HOLBROOK, ARIZONA

Monthly Total Heating Degree Days

(024089)

Base Temperature = 65 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 916.50 670.50 637.50 256.50 l 156.50 1.00 0.00 3.50 27.50 345.00 651.50 867.50 4277.00
1894 1010.00 831.00 587.50 322.50 82.50 28.50 0.00 0.00 58.00 263.00 597.00 779.00 4559.00
1895 919.50 774.50 614.50 393.00 101.00 39.50 0.00 0.00 72.50 290.00 874.50 1174.50 5253.50
1896 874.50 793.00 591.50 429.00 156.50 0.50 0.00 0.00 44.00 360.50 658.50 943.00 4851.00
1897 1027.00 811.00 735.00 364.50 63.00 22.00 0.00 0.00 3.00 350.50 657.00 1054.00 5087.00
1898 1262.50 774.50 735.00 269.50 186.00 17.50 0.00 0.00 19.00 374.50 745.50 1438.50 5822.50
1899 1331.00 854.00 c 626.50 325.00 204.50 29.50 0.00 0.00 11.00 339.50 634.00 948.00 5303.00
1900 847.00 752.00 478.00 427.50 83.50 0.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2588.50
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 0.00 u 76.50 330.00 590.00 1011.50 2008.00
1904 1089.50 585.50 514.00 358.50 132.50 25.00 0.00 0.00 33.00 355.00 708.50 939.00 4740.50
1905 909.00 702.00 536.50 389.00 213.50 5.00 0.00 0.00 35.00 355.50 622.50 1211.00 4979.00
1906 1254.00 637.00 587.00 388.00 109.50 15.50 0.00 6.00 50.00 349.50 629.50 799.00 4825.00
1907 814.00 571.50 504.00 282.50 237.50 38.50 0.00 2.50 41.50 157.00 h 673.97 a 839.50 4005.47
1908 869.50 749.50 561.62 a 379.50 283.50 45.00 0.00 0.50 45.00 401.50 538.00 805.00 4678.62
1909 720.50 741.00 707.00 439.50 226.00 8.50 0.00 0.00 42.00 308.00 644.50 0.00 z 3837.00
1910 1002.50 746.00 422.00 364.50 91.00 0.00 0.00 0.00 16.50 309.50 541.50 691.50 4185.00
1911 744.50 695.50 418.00 324.50 185.00 7.00 0.00 0.00 0.00 293.50 0.00 z 0.00 z 2668.00
1912 0.00 z 0.00 z 0.00 z 66.50 v 135.50 0.00 0.00 0.00 57.00 365.50 685.50 1199.50 2443.00
1913 1095.50 862.50 678.00 339.00 82.50 0.00 0.00 0.00 73.50 397.50 0.00 z 0.00 z 3528.50
1914 0.00 z 0.00 z 0.00 z 367.00 158.50 31.00 0.00 0.00 7.00 276.50 568.00 1014.50 2422.50
1915 1003.00 731.50 715.50 340.50 194.00 72.00 0.00 0.00 29.50 185.00 g 613.85 d 0.00 z 3699.85
1916 0.00 z 583.00 563.00 341.00 154.00 4.50 0.00 0.00 15.54 b 278.50 595.50 1027.00 3562.04
1917 1002.00 678.50 743.00 532.24 a 246.50 13.00 0.00 0.00 67.78 c 329.50 609.50 737.50 4959.52
1918 1110.00 627.50 594.96 e 469.00 278.50 16.00 0.00 0.00 13.50 227.00 794.00 1011.00 5141.46
1919 1466.50 666.00 540.50 260.17 a 0.00 z 0.00 z 0.00 h 0.00 26.50 0.00 z 750.00 884.50 4594.17
1920 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.50 j 0.00 z 319.00 m 546.50 953.50 1500.00
1921 858.50 617.00 378.00 414.00 165.50 18.50 0.00 0.00 11.50 226.00 584.50 852.00 4125.50
1922 1019.00 752.50 647.00 477.00 175.00 0.00 0.00 g 0.00 s 8.00 v 419.00 0.00 z 0.00 z 3489.50
1923 0.00 z 0.00 z 242.00 q 291.00 78.00 18.50 0.00 0.00 81.00 353.50 530.50 949.00 2301.50
1924 975.50 674.50 699.00 399.00 77.50 9.00 0.00 0.00 52.24 a 306.50 619.50 1067.00 4879.74
1925 1124.50 629.00 411.50 f 96.35 d 34.50 23.50 0.00 0.00 15.50 284.00 619.50 911.83 b 3738.67
1926 897.50 562.50 534.00 254.00 112.00 0.00 0.00 0.00 15.00 180.50 593.50 1062.00 4211.00
1927 841.00 570.50 592.62 a 321.50 109.53 a 17.50 0.00 0.00 28.50 259.50 506.00 1004.00 4250.65
1928 933.00 797.00 502.00 354.00 73.50 12.00 0.00 0.00 5.50 228.00 696.00 1016.00 4617.00
1929 965.50 845.50 634.00 424.00 109.00 15.50 0.00 0.00 8.50 300.00 814.00 887.00 5003.00
1930 992.50 661.50 669.50 260.00 249.00 20.00 0.00 0.00 54.00 374.00 751.00 1139.00 5170.50
1931 1077.00 673.50 641.50 301.00 108.00 0.00 0.00 0.00 9.00 246.00 786.50 1274.50 5117.00
1932 1084.00 701.00 619.00 353.00 151.00 54.50 0.00 0.00 21.50 325.00 649.00 1293.00 5251.00
1933 1422.00 927.00 581.50 485.50 287.00 12.00 0.00 0.00 0.00 196.00 652.00 847.16 b 5410.16
1934 925.00 614.00 417.50 231.00 46.50 19.00 0.00 0.00 56.00 225.50 618.00 933.00 4085.50
1935 905.00 648.50 0.00 z 316.50 233.50 5.00 0.00 0.00 44.00 37.50 o 711.21 a 926.00 3789.71
1936 903.00 706.00 581.50 290.00 72.50 20.00 0.00 h 0.00 55.00 255.00 664.50 887.00 4434.50
1937 1565.50 807.50 630.50 334.00 75.00 19.00 0.00 0.00 2.50 234.50 584.44 c 796.50 5049.44
1938 842.00 675.50 571.50 396.43 b 175.50 0.00 0.00 0.00 a 0.00 309.50 838.00 661.00 f 3808.43
1939 918.50 943.00 568.50 263.50 70.50 8.89 c 1.00 0.00 18.50 349.50 601.00 836.00 4578.89
1940 921.50 734.50 556.00 335.00 44.00 32.00 0.00 1.00 61.50 216.50 715.50 849.00 4466.50
1941 885.50 616.50 588.50 480.00 102.00 10.50 0.00 0.00 46.50 263.00 723.00 1011.50 4727.00
1942 1091.00 907.00 744.00 329.00 121.50 0.00 0.00 0.00 0.00 159.00 358.00 666.00 4375.50
1943 744.00 609.00 431.50 211.50 98.50 2.00 0.00 0.00 10.50 279.00 a 630.00 990.00 4006.00
1944 1029.50 791.00 675.50 439.50 139.50 34.50 0.00 0.00 0.00 202.00 740.50 889.50 4941.50
1945 941.50 581.00 554.50 236.00 0.00 z 3.50 0.00 n 0.00 55.00 248.50 714.50 655.50 k 3334.50
1946 1145.50 887.50 505.00 149.00 18.00 2.00 0.00 0.00 13.00 350.00 712.50 842.00 4624.50
1947 1043.50 648.50 567.00 365.00 72.00 8.50 0.00 0.00 1.61 b 217.50 748.50 978.50 4650.61
1948 956.50 799.50 762.50 261.50 47.00 2.50 0.00 0.00 9.00 263.50 777.50 854.50 4734.00
1949 1152.00 805.00 579.50 310.50 137.00 16.00 0.00 0.00 0.50 302.00 556.50 1021.50 4880.50
1950 893.00 613.50 520.50 223.50 149.00 8.50 0.00 0.00 60.00 73.50 573.00 789.50 3904.00
1951 914.00 729.50 623.00 350.00 137.50 27.50 0.00 7.00 0.50 271.00 671.90 a 910.50 4642.40
1952 884.00 783.00 737.50 320.00 79.50 3.00 0.00 0.00 36.50 197.00 901.50 962.50 4904.50
1953 772.00 776.00 540.50 334.00 237.50 13.00 0.00 0.00 0.50 219.50 578.50 1140.00 4611.50
1954 696.00 f 639.50 752.50 73.00 y 7.00 s 24.00 0.00 0.00 5.00 214.93 a 566.00 958.00 3159.93
1955 1039.00 957.00 654.00 384.00 140.50 38.00 0.00 0.00 14.50 k 193.75 a 626.50 798.00 4830.75
1956 753.50 949.50 626.95 b 431.00 104.00 0.50 0.00 b 0.00 a 3.00 223.95 b 820.38 d 663.00 j 3912.78
1957 763.00 481.00 532.00 331.00 190.50 10.00 0.00 1.00 24.00 294.00 694.50 742.50 4063.50
1958 861.50 561.50 632.50 382.50 58.00 0.00 0.00 0.00 33.50 267.00 724.00 835.00 4355.50
1959 917.00 743.00 623.50 320.50 153.50 0.00 a 0.00 0.00 r 57.00 285.00 686.50 942.00 4728.00
1960 1220.50 895.00 530.00 324.50 163.50 14.50 0.00 0.00 14.50 339.50 441.50 f 1149.00 4651.00
1961 1018.00 670.00 597.00 366.00 156.00 14.50 0.00 c 0.00 69.50 380.00 663.50 1202.80 a 5137.30
1962 1182.00 775.00 769.50 186.00 210.50 18.00 0.00 1.50 33.50 f 255.75 a 534.50 936.72 a 4869.47
1963 1164.00 675.50 647.00 452.00 64.00 40.00 0.00 0.50 0.50 237.50 674.50 1096.22 b 5051.72
1964 1063.00 979.00 720.00 437.59 a 126.50 8.00 0.00 a 0.00 f 24.00 130.09 c 684.11 b 823.00 4995.28
1965 835.97 a 759.00 629.50 369.31 a 237.50 69.50 0.00 a 0.00 80.50 344.50 623.50 945.50 4894.78
1966 1187.50 930.50 706.05 b 402.00 116.00 21.92 d 0.00 1.00 51.72 a 260.63 d 679.14 a 913.00 f 4356.47
1967 1139.50 845.50 627.50 567.50 305.00 60.50 0.00 0.00 27.50 317.75 a 444.00 j 1326.00 5216.75
1968 1457.00 743.50 713.00 545.50 282.00 48.50 0.00 a 8.50 80.00 320.00 711.50 1161.50 6071.00
1969 898.00 816.00 830.00 425.00 199.00 11.00 0.00 0.00 5.89 b 396.59 b 666.67 c 830.80 a 5078.95
1970 964.62 a 499.00 g 707.50 531.50 114.50 0.00 z 0.00 a 0.00 53.50 219.00 i 244.50 m 896.42 a 3268.03
1971 863.41 d 616.58 d 412.09 b 225.52 a 0.00 z 10.00 0.00 0.00 z 88.97 a 485.31 b 652.50 1099.97 b 4454.34
1972 938.02 b 743.12 e 315.00 i 223.00 f 149.46 c 20.89 b 0.00 k 0.00 e 32.88 d 54.50 t 516.50 k 833.00 f 1884.38
1973 737.00 k 793.33 d 470.50 n 0.00 z 78.00 k 16.00 h 0.00 f 0.00 e 76.03 a 363.00 654.50 920.00 2806.87
1974 1058.50 0.00 z 541.31 e 471.50 104.00 9.50 0.00 0.00 51.72 a 274.35 a 669.00 1081.90 a 4261.78
1975 1089.50 613.00 f 694.18 c 564.50 252.00 20.89 b 0.00 0.00 43.97 a 355.00 769.50 1056.00 4845.54
1976 1035.50 722.21 c 743.50 435.54 b 110.00 17.50 0.00 4.00 47.50 426.50 741.00 1079.00 5362.25
1977 1201.50 778.50 770.50 350.17 a 226.00 0.00 0.00 0.00 16.00 237.67 a 0.00 z 780.50 4360.84
1978 0.00 z 745.50 544.05 a 366.72 a 221.00 0.00 0.00 0.00 36.50 227.50 608.50 1121.50 3871.27
1979 1073.12 a 820.50 690.00 387.00 0.00 z 33.50 0.00 0.00 z 7.50 0.00 z 785.00 471.50 q 3796.62
1980 856.00 677.50 695.00 436.00 261.29 c 16.50 l 0.00 b 0.00 z 16.55 a 0.00 z 0.00 z 787.50 3729.84
1981 860.50 705.50 637.50 254.50 91.50 10.86 a 0.00 0.00 11.25 b 361.67 a 602.00 849.73 c 4385.01
1982 1019.00 712.50 614.00 387.50 192.00 25.50 0.50 0.00 34.00 415.50 624.00 881.50 4906.00
1983 1000.50 684.50 651.50 563.50 245.00 38.50 0.00 0.00 31.50 253.50 656.00 824.00 4948.50
1984 996.50 884.50 647.00 433.00 60.00 14.50 0.00 0.00 33.00 439.00 654.50 902.00 5064.00
1985 954.00 790.50 603.50 293.50 133.50 17.00 0.00 0.00 111.50 304.00 659.50 966.50 4833.50
1986 813.50 659.50 475.00 351.50 137.00 3.50 0.00 0.00 74.00 384.00 647.50 917.50 4463.00
1987 1118.50 738.50 699.50 284.00 134.00 0.00 0.00 0.00 34.00 196.50 662.00 1017.00 4884.00
1988 1023.50 698.50 599.50 342.50 153.00 6.00 0.00 w 0.00 45.00 109.00 573.00 913.50 4463.50
1989 971.00 673.00 421.50 148.00 70.50 2.00 0.00 0.00 20.00 265.50 612.00 923.00 4106.50
1990 917.00 760.50 527.00 253.50 102.50 4.50 0.00 0.00 19.50 247.50 602.50 1091.50 4526.00
1991 931.50 628.00 675.00 367.00 136.00 32.50 0.00 0.00 0.00 189.00 636.50 923.50 4519.00
1992 1176.00 649.00 536.00 194.00 71.50 4.50 0.00 10.00 0.00 163.00 730.00 1054.00 4588.00
1993 769.00 651.50 523.50 290.00 81.50 20.50 0.00 0.00 31.00 278.00 696.50 894.50 4236.00
1994 868.50 740.50 504.00 310.00 113.50 0.00 0.00 0.00 11.50 283.00 688.00 793.50 4312.50
1995 837.50 510.00 484.50 391.50 181.00 30.50 0.00 0.00 12.50 225.50 463.00 773.00 3909.00
1996 815.50 530.50 553.00 290.00 29.00 0.00 0.00 0.00 65.50 271.00 567.00 783.00 3904.50
1997 892.50 694.50 466.00 366.50 34.00 12.00 0.00 0.00 0.00 305.00 521.00 959.50 4251.00
1998 780.00 717.00 603.00 445.50 124.00 15.50 0.00 0.00 5.00 0.00 z 579.00 895.50 4164.50
1999 794.24 b 628.50 478.50 446.90 a 116.52 b 15.00 a 0.00 0.00 a 18.62 a 255.20 c 561.60 e 989.42 a 4304.49
2000 823.10 b 608.46 b 589.52 a 222.41 a 56.00 0.00 a 0.00 b 0.00 a 19.82 b 285.00 791.54 d 892.69 d 4288.54
2001 962.66 c 682.64 c 540.50 314.46 b 69.15 e 7.24 a 0.00 e 0.00 c 2.00 183.62 e 531.67 c 963.21 c 4257.16
2002 936.95 b 766.08 c 464.00 k 118.50 n 81.67 e 0.00 g 0.00 0.00 j 14.00 k 189.50 i 387.00 l 1005.00 2789.70
2003 785.50 390.00 l 435.50 i 239.50 i 109.00 h 0.00 q 0.00 m 0.00 r 2.00 r 61.50 q 381.00 k 678.00 g 785.50
2004 890.00 780.21 c 381.00 335.36 b 41.00 f 3.00 0.00 0.00 f 63.50 229.00 g 671.54 d 714.00 g 3124.61
2005 732.52 d 643.00 587.97 a 319.00 96.00 9.00 0.00 d 0.00 10.00 f 208.39 d 407.50 l 0.00 z 2595.87
2006 732.50 f 447.50 j 441.50 m 129.00 o 30.50 k 0.00 x 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1039.50 1039.50
2007 1039.50 629.39 e 511.50 e 272.00 68.50 g 1.80 e 0.00 i 0.00 f 20.50 244.50 498.00 727.50 g 3217.19
2008 1015.50 792.32 a 570.00 350.00 169.31 e 3.50 i 0.00 h 0.00 h 2.00 249.00 555.50 827.50 4531.13
2009 844.00 635.50 436.50 g 307.22 c 22.73 a 7.00 0.00 0.00 17.00 307.50 557.00 1067.00 3764.96
2010 763.00 h 51.00 z 622.50 365.50 f 156.50 6.00 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 785.00
Period of Record Statistics
MEAN 981.32 722.26 598.40 351.79 137.98 15.42 0.01 0.47 30.84 284.88 650.75 955.87 4701.59
S.D. 163.68 103.84 95.82 90.97 68.17 15.41 0.11 1.66 25.71 74.40 89.45 142.37 453.22
SKEW 1.10 0.30 -0.10 0.05 0.49 1.45 7.95 4.19 0.69 -0.01 0.10 0.73 0.36
MAX 1565.50 979.00 830.00 567.50 305.00 72.00 1.00 10.00 111.50 485.31 901.50 1438.50 6071.00
MIN 720.50 481.00 378.00 96.35 18.00 0.00 0.00 0.00 0.00 73.50 358.00 666.00 3904.00
NO YRS 105 105 103 105 104 106 102 101 106 100 101 99 66