WILLIAMS, ARIZONA

Monthly Total Growing Degree Days

(029359)

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
1897 0.00 z 0.00 z 0.00 y 47.07 a 247.00 361.00 559.50 538.37 a 334.00 62.52 a 0.00 b 0.00 2149.45
1898 0.00 0.00 0.00 a 78.00 116.00 0.00 z 0.00 z 0.00 z 0.00 z 16.00 n 0.00 0.00 194.00
1899 0.00 0.00 7.00 54.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 61.00
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 541.50 542.50 0.00 z 0.00 z 0.00 0.00 z 1084.00
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 306.00 90.50 30.00 0.00 b 426.50
1904 0.00 26.50 13.50 56.50 219.00 432.00 547.31 b 480.50 296.38 a 95.00 2.00 0.00 2168.69
1905 0.00 0.00 3.00 7.50 78.00 369.50 549.50 548.50 401.38 a 95.00 7.50 0.00 z 2059.88
1906 0.00 z 0.00 z 0.00 z 22.00 87.00 322.00 409.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 840.50
1907 0.00 z 0.00 z 0.00 z 48.00 l 44.00 222.00 527.52 a 495.50 281.50 168.95 a 0.00 z 0.00 z 1739.47
1908 0.00 z 0.00 6.00 4.00 3.50 r 226.50 500.00 452.00 301.50 75.00 5.50 0.00 1570.50
1909 0.00 d 0.00 f 0.00 13.00 61.48 a 379.00 593.50 574.50 368.50 189.00 76.00 0.00 z 2254.98
1910 0.00 z 0.00 z 8.50 97.76 a 236.00 452.59 a 568.00 586.50 414.50 190.50 8.00 0.00 2562.34
1911 0.00 a 0.00 3.88 c 2.00 90.50 170.50 n 0.00 z 226.50 n 298.00 50.24 b 0.00 0.00 444.62
1912 1.66 c 0.00 0.00 2.59 a 114.00 338.79 a 455.00 472.00 165.00 f 72.50 0.00 t 0.00 a 1456.54
1913 0.00 e 0.00 2.00 47.00 168.00 275.89 b 584.50 567.00 344.50 49.50 0.00 i 0.00 2038.39
1914 0.00 0.00 b 2.00 48.00 221.00 393.50 535.50 573.50 b 290.50 g 13.29 c 0.00 0.00 a 1786.79
1915 0.00 0.00 k 0.00 g 14.00 136.50 333.62 a 591.50 584.50 314.00 138.50 17.00 0.00 2129.62
1916 0.00 0.00 23.50 f 45.00 140.00 431.79 b 548.00 372.00 g 261.72 a 22.14 c 11.50 0.00 1460.15
1917 0.00 0.00 6.00 12.00 40.00 383.00 612.50 443.00 317.50 121.00 3.50 0.00 1938.50
1918 0.00 0.00 0.00 13.50 86.50 492.00 492.50 418.00 350.19 d 46.00 k 6.00 0.00 a 1858.69
1919 0.00 0.00 0.00 30.00 195.50 370.00 524.50 477.52 e 350.69 a 3.62 a 1.03 a 0.00 a 1952.86
1920 0.00 0.00 0.50 19.00 163.50 338.57 b 544.10 b 448.50 264.00 62.00 1.00 0.00 1841.17
1921 0.00 0.00 6.50 24.50 126.00 363.75 b 533.00 469.00 272.50 99.50 3.50 0.00 1898.25
1922 0.00 b 0.00 0.00 5.00 157.00 467.50 587.00 525.00 353.00 76.50 0.00 0.00 2171.00
1923 0.00 0.00 0.00 9.50 155.00 292.50 536.00 432.00 204.00 23.50 0.00 0.00 c 1652.50
1924 0.00 a 0.00 0.00 1.50 133.50 372.50 516.50 492.50 194.00 27.00 1.00 0.00 1738.50
1925 0.00 0.00 0.00 18.50 202.50 351.00 529.00 426.00 187.00 31.00 0.00 0.00 1745.00
1926 0.00 c 0.00 0.00 42.50 138.50 401.50 513.00 455.50 322.00 77.50 0.50 0.00 1951.00
1927 0.00 0.00 1.50 32.00 163.00 307.50 490.50 392.50 249.50 28.00 9.00 0.00 1673.50
1928 0.00 0.00 8.00 37.00 180.50 366.00 548.00 441.00 335.50 63.50 3.21 b 0.00 1982.71
1929 0.00 0.00 3.50 18.00 157.50 391.00 538.50 471.50 340.00 88.50 1.50 0.00 2010.00
1930 0.00 0.00 0.00 69.00 72.00 340.50 464.50 375.50 203.00 16.00 0.00 0.00 1540.50
1931 0.00 0.00 0.00 38.50 119.00 351.00 603.50 454.50 252.50 61.50 1.00 0.00 1881.50
1932 0.00 0.00 0.00 28.50 108.00 262.00 493.00 421.00 199.00 53.00 2.50 0.00 1567.00
1933 0.00 0.00 0.00 15.50 71.00 375.50 593.00 466.00 338.50 69.50 0.00 0.00 1929.00
1934 0.00 0.00 0.00 56.50 230.00 216.50 400.00 502.50 307.22 c 125.00 13.00 0.00 1850.72
1935 0.00 0.00 1.50 32.50 83.50 432.00 557.50 521.00 316.00 65.00 0.00 0.00 2009.00
1936 0.00 0.00 1.00 76.00 223.50 489.00 566.00 483.50 252.50 41.50 0.00 0.00 2133.00
1937 0.00 0.00 0.00 11.00 229.50 400.50 565.00 565.00 363.00 74.50 0.00 0.00 2208.50
1938 0.00 0.00 0.00 53.00 166.00 403.50 504.78 a 509.50 310.00 62.50 0.00 0.00 2009.28
1939 0.00 0.00 3.00 36.00 186.00 423.50 636.50 547.00 276.00 14.50 3.00 0.00 2125.50
1940 0.00 0.00 1.50 32.50 214.00 456.00 546.50 554.50 318.50 65.10 a 3.00 0.00 2191.60
1941 0.00 0.00 0.50 4.50 161.00 295.50 519.00 456.00 245.00 23.00 2.50 0.00 1707.00
1942 0.00 0.00 0.00 18.50 147.00 394.00 641.38 b 510.00 294.50 73.50 3.50 0.00 2082.38
1943 0.00 0.00 12.00 99.50 63.50 s 475.34 a 570.00 522.00 326.00 116.50 0.00 0.00 2121.34
1944 0.00 0.00 0.00 1.50 122.00 289.50 557.00 619.00 366.50 112.00 11.00 0.00 2078.50
1945 0.00 0.00 0.00 45.00 189.00 331.00 632.50 552.50 337.50 140.50 13.50 0.00 2241.50
1946 0.00 0.00 20.50 138.50 214.00 544.50 598.50 550.00 426.50 47.00 0.00 3.50 2543.00
1947 0.00 0.00 4.50 50.00 308.00 419.50 694.00 496.50 0.00 z 0.00 z 0.00 z 0.00 f 1972.50
1948 0.00 0.00 0.00 80.00 235.50 431.50 652.00 577.50 455.50 141.50 0.00 0.00 2573.50
1949 0.00 0.00 0.00 110.00 176.00 431.50 613.80 a 543.50 385.00 102.00 45.50 0.00 2407.30
1950 0.00 0.00 6.00 118.00 188.50 448.50 552.50 557.00 311.50 296.50 41.00 5.00 2524.50
1951 0.00 0.00 0.00 32.00 236.00 378.00 673.50 500.50 432.50 111.50 0.00 0.00 2364.00
1952 0.00 0.00 0.00 25.00 234.00 413.00 550.25 e 530.00 400.50 237.00 3.00 0.00 2392.75
1953 1.00 0.00 6.00 36.50 91.50 429.50 572.50 490.00 410.00 124.00 25.00 0.00 2186.00
1954 0.00 0.00 4.00 94.00 256.50 396.50 615.00 490.50 370.50 183.00 12.00 0.00 2422.00
1955 0.00 0.00 0.00 20.50 129.50 346.00 496.00 488.50 378.50 184.50 2.50 0.00 2046.00
1956 0.00 0.00 8.50 26.00 215.00 512.50 532.50 467.00 498.00 117.50 6.00 0.00 i 2383.00
1957 0.00 5.00 1.50 14.50 72.50 445.00 558.00 491.50 383.00 56.50 0.00 0.00 2027.50
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 0.00 0.00 0.00 81.50 152.50 488.50 670.50 461.50 320.00 177.00 0.00 0.00 2351.50
1960 0.00 0.00 8.00 80.50 172.00 536.00 627.00 576.00 405.50 74.00 4.00 0.00 2483.00
1961 0.00 0.00 0.00 59.00 157.00 513.00 643.50 486.50 241.50 128.00 0.00 0.00 2228.50
1962 0.00 0.00 1.00 96.50 139.50 363.10 a 555.50 607.00 384.50 106.50 19.00 0.00 2272.60
1963 0.00 11.50 1.00 28.50 248.00 328.00 662.50 458.50 376.00 163.50 9.50 0.00 2287.00
1964 0.00 0.00 2.00 19.00 192.00 360.00 619.00 467.50 292.00 214.00 4.00 2.00 2171.50
1965 0.00 1.00 0.00 45.00 110.00 223.50 501.00 511.50 244.50 205.50 7.50 0.00 1849.50
1966 0.00 0.00 5.50 59.50 227.00 405.00 572.00 551.50 326.50 91.50 4.00 0.00 2242.50
1967 0.00 0.00 6.00 2.50 134.50 263.50 545.00 496.00 322.50 138.50 13.00 0.00 1921.50
1968 0.00 0.00 1.00 3.00 144.50 424.50 501.68 a 373.03 a 322.50 103.00 1.50 0.00 1874.72
1969 0.50 0.00 5.50 26.00 232.00 343.00 566.00 580.50 360.50 61.00 0.00 0.00 2175.00
1970 0.00 0.50 0.00 9.50 177.50 376.50 573.50 519.00 238.50 28.00 3.50 0.00 1926.50
1971 3.00 0.00 a 24.50 30.00 75.50 425.00 665.50 463.00 320.50 64.58 a 1.50 0.00 2073.08
1972 0.00 0.00 15.50 45.00 128.00 341.50 592.00 497.50 289.50 67.50 0.00 0.00 1976.50
1973 0.00 0.00 z 0.00 4.00 174.00 424.00 589.50 518.50 347.50 164.50 25.50 0.00 2247.50
1974 0.00 0.00 8.00 18.00 266.00 574.50 553.00 531.00 339.31 a 136.00 5.50 0.00 2431.31
1975 0.00 0.00 1.00 0.00 131.50 386.00 589.00 553.00 352.50 144.00 36.00 2.00 2195.00
1976 1.00 2.00 3.00 26.50 186.00 385.00 518.00 500.50 275.00 93.50 13.00 0.00 2003.50
1977 0.00 0.00 0.00 41.00 68.00 458.00 577.00 563.50 406.50 123.50 2.50 0.00 2240.00
1978 0.00 0.00 3.50 21.00 145.00 399.50 580.50 502.00 269.50 201.00 2.00 0.00 2124.00
1979 0.00 0.00 0.00 17.00 62.52 a 344.00 572.00 424.50 447.32 b 182.50 0.00 0.00 2049.84
1980 0.00 0.00 0.00 31.50 46.50 a 450.50 602.50 574.00 402.00 179.50 42.50 11.50 2340.50
1981 0.00 8.50 0.00 81.00 148.00 556.50 605.02 a 536.00 325.00 45.00 12.50 0.00 2317.52
1982 0.00 6.00 0.00 27.00 139.00 350.00 570.50 519.00 349.00 65.00 0.00 0.00 2025.50
1983 0.00 0.00 0.50 1.50 178.00 367.00 585.50 495.50 417.00 48.00 4.00 0.00 2097.00
1984 0.00 0.00 0.00 38.00 384.00 399.50 540.00 475.00 372.50 47.00 12.50 0.00 2268.50
1985 0.00 0.00 0.00 85.50 212.00 515.50 620.50 571.50 223.50 82.50 8.50 0.00 2319.50
1986 0.00 11.00 13.50 52.50 236.00 485.00 511.50 552.50 246.50 30.00 0.00 0.00 2138.50
1987 0.00 0.00 0.00 68.00 127.50 426.50 489.50 459.00 325.50 153.50 0.00 0.00 2049.50
1988 0.00 0.00 6.50 35.50 182.50 478.00 609.00 495.50 285.00 216.50 29.00 0.00 2337.50
1989 0.00 0.00 33.00 0.00 z 265.00 444.00 643.50 519.50 353.50 119.00 4.00 0.00 2381.50
1990 0.00 0.00 5.50 48.00 168.00 540.50 548.50 458.00 367.00 114.00 16.00 0.00 2265.50
1991 0.00 0.00 0.00 8.50 126.00 336.00 577.00 530.50 336.00 228.50 12.50 0.00 2155.00
1992 0.00 0.00 0.00 94.50 181.00 355.00 548.50 488.50 358.00 143.00 0.50 0.00 2169.00
1993 0.00 0.00 0.50 45.00 197.00 401.50 565.00 519.50 345.00 95.50 0.00 0.00 2169.00
1994 0.50 0.00 4.50 56.00 159.00 561.00 605.00 597.00 373.50 36.50 5.00 0.00 2398.00
1995 0.00 0.00 2.00 25.00 54.50 312.50 575.50 603.00 390.00 107.50 3.00 0.00 2073.00
1996 0.00 1.00 1.50 47.00 278.50 520.00 596.00 553.00 257.50 151.50 5.50 0.00 2411.50
1997 0.00 0.00 7.50 25.50 250.50 403.50 571.50 536.50 389.00 85.00 15.50 0.00 2284.50
1998 0.00 0.00 5.50 13.50 102.00 310.50 589.50 576.50 344.50 65.00 0.50 0.00 2007.50
1999 0.00 0.00 1.00 29.48 a 168.50 401.00 507.00 463.00 298.50 150.50 46.00 0.00 2064.98
2000 5.50 0.00 0.00 110.00 347.50 507.50 651.50 547.50 438.00 112.63 a 0.00 0.00 2720.13
2001 0.00 0.00 1.00 72.50 350.00 506.00 571.00 550.50 456.50 171.50 10.50 0.00 2689.50
2002 0.00 0.50 5.00 86.50 232.00 551.50 662.00 631.00 361.50 70.00 5.50 0.00 2605.50
2003 0.00 0.00 4.50 28.50 288.50 484.00 717.50 573.00 428.50 259.50 0.00 a 0.00 2784.00
2004 0.00 0.00 85.50 g 38.50 269.00 467.00 586.00 492.50 315.00 80.00 4.00 0.00 2252.00
2005 0.00 0.00 3.50 26.50 238.50 400.00 664.50 475.00 376.00 112.50 22.00 0.00 2318.50
2006 0.00 0.00 0.00 31.00 286.50 531.50 608.00 494.50 267.50 82.15 a 16.00 0.00 2317.15
2007 0.00 0.00 35.50 69.50 260.00 494.00 629.00 562.00 338.00 111.50 27.50 2.50 2529.50
2008 0.00 0.00 7.50 48.00 0.00 z 500.00 608.50 555.50 362.00 159.00 20.00 0.00 a 2260.50
2009 0.00 z 0.00 18.50 50.00 320.50 341.50 668.50 578.50 389.50 81.50 44.00 0.00 2492.50
2010 0.00 0.00 6.50 27.50 141.50 476.00 622.50 523.00 455.50 111.00 34.50 0.00 c 2398.00
2011 0.00 a 0.00 c 6.41 b 69.60 e 122.50 g 484.00 605.53 a 661.00 407.50 143.50 0.50 0.00 2378.05
2012 0.00 z 0.00 4.50 8.50 o 24.00 y 516.72 a 566.61 d 537.13 e 331.15 d 96.50 6.50 0.00 2059.12
2013 0.00 0.00 5.34 b 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 5.34
Period of Record Statistics
MEAN 0.13 0.70 3.85 40.26 173.30 405.58 571.84 513.04 333.83 104.21 8.75 0.25 2151.72
S.D. 0.64 3.17 6.27 29.98 71.86 80.79 56.35 54.79 64.01 58.99 13.15 1.30 256.96
SKEW 6.72 6.14 2.91 0.92 0.39 -0.09 -0.16 -0.07 -0.09 0.71 2.38 6.89 0.01
MAX 5.50 26.50 35.50 138.50 384.00 574.50 717.50 661.00 498.00 296.50 76.00 11.50 2784.00
MIN 0.00 0.00 0.00 0.00 40.00 216.50 400.00 373.03 187.00 3.62 0.00 0.00 1540.50
NO YRS 105 105 106 108 105 108 109 107 106 107 107 105 85