WILLIAMS, ARIZONA

Monthly Total Growing Degree Days

(029359)

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
1897 0.00 z 0.00 z 15.50 y 247.76 a 554.00 661.00 869.50 848.37 a 634.00 294.50 a 140.36 b 0.00 4249.48
1898 1.50 12.00 25.83 a 321.00 367.50 0.00 z 0.00 z 0.00 z 0.00 z 126.00 n 57.50 1.50 786.83
1899 0.00 13.00 76.00 276.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 365.00
1900 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
1901 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
1902 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 851.50 852.50 0.00 z 0.00 z 26.50 0.00 z 1730.50
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 604.50 369.50 231.00 24.59 b 1229.59
1904 4.00 129.00 158.50 249.50 512.00 732.00 857.31 b 790.50 589.66 a 334.00 132.50 10.00 4498.97
1905 16.00 13.00 67.00 160.50 306.50 669.50 859.50 858.50 689.48 a 378.50 147.50 0.00 z 4165.98
1906 0.00 z 0.00 z 0.00 z 273.50 370.50 612.00 719.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1975.50
1907 0.00 z 0.00 z 0.00 z 178.00 l 294.00 520.50 837.52 a 805.50 581.50 475.33 a 0.00 z 0.00 z 3514.35
1908 0.00 z 19.50 108.50 184.50 88.50 r 516.50 810.00 762.00 588.50 352.50 85.00 1.50 3428.50
1909 9.19 d 2.00 f 27.50 165.50 326.02 a 679.00 903.50 884.50 668.50 492.00 274.00 0.00 z 4429.70
1910 0.00 z 0.00 z 183.50 285.52 a 542.50 752.59 a 878.00 896.50 714.50 499.50 122.00 38.00 4912.60
1911 13.43 a 3.50 117.91 c 180.00 389.00 330.50 n 0.00 z 396.50 n 598.00 307.86 b 27.50 11.50 1648.71
1912 63.11 c 7.50 19.00 71.90 a 402.00 638.79 a 765.00 782.00 405.00 f 305.00 36.50 t 12.92 a 3067.21
1913 0.00 e 11.50 31.50 262.00 462.50 575.89 b 894.50 877.00 637.50 321.00 60.50 i 2.00 4075.39
1914 32.50 2.15 b 128.50 268.00 512.50 693.50 845.50 883.50 b 520.50 g 282.88 c 113.50 0.52 a 3763.05
1915 0.00 1.50 k 73.50 g 205.00 355.00 627.41 a 901.50 894.50 610.50 430.00 146.00 8.00 4177.91
1916 6.50 59.50 174.00 f 247.50 429.50 731.79 b 858.00 612.00 g 560.69 a 208.70 c 69.50 10.50 3182.17
1917 0.00 4.50 42.00 106.50 215.00 671.50 922.50 753.00 617.00 362.00 131.50 42.50 3868.00
1918 3.00 25.00 72.00 165.50 347.50 788.00 802.50 728.00 647.88 d 163.00 k 67.50 10.33 a 3657.22
1919 0.00 0.00 23.00 227.50 504.50 670.00 834.50 787.52 e 650.17 a 138.98 a 85.86 a 17.57 a 3939.60
1920 50.00 18.00 36.50 103.50 447.00 638.57 b 854.10 b 758.50 554.50 250.50 42.50 7.50 3761.18
1921 4.00 42.50 106.50 158.50 385.00 660.00 b 843.00 779.00 572.50 356.50 91.50 33.00 4032.00
1922 2.14 b 11.50 30.00 123.50 436.00 767.50 897.00 835.00 653.00 294.00 9.50 0.00 4059.14
1923 12.00 5.00 14.00 153.00 454.00 590.50 846.00 742.00 475.50 197.00 31.50 4.98 c 3525.48
1924 0.00 a 8.50 0.00 93.50 434.50 672.00 826.50 802.50 466.50 225.50 70.50 0.00 3600.00
1925 1.00 15.50 54.50 189.00 509.50 635.00 839.00 736.00 475.50 246.00 31.50 35.00 3767.50
1926 0.00 c 11.50 63.00 199.50 420.50 701.50 823.00 765.50 618.00 321.50 61.00 29.50 4014.50
1927 24.50 18.50 52.50 173.50 416.00 600.00 800.50 702.50 539.50 266.50 111.00 0.00 3705.00
1928 0.00 4.00 84.00 174.50 459.50 663.00 858.00 751.00 635.00 283.50 60.00 b 2.00 3974.50
1929 0.50 0.00 45.50 142.00 418.50 687.00 848.50 781.50 640.00 313.50 30.50 26.00 3933.50
1930 0.00 19.50 16.50 266.00 255.00 634.00 774.50 685.50 496.50 154.50 46.50 0.00 3348.50
1931 6.00 2.50 44.00 244.50 394.50 651.00 913.50 764.50 540.00 259.50 69.50 4.00 3893.50
1932 0.00 10.00 35.50 173.50 365.00 542.00 803.00 731.00 495.00 244.00 80.00 4.00 3483.00
1933 0.00 0.00 35.00 121.00 245.50 671.50 903.00 776.00 638.50 342.00 60.00 17.50 3810.00
1934 6.00 21.50 120.00 276.50 523.50 511.00 710.00 812.50 589.44 c 395.50 133.00 26.50 4125.44
1935 12.50 25.00 59.50 225.50 314.50 732.00 867.50 831.00 616.00 264.50 27.00 0.00 3975.00
1936 1.50 0.00 87.50 298.00 519.50 787.50 876.00 793.50 537.00 243.00 34.00 3.00 4180.50
1937 0.00 0.00 16.00 160.00 538.00 700.50 875.00 875.00 663.00 373.00 59.50 9.50 4269.50
1938 4.00 7.50 21.50 224.00 428.00 703.50 814.78 a 819.50 610.00 279.00 3.50 11.50 3926.78
1939 0.00 0.00 100.00 255.00 491.50 723.50 946.50 857.00 574.50 242.50 76.50 79.00 4346.00
1940 19.00 20.00 103.50 226.50 524.00 756.00 856.50 864.50 618.50 319.30 a 63.00 52.00 4422.80
1941 12.50 25.50 57.00 85.50 442.00 584.00 829.00 766.00 529.00 191.00 111.00 22.50 3655.00
1942 14.50 3.50 20.50 180.00 401.50 694.00 951.38 b 820.00 593.00 279.50 130.50 29.50 4117.88
1943 4.00 32.00 84.50 321.50 165.50 s 773.79 a 880.00 832.00 626.00 352.50 68.00 12.50 3986.79
1944 6.00 9.50 20.50 105.50 387.00 587.00 867.00 929.00 666.50 399.00 97.00 9.50 4083.50
1945 12.50 21.00 19.50 211.50 481.00 631.00 942.50 862.50 627.50 424.00 105.00 9.50 4347.50
1946 10.50 16.50 120.50 375.00 512.00 844.50 908.50 860.00 726.50 262.50 62.00 95.50 4794.00
1947 2.00 62.50 126.00 214.00 598.50 719.50 1004.00 806.50 0.00 z 0.00 z 0.00 z 1.50 f 3533.00
1948 49.50 20.50 18.50 303.00 534.00 731.50 962.00 887.50 755.50 417.50 65.00 29.50 4774.00
1949 0.00 11.00 41.50 346.00 456.00 727.00 923.80 a 853.50 685.00 303.50 293.00 27.00 4667.30
1950 35.00 66.00 119.50 377.50 455.00 748.50 862.50 867.00 611.50 606.00 243.50 112.50 5104.50
1951 27.50 47.00 73.00 203.50 497.00 676.50 983.50 810.50 732.50 361.00 82.50 15.50 4510.00
1952 6.50 8.50 17.50 194.50 532.00 713.00 860.25 e 840.00 700.50 547.00 66.50 9.50 4495.75
1953 66.50 35.50 100.50 197.00 285.50 729.50 882.50 800.00 710.00 366.00 211.50 19.00 4403.50
1954 35.50 88.00 51.00 353.50 548.50 696.50 925.00 800.50 670.50 454.50 185.50 41.00 4850.00
1955 0.50 13.50 73.50 179.50 389.50 635.50 806.00 798.50 678.50 484.50 120.50 71.00 4251.00
1956 72.00 5.50 149.50 186.00 510.50 812.50 842.50 777.00 798.00 363.00 104.00 10.00 i 4620.50
1957 6.50 92.00 64.50 156.50 281.50 743.50 868.00 801.50 683.00 267.00 26.50 35.00 4025.50
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 41.50 1.00 94.50 322.50 428.00 788.50 980.50 771.50 619.50 432.50 104.50 37.00 4621.50
1960 0.00 4.00 169.00 269.00 448.50 836.00 937.00 886.00 705.50 294.50 109.50 18.00 4677.00
1961 19.50 35.00 77.50 248.50 441.00 813.00 953.50 796.50 539.50 376.50 39.50 9.50 4349.50
1962 1.50 26.50 42.00 356.50 387.00 657.41 a 865.50 917.00 684.50 395.50 195.50 48.00 4576.91
1963 10.50 119.00 69.50 162.00 554.00 627.50 972.50 768.50 676.00 456.50 118.00 25.50 4559.50
1964 11.50 5.00 29.50 161.00 435.00 660.00 929.00 777.50 591.00 517.00 88.00 21.50 4226.00
1965 45.00 38.50 23.00 184.00 339.50 521.50 811.00 821.50 503.00 481.50 132.00 41.00 3941.50
1966 3.00 0.00 140.50 296.00 528.50 705.00 882.00 861.50 626.50 365.50 144.00 26.00 4578.50
1967 28.50 24.00 146.50 88.00 368.00 563.50 855.00 806.00 622.50 429.50 164.00 0.00 4095.50
1968 8.50 43.00 87.00 132.50 423.50 709.00 811.68 a 683.03 a 622.00 389.00 89.50 23.50 4022.22
1969 40.00 1.50 58.50 220.00 508.00 643.00 876.00 890.50 660.50 241.50 75.50 72.50 4287.50
1970 31.00 57.00 35.50 102.50 467.00 672.50 883.50 829.00 531.50 250.00 106.00 9.50 3975.00
1971 75.00 59.11 a 144.00 192.50 304.50 724.50 975.50 773.00 617.00 212.35 a 93.00 6.00 4176.46
1972 11.00 44.50 201.00 229.50 427.50 641.50 902.00 807.50 589.50 262.50 9.00 9.50 4135.00
1973 7.50 0.00 z 0.00 76.50 457.00 724.00 899.50 828.50 646.00 430.00 153.00 35.00 4257.00
1974 20.00 16.00 153.50 194.00 567.50 874.50 863.00 841.00 639.31 a 390.00 102.00 8.50 4669.31
1975 53.00 15.50 75.00 92.00 384.50 686.00 899.00 863.00 652.50 394.00 182.00 46.00 4342.50
1976 60.50 68.50 75.00 201.00 479.00 683.00 828.00 810.50 572.50 337.00 182.00 20.50 4317.50
1977 12.00 73.50 35.50 262.00 299.00 758.00 887.00 873.50 706.50 401.50 114.00 59.50 4482.00
1978 9.50 12.50 130.00 195.00 405.00 699.50 890.50 812.00 555.50 464.50 73.50 0.00 4247.50
1979 0.50 6.00 33.50 205.50 307.42 a 643.50 882.00 734.50 747.32 b 447.00 23.50 73.00 4103.74
1980 9.50 40.00 4.00 200.00 277.97 a 749.00 912.50 884.00 702.00 389.50 191.00 164.50 4523.97
1981 48.00 84.50 40.50 323.00 449.00 856.50 915.02 a 846.00 625.00 276.50 198.50 85.00 4747.52
1982 32.50 88.50 32.00 224.50 417.00 650.00 880.50 829.00 644.00 294.50 35.50 21.50 4149.50
1983 28.50 20.50 56.50 104.50 430.50 667.00 895.50 805.50 717.00 351.00 127.50 23.00 4227.00
1984 31.50 18.50 87.50 194.50 690.50 699.50 850.00 785.00 672.50 213.00 105.00 8.00 4355.50
1985 5.00 44.50 39.50 321.00 510.00 815.50 930.50 881.50 517.50 343.50 84.00 33.00 4525.50
1986 86.50 79.00 175.00 252.50 513.00 785.00 821.50 862.50 516.50 250.00 80.00 20.00 4441.50
1987 17.00 16.00 32.50 282.00 431.00 726.50 799.50 769.00 625.50 443.50 62.50 29.50 4234.50
1988 19.00 39.50 108.00 228.50 437.00 778.00 919.00 805.50 583.50 526.50 142.00 24.00 4610.50
1989 0.50 54.00 250.50 0.00 z 538.00 744.00 953.50 829.50 653.00 372.50 129.50 52.00 4577.00
1990 23.00 20.00 113.00 260.50 457.00 840.50 858.50 768.00 667.00 402.50 145.00 13.50 4568.50
1991 0.00 58.00 12.00 162.00 395.00 631.50 887.00 840.50 636.00 479.50 106.00 6.00 4213.50
1992 8.50 13.00 43.50 342.50 486.50 655.00 858.50 798.50 658.00 439.50 33.00 0.00 4336.50
1993 6.50 5.50 112.00 257.50 491.50 698.50 875.00 829.50 645.00 343.00 44.00 10.00 4318.00
1994 45.00 5.00 125.00 213.00 436.00 861.00 915.00 907.00 673.50 264.00 63.50 11.50 4519.50
1995 2.00 75.00 93.00 169.50 314.00 604.00 885.50 913.00 690.00 395.00 209.50 55.00 4405.50
1996 36.50 117.00 102.00 255.50 574.00 820.00 906.00 863.00 557.50 345.00 117.50 34.00 4728.00
1997 17.50 5.50 169.00 167.00 559.00 703.50 881.50 846.50 689.00 309.00 122.50 7.00 4477.00
1998 10.50 0.00 71.00 103.50 367.50 610.50 899.50 886.50 644.50 294.50 84.00 23.00 3995.00
1999 37.50 46.50 120.50 149.48 a 451.50 695.50 817.00 773.00 598.50 443.50 261.00 6.50 4400.48
2000 79.50 58.50 58.50 363.00 654.00 807.50 961.50 857.50 738.00 317.23 a 17.50 26.00 4938.73
2001 19.00 18.50 114.00 253.00 640.00 806.00 881.00 860.50 756.50 471.00 164.00 2.50 4986.00
2002 30.50 46.50 110.50 349.50 527.50 851.50 972.00 941.00 661.50 302.50 112.00 5.50 4910.50
2003 96.00 22.50 112.50 207.00 568.50 784.00 1027.50 883.00 728.50 568.00 62.59 a 34.00 5094.09
2004 15.50 53.50 271.00 g 220.00 579.00 767.00 896.00 802.50 605.00 293.00 41.00 29.50 4302.00
2005 32.00 6.50 71.50 221.50 527.50 700.00 974.50 785.00 676.00 380.00 196.50 52.00 4623.00
2006 28.50 50.00 49.00 252.50 594.50 831.50 918.00 804.50 564.50 320.33 a 178.50 24.00 4615.83
2007 9.50 43.50 207.50 284.00 550.00 790.00 939.00 872.00 635.00 374.00 221.50 38.50 4964.50
2008 1.00 19.50 127.00 262.00 0.00 z 800.00 918.50 865.50 662.00 436.00 174.50 33.07 a 4299.07
2009 0.00 z 50.50 139.50 235.00 630.50 641.50 978.50 888.50 689.50 325.50 198.00 0.00 4777.00
2010 1.50 0.50 70.00 198.50 402.50 776.00 932.50 833.00 755.50 369.00 128.50 80.27 c 4547.77
2011 11.37 a 14.56 c 130.41 b 289.20 e 323.50 g 784.00 915.53 a 971.00 707.50 402.00 69.00 20.00 4314.57
2012 8.00 z 16.00 148.50 86.50 o 78.50 y 816.72 a 876.61 d 847.13 e 631.15 d 279.50 134.00 31.00 3780.62
2013 9.00 6.50 164.62 b 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 180.12
Period of Record Statistics
MEAN 18.49 28.45 79.95 216.72 448.01 703.64 881.84 823.04 630.46 350.32 106.16 25.42 4298.62
S.D. 21.67 28.72 52.27 72.74 94.68 82.36 56.35 54.79 68.11 91.48 62.22 26.64 376.66
SKEW 1.54 1.40 0.68 0.13 -0.08 -0.11 -0.17 -0.08 -0.23 0.26 0.73 2.20 -0.12
MAX 96.00 129.00 250.50 377.50 690.50 874.50 1027.50 971.00 798.00 606.00 293.00 164.50 5104.50
MIN 0.00 0.00 0.00 71.90 215.00 511.00 710.00 683.03 466.50 138.98 3.50 0.00 3348.50
NO YRS 105 105 106 108 105 108 109 107 106 107 107 105 85