SELIGMAN, ARIZONA

Monthly Total Growing Degree Days

(027716)

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
1904 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 0.00
1905 2.50 0.00 6.50 48.46 d 143.00 407.00 685.62 a 684.00 461.00 120.50 11.00 0.00 2569.58
1906 0.00 0.50 7.00 56.00 184.50 460.00 725.00 640.00 443.00 209.50 23.50 0.00 2749.00
1907 0.00 10.00 29.00 80.50 135.50 341.00 659.00 627.00 421.00 161.00 17.50 0.00 2481.50
1908 0.00 3.50 31.50 66.00 8.00 z 408.50 i 758.00 655.50 412.50 158.50 19.00 1.50 2106.00
1909 0.00 2.00 0.50 68.00 217.00 538.50 698.00 638.50 205.00 242.00 0.00 z 0.00 z 2609.50
1910 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 591.50 0.00 z 0.00 z 0.00 z 591.50
1911 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 692.00 598.00 0.00 z 155.00 15.50 0.00 1460.50
1912 0.00 0.00 0.00 z 0.00 z 299.09 d 496.00 544.50 586.50 356.50 92.50 1.00 0.00 2376.09
1913 0.00 0.00 0.00 e 37.22 c 230.50 422.50 665.98 a 630.00 324.00 68.50 21.50 0.00 2400.21
1914 0.50 0.58 d 37.00 53.00 i 170.50 462.00 642.50 693.00 454.44 c 206.15 a 76.50 r 0.00 q 2666.68
1915 0.00 0.00 z 0.00 z 0.00 z 0.00 z 279.00 i 598.30 a 649.00 301.00 129.50 20.00 0.00 1697.80
1916 0.00 1.00 59.00 78.50 158.00 446.50 664.50 476.37 a 365.50 59.86 b 0.52 a 0.00 2309.75
1917 0.00 0.00 0.00 16.50 0.00 z 0.00 z 117.50 y 534.00 0.00 z 99.72 a 0.00 z 0.00 z 650.22
1918 0.00 z 1.00 8.00 51.50 152.62 e 684.60 e 662.22 b 631.00 472.50 241.00 14.50 0.00 2918.94
1919 0.00 0.00 0.50 149.00 307.50 508.00 655.50 634.50 0.00 z 33.50 0.00 z 0.00 2288.50
1920 0.00 0.00 0.00 a 25.50 168.00 447.93 a 241.00 s 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 641.43
1921 0.00 z 0.00 z 0.00 z 38.50 173.00 548.00 749.50 671.50 396.00 302.00 7.00 0.00 2885.50
1922 0.00 0.00 z 6.50 46.50 179.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 j 0.00 232.50
1923 0.00 0.00 0.00 28.50 269.50 349.50 717.00 616.50 370.00 96.00 1.50 0.00 2448.50
1924 0.00 4.00 0.00 h 121.50 416.00 612.00 654.00 641.50 471.00 96.00 57.00 0.00 3073.00
1925 0.00 9.50 61.50 163.50 421.50 592.00 861.50 651.00 431.00 108.50 0.00 5.00 3305.00
1926 0.00 4.50 12.00 83.50 260.50 540.00 668.50 643.50 424.00 219.50 2.00 1.50 2859.50
1927 0.00 1.50 3.00 98.50 283.00 486.00 713.50 597.00 394.00 176.00 20.00 0.00 2772.50
1928 0.00 0.00 16.00 79.00 322.00 490.00 718.50 663.50 585.00 272.00 17.50 0.00 3163.50
1929 0.00 4.00 108.00 162.00 525.00 0.00 z 727.00 626.00 421.50 233.50 0.00 z 0.00 2807.00
1930 0.00 11.00 2.50 162.50 192.50 511.00 667.00 619.00 478.00 150.50 7.00 0.00 2801.00
1931 0.00 0.00 12.00 97.50 280.50 442.22 c 731.50 479.00 361.00 123.50 18.00 0.00 2545.22
1932 0.00 0.00 3.50 38.00 185.50 405.00 665.00 612.25 a 404.50 141.50 0.00 0.00 2455.25
1933 0.00 0.00 0.55 c 15.50 122.50 431.00 727.50 0.00 z 0.00 z 0.00 z 4.00 q 0.00 1297.05
1934 0.00 0.00 35.50 i 100.00 o 352.92 e 384.50 734.70 a 678.68 c 399.44 c 204.00 29.50 0.00 2783.75
1935 3.50 0.00 8.50 53.00 147.00 0.00 z 377.00 l 639.38 c 0.00 z 0.00 z 0.00 f 0.00 851.38
1936 0.00 0.00 z 0.00 z 181.50 439.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 620.50
1937 0.00 z 0.00 z 0.00 20.50 g 192.50 f 486.00 680.00 630.50 493.00 0.00 z 8.50 0.00 2298.00
1938 0.00 0.00 0.00 z 95.00 305.50 628.50 0.00 z 0.00 z 0.00 z 141.50 0.00 5.50 1176.00
1939 0.00 0.00 47.00 120.50 244.50 457.00 732.50 691.19 d 391.50 109.00 22.50 0.00 2815.69
1940 0.50 0.00 22.73 a 82.50 316.00 617.50 712.00 727.50 444.50 216.00 1.00 0.00 3140.23
1941 0.00 0.00 0.00 13.00 271.50 445.00 671.50 580.00 359.48 a 143.50 27.50 0.00 2511.48
1942 0.00 0.00 2.00 55.50 180.50 447.50 740.50 634.00 454.50 166.50 33.00 0.00 2714.00
1943 0.00 0.00 27.50 133.00 232.50 368.00 744.50 611.50 461.50 138.50 11.00 0.00 2728.00
1944 0.00 0.00 z 0.00 8.50 181.50 389.50 550.77 a 511.50 f 188.00 q 204.00 13.45 a 2.00 1349.71
1945 0.00 a 0.00 0.00 l 45.00 265.00 0.00 z 0.00 z 542.50 h 572.00 292.00 h 45.50 0.00 927.50
1946 0.00 0.50 23.25 a 110.50 h 322.92 a 661.50 797.00 708.00 0.00 z 0.00 z 0.00 1.50 2514.67
1947 0.00 11.50 65.50 177.50 517.00 611.00 877.50 807.00 683.00 237.50 6.50 0.00 3994.00
1948 0.00 5.50 0.00 120.00 305.00 519.00 741.50 710.00 540.50 223.50 1.50 0.00 3166.50
1949 0.00 0.00 1.50 192.50 257.50 532.00 764.50 673.00 570.00 180.50 79.00 1.00 3251.50
1950 0.00 2.33 d 11.07 c 174.31 a 223.00 492.00 692.00 642.00 375.00 284.00 62.00 1.00 2958.72
1951 0.00 6.50 19.00 95.50 322.00 365.50 h 768.11 d 618.50 459.00 200.50 1.03 a 0.00 2490.15
1952 0.00 k 0.00 z 0.00 r 77.50 315.50 429.50 635.50 559.50 f 574.82 b 338.00 19.00 0.00 2389.82
1953 0.00 3.50 26.50 98.00 151.50 482.00 768.00 610.50 513.50 196.50 47.50 0.00 2897.50
1954 0.00 z 11.00 3.00 178.00 383.50 507.50 779.50 629.50 503.50 304.00 51.50 0.00 3351.00
1955 0.00 6.50 21.50 46.55 a 262.50 513.50 626.50 711.50 500.50 281.00 32.00 0.00 3002.05
1956 0.00 0.00 36.00 88.50 372.00 614.00 702.50 637.50 603.00 223.20 a 22.00 0.00 3298.70
1957 0.00 38.50 15.00 64.00 204.50 599.00 764.00 659.00 516.50 158.00 1.50 0.00 3020.00
1958 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
1959 0.00 0.50 2.00 170.00 257.50 641.00 852.00 660.00 437.00 251.50 2.50 0.00 3274.00
1960 0.00 0.00 61.00 136.50 318.50 636.00 795.50 782.00 608.00 219.50 36.00 0.00 3593.00
1961 0.00 0.00 15.00 151.00 340.50 710.50 841.00 732.50 445.50 213.50 4.50 0.00 3454.00
1962 0.00 5.00 8.50 203.50 211.50 528.50 721.50 596.00 f 563.50 257.50 62.50 0.00 2562.00
1963 3.50 26.96 a 25.00 71.00 397.50 484.50 821.50 707.00 579.00 328.71 b 17.50 0.00 3462.17
1964 0.00 0.00 20.50 75.00 280.00 484.50 798.00 689.50 485.50 344.00 5.50 0.00 3182.50
1965 1.00 0.00 4.50 112.50 218.00 391.50 690.00 680.50 404.00 290.50 40.50 0.00 2833.00
1966 0.00 0.00 21.00 127.50 330.50 507.50 724.00 760.50 534.50 212.50 28.50 1.50 3248.00
1967 1.50 0.00 24.00 18.00 306.50 436.50 770.50 721.50 476.00 251.50 30.50 0.00 e 3036.50
1968 0.00 b 13.00 11.50 9.00 p 227.13 e 498.75 b 673.00 518.50 431.11 c 153.40 b 11.90 a 0.00 2538.29
1969 2.98 e 0.00 b 6.50 j 47.78 c 269.46 e 426.92 d 704.50 699.88 e 463.45 a 97.28 b 3.33 c 0.00 b 2715.59
1970 0.00 a 3.50 0.00 7.00 224.23 a 506.00 727.47 a 642.96 d 373.50 108.50 c 10.34 a 0.00 2603.51
1971 8.50 0.00 25.83 a 27.41 a 88.50 428.00 724.37 a 618.81 e 399.44 c 128.13 a 6.11 c 0.00 a 2455.11
1972 0.00 0.00 b 61.00 59.48 a 200.47 a 457.00 731.00 624.13 a 414.00 162.00 j 0.00 n 0.00 b 2547.08
1973 0.00 a 0.00 0.00 a 22.50 b 270.50 520.00 662.50 621.50 384.11 b 153.85 d 20.89 b 0.00 a 2655.85
1974 0.00 0.00 a 6.09 c 32.59 a 271.50 606.00 659.50 587.45 a 0.00 z 0.00 z 0.00 z 0.00 z 2163.13
1975 0.00 z 0.00 0.00 a 3.50 144.00 g 429.31 a 644.80 a 581.25 e 451.50 169.43 b 12.93 a 0.00 c 2292.72
1976 0.52 a 1.50 5.17 a 28.27 d 281.67 b 449.00 666.50 584.50 405.00 b 110.22 d 19.50 0.00 2551.85
1977 0.00 1.00 1.00 110.00 120.12 c 529.00 691.30 a 709.79 b 480.52 a 236.24 b 23.50 0.00 a 2902.48
1978 0.00 0.00 53.00 38.00 201.00 477.00 e 674.00 599.50 431.50 269.50 33.00 0.00 2776.50
1979 0.00 0.00 3.62 a 65.00 272.36 c 474.00 684.50 593.00 568.45 a 268.50 3.50 0.00 a 2932.92
1980 3.62 a 0.50 0.00 87.00 136.50 436.00 720.00 621.00 432.78 c 190.00 26.00 18.50 2671.89
1981 0.00 d 3.00 1.55 a 161.50 280.60 b 640.50 758.00 695.00 466.50 123.50 28.50 0.00 3158.65
1982 0.00 1.00 7.00 44.50 208.00 411.50 660.50 693.00 460.00 86.00 2.50 0.00 2574.00
1983 0.00 0.00 3.50 9.00 214.50 435.50 684.50 639.00 532.50 173.50 38.50 0.00 2730.50
1984 0.00 0.00 3.00 73.00 415.50 473.00 688.50 637.00 482.50 84.00 8.00 0.00 2864.50
1985 0.00 0.00 8.00 131.00 273.00 592.00 759.50 682.00 315.50 164.50 14.00 0.00 2939.50
1986 0.00 30.00 47.50 75.50 288.50 555.50 619.00 674.50 296.50 88.00 4.00 0.00 2679.00
1987 0.00 0.50 0.00 z 0.00 z 76.00 r 579.00 636.00 659.50 451.00 262.50 10.00 0.00 2598.50
1988 0.00 1.50 21.00 73.00 280.00 594.50 769.50 669.00 401.00 288.00 37.50 0.00 3135.00
1989 0.00 3.50 35.50 203.50 323.50 535.00 791.00 616.50 464.50 174.00 9.00 0.00 3156.00
1990 0.00 0.00 26.50 115.00 225.00 587.50 726.50 613.00 496.50 160.50 14.50 0.00 2965.00
1991 0.00 0.00 0.00 24.00 159.50 387.00 726.50 683.00 456.00 273.00 26.00 0.00 2735.00
1992 0.00 0.00 0.00 149.00 329.00 477.50 703.00 675.00 503.00 224.00 0.00 0.00 3060.50
1993 0.00 0.00 14.00 106.00 325.00 516.00 639.00 635.00 439.00 170.00 2.50 0.00 2846.50
1994 0.00 1.00 29.50 126.72 a 298.50 656.50 777.50 791.00 528.50 123.00 5.50 0.00 3337.72
1995 0.00 11.00 27.00 73.50 198.00 463.50 744.00 789.50 541.50 223.00 36.00 4.00 3111.00
1996 2.50 21.00 18.00 140.00 370.50 620.00 822.50 781.50 456.00 231.50 13.50 0.00 3477.00
1997 6.50 0.00 49.50 112.00 428.50 494.50 712.50 727.50 574.50 184.00 23.50 0.00 3313.00
1998 0.00 0.00 19.00 65.50 164.50 411.50 778.50 787.50 474.00 152.00 1.50 0.00 2854.00
1999 3.10 a 0.00 11.50 58.45 a 272.00 520.34 a 702.00 662.00 481.00 231.00 58.00 0.00 2999.39
2000 8.00 0.00 a 4.50 183.00 456.22 a 655.50 760.05 c 742.00 539.50 187.50 0.00 0.00 3536.27
2001 0.00 0.00 a 35.00 104.48 a 422.78 b 600.50 737.50 736.77 a 564.00 278.50 65.69 a 0.00 3545.21
2002 3.00 0.00 28.00 166.50 303.50 632.00 848.50 730.00 488.00 166.50 8.50 0.00 3374.50
2003 1.00 0.00 15.00 39.50 376.00 569.00 865.00 748.50 559.00 363.50 3.50 0.00 3540.00
2004 0.00 0.00 135.50 90.00 329.00 555.50 745.50 673.50 456.00 176.50 12.50 0.00 3174.00
2005 2.50 0.00 19.50 70.00 343.00 504.00 800.00 645.50 455.00 224.00 36.50 0.00 3100.00
2006 0.50 4.00 5.00 108.50 405.50 677.00 829.50 676.00 427.00 161.00 36.00 0.50 3330.50
2007 0.00 1.00 70.27 a 151.50 387.50 610.50 847.50 761.50 508.50 199.00 96.50 0.50 3634.27
2008 0.00 1.00 12.00 70.50 238.50 582.50 781.50 754.50 507.50 260.50 65.50 0.00 3274.00
2009 1.50 3.50 30.50 110.00 451.00 482.00 805.50 704.50 555.50 154.50 47.50 0.00 3346.00
2010 0.00 0.00 12.50 67.00 215.00 549.00 806.00 710.00 543.00 216.50 43.00 0.00 b 3162.00
2011 0.00 0.00 18.50 94.50 212.35 a 514.00 749.50 801.72 b 550.34 a 230.00 4.50 0.00 3175.42
2012 0.00 0.00 16.57 b 179.48 a 364.00 626.50 760.50 758.00 507.41 a 214.93 a 39.50 0.00 3466.90
2013 0.00 0.00 44.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 44.50
Period of Record Statistics
MEAN 0.57 2.76 19.50 89.50 274.27 514.29 724.72 663.77 465.35 191.14 21.07 0.44 3008.05
S.D. 1.55 6.35 23.41 52.51 92.05 84.33 66.49 65.48 79.02 68.98 20.05 2.02 353.33
SKEW 3.42 3.56 2.25 0.39 0.42 0.23 0.04 -0.07 -0.21 0.16 1.29 7.47 0.16
MAX 8.50 38.50 135.50 203.50 525.00 710.50 877.50 807.00 683.00 363.50 96.50 18.50 3994.00
MIN 0.00 0.00 0.00 3.50 88.50 341.00 544.50 476.37 205.00 33.50 0.00 0.00 2309.75
NO YRS 100 99 95 97 99 96 99 97 95 96 94 101 73