KITT PEAK, ARIZONA

Monthly Total Growing Degree Days

(024675)

Base Temperature = 40 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 839.50 519.00 310.50 154.00 1823.00
1961 136.00 89.19 a 135.92 e 404.50 633.50 973.50 947.00 841.50 693.00 554.00 174.50 127.00 5709.61
1962 84.00 167.50 124.50 546.96 b 582.00 851.00 977.00 1048.00 822.00 601.00 387.00 209.00 6399.96
1963 133.50 271.50 218.00 319.00 695.36 b 729.50 1000.50 821.50 840.52 a 671.50 266.38 a 204.50 6171.76
1964 57.00 46.50 98.00 230.50 573.00 775.00 970.00 795.00 670.00 671.50 211.00 128.50 5226.00
1965 163.00 121.50 83.50 321.50 478.00 637.00 921.50 926.00 692.00 691.00 379.50 148.50 5563.00
1966 65.50 43.00 297.50 393.00 629.00 812.00 929.50 852.00 705.50 522.00 318.50 188.50 5756.00
1967 159.50 113.00 252.00 173.00 524.00 674.00 872.00 879.50 730.50 617.00 385.50 84.00 5464.00
1968 96.50 207.00 157.50 220.00 551.00 792.00 862.50 735.00 756.00 602.00 228.50 143.50 5351.50
1969 151.00 34.00 133.50 342.00 616.50 655.00 856.50 913.00 799.00 438.50 208.50 184.50 5332.00
1970 126.50 131.50 103.50 228.00 665.50 859.50 992.00 878.00 670.00 377.50 304.50 117.00 5453.50
1971 220.00 126.50 293.00 302.00 468.50 822.50 976.00 752.50 724.50 334.50 210.50 47.50 5278.00
1972 107.00 185.00 427.50 391.50 590.50 803.00 970.00 849.00 733.00 416.50 87.50 115.00 5675.50
1973 58.50 57.50 20.50 203.00 603.50 848.00 936.00 906.50 801.00 598.00 291.50 161.00 5485.00
1974 92.50 88.50 221.50 340.50 625.50 1015.00 851.50 864.00 686.00 463.50 208.50 44.50 5501.50
1975 134.00 64.50 133.00 156.00 473.50 817.50 863.00 935.00 736.00 517.50 312.00 148.50 5290.50
1976 143.00 114.50 173.00 309.00 626.00 875.50 871.00 902.50 637.50 403.00 241.50 67.00 5363.50
1977 40.50 139.00 105.00 387.00 444.50 933.00 970.00 917.50 836.00 599.00 338.00 223.00 5932.50
1978 97.50 80.50 250.50 329.00 554.00 975.00 998.50 891.00 745.50 642.50 184.50 84.00 5832.50
1979 29.00 129.00 137.00 379.50 571.00 853.00 1012.50 866.00 918.50 673.50 213.00 212.00 5994.00
1980 103.50 174.00 111.00 324.50 432.00 935.00 1022.00 917.50 824.00 555.00 313.50 308.50 6020.50
1981 129.50 207.00 129.00 458.00 573.00 971.50 940.00 944.00 784.00 462.50 402.50 260.50 6261.50
1982 119.00 124.50 157.50 404.00 565.00 813.00 928.00 883.00 773.50 526.00 192.00 77.50 5563.00
1983 141.00 92.00 128.00 197.50 587.50 780.50 975.00 849.50 804.00 472.00 220.50 130.50 5378.00
1984 79.50 101.50 240.50 292.50 793.00 826.50 826.00 804.00 784.00 343.00 231.00 66.00 5387.50
1985 49.00 138.50 182.50 451.50 657.00 932.00 982.50 911.50 651.00 485.50 188.00 177.00 5806.00
1986 286.50 184.50 350.50 432.50 694.50 919.50 885.00 904.50 693.50 481.50 250.50 90.50 6173.50
1987 120.50 104.00 134.00 487.00 552.50 925.00 965.50 857.50 719.50 672.50 209.00 116.00 5863.00
1988 140.00 211.50 261.50 369.00 621.50 917.00 982.50 894.00 788.00 689.00 302.50 140.50 6317.00
1989 94.50 204.00 424.00 652.00 708.00 929.50 1052.00 894.50 869.50 557.00 347.50 180.00 6912.50
1990 136.50 93.50 289.50 405.00 583.00 1011.50 881.50 824.50 783.62 a 637.57 a 313.00 128.00 6087.19
1991 75.00 239.50 101.78 a 341.50 592.00 764.50 928.50 914.00 747.50 670.50 267.00 82.50 5724.28
1992 80.00 110.50 146.00 499.50 646.50 865.50 922.50 859.00 847.00 654.50 196.50 78.00 5905.50
1993 109.02 a 65.50 270.00 469.50 695.50 886.00 928.50 896.00 780.50 546.00 240.50 148.50 6035.52
1994 216.50 113.00 268.00 423.00 608.00 997.00 1074.00 1007.50 829.50 492.50 203.00 145.18 a 6377.18
1995 80.50 241.50 230.50 317.59 a 471.50 798.00 1043.00 981.00 0.00 z 0.00 z 0.00 z 195.00 4358.59
1996 196.00 196.00 252.00 446.00 788.36 b 1018.00 982.00 921.00 662.00 536.00 304.00 201.00 6502.36
1997 75.95 a 90.50 377.68 a 320.00 0.00 z 0.00 z 1005.00 940.00 502.50 l 560.50 346.50 57.87 a 3774.00
1998 146.98 b 24.50 174.00 238.50 557.50 814.00 961.00 928.50 818.00 582.00 335.69 a 143.63 a 5724.31
1999 195.62 b 243.70 a 275.90 a 268.85 d 613.00 852.50 858.91 b 913.98 a 814.00 714.00 516.43 b 128.43 c 6395.33
2000 259.76 b 197.50 172.00 f 532.50 856.00 912.00 998.00 922.50 911.79 b 465.00 e 130.34 a 244.79 b 6430.18
2001 86.44 e 110.50 227.16 b 365.17 a 803.50 905.56 c 910.50 898.50 912.86 b 642.98 b 326.38 a 90.02 e 6279.56
2002 128.50 183.50 225.00 507.93 a 674.50 1035.50 972.00 951.70 a 838.45 a 485.50 331.07 b 73.22 b 6406.88
2003 313.62 a 92.50 202.53 a 327.32 b 729.61 c 913.50 1048.50 900.55 a 824.50 671.00 216.21 a 217.57 d 6457.41
2004 68.56 e 51.00 452.00 305.89 b 575.00 858.75 b 972.33 e 578.50 k 523.50 g 441.15 e 143.33 c 124.55 c 3992.57
2005 146.39 d 63.26 a 135.37 a 347.78 c 677.50 0.00 z 1072.08 a 686.50 f 554.00 k 582.28 a 0.00 z 226.82 a 3251.48
2006 192.20 a 205.50 181.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 171.57 b 750.77
2007 68.64 c 137.00 344.00 392.50 0.00 z 967.24 a 757.00 g 917.50 0.00 z 613.28 a 438.62 a 94.60 b 3973.39
2008 55.11 d 0.00 z 0.00 z 421.73 d 433.00 f 941.38 a 866.50 600.00 i 787.76 a 595.50 250.50 k 122.89 c 3790.87
2009 111.50 g 179.67 d 33.00 y 240.50 g 689.75 a 761.79 b 777.00 f 656.00 h 806.54 d 467.00 339.31 a 71.62 b 3315.67
2010 92.45 c 36.50 h 97.28 b 143.00 i 53.00 z 194.00 u 365.50 r 525.00 l 880.34 a 545.08 a 180.50 i 222.17 d 1837.32
2011 111.48 e 79.74 e 143.00 r 268.50 i 304.50 m 840.00 d 908.82 a 994.14 b 592.50 h 356.50 l 101.00 f 25.50 g 2934.17
2012 106.00 f 7.00 u 46.00 s 69.50 v 202.00 t 295.00 t 835.81 e 458.00 p 262.50 r 359.17 b 264.00 56.00 1514.98
2013 121.13 d 78.50 372.53 b 28.00 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 572.16
Period of Record Statistics
MEAN 123.80 130.96 210.54 361.16 614.45 867.94 948.02 893.42 777.14 548.37 272.98 141.59 5858.96
S.D. 60.53 62.27 100.58 103.95 94.87 94.97 64.11 59.88 72.55 99.79 84.88 60.99 425.99
SKEW 1.14 0.36 0.62 0.27 0.33 -0.37 -0.04 -0.22 -0.05 -0.32 0.38 0.45 0.35
MAX 313.62 271.50 452.00 652.00 856.00 1035.50 1074.00 1048.00 918.50 714.00 516.43 308.50 6912.50
MIN 29.00 24.50 20.50 156.00 432.00 637.00 826.00 735.00 637.50 334.50 87.50 44.50 5226.00
NO YRS 51 50 48 47 45 47 48 45 45 50 47 52 40