PRESCOTT, ARIZONA

Monthly Total Heating Degree Days

(026796)

Base Temperature = 65 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
1898 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2.50 m 0.00 z 0.00 z 213.00 590.50 944.50 1748.00
1899 913.00 733.50 642.00 445.00 542.50 56.50 0.00 12.50 2.50 396.00 583.00 805.00 5131.50
1900 748.00 691.50 501.00 589.00 227.00 24.50 1.00 5.50 170.50 351.00 607.50 835.45 a 4751.95
1901 897.50 745.50 694.00 489.00 199.50 75.00 6.50 0.00 103.00 h 363.00 563.00 881.50 4914.50
1902 944.00 714.00 833.00 415.00 265.00 48.50 14.50 20.50 107.00 332.00 741.50 975.00 5410.00
1903 909.50 933.52 c 688.50 537.00 326.50 61.00 15.00 3.00 137.50 492.50 579.00 974.50 5657.52
1904 1040.50 735.00 566.00 519.00 306.00 83.00 0.00 0.00 0.00 z 0.00 z 281.50 q 833.50 4083.00
1905 803.00 940.50 609.00 453.50 334.00 20.00 0.00 0.00 29.00 181.50 627.00 944.50 4942.00
1906 875.50 735.50 655.00 465.50 259.50 62.00 0.00 13.50 115.50 349.50 709.00 799.00 5039.50
1907 956.00 0.00 z 0.00 z 0.00 z 324.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1280.00
1908 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 74.50 0.00 0.00 98.00 473.50 638.50 892.00 2176.50
1909 751.00 752.00 774.00 474.50 308.50 25.00 2.50 7.50 85.00 351.50 566.50 1003.00 5101.00
1910 922.00 734.00 511.00 378.50 142.00 18.50 0.00 0.00 15.50 333.50 558.62 a 745.00 4358.62
1911 795.50 800.00 586.00 475.50 349.50 45.00 5.50 4.00 38.50 397.50 728.00 1097.00 5322.00
1912 892.50 759.50 752.00 607.50 305.50 16.00 30.00 8.50 182.00 479.50 660.50 1019.50 5713.00
1913 1070.50 853.50 833.00 512.50 285.00 83.00 27.00 7.00 118.50 412.00 614.00 980.00 5796.00
1914 820.00 769.50 631.00 438.50 225.50 59.50 0.50 3.00 35.50 373.00 569.50 986.50 4912.00
1915 996.00 765.00 735.50 478.50 365.50 65.50 1.00 0.00 107.00 293.00 655.50 938.50 5401.00
1916 1004.00 668.00 570.50 425.50 301.50 34.50 2.50 7.50 88.00 470.00 734.00 989.50 5295.50
1917 1071.00 788.50 830.00 548.00 442.00 61.00 2.50 3.62 a 75.00 311.00 564.50 723.50 5420.62
1918 947.00 696.00 641.00 455.50 341.50 11.00 14.50 30.00 40.00 275.00 0.00 z 830.28 a 4281.78
1919 168.00 y 813.00 639.00 336.21 a 0.00 z 48.50 0.00 z 0.00 5.00 s 529.00 719.00 870.00 3954.71
1920 882.00 695.50 737.50 553.00 237.00 44.00 0.00 18.00 87.50 430.00 679.00 993.50 5357.00
1921 869.50 673.00 576.00 483.00 310.00 64.50 8.00 0.00 45.00 271.50 554.00 729.50 4584.00
1922 1007.50 836.00 746.00 530.00 199.00 17.50 0.00 0.00 10.00 359.50 789.00 828.50 5323.00
1923 821.50 811.50 744.00 486.00 176.00 130.50 6.50 6.50 156.50 508.50 658.50 959.50 5465.50
1924 1084.48 a 720.50 828.50 526.50 173.50 20.00 2.00 0.00 69.11 b 343.30 d 499.50 923.50 5190.89
1925 970.09 b 622.50 606.57 a 420.00 156.50 86.00 6.31 d 4.59 d 111.50 397.00 686.50 850.00 4917.56
1926 995.50 661.00 609.31 b 417.00 241.00 6.00 1.00 0.00 a 35.00 c 262.93 d 563.04 b 955.12 b 4746.89
1927 770.02 c 657.42 d 678.68 c 462.12 d 206.84 b 58.89 c 0.00 b 7.46 d 75.56 c 333.52 b 576.72 a 1019.79 b 4847.02
1928 893.26 d 796.29 e 594.37 e 319.50 f 181.87 a 36.92 d 1.50 f 1.19 e 34.62 d 328.37 d 702.41 a 1043.00 4612.30
1929 1044.91 b 881.50 733.00 506.00 195.50 68.79 a 0.00 0.00 59.48 a 313.10 a 735.00 767.50 5304.79
1930 1027.50 656.50 725.83 b 346.67 c 375.10 a 56.25 b 3.10 a 8.27 a 97.00 438.50 733.45 a 976.50 5444.66
1931 957.90 a 709.33 a 644.59 b 345.00 159.00 24.83 a 0.00 0.52 a 52.50 366.83 a 786.21 a 1069.00 5115.70
1932 1133.57 a 786.00 653.50 445.18 b 239.50 122.50 0.00 8.50 44.50 366.00 580.71 b 1126.33 a 5506.29
1933 1147.00 1016.50 649.45 a 550.50 390.08 a 35.00 0.00 0.00 16.50 242.83 a 598.50 803.00 5449.37
1934 882.00 641.00 440.00 294.50 72.00 78.50 0.00 0.50 72.50 265.50 616.00 822.50 4185.00
1935 938.50 702.50 760.00 412.00 328.50 6.21 a 6.41 b 1.00 56.00 391.00 728.00 932.00 5262.12
1936 698.50 g 786.00 657.00 353.00 154.50 47.00 1.50 0.00 c 83.04 b 363.50 711.43 b 962.50 4119.46
1937 1396.50 838.00 770.50 474.00 195.50 63.50 0.50 0.00 16.50 h 261.00 563.50 768.28 a 5331.28
1938 766.00 721.00 654.50 369.50 219.50 27.00 3.50 5.50 6.50 343.50 755.50 786.50 4658.50
1939 879.50 967.00 613.00 319.00 153.00 27.50 0.00 0.00 56.00 371.50 564.00 695.50 4646.00
1940 796.00 710.00 551.50 367.50 95.00 16.50 0.50 3.50 51.00 323.50 719.00 764.50 4398.50
1941 849.00 631.50 663.00 620.36 b 240.00 98.00 2.00 5.00 120.00 464.50 623.28 a 857.00 5173.63
1942 887.00 827.00 724.50 460.50 288.00 54.50 0.00 0.00 8.50 252.00 477.50 718.50 4698.00
1943 776.50 605.50 530.50 290.50 100.00 37.00 0.00 0.00 35.50 254.00 566.50 841.00 4037.00
1944 877.00 798.50 706.50 504.50 190.50 55.50 1.00 l 0.00 k 25.50 m 229.63 d 666.50 788.50 4817.13
1945 654.50 i 478.00 h 839.87 d 377.00 f 0.00 z 0.00 z 0.00 0.00 p 101.00 272.50 665.00 970.00 2848.37
1946 926.00 761.50 459.00 h 342.00 245.50 10.50 0.00 0.00 34.50 496.50 735.00 759.00 4310.50
1947 973.50 611.50 595.00 414.50 109.00 f 25.50 0.00 2.00 10.00 319.82 a 796.00 956.50 4704.32
1948 106.50 z 276.50 q 797.22 a 393.50 199.00 43.00 0.00 a 0.50 65.50 343.00 782.59 a 849.00 3473.30
1949 1231.50 924.00 677.00 351.00 246.00 40.71 b 0.00 14.00 f 9.50 p 454.50 295.50 j 958.50 4883.21
1950 934.00 601.48 a 400.50 i 318.50 263.50 63.00 1.50 0.50 147.50 173.00 528.50 681.50 3712.98
1951 890.50 744.00 716.00 476.00 291.50 106.50 0.00 18.50 29.50 354.50 673.50 907.00 5207.50
1952 924.50 786.00 863.00 440.00 169.50 50.50 0.00 0.00 42.00 i 202.00 776.50 905.00 5117.00
1953 707.50 736.50 635.50 449.00 392.50 71.00 0.00 11.50 39.50 373.00 555.00 934.50 4905.50
1954 836.50 589.50 707.00 308.50 158.50 75.50 0.00 7.50 35.00 c 250.00 532.50 861.50 4362.00
1955 1032.00 839.00 645.50 494.50 243.00 82.50 8.50 0.00 92.00 224.00 598.50 711.50 4971.00
1956 721.00 871.50 610.50 468.00 160.34 b 3.00 1.00 3.10 a 6.50 319.00 705.00 897.50 4766.44
1957 859.00 560.00 609.00 473.50 341.52 a 20.50 0.00 b 10.50 48.00 372.50 745.56 c 788.43 a 4828.51
1958 919.84 b 678.09 e 830.80 a 473.00 142.50 52.24 a 0.00 0.00 90.00 304.00 672.00 710.50 4872.97
1959 817.00 806.50 610.00 334.00 253.50 8.50 0.00 0.50 89.00 285.00 629.00 806.00 a 4639.00
1960 1074.00 838.50 519.00 372.00 219.07 a 1.00 0.00 0.00 28.00 375.62 a 602.50 890.50 4920.18
1961 821.50 644.00 655.50 385.00 193.50 32.50 0.00 6.00 94.50 342.55 a 679.50 915.00 4769.55
1962 934.00 730.15 b 798.54 d 303.62 a 290.00 65.69 a 0.00 0.00 28.00 309.00 508.00 799.50 4766.50
1963 951.00 568.00 707.00 514.50 135.00 69.50 0.00 0.00 25.50 227.00 600.00 863.50 4661.00
1964 962.50 874.00 796.00 536.50 271.50 55.00 0.00 4.00 68.00 185.50 760.50 869.00 5382.50
1965 809.50 742.00 755.50 514.00 316.41 b 129.31 a 0.00 0.00 132.00 252.00 539.00 843.00 5032.72
1966 982.00 877.50 602.00 383.00 110.57 a 36.00 0.00 0.50 36.50 337.00 590.50 920.50 4876.07
1967 908.00 703.00 557.50 597.50 277.50 120.50 0.00 1.00 43.50 295.50 531.50 1101.02 a 5136.52
1968 1026.50 643.00 651.00 523.00 251.50 63.00 0.00 41.50 80.50 331.00 679.00 1017.50 5307.50
1969 796.50 838.50 834.00 452.50 221.50 43.50 0.00 0.00 39.00 448.50 663.00 809.50 5146.50
1970 863.50 629.50 712.00 593.00 204.00 65.00 0.00 0.00 137.50 398.00 540.00 875.00 5017.50
1971 859.00 730.00 620.50 500.00 370.00 105.00 0.00 0.00 113.50 491.00 677.00 1005.00 5471.00
1972 855.00 669.50 408.50 399.00 230.00 38.00 0.00 7.00 77.50 364.00 764.50 967.00 4780.00
1973 994.50 752.00 853.00 542.50 209.50 72.50 1.00 1.50 63.50 279.50 613.50 774.00 5157.00
1974 921.00 771.00 593.00 475.00 185.50 16.50 1.00 0.50 64.00 304.50 631.50 944.50 4908.00
1975 873.00 780.50 750.00 642.50 309.00 53.00 0.00 3.00 47.00 322.50 636.00 862.00 5278.50
1976 845.00 672.50 736.50 538.50 209.00 77.00 2.00 7.50 107.50 393.50 568.00 845.50 5002.50
1977 937.00 678.00 793.00 435.00 401.00 29.50 1.50 1.00 72.00 263.50 532.00 675.00 4818.50
1978 823.50 726.50 586.00 504.50 296.00 20.50 1.50 1.50 78.00 196.50 629.50 984.50 4848.50
1979 1054.50 795.50 719.50 468.00 271.50 70.00 4.00 41.00 13.50 229.00 720.00 774.00 5160.50
1980 790.50 673.00 755.00 476.50 404.00 64.50 0.00 11.00 33.00 341.50 570.00 657.00 4776.00
1981 737.00 660.00 716.00 363.50 238.50 18.00 0.00 2.00 46.50 414.50 533.50 734.50 4464.00
1982 933.50 711.50 716.50 480.00 271.00 84.50 22.00 1.50 104.00 424.50 672.00 899.50 5320.50
1983 857.00 697.50 0.00 z 147.50 t 244.50 30.50 1.00 4.50 32.50 267.00 599.00 731.00 3464.50
1984 837.00 745.50 559.50 469.50 71.50 25.00 0.00 4.50 23.50 445.50 641.00 873.50 4696.00
1985 908.50 817.00 665.00 309.00 145.00 39.00 0.50 0.00 126.50 302.00 679.50 795.00 4787.00
1986 669.50 650.50 521.00 386.50 172.00 7.50 1.00 1.00 165.00 418.50 605.00 846.50 4444.00
1987 939.50 747.00 761.50 304.00 209.00 0.50 4.00 6.50 33.00 175.50 671.50 948.00 4800.00
1988 893.00 671.00 637.00 418.00 218.50 25.50 0.00 4.50 88.50 123.50 604.50 914.50 4598.50
1989 953.50 672.00 500.00 219.00 148.00 15.00 0.00 0.50 42.50 289.00 567.00 828.00 4234.50
1990 919.50 784.50 595.50 340.00 223.00 25.50 0.00 5.00 43.00 259.50 618.50 1029.00 4843.00
1991 896.50 586.50 810.00 449.00 239.00 54.50 0.00 0.00 19.50 215.50 625.00 882.00 4777.50
1992 934.00 671.00 638.00 262.50 132.50 28.50 3.00 19.50 14.50 203.50 735.00 950.50 4592.50
1993 802.00 707.00 557.00 338.50 116.50 60.50 0.00 1.00 62.00 302.00 682.50 856.00 4485.00
1994 796.50 763.50 558.50 375.00 212.50 2.00 3.00 0.00 22.50 367.50 757.00 812.50 4670.50
1995 854.00 530.50 605.00 470.00 287.50 67.00 0.00 0.00 16.50 234.50 414.50 764.00 4243.50
1996 783.50 584.50 583.50 314.50 83.50 7.00 0.00 0.00 71.00 322.00 595.00 766.50 4111.00
1997 851.50 712.00 504.00 440.00 69.00 41.00 0.00 0.00 5.17 a 341.00 566.50 953.00 4483.17
1998 0.00 z 778.00 650.00 544.50 273.00 76.50 0.00 0.00 45.50 334.50 558.50 817.00 4077.50
1999 744.50 612.00 544.00 546.50 182.00 58.50 1.00 3.00 39.00 204.00 435.00 855.00 4224.50
2000 725.50 631.79 a 623.00 269.48 a 79.00 6.00 0.00 9.82 a 28.50 326.00 779.00 751.50 4229.58
2001 915.50 740.50 359.00 250.80 e 67.00 8.00 0.00 0.00 0.00 164.00 513.10 a 911.50 3929.40
2002 844.50 664.00 672.00 258.00 152.00 0.00 0.00 0.00 25.00 309.00 564.50 875.00 4364.00
2003 643.00 668.50 611.50 459.50 154.00 5.00 0.00 0.50 10.50 96.50 656.50 832.50 4138.00
2004 848.00 820.50 388.00 391.00 90.50 9.50 0.00 0.00 63.50 334.50 680.50 823.00 4449.00
2005 772.00 675.50 624.50 419.00 152.50 20.50 0.00 0.50 44.00 256.00 529.50 783.50 4277.50
2006 806.00 651.50 728.00 371.00 80.00 0.00 0.00 0.00 89.00 345.00 311.00 k 860.00 3930.50
2007 952.50 648.00 527.50 332.50 103.00 15.50 0.00 0.00 62.00 272.00 433.50 909.50 4256.00
2008 957.50 752.00 575.00 397.00 290.00 14.50 0.00 0.00 8.50 274.00 524.00 859.50 4652.00
2009 779.00 706.50 572.50 445.50 50.50 48.50 0.00 0.00 17.00 0.00 z 531.50 981.50 4132.50
2010 848.00 732.00 686.00 459.00 248.50 24.50 0.00 5.00 10.00 h 231.00 h 698.40 e 535.00 g 3701.40
2011 925.35 a 837.50 585.00 376.50 268.50 32.50 0.00 0.00 11.00 252.00 640.50 945.00 4873.85
2012 788.50 739.00 650.00 330.00 105.00 1.00 0.50 0.00 17.50 241.05 b 535.86 a 691.50 h 3408.41
2013 1013.70 a 818.70 e 494.85 d 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 37.00 z 2327.25
Period of Record Statistics
MEAN 899.02 733.45 654.98 433.59 227.16 44.53 2.02 4.07 60.73 322.55 629.28 874.35 4871.19
S.D. 114.33 90.75 104.60 89.31 91.81 30.53 5.03 7.30 41.97 87.19 85.20 100.05 418.68
SKEW 0.92 0.44 -0.18 -0.10 0.39 0.63 3.74 3.17 0.77 0.07 -0.02 0.11 -0.07
MAX 1396.50 1016.50 863.00 642.50 542.50 130.50 30.00 41.50 182.00 529.00 796.00 1126.33 5796.00
MIN 643.00 530.50 359.00 219.00 50.50 0.00 0.00 0.00 0.00 96.50 414.50 657.00 3929.40
NO YRS 109 111 110 109 110 112 110 110 105 111 110 112 91