SNOWFLAKE, ARIZONA

Monthly Total Growing Degree Days

(028012)

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
1897 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 304.50 k 676.50 655.50 457.00 133.00 3.00 0.00 1925.00
1898 0.00 0.00 2.00 173.00 214.23 c 532.50 784.00 700.50 419.50 105.00 14.50 0.00 2945.23
1899 0.00 0.00 6.50 10.00 207.50 472.00 729.50 579.50 489.00 e 131.50 0.00 0.00 2625.50
1900 0.00 0.00 5.50 19.50 312.00 526.50 687.00 0.00 z 331.00 0.00 z 0.00 z 0.00 z 1881.50
1901 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 355.50 h 682.50 631.00 392.00 118.50 11.00 0.00 1835.00
1902 0.00 0.00 0.00 93.00 242.50 611.50 655.50 831.50 386.50 136.50 14.00 0.00 2971.00
1903 0.00 0.00 50.00 79.50 254.50 539.00 723.50 688.50 383.00 76.47 a 0.00 0.00 2794.47
1904 0.00 37.50 52.00 51.50 273.00 478.50 650.00 703.50 472.50 190.00 6.00 0.00 2914.50
1905 0.00 0.00 6.00 63.00 0.00 z 379.50 649.00 0.00 z 441.50 0.00 z 0.00 z 0.00 w 1539.00
1906 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1907 0.00 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 0.00 z 0.00 z 0.00 z 0.00
1908 0.00 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 0.00 z 0.00 z 0.00 z 0.00
1909 0.00 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 0.00 z 0.00 z 0.00 z 0.00
1910 0.00 z 0.00 z 0.00 z 0.00 z 295.50 535.50 735.00 694.50 494.50 116.50 0.00 0.50 2872.00
1911 0.00 a 0.00 13.50 51.50 189.00 456.00 621.50 600.00 486.00 102.00 3.00 0.00 2522.50
1912 0.00 0.00 3.50 16.50 230.50 441.50 575.00 539.00 191.50 84.50 8.50 0.00 2090.50
1913 0.00 0.00 1.50 3.00 168.50 354.50 546.50 561.50 289.00 25.50 9.50 0.00 1959.50
1914 0.00 0.00 7.50 92.50 285.00 f 644.50 720.00 772.00 445.50 203.00 18.50 0.00 2903.50
1915 0.00 0.00 2.00 124.50 174.00 469.14 a 813.00 625.50 321.00 47.00 8.50 0.00 a 2584.64
1916 0.00 4.50 16.00 120.00 207.00 483.00 629.50 606.50 405.50 159.00 40.00 0.00 2671.00
1917 0.00 0.00 0.00 a 19.00 111.50 485.00 809.10 a 711.00 416.50 119.00 0.00 0.00 2671.10
1918 0.00 5.00 9.00 33.50 102.50 653.50 681.00 666.50 485.50 166.00 20.50 0.00 2823.00
1919 0.00 0.00 4.50 162.41 a 318.50 531.50 748.00 662.00 459.00 25.00 1.50 0.00 2912.41
1920 0.00 0.00 a 2.00 42.50 j 0.00 z 464.50 678.00 599.00 401.50 90.00 3.50 0.00 2238.50
1921 0.00 0.00 13.50 12.00 190.50 483.00 676.00 606.50 423.50 217.50 0.00 0.50 2623.00
1922 0.00 0.00 3.00 6.00 161.50 524.50 753.50 712.00 528.50 175.00 1.00 0.00 2865.00
1923 0.00 0.00 0.00 30.50 225.00 403.50 686.50 586.50 307.50 44.00 0.00 0.00 2283.50
1924 0.00 0.00 2.00 76.50 368.50 624.50 638.00 678.00 445.50 84.50 1.50 0.00 2919.00
1925 0.00 0.00 23.50 138.50 434.00 505.34 a 805.00 663.00 380.00 65.50 0.00 0.00 3014.84
1926 0.00 17.00 0.52 a 146.50 264.50 438.50 560.00 395.00 g 318.50 g 206.00 41.90 a 0.00 1674.91
1927 0.00 0.00 5.00 92.50 252.50 526.00 653.50 584.00 386.00 62.50 8.50 0.00 2570.50
1928 0.00 0.00 a 19.50 44.50 351.50 445.00 682.00 538.00 409.50 155.00 9.50 0.00 2654.50
1929 0.00 0.00 4.50 38.00 241.50 508.50 686.00 713.00 449.00 214.50 0.00 0.00 2855.00
1930 0.00 0.00 0.00 137.50 42.88 a 646.00 747.50 715.50 328.00 79.50 0.00 0.00 2696.88
1931 0.00 0.00 12.40 a 15.00 193.50 468.00 738.50 625.50 434.00 116.77 a 13.50 0.00 2617.17
1932 0.00 0.00 2.00 45.00 189.50 413.00 635.50 589.50 349.50 90.00 0.00 0.00 a 2314.00
1933 0.00 0.00 2.50 10.50 22.00 r 507.00 692.00 617.50 0.00 z 188.00 1.50 1.50 2020.50
1934 0.00 0.00 31.50 86.50 275.50 0.00 z 0.00 z 670.00 362.00 199.43 a 61.50 0.00 1686.43
1935 0.00 0.00 0.00 e 14.50 72.50 433.00 0.00 z 600.50 375.50 130.50 0.00 z 0.00 1626.50
1936 0.00 0.00 0.00 127.50 261.00 465.50 496.50 552.00 277.50 37.00 0.00 0.00 2217.00
1937 0.00 0.00 a 0.00 15.00 222.50 604.00 691.00 715.00 0.00 z 121.50 0.00 z 0.00 2369.00
1938 0.00 0.00 2.00 22.00 350.50 580.00 800.50 721.00 0.00 z 68.50 0.00 0.00 z 2544.50
1939 0.00 z 0.00 z 0.00 z 143.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 42.41 a 0.00 185.91
1940 0.00 1.00 11.50 j 80.50 m 350.00 649.50 760.00 730.50 479.00 207.50 7.00 0.00 3184.50
1941 0.00 0.00 0.00 14.00 262.50 417.00 660.50 617.50 399.00 101.50 3.00 0.00 a 2475.00
1942 0.00 0.00 0.00 55.00 225.00 485.50 829.00 708.50 467.50 193.00 19.50 0.00 2983.00
1943 3.50 0.00 13.50 164.00 0.00 z 0.00 z 0.00 z 653.00 437.00 152.50 0.00 0.00 1423.50
1944 0.00 0.00 3.00 85.00 0.00 z 0.00 z 0.00 z 0.00 z 393.50 147.00 8.50 0.00 637.00
1945 0.00 0.00 f 0.00 a 61.00 203.50 376.80 e 693.50 688.00 417.00 146.96 d 0.00 i 0.00 c 2586.76
1946 0.00 0.00 c 12.92 a 145.00 188.50 537.50 630.13 e 654.00 451.03 a 65.00 h 0.00 0.00 2619.09
1947 0.00 a 0.00 a 1.50 22.00 k 0.00 z 328.50 f 684.14 b 615.19 b 511.00 161.72 a 3.00 0.00 1976.54
1948 0.00 h 0.00 j 0.00 109.00 268.50 524.00 676.50 657.50 483.50 123.00 2.50 0.00 2844.50
1949 0.00 0.00 0.00 116.00 220.50 499.00 687.00 612.00 503.50 118.50 3.00 0.00 2759.50
1950 0.00 0.50 15.50 107.00 230.50 487.80 e 674.50 591.50 337.00 294.50 6.00 0.50 2745.30
1951 0.00 a 0.00 7.50 64.00 269.00 408.50 738.50 616.00 421.00 131.50 1.11 c 3.10 a 2660.21
1952 0.00 0.00 1.00 56.50 279.50 480.00 659.50 678.00 443.65 d 181.00 4.80 e 0.00 2783.95
1953 0.00 0.00 17.00 67.50 147.50 488.50 728.50 441.50 h 455.00 152.13 d 11.00 0.00 2067.13
1954 0.00 0.00 9.50 126.00 322.00 428.50 g 747.00 603.50 305.50 i 257.76 d 2.00 9.50 2077.26
1955 0.00 0.00 8.00 39.23 d 233.50 319.00 f 634.95 c 680.50 452.00 211.50 14.48 a 0.00 2274.16
1956 0.00 0.00 13.36 b 40.00 280.00 579.81 d 661.00 561.00 490.00 161.00 0.00 b 0.00 a 2786.17
1957 1.15 d 13.00 5.00 44.50 162.00 528.00 731.82 c 598.30 a 378.50 89.00 1.50 0.00 2552.77
1958 0.00 0.00 0.50 66.00 357.50 556.00 675.00 717.65 a 440.50 177.00 3.50 3.32 c 2996.97
1959 0.00 0.00 3.50 112.50 219.00 581.00 794.00 620.50 403.00 115.00 1.50 0.00 b 2850.00
1960 0.00 0.00 17.50 73.50 273.50 551.50 733.50 677.50 435.00 78.50 13.00 0.00 e 2853.50
1961 0.00 0.00 a 0.00 78.00 216.48 a 592.50 720.00 619.00 342.12 d 84.00 0.00 0.00 c 2652.10
1962 0.00 0.00 0.00 101.50 158.50 378.00 623.00 631.50 443.57 b 108.00 7.50 0.00 b 2451.57
1963 1.50 4.00 11.48 d 55.50 307.86 b 430.86 a 764.00 608.00 480.50 201.00 5.00 g 0.00 g 2864.71
1964 0.00 0.00 r 9.00 y 0.50 u 318.50 448.50 758.50 618.00 414.00 216.50 1.00 0.00 2775.00
1965 0.00 0.00 2.00 69.50 160.00 342.00 670.50 630.00 0.00 z 0.00 z 20.00 0.00 1894.00
1966 0.00 0.00 12.50 81.00 331.50 489.50 760.50 698.50 0.00 z 0.00 z 0.00 z 0.00 z 2373.50
1967 0.00 z 0.00 31.50 28.00 235.00 459.50 722.50 616.50 429.00 131.00 2.50 0.00 2655.50
1968 0.00 0.00 2.00 10.00 164.00 442.00 603.50 474.50 332.50 109.00 0.00 0.00 2137.50
1969 0.00 0.00 3.62 a 33.10 a 240.00 395.69 a 674.50 730.00 438.00 45.00 0.00 0.00 2559.91
1970 0.00 a 0.00 a 0.00 5.17 a 282.50 484.50 751.50 694.50 341.00 54.50 1.00 0.00 2614.67
1971 0.00 0.00 46.00 44.50 130.50 493.00 779.00 670.00 374.00 80.00 2.50 0.00 2619.50
1972 0.00 11.00 29.50 59.50 219.50 491.50 735.50 636.50 412.00 185.00 0.00 0.00 2780.00
1973 0.00 0.00 1.00 26.50 283.50 490.50 688.00 656.00 389.50 120.00 45.00 0.00 2700.00
1974 0.00 0.00 18.00 57.00 312.00 673.50 710.00 621.00 421.50 196.00 0.00 0.00 3009.00
1975 0.00 0.00 2.58 a 7.00 173.50 425.50 696.50 601.50 371.00 121.00 5.50 0.00 a 2404.08
1976 0.00 0.00 6.20 a 43.00 294.50 470.50 700.50 589.50 385.50 79.50 0.00 0.00 2569.20
1977 0.00 4.50 0.00 106.50 185.00 551.50 747.00 693.00 515.00 189.00 6.50 0.00 2998.00
1978 0.00 0.00 41.00 95.00 230.50 519.00 725.50 653.50 428.50 208.00 9.50 0.00 2910.50
1979 0.00 0.00 0.50 95.50 241.00 490.50 706.00 588.50 485.50 224.00 3.50 0.00 2835.00
1980 0.00 0.00 0.00 a 81.00 166.00 517.50 770.00 668.50 472.00 179.50 18.00 0.00 2872.50
1981 0.00 3.00 9.00 156.50 310.00 648.00 759.50 696.00 473.00 156.00 9.50 0.00 3220.50
1982 0.00 0.00 8.50 85.50 258.50 450.50 688.00 698.50 505.50 85.00 1.00 0.00 2781.00
1983 0.00 0.00 12.00 27.50 247.50 482.50 709.50 692.00 576.00 174.00 29.00 2.50 2952.50
1984 0.00 0.00 18.50 53.00 423.50 532.50 737.00 674.00 463.00 81.00 10.50 0.00 2993.00
1985 0.00 0.00 11.00 119.50 288.00 597.50 775.00 694.00 367.50 143.50 18.00 0.00 3014.00
1986 0.00 12.50 38.00 100.50 285.50 574.00 666.00 709.50 367.00 84.00 10.00 0.00 2847.00
1987 0.00 0.00 0.00 112.50 239.50 553.50 617.00 604.00 399.50 236.50 12.00 0.00 a 2774.50
1988 0.00 6.00 13.50 72.00 274.00 573.00 757.50 651.50 365.00 271.00 40.50 0.00 3024.00
1989 0.00 6.00 55.50 221.50 360.00 534.00 763.50 624.00 461.50 150.00 3.00 0.00 3179.00
1990 0.00 0.00 32.00 124.00 261.50 626.00 753.50 623.00 507.50 141.50 9.50 0.00 3078.50
1991 0.00 2.00 6.50 38.00 225.00 432.00 726.50 689.00 462.50 225.50 3.00 0.00 2810.00
1992 0.00 1.00 0.50 172.00 283.00 468.50 672.00 633.50 441.00 185.00 0.00 0.00 2856.50
1993 0.00 0.00 5.00 98.50 342.50 500.00 672.50 653.50 398.50 150.50 1.50 0.00 2822.50
1994 0.00 2.00 11.50 112.00 267.50 639.50 701.00 656.50 476.00 122.50 8.00 0.00 2996.50
1995 0.00 0.00 25.00 67.00 191.50 425.00 706.00 751.50 486.50 163.00 11.50 0.00 2827.00
1996 0.00 16.00 5.00 125.00 384.50 600.00 812.50 731.00 378.00 208.00 15.00 2.00 3277.00
1997 0.50 0.00 25.50 92.50 408.50 491.00 689.50 665.50 559.00 149.00 3.50 0.00 3084.50
1998 0.00 0.00 21.00 25.50 204.00 449.00 763.50 728.50 531.00 151.50 0.50 0.00 2874.50
1999 0.00 2.50 35.50 75.00 293.50 566.50 721.50 680.50 487.00 191.00 34.50 1.00 3088.50
2000 7.00 5.50 8.50 199.00 452.50 653.00 801.00 720.50 557.50 196.50 0.00 0.00 3601.00
2001 0.00 0.50 13.00 134.50 457.50 625.00 746.00 690.50 538.00 271.50 39.50 0.00 3516.00
2002 0.00 0.00 20.00 203.00 333.50 596.00 774.00 727.00 474.00 153.00 9.00 0.00 3289.50
2003 0.00 5.00 10.50 60.50 389.00 588.00 867.50 748.00 531.00 312.50 21.50 2.00 3535.50
2004 0.00 0.00 105.00 90.00 344.00 553.00 724.50 633.00 426.50 142.50 10.00 0.00 3028.50
2005 0.00 0.00 6.50 94.50 373.00 516.00 788.50 668.50 474.50 182.50 23.50 1.00 3128.50
2006 2.00 7.50 7.50 129.50 414.00 675.00 810.50 678.50 380.00 144.00 15.00 0.00 3263.50
2007 0.00 3.00 45.47 a 127.00 341.00 606.00 789.50 738.00 523.00 168.50 29.00 1.00 3371.47
2008 0.00 0.00 19.00 55.50 232.50 568.00 756.00 709.00 476.50 160.50 19.00 1.00 2997.00
2009 0.00 9.50 33.00 73.00 397.00 469.00 766.50 668.00 437.50 152.50 35.00 0.00 3041.00
2010 0.00 0.00 7.00 98.50 265.00 533.50 755.00 683.50 526.50 191.00 8.50 0.50 3069.00
2011 0.00 z 0.00 z 0.00 z 129.50 231.00 520.00 733.50 767.00 507.00 149.00 2.07 a 0.00 3039.07
2012 0.00 0.00 28.50 165.50 322.50 613.50 749.50 746.50 480.00 188.00 9.50 0.00 3303.50
2013 0.00 0.00 24.05 b 0.00 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 24.05
Period of Record Statistics
MEAN 0.15 1.70 12.28 79.77 261.19 514.84 712.10 657.81 432.05 146.19 9.65 0.28 2833.18
S.D. 0.79 4.86 15.96 49.88 81.45 76.24 62.73 57.94 66.38 58.55 12.31 1.08 310.27
SKEW 7.00 4.71 2.61 0.49 0.14 0.13 -0.49 -0.11 -0.51 0.21 1.86 6.42 -0.18
MAX 7.00 37.50 105.00 221.50 457.50 675.00 867.50 831.50 576.00 312.50 61.50 9.50 3601.00
MIN 0.00 0.00 0.00 3.00 42.88 342.00 496.50 474.50 191.50 25.00 0.00 0.00 1959.50
NO YRS 107 106 106 105 102 103 107 106 104 106 105 107 82