KITT PEAK, ARIZONA

Monthly Total Growing Degree Days

(024675)

Base Temperature = 50 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 539.50 221.50 74.50 24.50 860.00
1961 6.00 1.04 a 20.87 e 141.00 327.50 673.50 637.00 531.50 393.00 283.00 30.50 4.50 3049.40
1962 3.00 24.50 22.50 251.25 b 286.50 551.00 667.00 738.00 522.00 298.50 153.00 27.50 3544.75
1963 7.00 86.50 35.00 92.00 385.36 b 429.50 690.50 511.50 540.52 a 363.50 77.07 a 16.00 3234.45
1964 4.00 6.50 12.50 65.00 316.50 475.00 660.00 485.00 370.00 365.50 36.00 18.50 2814.50
1965 13.50 12.00 2.00 158.50 208.50 338.00 611.50 616.00 395.00 401.00 120.50 32.50 2909.00
1966 3.50 0.00 70.50 119.00 326.00 512.00 619.50 542.00 405.50 217.50 105.50 27.50 2948.50
1967 22.00 13.00 55.50 18.00 234.00 376.00 562.00 569.50 430.50 321.00 154.00 3.50 2759.00
1968 15.00 27.00 27.50 43.50 255.50 513.00 552.50 425.00 456.00 296.00 41.00 24.00 2676.00
1969 23.50 0.00 40.00 82.50 347.00 355.00 546.50 603.00 499.00 164.00 27.00 38.00 2725.50
1970 17.00 2.50 6.50 38.50 364.50 559.50 682.00 568.00 370.00 108.50 65.50 14.00 2796.50
1971 67.00 27.00 77.50 87.50 179.00 522.50 666.00 442.50 424.50 121.00 48.00 3.00 2665.50
1972 1.50 34.50 162.00 138.00 280.50 503.00 660.00 539.00 433.00 189.50 3.50 3.00 2947.50
1973 0.00 0.00 0.00 51.00 315.50 548.00 626.00 596.50 501.00 300.50 96.50 13.50 3048.50
1974 12.00 1.00 49.50 105.00 326.00 715.00 541.50 554.00 386.00 197.50 37.50 0.00 2925.00
1975 18.00 0.00 18.00 21.50 197.00 517.50 553.00 625.00 436.00 221.00 101.50 19.50 2728.00
1976 16.00 8.50 27.50 89.50 318.00 575.50 561.00 592.50 337.50 140.00 55.50 0.00 2721.50
1977 2.50 24.50 8.00 148.50 162.00 633.00 660.00 607.50 536.00 289.00 94.50 31.00 3196.50
1978 3.50 4.00 77.00 88.50 278.00 675.00 688.50 581.00 445.50 355.50 40.50 2.00 3239.00
1979 0.00 15.50 14.00 142.00 284.50 553.00 702.50 556.00 618.50 383.50 29.00 39.00 3337.50
1980 2.00 43.50 5.50 118.00 152.50 635.00 712.00 607.50 524.00 299.50 121.00 74.00 3294.50
1981 10.00 39.50 12.00 188.00 263.00 671.50 630.00 634.00 484.00 179.50 152.50 64.50 3328.50
1982 10.00 17.50 20.50 136.00 271.50 513.00 618.00 573.00 473.50 222.50 26.50 6.50 2888.50
1983 10.00 4.00 20.50 35.50 294.00 480.50 665.00 539.50 504.00 163.50 44.50 7.00 2768.00
1984 0.00 0.00 27.50 101.00 484.00 526.50 516.00 494.00 484.00 100.50 58.00 0.00 2791.50
1985 0.00 18.00 26.00 201.00 353.50 632.00 672.50 601.50 351.00 188.00 27.00 6.00 3076.50
1986 64.50 52.50 142.50 160.00 393.00 619.50 575.00 594.50 396.50 187.00 53.00 6.50 3244.50
1987 17.00 8.00 21.00 210.50 247.00 625.00 655.50 547.50 419.50 362.50 23.00 11.00 3147.50
1988 9.00 27.00 83.00 152.50 332.00 617.00 672.50 584.00 488.00 379.00 105.50 14.50 3464.00
1989 1.50 54.00 170.50 361.00 410.00 629.50 742.00 584.50 569.50 257.00 86.00 28.00 3893.50
1990 23.00 14.00 99.00 148.00 291.50 711.50 571.50 514.50 483.62 a 329.12 a 102.50 13.50 3301.74
1991 1.00 25.50 9.30 a 85.00 290.50 465.50 618.50 604.00 447.50 400.00 61.50 0.50 3008.80
1992 2.50 3.50 13.50 229.00 336.50 565.50 612.50 549.00 547.00 344.50 30.50 3.50 3237.50
1993 3.62 a 3.00 53.50 184.00 385.50 587.50 618.50 586.00 480.50 247.50 35.50 18.50 3203.62
1994 36.00 11.50 57.00 190.00 299.00 697.00 764.00 697.50 529.50 212.50 47.00 18.60 a 3559.60
1995 7.00 61.50 49.50 107.59 a 200.50 498.00 733.00 671.00 0.00 z 0.00 z 0.00 z 42.50 2370.59
1996 43.50 29.50 55.50 175.00 482.64 b 718.00 672.00 611.00 362.00 300.50 92.50 24.50 3566.64
1997 5.17 a 7.00 121.42 a 105.00 0.00 z 0.00 z 695.00 630.00 322.50 l 278.50 121.50 4.65 a 1968.23
1998 10.69 b 0.00 33.00 88.00 257.00 514.00 651.00 618.50 518.00 287.50 86.38 a 20.67 a 3084.74
1999 23.52 b 35.78 a 67.17 a 98.65 d 319.00 552.50 548.91 b 603.98 a 514.00 405.00 251.79 b 13.29 c 3433.58
2000 63.07 b 33.00 29.00 f 245.00 546.00 612.00 688.00 612.50 611.79 b 222.37 e 24.31 a 29.40 b 3687.43
2001 1.79 e 15.00 64.67 b 160.86 a 493.50 605.56 c 600.50 588.50 612.86 b 332.98 b 102.93 a 2.38 e 3581.53
2002 5.50 33.00 52.50 224.48 a 368.50 735.50 662.00 641.70 a 538.45 a 198.50 80.36 b 1.60 b 3542.09
2003 65.10 a 15.00 49.60 a 110.89 b 422.38 c 613.50 738.50 590.55 a 524.50 375.00 36.21 a 64.87 d 3606.09
2004 0.60 e 4.00 206.50 86.25 b 272.00 558.75 b 662.33 e 378.50 k 293.50 g 174.67 e 20.00 c 27.12 c 2012.22
2005 23.54 d 0.00 a 24.80 a 102.78 c 374.50 0.00 z 762.08 a 436.50 f 364.00 k 276.93 a 0.00 z 34.62 a 1599.25
2006 25.32 a 36.50 29.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 27.79 b 118.61
2007 13.29 c 25.00 142.00 153.50 0.00 z 667.24 a 517.00 g 607.50 0.00 z 313.10 a 179.48 a 21.38 b 2122.49
2008 1.15 d 0.00 z 0.00 z 155.77 d 204.00 f 641.38 a 556.50 380.00 i 487.76 a 298.50 101.50 k 17.16 c 2158.22
2009 6.50 g 43.17 d 1.00 y 73.50 g 383.37 a 466.61 b 527.00 f 426.00 h 506.54 d 199.00 104.48 a 6.95 b 1710.11
2010 0.55 c 0.00 h 5.88 b 21.50 i 17.50 z 105.00 u 235.50 r 335.00 l 580.34 a 270.22 a 63.50 i 52.81 d 909.81
2011 11.92 e 7.91 e 29.50 r 101.00 i 142.00 m 540.00 d 598.82 a 684.14 b 372.50 h 178.50 l 19.50 f 0.00 g 1842.79
2012 13.00 f 0.00 u 5.50 s 17.50 v 92.00 t 195.00 t 525.81 e 308.00 p 142.50 r 161.95 b 94.50 6.50 788.76
2013 23.54 d 8.00 116.52 b 8.00 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 148.05
Period of Record Statistics
MEAN 14.71 19.28 52.20 131.79 318.11 568.61 638.02 583.42 477.27 264.10 75.73 19.47 3132.24
S.D. 17.71 18.94 48.91 67.21 86.94 94.38 64.11 59.88 72.39 83.36 49.40 17.51 315.69
SKEW 1.81 1.27 1.40 0.84 0.43 -0.38 -0.04 -0.22 -0.04 -0.08 1.18 1.25 0.31
MAX 67.00 86.50 206.50 361.00 546.00 735.50 764.00 738.00 618.50 405.00 251.79 74.00 3893.50
MIN 0.00 0.00 0.00 18.00 152.50 338.00 516.00 425.00 337.50 100.50 3.50 0.00 2665.50
NO YRS 51 50 48 47 45 47 48 45 45 50 47 52 40