SELIGMAN, ARIZONA

Monthly Total Growing Degree Days

(027716)

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
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 27.50 27.50
1905 50.50 104.50 161.00 276.35 d 403.00 707.00 995.62 a 994.00 761.00 405.00 154.00 4.50 5016.46
1906 42.00 93.00 164.50 274.00 488.00 760.00 1035.00 950.00 743.00 480.50 170.50 55.50 5256.00
1907 17.50 166.50 161.50 346.50 431.00 639.00 969.00 937.00 720.50 461.00 176.00 53.00 5078.50
1908 24.00 66.00 201.00 296.00 31.50 z 618.50 i 1068.00 965.50 712.50 364.00 162.50 42.50 3902.00
1909 69.00 49.00 79.00 306.50 515.50 838.50 1008.00 948.50 503.50 545.50 0.00 z 0.00 z 4863.00
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 891.50 0.00 z 0.00 z 0.00 z 891.50
1911 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1002.00 908.00 0.00 z 458.00 223.00 46.50 2637.50
1912 99.00 60.00 0.00 z 0.00 z 609.09 d 796.00 854.50 896.50 656.50 329.50 131.50 23.50 4456.09
1913 6.50 21.50 64.38 e 290.00 c 530.00 722.50 975.98 a 940.00 590.00 294.00 207.00 23.00 4664.87
1914 74.50 56.58 d 257.50 225.00 i 390.50 762.00 952.50 1003.00 754.44 c 516.15 a 196.50 r 8.50 q 4767.18
1915 0.00 0.00 z 0.00 z 0.00 z 0.00 z 489.00 i 908.30 a 959.00 592.00 413.00 116.50 22.00 3010.80
1916 6.50 153.50 244.00 322.50 461.50 746.50 974.50 786.37 a 665.50 338.33 b 125.69 a 23.00 4847.88
1917 0.00 7.00 16.00 117.00 0.00 z 0.00 z 177.50 y 844.00 0.00 z 377.17 a 0.00 z 0.00 z 1361.17
1918 0.00 z 46.50 140.50 287.50 444.73 e 984.60 e 972.22 b 941.00 772.50 540.00 61.00 32.50 5223.05
1919 4.00 8.00 100.00 423.00 617.50 808.00 965.50 944.50 0.00 z 247.50 0.00 z 12.50 4130.50
1920 57.50 40.50 42.88 a 194.00 467.50 747.93 a 361.00 s 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1550.31
1921 0.00 z 0.00 z 0.00 z 260.50 469.00 848.00 1059.50 981.50 696.00 612.00 199.50 111.00 5237.00
1922 14.00 0.00 z 109.00 226.00 481.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 19.50 j 34.50 865.00
1923 52.50 55.00 64.00 256.00 579.00 649.50 1027.00 926.50 668.50 383.00 148.50 17.00 4826.50
1924 7.00 85.00 47.50 h 385.00 726.00 912.00 964.00 951.50 771.00 374.00 229.50 34.00 5439.00
1925 39.00 140.00 265.00 424.00 731.50 892.00 1171.50 961.00 731.00 391.00 117.50 58.50 5922.00
1926 23.50 111.50 184.00 336.00 564.00 840.00 978.50 953.50 724.00 524.00 168.50 49.50 5457.00
1927 30.50 79.50 119.00 312.00 580.00 786.00 1023.50 907.00 694.00 475.00 201.00 12.50 5220.00
1928 53.00 39.00 187.50 299.00 630.50 790.00 1028.50 973.50 885.00 558.00 215.00 55.00 5714.00
1929 7.00 102.00 340.00 423.00 835.00 0.00 z 1037.00 936.00 721.50 535.00 0.00 z 58.50 4995.00
1930 4.50 97.50 146.00 449.00 495.00 809.00 977.00 929.00 778.00 450.00 123.00 6.00 5264.00
1931 43.50 48.50 184.50 395.50 590.50 742.22 c 1041.50 789.00 661.00 401.00 116.50 0.00 5013.72
1932 0.00 34.50 84.00 254.50 471.50 696.00 975.00 922.25 a 704.50 400.00 144.50 9.00 4695.75
1933 0.00 0.50 96.88 c 186.50 352.50 731.00 1037.50 0.00 z 0.00 z 0.00 z 90.50 q 70.00 2474.88
1934 38.50 80.50 228.50 i 242.00 o 659.94 e 684.50 1044.70 a 988.68 c 699.44 c 497.00 160.00 47.00 4900.27
1935 63.50 81.00 102.00 291.00 427.50 0.00 z 567.00 l 949.38 c 0.00 z 0.00 z 34.00 f 19.00 1933.38
1936 16.50 0.00 z 0.00 z 446.50 749.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1212.00
1937 0.00 z 0.00 z 67.00 150.00 g 442.50 f 786.00 990.00 940.50 793.00 0.00 z 194.00 66.50 3837.00
1938 29.00 20.00 0.00 z 323.00 590.00 928.50 0.00 z 0.00 z 0.00 z 420.00 37.00 52.00 2399.50
1939 2.00 0.00 178.50 391.50 554.50 757.00 1042.50 1001.19 d 691.50 387.50 224.50 136.00 5366.69
1940 55.00 44.00 199.95 a 330.50 626.00 917.50 1022.00 1037.50 744.50 496.50 96.00 81.50 5650.95
1941 24.00 93.00 117.50 205.50 581.50 745.00 981.50 890.00 659.48 a 374.00 204.50 31.50 4907.48
1942 44.00 9.50 103.00 284.50 466.00 747.50 1050.50 944.00 754.50 461.50 237.50 54.50 5157.00
1943 57.00 85.50 248.00 395.00 535.50 668.00 1054.50 921.50 761.50 416.00 165.50 3.50 5311.50
1944 2.00 0.00 z 66.50 239.50 475.00 689.50 860.77 a 761.50 f 318.00 q 511.50 117.93 a 90.50 3053.20
1945 9.82 a 25.00 27.50 l 153.50 575.00 0.00 z 0.00 z 772.50 h 872.00 522.00 h 168.50 28.00 1831.82
1946 30.00 51.00 225.78 a 301.00 h 632.92 a 961.50 1107.00 1018.00 0.00 z 0.00 z 100.00 123.50 4249.70
1947 31.00 176.00 284.50 450.50 825.00 911.00 1187.50 1117.00 983.00 541.50 65.00 15.50 6587.50
1948 50.50 61.50 61.00 371.50 614.00 819.00 1051.50 1020.00 840.50 523.50 100.50 11.50 5525.00
1949 0.00 18.50 115.50 460.50 567.50 832.00 1074.50 983.00 870.00 443.50 355.00 51.50 5771.50
1950 46.50 130.08 d 204.82 c 451.55 a 507.50 792.00 1002.00 952.00 675.00 593.00 272.00 138.00 5764.46
1951 34.50 72.50 176.50 378.00 620.50 585.50 h 1078.11 d 928.50 759.00 474.00 97.76 a 10.00 4629.37
1952 0.00 k 0.00 z 33.50 r 351.00 625.50 729.50 945.50 809.50 f 874.82 b 648.00 157.00 44.50 4375.82
1953 83.00 69.00 179.00 332.50 414.50 782.00 1078.00 920.50 813.50 485.50 249.50 28.00 5435.00
1954 0.00 z 190.50 84.00 473.00 686.00 807.50 1089.50 939.50 803.50 606.50 319.50 39.50 6039.00
1955 0.00 46.50 173.50 252.41 a 554.50 813.50 936.50 1021.50 800.50 591.00 196.50 104.00 5490.41
1956 104.50 11.00 211.50 329.50 682.00 914.00 1012.50 947.50 903.00 515.12 a 177.50 56.00 5864.12
1957 37.50 203.00 203.00 313.50 488.00 899.00 1074.00 969.00 816.50 458.00 101.00 85.50 5648.00
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 80.00 46.50 207.50 461.50 561.50 941.00 1162.00 970.00 737.00 552.50 183.50 87.50 5990.50
1960 11.00 16.00 288.00 407.00 626.00 936.00 1105.50 1092.00 908.00 517.00 208.00 55.50 6170.00
1961 71.50 94.00 193.50 429.50 650.50 1010.50 1151.00 1042.50 745.50 490.00 124.50 20.50 6023.50
1962 25.50 107.00 105.00 502.00 508.00 828.50 1031.50 846.00 f 863.50 565.50 285.00 115.00 4936.50
1963 25.00 215.70 a 178.00 282.50 707.50 784.50 1131.50 1017.00 879.00 638.71 b 218.00 61.50 6138.91
1964 10.50 25.00 102.50 284.50 552.00 784.50 1108.00 999.50 785.50 654.00 132.00 33.00 5471.00
1965 82.50 104.00 98.50 296.50 509.00 691.50 1000.00 990.50 704.00 599.50 248.50 58.00 5382.50
1966 10.50 4.50 222.50 400.50 639.50 807.50 1034.00 1070.50 834.50 514.50 226.50 76.50 5841.50
1967 70.50 70.00 230.00 202.50 601.50 736.50 1080.50 1031.50 776.00 554.50 250.00 2.98 e 5606.48
1968 1.07 b 120.50 156.50 105.50 p 525.21 e 798.75 b 983.00 828.50 731.11 c 456.98 b 137.59 a 5.00 4744.21
1969 80.48 e 18.31 b 71.00 j 298.33 c 571.71 e 726.92 d 1014.50 1009.88 e 763.45 a 351.16 b 155.56 c 76.43 b 5066.73
1970 32.55 a 85.00 76.00 134.00 522.35 a 806.00 1037.47 a 952.96 d 673.50 370.34 c 165.52 a 19.50 4875.19
1971 89.00 54.00 151.38 a 229.14 a 352.00 728.00 1034.37 a 928.81 e 699.44 c 327.57 a 99.44 c 24.80 a 4717.95
1972 4.00 56.39 b 304.50 294.83 a 506.33 a 757.00 1041.00 934.13 a 714.00 356.00 j 14.50 n 14.43 b 4626.61
1973 8.78 a 28.00 19.63 a 190.71 b 573.00 820.00 972.50 931.50 684.11 b 434.57 d 143.57 b 28.42 a 4834.80
1974 9.00 10.89 a 164.96 c 251.38 a 572.50 906.00 969.50 897.45 a 0.00 z 0.00 z 0.00 z 0.00 z 3781.68
1975 0.00 z 25.00 94.55 a 118.00 343.50 g 729.31 a 954.80 a 891.25 e 751.50 449.50 b 151.03 a 66.43 c 4231.37
1976 67.17 a 81.00 113.15 a 226.73 d 586.86 b 749.00 976.50 894.50 705.00 b 380.61 d 210.50 11.00 5002.02
1977 18.00 96.00 66.50 358.00 403.55 c 829.00 1001.30 a 1019.79 b 780.52 a 541.43 b 231.50 98.17 a 5443.76
1978 32.00 65.50 245.00 275.50 490.50 777.00 e 984.00 909.50 731.50 578.50 170.50 12.00 5271.50
1979 5.50 23.00 103.33 a 285.50 567.96 c 774.00 994.50 903.00 868.45 a 553.00 85.50 61.48 a 5225.23
1980 48.57 a 120.00 63.50 307.00 421.50 736.00 1030.00 931.00 732.78 c 426.00 172.00 165.00 5153.34
1981 78.65 d 97.00 119.87 a 435.00 589.53 b 940.50 1068.00 1005.00 766.50 383.00 247.00 91.00 5821.05
1982 20.00 105.00 114.50 268.50 514.00 711.50 970.50 1003.00 757.00 354.00 109.50 20.50 4948.00
1983 39.50 60.50 114.50 166.00 490.50 735.50 994.50 949.00 832.50 483.50 187.00 46.50 5099.50
1984 62.50 39.00 129.50 279.00 725.00 773.00 998.50 947.00 782.50 304.50 118.50 22.00 5181.00
1985 15.50 75.00 135.00 401.50 580.50 892.00 1069.50 992.00 614.50 472.00 130.00 50.50 5428.00
1986 114.50 141.50 251.00 312.50 575.50 855.50 929.00 984.50 585.50 356.00 146.50 20.50 5272.50
1987 33.00 65.00 0.00 z 0.00 z 204.50 r 879.00 946.00 969.50 751.00 572.50 121.50 23.50 4361.00
1988 22.00 81.50 150.50 318.00 565.50 894.50 1079.50 979.00 701.00 598.00 168.50 31.50 5589.50
1989 14.00 70.00 257.50 483.50 625.00 835.00 1101.00 926.50 764.50 438.50 198.50 20.50 5734.50
1990 27.50 46.50 206.00 381.50 520.00 887.50 1036.50 923.00 796.50 453.50 154.50 3.00 5436.00
1991 4.00 99.00 37.00 214.00 441.50 677.00 1036.50 993.00 756.00 533.00 156.00 24.00 4971.00
1992 18.50 71.50 142.00 443.00 639.00 777.50 1013.00 985.00 803.00 534.00 67.00 8.00 5501.50
1993 35.50 34.50 217.00 379.00 629.50 816.00 949.00 945.00 739.00 470.50 104.50 9.50 5329.00
1994 54.50 30.50 251.00 366.21 a 605.50 956.50 1087.50 1101.00 828.50 402.00 84.00 51.00 5818.21
1995 30.50 160.50 191.50 294.00 490.00 763.50 1054.00 1099.50 841.50 530.50 304.00 73.00 5832.50
1996 59.00 188.00 206.50 420.50 679.00 920.00 1132.50 1091.50 756.00 447.00 193.00 65.50 6158.50
1997 53.00 51.00 283.00 315.00 738.50 794.50 1022.50 1037.50 874.50 450.50 178.50 12.50 5811.00
1998 33.50 18.00 163.50 220.00 470.00 711.50 1088.50 1097.50 774.00 436.50 140.50 69.00 5222.50
1999 59.42 a 96.00 212.00 241.55 a 576.50 820.34 a 1012.00 972.00 781.00 535.50 285.00 30.50 5621.81
2000 99.00 106.16 a 173.50 471.50 766.22 a 955.50 1070.05 c 1052.00 839.50 447.00 52.50 53.50 6086.43
2001 37.50 60.15 a 229.00 321.72 a 726.36 b 900.50 1047.50 1046.77 a 864.00 588.50 273.62 a 10.00 6105.62
2002 52.00 73.50 182.50 453.50 609.00 932.00 1158.50 1040.00 788.00 455.50 181.50 19.00 5945.00
2003 146.50 88.00 186.00 262.50 675.00 869.00 1175.00 1058.50 859.00 673.50 129.00 61.00 6183.00
2004 44.50 26.50 396.50 377.50 639.00 855.50 1055.50 983.50 756.00 435.50 122.00 62.00 5754.00
2005 107.00 69.00 190.50 341.50 648.50 804.00 1110.00 955.50 755.00 533.00 250.50 57.50 5822.00
2006 48.50 94.00 110.00 388.50 715.50 977.00 1139.50 986.00 727.00 447.00 240.50 40.50 5914.00
2007 33.50 100.00 306.38 a 421.50 694.00 910.50 1157.50 1071.50 808.50 502.00 317.50 39.50 6362.38
2008 8.50 81.50 200.00 337.50 540.50 882.50 1091.50 1064.50 807.50 555.50 289.00 59.00 5917.50
2009 95.50 85.00 194.00 343.50 761.00 782.00 1115.50 1014.50 855.50 435.00 234.50 1.50 5917.50
2010 17.50 36.00 169.50 279.50 513.00 849.00 1116.00 1020.00 843.00 513.00 166.50 113.31 b 5636.31
2011 39.50 35.50 200.00 353.00 506.85 a 814.00 1059.50 1111.72 b 850.34 a 523.50 147.00 21.50 5662.42
2012 58.00 60.50 194.02 b 452.07 a 674.00 926.50 1070.50 1068.00 807.41 a 510.98 a 244.00 41.00 6106.98
2013 47.00 36.50 271.00 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 354.50
Period of Record Statistics
MEAN 38.77 71.54 166.14 325.19 572.68 814.05 1034.72 973.77 764.70 475.49 173.71 44.99 5517.72
S.D. 30.77 46.92 74.35 89.13 101.80 84.66 66.49 65.48 80.29 86.81 65.07 33.97 439.59
SKEW 0.88 0.90 0.31 -0.14 0.20 0.22 0.03 -0.07 -0.27 -0.08 0.39 1.10 0.01
MAX 146.50 215.70 396.50 502.00 835.00 1010.50 1187.50 1117.00 983.00 673.50 355.00 165.00 6587.50
MIN 0.00 0.00 16.00 117.00 352.00 639.00 854.50 786.37 503.50 247.50 37.00 0.00 4664.87
NO YRS 100 99 95 97 99 96 99 97 95 96 94 101 73