HOLBROOK, ARIZONA

Monthly Total Growing Degree Days

(024089)

Base Temperature = 50 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 201009
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 10.00 31.50 45.50 l 327.00 628.50 744.50 727.50 473.50 133.50 8.00 0.00 3084.00
1894 0.00 0.00 56.50 154.50 415.00 471.50 793.50 748.50 449.50 222.00 1.50 4.50 3317.00
1895 0.00 0.00 26.00 117.00 384.50 518.00 745.00 763.50 522.50 184.00 0.00 0.00 3260.50
1896 0.00 0.00 54.50 78.50 362.00 672.00 763.50 736.50 495.50 137.50 7.50 0.00 3307.50
1897 0.00 1.00 0.50 124.00 430.50 509.50 721.50 746.00 534.00 190.50 14.50 0.00 3272.00
1898 0.00 0.50 1.00 202.00 294.00 628.00 845.00 826.50 525.00 153.50 8.00 0.00 3483.50
1899 0.00 0.00 c 36.00 145.50 280.50 671.00 901.50 788.50 603.00 184.50 6.50 0.00 3617.00
1900 0.00 0.00 49.50 85.00 442.00 662.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1239.00
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1903 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 241.00 u 461.50 150.00 9.00 0.00 620.50
1904 0.00 31.50 39.50 134.50 361.50 555.00 756.00 720.50 520.00 170.50 0.00 0.00 3289.00
1905 0.00 3.00 31.00 102.00 268.50 584.00 736.00 822.00 545.00 144.50 6.00 0.00 3242.00
1906 0.00 0.00 23.00 97.00 368.00 576.50 831.50 690.50 490.00 169.00 24.00 0.00 3269.50
1907 0.00 0.00 63.00 187.00 245.50 486.00 821.50 720.00 505.50 188.00 h 6.72 a 0.00 3035.22
1908 0.00 4.00 36.68 a 101.00 192.50 539.00 838.00 756.00 521.00 123.00 19.50 0.50 3131.18
1909 0.00 0.00 5.00 78.50 241.00 586.00 820.00 767.50 467.50 163.00 11.50 0.00 z 3140.00
1910 0.00 0.00 91.50 145.00 438.50 653.50 844.00 859.00 611.50 188.50 12.50 3.00 3847.00
1911 2.00 0.00 69.50 126.00 286.00 652.50 786.50 808.50 615.00 177.00 0.00 z 0.00 z 3523.00
1912 0.00 z 0.00 z 0.00 z 53.50 v 349.50 578.50 810.50 791.00 436.50 137.00 5.50 0.00 3108.50
1913 0.00 0.00 23.50 133.50 422.00 634.00 663.00 789.00 440.50 73.00 0.00 z 0.00 z 3178.50
1914 0.00 z 0.00 z 0.00 z 102.00 341.00 627.00 717.00 786.00 595.50 190.00 27.50 0.00 3386.00
1915 0.00 0.00 1.50 147.50 326.50 514.50 816.50 818.00 528.00 175.00 g 21.92 d 0.00 z 3174.42
1916 0.00 z 1.00 27.00 120.50 334.50 660.50 730.50 627.00 563.04 b 195.50 52.00 0.00 3311.54
1917 0.00 0.00 2.00 41.38 a 233.50 663.00 882.50 790.50 510.00 c 173.50 0.00 0.00 3296.38
1918 0.00 7.50 8.94 e 58.50 186.50 770.50 809.50 752.00 529.00 283.00 9.00 0.00 3414.44
1919 0.00 0.00 18.50 227.59 a 0.00 z 0.00 z 613.00 h 850.00 549.00 0.00 z 2.00 0.00 1647.09
1920 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 417.50 j 18.00 z 26.00 m 22.00 0.00 22.00
1921 4.00 75.50 118.50 99.50 309.50 626.50 809.00 763.00 535.50 282.00 13.00 6.00 3642.00
1922 0.00 1.00 11.00 87.00 325.50 770.50 908.50 g 436.50 s 125.50 v 138.00 0.00 z 0.00 z 1333.00
1923 0.00 z 0.00 z 18.50 q 165.50 441.00 585.00 859.00 731.00 458.50 143.50 20.50 0.00 3404.00
1924 0.00 0.00 13.00 92.00 410.00 675.50 746.50 805.00 543.10 a 169.50 32.00 0.00 3486.60
1925 0.00 1.50 56.00 f 463.27 d 555.00 632.50 892.00 733.00 525.50 215.00 15.00 0.00 b 4032.77
1926 0.00 27.50 18.00 199.50 393.00 684.00 833.50 802.00 594.50 291.50 8.50 3.50 3855.50
1927 0.00 13.00 32.55 a 172.00 401.97 a 609.00 859.00 731.50 536.50 207.00 30.50 0.00 3593.02
1928 0.00 1.00 71.50 150.50 453.00 627.00 839.00 756.50 572.50 248.50 10.00 0.00 3729.50
1929 0.00 0.00 30.50 80.00 372.00 609.00 800.50 748.50 534.50 242.00 0.00 0.00 3417.00
1930 0.00 0.50 3.50 200.50 258.00 662.50 808.00 750.50 479.00 126.50 2.50 0.00 3291.50
1931 0.00 0.00 10.00 161.50 376.00 648.00 867.50 752.50 575.00 241.50 16.50 0.00 3648.50
1932 0.00 3.50 20.00 137.50 325.00 566.50 820.50 800.00 512.50 183.50 4.00 0.00 3373.00
1933 0.00 0.00 17.00 54.50 207.00 639.50 864.50 757.50 631.00 278.00 3.00 0.00 b 3452.00
1934 0.00 1.50 98.00 242.00 499.00 557.50 890.00 795.00 495.00 243.00 33.50 0.00 3854.50
1935 0.00 7.00 0.00 z 159.50 253.00 681.00 836.00 811.00 526.50 209.50 o 3.10 a 0.00 3277.10
1936 0.00 0.50 12.50 209.50 426.00 741.00 626.00 h 820.00 519.00 217.00 3.00 1.50 2950.00
1937 0.00 0.00 7.00 150.00 420.00 624.50 880.50 888.50 644.50 237.00 26.67 c 5.00 3883.67
1938 0.00 1.00 24.00 131.25 b 328.00 650.00 808.00 813.23 a 575.00 182.50 2.00 0.50 f 3514.98
1939 0.00 0.00 49.00 191.50 423.00 633.33 c 836.50 781.50 564.50 142.00 29.50 0.00 3650.83
1940 0.00 5.50 44.00 141.50 469.50 622.50 865.50 743.00 417.00 264.50 16.50 0.00 3589.50
1941 0.00 0.00 17.00 46.00 404.00 582.50 776.00 728.00 499.50 214.50 4.00 0.00 3271.50
1942 0.00 0.00 0.00 133.00 379.00 666.50 921.00 800.00 657.50 309.00 92.00 0.00 3958.00
1943 0.00 0.00 63.00 266.00 413.50 674.00 897.50 823.00 574.50 209.77 a 1.00 0.00 3922.27
1944 0.00 0.00 7.50 57.00 334.50 545.00 791.00 890.50 719.50 264.00 17.50 0.00 3626.50
1945 0.00 1.50 42.00 267.00 0.00 z 628.00 483.00 n 830.00 635.00 246.50 7.50 0.00 k 2657.50
1946 0.00 0.00 34.00 310.00 530.50 696.00 845.50 828.50 622.00 146.50 1.50 0.00 4014.50
1947 0.00 2.50 29.00 114.00 447.00 597.50 878.50 778.50 649.82 b 256.50 14.50 0.00 3767.82
1948 0.00 0.00 4.50 206.50 462.00 639.50 829.50 779.50 590.00 205.50 11.50 1.50 3730.00
1949 0.00 0.00 24.00 199.50 339.00 638.50 813.50 753.00 636.00 217.00 5.50 0.00 3626.00
1950 0.00 5.00 41.00 237.00 357.50 684.00 919.50 760.00 455.50 411.50 18.00 0.00 3889.00
1951 0.00 4.50 22.00 122.00 419.00 622.00 923.00 770.00 583.50 217.00 3.62 a 0.00 3686.62
1952 0.00 0.00 7.50 147.00 434.00 651.00 809.50 812.00 550.50 268.00 15.50 0.00 3695.00
1953 0.00 0.00 60.00 155.00 271.50 663.00 941.50 764.50 611.00 276.00 38.50 0.00 3781.00
1954 0.00 f 6.50 1.00 8.00 y 217.00 s 595.00 904.50 755.50 579.00 291.92 a 11.00 9.00 3153.42
1955 0.00 0.00 6.50 132.00 358.50 554.00 779.00 840.50 380.50 k 291.40 a 27.00 1.50 2990.40
1956 0.00 4.00 11.22 b 86.00 388.50 734.00 779.81 b 718.68 a 607.50 266.17 b 0.00 d 0.00 j 3595.89
1957 6.00 38.00 35.50 145.50 288.50 699.00 805.50 759.00 525.50 183.00 11.50 0.00 3497.00
1958 0.00 26.00 14.50 135.50 516.00 697.00 837.50 825.50 524.00 246.00 7.00 0.00 3829.00
1959 0.00 0.00 14.00 150.50 329.00 738.10 a 924.00 335.00 r 505.50 207.00 5.50 0.00 2873.60
1960 0.00 0.00 45.00 153.50 323.50 681.00 878.50 812.50 594.00 150.00 29.00 f 0.50 3638.50
1961 0.00 10.50 14.50 123.50 328.50 709.50 825.38 c 788.50 427.50 143.50 6.00 2.07 a 3379.44
1962 0.00 2.50 18.00 270.00 268.50 553.50 784.50 753.00 382.50 f 212.35 a 30.50 0.00 a 2892.85
1963 5.00 8.50 30.50 81.00 434.50 531.50 868.50 688.50 570.50 229.00 5.50 0.00 b 3453.00
1964 0.00 0.00 17.00 85.86 a 401.50 580.50 928.45 a 633.50 f 564.50 353.18 c 13.39 b 1.50 2945.88
1965 0.00 a 0.50 24.00 154.66 a 263.50 438.00 746.58 a 743.00 426.00 149.50 11.50 0.00 2957.24
1966 0.00 0.00 2.67 b 92.00 363.00 524.42 d 791.50 728.50 483.10 a 219.87 d 6.21 a 0.00 f 3211.28
1967 0.00 0.00 25.00 26.00 219.50 463.50 768.50 695.00 502.50 166.88 a 0.00 j 0.00 2866.88
1968 0.00 0.00 2.00 32.00 199.50 546.50 733.67 a 636.00 442.00 159.50 3.50 0.00 2754.67
1969 0.00 0.00 7.00 67.00 295.50 566.00 875.50 867.50 598.93 b 113.31 b 0.00 c 0.00 a 3390.74
1970 0.00 a 0.00 g 2.50 33.00 385.50 0.00 z 974.43 a 930.50 533.50 130.00 i 31.00 m 0.00 a 2859.43
1971 6.31 d 29.17 d 170.50 b 259.14 a 0.00 z 773.50 901.50 0.00 z 498.62 a 73.76 b 2.00 4.81 b 2719.31
1972 0.00 b 13.29 e 68.50 i 144.00 f 315.54 c 568.93 b 564.00 k 720.75 e 484.04 d 110.50 t 0.00 k 0.00 f 2102.54
1973 0.00 k 0.00 d 0.00 n 0.00 z 233.00 k 470.50 h 709.00 f 741.62 e 414.83 a 142.50 34.50 0.00 1333.44
1974 0.00 0.00 z 29.21 e 68.50 385.50 722.00 783.50 722.00 497.07 a 215.97 a 0.00 0.00 a 3423.75
1975 0.00 0.00 f 6.09 c 37.50 226.50 504.64 b 787.50 710.00 496.03 a 157.50 6.00 0.00 2931.77
1976 0.00 0.00 c 2.50 73.39 b 374.50 563.50 792.50 685.00 455.00 104.50 0.00 0.00 3050.89
1977 0.00 0.00 0.00 166.55 a 254.00 637.00 820.50 765.50 560.00 235.60 a 0.00 z 0.00 3439.15
1978 0.00 z 0.00 41.85 a 128.28 a 278.00 635.50 816.00 736.00 510.00 245.50 23.50 0.00 3414.63
1979 0.00 a 0.00 2.50 138.50 0.00 z 581.00 846.00 0.00 z 609.00 0.00 z 7.00 0.00 q 2184.00
1980 2.00 0.00 2.50 99.00 208.70 c 377.50 l 890.98 b 0.00 z 529.14 a 0.00 z 0.00 z 8.50 1740.82
1981 0.00 4.50 4.50 210.00 396.50 714.31 a 845.00 775.50 519.64 b 160.68 a 10.00 0.00 c 3640.64
1982 0.00 0.00 2.00 93.50 280.50 531.50 763.00 760.50 564.00 100.00 9.50 0.00 3104.50
1983 0.00 0.00 10.00 33.50 279.00 492.00 777.50 768.00 575.50 211.50 27.50 0.00 3174.50
1984 0.00 0.00 7.50 70.50 484.50 589.00 812.50 742.00 526.50 109.50 3.00 0.00 3345.00
1985 0.00 0.00 9.00 166.50 338.50 643.00 844.00 754.50 381.00 161.50 8.00 0.00 3306.00
1986 1.00 13.50 73.50 133.50 358.50 652.50 777.00 844.50 433.00 116.00 11.00 0.00 3414.00
1987 0.00 0.00 2.00 194.00 336.50 669.00 724.00 693.50 472.00 272.50 20.00 0.00 3383.50
1988 0.00 6.50 34.00 148.00 368.00 701.00 234.50 w 780.00 492.50 368.50 78.50 0.00 2977.00
1989 0.00 21.00 128.00 327.50 481.00 659.00 913.50 752.50 574.00 235.50 8.00 0.00 4100.00
1990 0.00 2.00 76.00 209.50 392.50 751.00 885.00 768.00 614.50 233.00 31.00 0.00 3962.50
1991 0.00 0.00 15.00 111.50 346.50 563.50 860.00 827.00 579.00 325.00 19.00 0.00 3646.50
1992 0.00 0.00 22.00 275.00 431.50 612.00 776.50 756.00 582.50 305.00 2.50 0.00 3763.00
1993 0.00 0.00 42.00 182.50 456.50 633.50 814.50 779.00 528.00 222.00 2.50 0.00 3660.50
1994 0.00 3.50 50.00 182.50 386.50 766.00 885.50 912.50 592.00 208.50 23.00 0.00 4010.00
1995 0.00 11.50 68.00 129.50 299.00 574.00 836.00 893.50 612.00 253.50 38.50 10.00 3725.50
1996 0.00 39.00 31.00 191.50 549.50 747.50 958.00 893.00 484.00 306.00 23.50 2.00 4225.00
1997 4.00 0.00 83.00 143.00 540.50 651.00 823.50 805.50 675.50 247.50 30.50 0.00 4004.00
1998 0.00 0.50 44.50 83.00 369.00 597.00 913.50 825.00 596.50 0.00 z 8.50 0.00 3437.50
1999 5.88 b 3.50 38.50 103.45 a 374.67 b 627.93 a 799.00 725.92 a 518.79 a 235.27 c 23.40 e 7.23 a 3463.54
2000 4.81 b 4.30 b 19.63 a 253.97 a 518.00 698.79 a 884.57 b 801.87 a 610.18 b 214.00 0.00 d 0.00 d 4010.11
2001 0.00 c 3.92 c 41.50 175.18 b 450.69 e 707.59 a 817.92 e 750.09 c 607.00 294.50 e 67.22 c 0.00 c 3915.61
2002 0.00 b 0.00 c 2.50 k 123.00 n 446.52 e 557.00 g 893.00 553.50 j 339.00 k 143.50 i 2.00 l 0.00 1339.52
2003 0.00 0.00 l 16.00 i 93.50 i 295.00 h 292.00 q 547.00 m 358.50 r 222.00 r 153.50 q 22.50 k 0.00 g 0.00
2004 0.00 0.56 c 145.50 133.93 b 355.50 f 651.50 812.50 591.00 f 511.00 147.50 g 2.31 d 0.00 g 2257.29
2005 0.00 d 0.00 14.47 a 154.00 450.50 610.50 897.85 d 731.00 461.00 f 264.65 d 16.00 l 0.00 z 3122.97
2006 0.00 f 16.50 j 2.50 m 97.50 o 322.50 k 149.50 x 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00
2007 0.00 3.65 e 86.44 e 186.00 335.00 g 732.60 e 675.00 i 695.50 f 623.00 237.50 55.50 3.00 g 1924.69
2008 0.00 0.00 a 35.50 127.50 333.25 e 469.50 i 639.00 h 629.50 h 575.50 239.00 38.00 1.50 1350.25
2009 0.50 22.50 33.00 g 197.22 c 529.07 a 606.50 944.00 824.00 594.00 212.50 72.00 0.00 4002.29
2010 0.00 h 0.00 z 21.00 87.50 f 337.00 677.00 875.50 798.00 84.00 z 0.00 z 0.00 z 0.00 z 2708.50
Period of Record Statistics
MEAN 0.40 4.67 31.63 144.88 364.50 626.71 831.54 775.94 540.52 209.29 15.84 0.75 3565.89
S.D. 1.33 10.73 32.05 70.45 85.87 72.20 60.39 54.54 64.22 63.96 17.39 2.01 301.60
SKEW 3.42 3.87 1.87 1.16 0.05 -0.19 -0.04 0.30 0.00 0.34 2.08 3.08 -0.14
MAX 6.31 75.50 170.50 463.27 555.00 773.50 974.43 930.50 719.50 411.50 92.00 10.00 4225.00
MIN 0.00 0.00 0.00 26.00 186.50 438.00 663.00 627.00 381.00 73.00 0.00 0.00 2754.67
NO YRS 105 105 103 105 104 106 102 101 106 100 101 99 66