210.50 22.50 b 2.38 e 9.50 k 96.50 g 337.42 e 665.00 c 727.95 c 4391.57
2005 696.93 d 671.48 a 654.10 a 402.22 c 161.50 0.00 z 3.10 a 17.00 f 8.50 k 214.42 a 0.00 z 555.42 a 3359.16
2006 616.38 a 505.00 685.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 713.00 b 2519.88
2007 884.61 c 643.50 458.00 360.50 0.00 z 17.07 a 7.50 g 10.50 0.00 z 175.67 a 318.10 a 819.90 b 3687.84
2008 811.17 d 0.00 z 0.00 z 328.27 d 215.50 f 10.34 a 17.50 21.50 i 21.72 a 184.50 228.00 k 761.16 c 2134.67
2009 538.00 g 582.75 d 121.50 y 361.50 g 108.50 a 70.71 b 4.50 f 21.00 h 25.38 d 334.00 419.48 a 791.57 b 2332.40
2010 771.12 c 528.00 h 749.34 b 403.50 i 72.00 z 42.50 u 13.50 r 16.00 l 18.62 a 250.07 a 368.50 i 590.72 d 2379.88
2011 740.42 e 785.22 e 182.00 r 268.00 i 151.50 m 31.73 d 14.47 a 0.00 b 22.00 h 123.00 l 551.50 f 801.00 g 1571.84
2012 554.50 f 224.00 u 297.00 s 130.50 v 74.50 t 1.00 t 31.60 e 1.00 p 40.50 r 517.91 b 661.50 1042.50 2253.51
2013 857.67 d 753.50 421.71 b 22.00 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 2032.87
Period of Record Statistics
MEAN 739.37 645.40 618.00 407.46 190.34 37.09 7.00 13.66 49.27 247.62 508.18 721.55 4195.74
S.D. 101.77 100.44 126.83 113.52 74.43 36.51 7.41 14.57 37.22 98.15 103.13 108.59 415.10
SKEW -0.41 -0.01 -0.18 0.13 0.14 1.35 1.57 1.82 0.67 0.69 -0.22 0.24 -0.20
MAX 956.50 840.00 906.00 677.00 344.00 141.50 31.60 71.00 126.00 517.91 729.50 1042.50 4984.50
MIN 461.38 458.00 354.00 141.50 37.50 0.00 0.00 0.00 4.82 92.50 237.32 496.00 3320.00
NO YRS 51 50 48 47 45 47 48 45 45 50 47 52 40