DOUGLAS SMELTER, ARIZONA

Monthly Total Growing Degree Days

(022669)

Base Temperature = 50 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 197303
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
1903 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 7.00 7.00
1904 1.00 108.00 252.00 366.00 608.50 847.50 939.00 893.00 689.50 444.00 80.89 b 10.50 5239.89
1905 31.00 63.50 166.50 259.00 509.00 859.50 941.48 d 947.00 788.50 493.50 129.50 7.50 5195.98
1906 14.50 88.50 159.00 366.00 576.50 829.00 937.50 806.00 719.50 420.50 207.50 52.00 5176.50
1907 53.50 98.00 220.00 361.50 462.50 745.50 930.50 830.50 730.50 458.00 87.50 11.00 4989.00
1908 6.00 74.00 239.00 393.00 502.50 793.50 910.50 875.00 686.00 328.50 111.00 21.50 4940.50
1909 75.50 26.00 105.50 334.00 497.50 836.50 950.50 879.00 737.50 412.00 147.50 22.50 5024.00
1910 68.50 57.50 336.00 392.50 681.50 855.50 968.00 911.00 782.00 449.50 128.00 36.50 5666.50
1911 116.50 61.50 312.00 330.50 590.00 806.00 853.00 919.00 798.10 a 425.50 167.00 8.00 5387.10
1912 21.00 52.00 148.00 211.50 546.00 776.50 848.50 868.00 711.00 409.00 46.50 0.00 4638.00
1913 9.00 14.50 127.00 339.00 535.78 a 746.00 996.00 806.53 b 0.00 z 0.00 z 186.72 a 6.50 3767.04
1914 58.50 52.00 205.00 356.50 531.50 755.69 a 667.00 703.00 673.50 408.00 204.00 9.00 4623.69
1915 3.00 53.00 117.50 307.00 486.00 826.00 925.50 917.00 723.50 460.50 170.00 17.00 5006.00
1916 104.50 196.50 297.50 376.00 583.00 899.00 970.50 932.00 737.00 485.00 108.00 24.00 5713.00
1917 9.50 35.00 124.50 264.00 452.50 894.00 918.50 832.00 750.50 531.50 175.50 29.00 5016.50
1918 17.00 92.50 243.00 379.50 457.25 a 873.10 a 926.00 819.00 735.00 450.00 123.62 a 19.24 b 5135.22
1919 4.00 9.00 111.00 0.00 z 583.50 804.50 818.00 857.00 637.50 356.00 115.50 14.00 4310.00
1920 40.00 99.50 110.50 175.00 532.00 729.50 950.50 800.50 668.50 334.00 73.50 13.00 4526.50
1921 45.00 60.50 226.50 279.83 a 513.50 745.00 883.50 806.00 714.50 457.00 118.00 69.50 4918.83
1922 26.50 67.00 107.47 a 248.50 565.50 859.50 917.50 889.00 729.00 447.50 60.50 52.50 4970.47
1923 54.50 48.50 114.00 336.50 642.00 765.50 920.00 800.00 670.50 345.65 a 120.50 10.50 4828.15
1924 0.00 22.00 52.00 243.00 557.50 918.00 936.50 928.50 772.00 428.50 159.00 9.50 5026.50
1925 2.50 79.00 219.00 381.50 632.00 790.50 918.50 815.50 699.50 453.50 67.50 20.50 5079.50
1926 0.00 58.50 117.50 257.00 539.00 814.00 910.50 886.50 767.00 479.00 134.00 33.00 4996.00
1927 55.00 103.50 172.00 358.50 639.00 801.00 940.50 816.00 698.50 424.00 224.50 9.00 5241.50
1928 7.50 33.00 193.00 338.50 629.00 837.00 945.50 836.50 720.50 463.50 107.50 23.00 5134.50
1929 5.50 7.50 123.50 289.50 600.50 853.50 908.00 832.50 709.00 421.00 35.00 4.00 4789.50
1930 10.00 77.00 132.00 422.50 489.00 862.50 885.00 865.50 659.00 391.00 120.00 1.00 4914.50
1931 5.00 13.50 148.00 347.50 599.00 837.00 949.50 825.00 755.00 453.50 111.50 4.50 5049.00
1932 0.00 73.00 108.50 291.50 541.00 773.50 901.00 873.50 674.00 373.50 71.50 12.00 4693.00
1933 0.50 2.00 150.50 230.00 446.00 815.50 979.00 908.50 803.50 484.00 118.00 34.00 4971.50
1934 4.00 78.00 214.00 421.50 688.00 782.50 967.00 859.50 733.00 478.50 167.00 30.00 5423.00
1935 32.50 37.00 153.97 a 362.00 433.00 825.00 974.50 866.00 678.00 472.00 86.00 13.00 4932.97
1936 21.50 43.00 198.00 398.50 671.00 925.00 994.50 942.50 708.00 412.50 111.50 9.50 5435.50
1937 6.00 56.00 105.50 340.00 664.36 b 830.17 a 1007.00 963.50 790.50 512.50 143.50 39.00 5458.03
1938 53.50 57.00 h 188.50 331.50 571.00 855.50 910.50 893.50 740.50 505.50 83.50 31.00 5164.50
1939 18.50 0.00 179.50 355.50 612.00 875.00 926.00 880.50 749.00 399.42 e 153.50 89.50 5238.42
1940 19.00 52.50 215.00 355.00 642.50 846.00 977.50 878.50 773.50 475.50 119.00 73.00 5427.00
1941 24.50 76.74 a 136.50 251.38 a 603.00 794.00 955.00 879.50 733.00 427.00 169.50 43.00 5093.12
1942 40.00 32.50 116.00 325.50 580.50 848.50 1005.50 893.50 753.00 419.50 206.50 39.50 5260.50
1943 29.50 125.00 213.50 469.50 672.00 840.50 948.50 903.00 748.50 450.50 144.00 19.00 5563.50
1944 5.50 28.00 121.50 286.00 584.00 796.50 962.00 938.50 719.50 523.50 111.00 15.50 5091.50
1945 15.50 57.00 89.00 318.50 600.00 747.00 971.00 941.50 777.00 493.00 142.50 26.00 5178.00
1946 11.00 37.50 161.00 483.00 549.50 893.50 967.00 927.50 788.50 414.00 73.00 40.50 5346.00
1947 16.50 92.00 156.00 324.00 652.00 824.00 1010.00 921.00 802.00 522.00 79.00 13.00 5411.50
1948 33.00 61.00 95.00 418.50 647.00 890.00 996.00 939.00 805.00 491.50 64.00 43.00 5483.00
1949 14.50 34.00 161.00 325.50 540.50 794.00 903.00 894.50 820.00 405.00 219.00 51.50 5162.50
1950 45.00 79.00 195.50 419.00 538.50 832.00 898.00 884.50 700.50 641.50 212.50 41.00 5487.00
1951 18.50 57.50 141.00 317.50 570.50 773.00 1005.00 943.50 801.50 540.50 139.50 57.50 5365.50
1952 36.00 21.50 74.50 330.00 649.00 869.00 997.50 973.00 809.00 539.00 95.00 3.50 5397.00
1953 36.00 38.50 210.50 355.00 458.00 867.50 976.50 938.00 751.50 458.00 199.50 10.50 5299.50
1954 46.00 106.00 186.00 449.00 602.50 811.50 981.00 826.00 806.50 531.50 175.00 70.00 5591.00
1955 7.00 37.00 180.50 297.50 517.50 798.00 879.00 864.00 702.50 510.50 142.00 22.50 4958.00
1956 32.00 50.00 171.50 275.00 625.00 947.50 914.00 851.00 810.00 465.00 88.00 14.00 5243.00
1957 75.00 183.00 175.00 327.00 485.00 893.00 973.50 881.00 698.00 409.50 65.00 34.00 5199.00
1958 0.50 64.00 80.50 326.50 709.00 929.00 978.00 894.00 729.00 468.00 141.50 33.50 5353.50
1959 35.00 55.50 129.50 404.50 562.50 902.00 969.00 863.50 718.00 446.40 a 112.50 25.00 5223.40
1960 11.50 17.50 231.00 337.50 536.50 882.50 959.50 921.00 759.00 406.00 175.00 16.50 5253.50
1961 8.00 43.50 171.50 399.50 612.50 895.00 966.00 909.50 720.50 443.50 86.00 17.50 5273.00
1962 13.00 114.50 72.00 466.00 592.00 784.50 917.50 990.00 786.00 529.50 223.00 32.50 5520.50
1963 20.50 125.00 208.00 377.00 681.50 809.00 1011.50 877.50 796.50 526.50 148.50 7.50 5589.00
1964 0.50 7.00 124.00 307.50 607.00 829.00 1011.08 e 880.50 688.00 469.50 87.00 34.00 5045.08
1965 62.00 44.00 124.00 371.00 536.00 709.50 955.50 911.00 677.50 321.50 j 57.00 s 31.00 4421.50
1966 0.00 1.50 166.00 329.50 0.00 z 814.50 949.00 859.00 672.41 a 396.50 162.00 44.36 b 4394.78
1967 21.50 54.00 253.50 317.00 530.00 778.50 934.81 b 867.47 b 706.00 455.00 160.18 b 2.50 5080.45
1968 9.50 117.07 b 162.75 c 271.00 545.17 b 868.50 894.87 a 797.70 c 685.80 e 461.50 127.24 a 12.00 4953.10
1969 47.10 e 19.00 102.82 a 391.11 c 561.62 a 799.00 953.00 975.47 a 754.66 a 441.00 106.00 35.13 a 5185.90
1970 22.00 63.26 a 98.68 a 215.50 581.50 851.50 992.50 930.50 723.50 347.00 161.50 67.00 5054.44
1971 79.00 50.50 223.00 277.00 544.00 797.00 986.00 841.50 739.50 370.00 152.50 36.00 5096.00
1972 17.00 68.00 325.50 349.50 550.25 a 820.00 983.50 880.00 717.00 481.02 a 63.50 35.00 5290.27
1973 7.50 46.50 54.50 k 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 54.00
Period of Record Statistics
MEAN 26.29 59.41 165.93 336.93 571.09 828.67 942.13 880.58 735.47 451.13 129.49 26.42 5169.59
S.D. 25.57 38.46 61.27 63.20 65.18 51.41 53.38 51.97 44.70 56.48 46.60 19.45 255.84
SKEW 1.38 1.12 0.70 -0.06 -0.05 0.04 -2.18 -0.44 0.10 0.26 0.20 1.02 -0.16
MAX 116.50 196.50 336.00 483.00 709.00 947.50 1011.50 990.00 820.00 641.50 224.50 89.50 5713.00
MIN 0.00 0.00 52.00 175.00 433.00 709.50 667.00 703.00 637.50 328.50 35.00 0.00 4526.50
NO YRS 70 69 69 68 68 69 69 69 68 67 68 70 64