TOMBSTONE, ARIZONA

Monthly Total Growing Degree Days

(028619)

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
1893 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 890.00 816.00 0.00 z 0.00 z 0.00 z 0.00 z 1706.00
1894 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
1895 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
1896 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
1897 0.00 z 28.00 r 69.00 g 413.00 693.50 831.50 860.50 791.50 662.50 381.50 223.50 25.00 4882.50
1898 16.00 98.00 87.50 410.50 541.00 820.00 840.50 796.50 696.50 518.50 147.50 10.50 4983.00
1899 8.50 34.50 173.82 c 386.00 526.50 750.50 843.50 833.00 804.00 0.00 z 0.00 z 0.00 z 4360.32
1900 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 983.50 880.50 656.50 463.50 189.50 31.00 3204.50
1901 57.00 55.00 140.00 307.50 589.50 822.50 964.00 829.50 747.00 462.00 197.50 66.50 5238.00
1902 51.00 58.50 80.50 445.00 604.00 907.50 868.50 797.00 690.50 546.50 0.00 z 0.00 z 5049.00
1903 0.00 z 0.00 z 0.00 z 208.00 m 543.00 793.00 904.00 876.02 b 671.50 460.50 289.00 24.50 k 4537.02
1904 139.50 0.00 z 0.00 z 291.50 j 600.50 846.00 873.50 719.50 598.50 346.50 129.50 19.50 4273.00
1905 39.00 43.50 96.00 218.00 472.50 804.00 867.00 787.50 630.50 413.00 80.50 2.50 4454.00
1906 22.00 46.50 157.00 295.00 530.50 843.50 849.50 685.00 645.00 396.50 179.00 40.00 4689.50
1907 20.50 76.00 229.00 346.50 451.50 724.00 865.00 717.50 626.50 389.50 64.00 41.00 4551.00
1908 8.00 96.50 291.00 400.00 497.50 796.00 842.50 823.00 715.00 422.00 188.00 13.00 5092.50
1909 122.00 59.00 113.50 352.50 500.50 823.50 883.00 772.00 638.50 479.50 205.50 35.50 4985.00
1910 73.50 57.50 314.50 398.00 674.50 818.00 862.50 854.00 745.00 431.50 174.50 83.00 5486.50
1911 126.50 37.50 296.00 377.00 633.50 832.50 831.00 903.50 748.00 383.50 96.00 9.00 5274.00
1912 35.50 56.00 124.00 232.50 579.50 859.00 810.50 789.50 710.00 344.50 127.50 2.50 4671.00
1913 13.50 19.50 140.50 388.00 640.50 801.50 880.00 857.00 708.00 473.50 174.00 5.00 5101.00
1914 85.50 56.00 203.50 420.50 678.00 848.00 811.00 887.50 758.50 367.00 171.00 0.00 5286.50
1915 3.00 43.50 130.50 316.50 494.50 852.50 910.00 906.00 720.00 587.00 200.00 60.50 5224.00
1916 75.00 193.00 319.50 395.50 590.50 890.50 902.50 824.50 723.00 441.00 183.50 29.00 5567.50
1917 1.50 47.00 154.50 323.50 432.00 902.50 962.00 963.67 b 801.00 678.26 b 0.00 z 0.00 z 5265.93
1918 0.00 z 0.00 z 243.00 332.50 513.50 903.50 907.50 857.00 802.00 529.00 145.50 32.00 5265.50
1919 9.00 13.50 127.50 397.00 586.00 852.50 799.50 840.50 645.00 362.50 132.50 65.00 4830.50
1920 63.00 82.00 132.00 222.50 621.00 800.50 989.00 0.00 z 700.50 386.00 155.00 27.00 4178.50
1921 65.50 99.50 264.50 329.50 583.00 855.00 854.00 794.00 737.50 552.00 251.00 127.00 5512.50
1922 26.00 105.00 161.50 277.50 635.00 903.00 904.00 879.50 741.50 514.50 98.00 95.00 5340.50
1923 137.00 58.00 114.50 319.50 708.00 862.00 913.00 699.00 537.50 316.50 112.50 19.00 4796.50
1924 7.50 92.50 66.00 250.50 609.50 929.50 902.00 913.50 782.00 503.00 254.00 22.50 5332.50
1925 40.00 129.50 284.50 421.50 676.50 750.00 866.50 745.50 691.00 429.50 98.50 19.50 5152.50
1926 1.50 99.00 127.50 239.00 539.50 870.50 911.00 866.50 733.00 479.00 0.00 z 34.50 4901.00
1927 124.00 117.50 174.50 373.00 663.50 822.00 910.00 780.00 673.00 471.00 305.00 9.00 5422.50
1928 43.00 65.50 242.00 359.00 634.00 839.00 963.00 820.00 760.50 499.50 117.50 39.50 5382.50
1929 16.00 17.00 131.50 303.50 601.50 890.50 925.00 805.00 746.00 470.50 106.50 106.50 5119.50
1930 9.50 153.00 118.00 430.50 465.00 831.00 829.50 845.00 673.00 442.00 131.00 8.00 4935.50
1931 16.50 20.00 166.50 362.50 626.00 827.00 927.50 763.00 684.00 497.50 137.50 19.50 5047.50
1932 10.00 96.00 138.00 356.00 571.00 816.00 889.00 862.50 729.60 e 451.00 228.00 26.50 5173.60
1933 10.50 19.70 a 199.50 257.50 469.00 819.50 922.00 854.50 750.50 492.50 218.50 115.00 5128.70
1934 24.00 119.00 255.50 f 446.50 738.50 787.00 942.00 784.00 593.00 f 595.50 230.50 80.00 4747.00
1935 90.50 62.50 182.38 a 369.00 467.00 872.00 958.50 796.00 650.00 512.00 144.50 25.00 5129.38
1936 34.50 37.50 215.00 433.00 700.00 909.50 951.00 872.00 518.00 f 501.50 149.00 33.50 4836.50
1937 4.50 76.00 129.00 351.00 658.50 820.50 935.50 885.50 759.50 533.50 213.00 49.50 5416.00
1938 60.00 86.50 147.50 355.50 569.50 870.00 708.00 f 859.50 701.00 533.00 142.50 97.50 4422.50
1939 24.50 10.00 209.00 403.50 632.50 871.50 894.50 800.50 661.00 378.50 155.00 0.00 z 5040.50
1940 27.00 39.50 223.00 335.50 588.50 773.00 878.00 0.00 z 715.50 491.00 140.00 88.00 4299.00
1941 16.50 69.00 139.50 232.00 639.00 812.00 906.00 859.98 b 726.00 417.00 221.50 54.50 5092.98
1942 63.60 b 48.50 137.00 327.00 688.50 878.50 1012.00 885.00 771.43 b 451.50 236.00 h 70.50 5333.53
1943 75.50 138.00 218.00 488.50 692.50 851.00 940.50 848.50 757.50 446.50 187.50 24.00 5668.00
1944 23.50 24.00 h 94.00 276.00 604.00 807.50 917.50 889.00 678.50 514.00 91.00 40.50 4935.50
1945 25.50 74.00 86.50 328.00 649.50 789.00 921.50 891.50 726.50 527.00 210.00 15.50 5244.50
1946 34.00 59.00 194.00 512.50 605.50 954.50 911.00 852.00 765.00 398.50 104.50 96.50 5487.00
1947 0.00 z 0.00 z 165.00 k 333.50 674.00 774.50 950.00 872.00 815.36 b 544.50 71.00 1.50 5036.36
1948 77.00 65.50 75.00 479.50 685.50 912.00 984.50 848.00 738.00 474.00 130.00 18.60 a 5487.60
1949 4.50 71.00 0.00 z 0.00 z 682.50 799.50 875.00 949.50 798.50 0.00 z 301.50 84.50 4566.50
1950 106.00 194.00 275.00 503.00 598.00 816.50 807.50 0.00 z 733.50 791.00 370.00 211.46 c 5405.96
1951 79.00 0.00 z 0.00 z 238.50 0.00 z 783.00 950.00 0.00 z 0.00 z 560.00 159.50 27.00 2797.00
1952 47.50 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 0.00 z 0.00 z 47.50
1953 0.00 z 0.00 z 253.00 329.50 460.50 912.00 930.50 869.00 811.50 583.00 261.50 58.50 5469.00
1954 92.47 b 156.00 170.00 534.44 c 690.61 d 847.00 707.50 h 754.50 796.00 594.00 257.00 97.00 4989.02
1955 0.50 r 55.00 197.50 299.50 548.70 a 825.50 867.50 782.00 768.50 598.50 201.00 140.00 5283.70
1956 110.00 43.50 257.00 320.50 699.50 911.50 867.00 815.50 838.50 548.00 132.00 43.00 5586.00
1957 77.50 228.00 181.00 315.00 486.50 875.50 944.00 824.50 733.50 409.00 73.00 79.50 5227.00
1958 2.00 84.00 71.00 313.50 749.00 903.50 924.00 823.00 704.00 449.50 195.50 151.50 5370.50
1959 82.50 54.00 176.50 452.50 587.00 915.50 893.50 778.00 743.00 492.00 115.00 42.00 5331.50
1960 28.00 20.50 277.00 383.50 604.50 898.50 904.50 876.00 773.00 423.50 241.00 56.00 5486.00
1961 15.00 83.00 164.00 417.00 651.00 907.76 a 931.00 819.00 690.50 466.00 105.00 29.50 5278.76
1962 14.50 134.50 101.00 500.00 563.50 791.00 837.00 956.50 756.00 546.50 303.50 68.00 5572.00
1963 73.00 173.00 171.50 290.00 709.50 794.50 957.00 812.00 760.50 593.50 175.00 39.00 j 5509.50
1964 13.50 15.00 80.00 282.50 584.00 808.00 893.00 812.50 710.17 a 580.00 142.76 a 60.00 4981.43
1965 82.00 63.50 119.50 352.50 553.50 706.50 881.50 864.00 698.00 556.50 318.00 65.50 5261.00
1966 25.00 8.00 230.50 391.00 647.50 829.50 905.50 805.00 658.50 477.00 255.50 65.00 5298.00
1967 66.00 103.00 339.50 273.00 522.00 742.50 877.19 d 819.00 656.00 482.00 235.50 8.50 5124.19
1968 31.00 129.50 128.00 221.50 546.50 871.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1927.50
1969 0.00 z 0.00 z 117.50 386.00 637.50 811.00 898.50 929.50 753.50 440.50 141.00 102.00 5217.00
1970 57.00 96.50 82.00 232.50 621.00 867.50 977.00 901.00 704.00 392.00 234.50 96.00 5261.00
1971 142.00 81.93 a 288.50 342.00 553.00 860.00 1026.50 844.00 771.50 378.00 220.00 43.00 5550.43
1972 41.00 158.00 400.00 411.50 597.50 818.00 979.00 870.50 733.00 468.50 89.00 50.50 5616.50
1973 24.50 66.50 61.50 242.50 608.00 851.50 931.00 921.00 792.50 549.00 277.00 89.50 5414.50
1974 64.00 51.00 272.00 399.31 a 676.00 984.00 888.50 833.00 661.50 426.50 161.50 15.00 5432.31
1975 63.00 44.00 140.00 221.00 510.50 815.00 853.50 945.50 694.50 492.50 205.50 51.00 5036.00
1976 40.50 101.50 155.50 313.00 534.50 805.50 829.00 833.00 620.00 311.50 128.50 4.13 a 4676.63
1977 1.50 75.50 103.50 376.00 563.50 896.50 901.00 881.50 729.50 483.50 218.00 105.50 5335.50
1978 27.90 a 38.50 235.00 358.00 597.50 949.50 1005.50 872.50 716.00 541.00 178.00 18.50 5537.90
1979 6.50 76.00 118.00 342.00 500.50 790.00 962.50 824.50 771.50 572.00 114.50 60.00 5138.00
1980 37.00 134.50 94.00 346.00 532.00 965.50 1001.50 867.00 772.00 427.00 222.50 121.50 5520.50
1981 21.00 63.50 81.00 410.00 557.00 908.00 886.00 859.50 726.00 412.00 269.00 126.50 5319.50
1982 49.00 99.00 206.00 377.00 572.50 822.00 902.00 858.50 782.50 505.00 158.00 46.50 5378.00
1983 36.00 69.50 125.00 242.00 584.00 774.50 907.50 892.50 820.00 405.00 168.00 61.50 5085.50
1984 21.00 50.50 213.00 303.50 752.50 797.50 865.50 807.50 738.50 350.30 a 181.00 61.00 5141.80
1985 1.03 a 84.50 182.50 406.00 628.00 884.50 944.50 877.50 649.00 439.17 a 150.50 73.50 5320.70
1986 116.50 165.00 288.50 467.00 687.00 878.00 863.00 888.00 679.50 421.00 163.50 29.00 5646.00
1987 49.00 58.50 109.00 400.50 532.00 869.00 959.00 809.50 676.50 610.00 156.50 79.05 a 5308.55
1988 37.00 133.00 211.50 339.00 653.00 876.50 930.00 805.00 645.00 523.00 197.00 31.50 5381.50
1989 11.50 136.50 351.50 617.50 748.00 902.00 970.50 853.50 768.50 459.00 202.00 24.00 6044.50
1990 55.00 68.00 225.50 397.50 560.50 981.50 845.00 737.50 716.00 480.00 194.00 31.00 5291.50
1991 25.00 82.00 105.50 333.00 593.50 716.00 889.00 892.50 712.00 548.50 166.50 26.50 5090.00
1992 3.50 62.00 136.50 431.50 565.50 794.00 862.50 792.50 748.00 535.50 95.50 25.00 5052.00
1993 27.00 16.50 209.00 418.00 692.50 898.50 921.00 887.50 767.00 503.00 181.50 76.00 5597.50
1994 106.50 79.00 245.00 431.50 654.50 954.50 933.00 869.50 696.00 436.50 115.00 27.50 5548.50
1995 21.00 133.00 186.00 259.00 491.50 799.00 972.50 938.00 755.50 600.00 329.00 112.00 5596.50
1996 91.00 150.50 194.00 425.50 762.00 959.00 977.50 886.50 688.50 495.50 250.50 104.50 5985.00
1997 48.00 65.00 324.50 317.50 744.50 873.00 1003.50 912.50 849.00 478.50 276.00 18.00 5910.00
1998 70.00 27.00 186.52 a 253.00 618.00 815.50 963.50 915.50 815.00 524.00 224.00 66.50 5478.52
1999 95.50 167.50 301.00 333.50 655.50 837.00 849.50 815.50 732.50 540.00 352.00 49.17 b 5728.67
2000 149.50 152.50 215.45 a 491.00 796.00 874.50 975.50 869.50 841.00 426.00 51.50 76.98 a 5919.43
2001 23.50 88.50 203.50 276.50 i 740.50 937.78 c 899.60 e 895.68 c 819.50 573.50 266.25 b 40.50 5488.80
2002 70.50 105.50 184.00 492.50 629.50 960.50 930.50 857.00 764.50 408.50 201.50 23.00 5627.50
2003 130.50 66.00 143.50 311.50 669.50 876.00 1010.00 888.00 760.20 e 605.10 e 161.00 92.50 5713.80
2004 25.50 26.50 323.50 301.00 634.00 831.00 891.00 840.00 697.00 439.00 71.00 26.50 5106.00
2005 33.00 35.00 115.00 356.00 665.50 0.00 z 1005.00 785.00 768.00 493.00 0.00 z 90.00 4345.50
2006 59.50 101.00 192.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 36.50 389.00
2007 14.00 82.50 239.50 346.00 637.50 907.50 907.00 838.00 734.00 521.00 337.00 45.50 5609.50
2008 20.50 105.50 0.00 z 427.76 a 537.50 892.00 845.78 a 844.50 719.00 555.00 203.00 78.50 5229.04
2009 122.50 162.00 281.50 362.50 727.00 795.00 973.50 950.50 763.50 456.00 0.00 z 0.00 z 5594.00
2010 21.50 37.50 115.00 363.50 588.50 920.00 952.00 893.50 828.50 545.50 183.00 175.00 5623.50
2011 50.50 96.00 311.55 a 465.50 585.26 b 953.00 923.80 a 927.50 821.38 a 520.00 161.50 53.22 a 5869.20
2012 119.00 126.00 299.00 538.00 753.50 990.00 911.92 a 943.00 742.50 605.02 a 300.50 93.50 6421.93
2013 66.65 a 36.50 357.53 a 31.00 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 460.68
Period of Record Statistics
MEAN 48.65 81.14 186.11 360.85 608.93 852.24 910.62 846.30 728.37 484.19 183.95 54.94 5326.92
S.D. 38.73 45.76 77.38 79.52 79.04 59.85 51.04 56.08 56.92 78.12 68.65 39.86 336.45
SKEW 0.85 0.75 0.52 0.35 0.00 0.12 0.09 -0.35 -0.30 0.45 0.46 1.10 0.12
MAX 149.50 228.00 400.00 617.50 796.00 990.00 1026.50 963.67 849.00 791.00 370.00 211.46 6421.93
MIN 1.03 8.00 61.50 218.00 432.00 706.50 799.50 685.00 537.50 311.50 51.50 0.00 4454.00
NO YRS 109 106 107 109 112 112 112 110 110 111 106 107 83