CANYON DE CHELLY, ARIZONA

Monthly Total Heating Degree Days

(021634)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 197011
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
1908 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 1044.70 a 1044.70
1909 860.00 825.00 808.50 513.00 313.00 16.00 0.00 0.50 101.00 393.00 713.00 1354.50 5897.50
1910 1098.50 863.00 579.50 399.00 149.00 0.00 0.00 0.00 0.50 419.00 621.00 1016.50 5146.00
1911 895.50 797.50 593.50 424.50 204.50 37.00 7.00 1.00 7.00 462.50 875.00 1242.50 5547.50
1912 1111.00 918.00 723.50 572.50 250.50 36.00 18.17 b 6.00 188.50 493.00 810.00 1282.37 a 6409.54
1913 1294.50 962.00 843.50 516.00 215.50 56.00 g 38.50 40.50 347.50 174.50 u 688.50 1217.00 6163.50
1914 940.33 a 888.00 730.00 423.00 161.64 c 17.00 0.00 24.50 108.50 h 0.00 z 167.50 x 1195.50 4379.98
1915 1341.00 876.50 730.00 406.50 307.50 77.00 0.00 0.00 k 101.50 413.00 767.50 1044.00 6064.50
1916 850.00 g 778.00 620.50 413.00 250.00 19.00 0.00 0.00 80.50 407.00 861.00 1141.83 a 4570.83
1917 1356.00 906.50 897.00 564.00 373.55 a 39.11 b 0.00 a 0.00 a 83.79 a 429.72 b 727.80 e 894.50 6271.97
1918 1236.26 b 858.15 a 636.05 c 549.00 0.00 z 6.00 j 0.00 a 1.72 d 21.00 p 251.00 q 873.50 1260.50 5415.18
1919 1759.50 1070.46 b 623.00 g 393.21 b 126.77 c 66.00 e 0.00 0.00 f 22.50 t 29.50 z 472.50 m 1106.91 b 4522.86
1920 1210.60 b 764.88 a 776.50 649.82 b 215.93 b 27.32 b 0.00 11.50 f 115.56 c 497.50 811.61 b 0.00 z 5069.72
1921 1016.05 b 831.00 647.38 a 561.50 260.50 60.54 b 5.88 b 0.50 47.00 300.00 736.55 a 927.23 c 5394.13
1922 1289.60 a 961.15 b 800.32 a 588.10 a 251.50 26.90 a 0.00 0.00 39.50 422.00 888.33 c 945.50 6212.90
1923 968.00 944.50 903.43 c 564.11 b 381.96 c 67.22 c 0.00 1.50 175.50 361.50 g 784.50 1168.00 5958.72
1924 1239.50 885.02 a 899.00 a 549.50 219.07 a 58.45 a 0.00 0.00 144.11 b 377.00 i 792.50 1303.00 6090.14
1925 1655.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1655.00
1926 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 164.48 a 502.64 c 801.00 1369.50 2837.63
1927 1232.50 814.00 828.00 373.00 f 236.67 e 77.50 0.00 g 8.30 c 158.50 487.50 700.00 1239.50 5782.48
1928 1099.93 d 730.00 g 733.09 d 582.86 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 2415.88
1929 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
1930 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
1931 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
1932 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
1933 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
1934 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
1935 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 n 0.00 0.00 68.28 a 357.00 809.00 1068.50 2302.78
1936 1047.50 772.00 672.50 368.50 153.50 23.00 1.50 0.00 86.00 371.50 570.50 h 504.50 p 3496.00
1937 1633.70 a 900.00 716.50 431.00 141.00 20.50 0.00 0.00 19.00 264.03 b 640.50 894.50 5660.73
1938 973.50 795.50 681.00 416.50 153.00 0.00 z 0.00 g 0.00 x 16.00 h 334.00 918.33 c 907.94 e 5179.78
1939 969.30 c 1025.23 b 653.67 b 308.00 110.64 b 15.00 0.00 0.00 27.41 a 434.00 585.50 f 729.50 g 3543.26
1940 793.50 f 779.38 a 588.43 d 375.54 b 63.00 6.50 0.00 1.50 32.50 318.50 756.21 a 919.50 3841.04
1941 972.00 380.00 n 387.50 k 568.00 179.00 61.50 0.00 0.00 111.00 423.50 753.50 948.00 4016.50
1942 1089.50 910.50 837.00 397.50 208.00 13.50 0.00 2.00 65.50 325.00 613.00 862.00 5323.50
1943 973.50 697.00 593.00 257.00 132.50 16.50 0.00 a 0.00 a 37.76 a 238.00 h 742.00 969.50 4418.76
1944 1202.50 827.00 763.00 551.38 a 255.75 a 84.83 a 0.00 a 0.00 b 46.00 283.65 a 766.50 1036.90 b 5817.50
1945 1003.50 689.77 b 851.43 b 542.50 193.00 84.81 d 0.00 b 0.00 c 51.00 n 318.02 b 787.22 c 1171.28 a 5641.53
1946 1081.26 b 805.50 627.23 a 295.56 c 220.32 c 5.56 c 0.00 b 0.00 54.50 434.50 761.79 b 865.33 b 5151.54
1947 1150.00 729.56 a 634.00 400.00 97.13 a 32.59 a 0.00 c 2.50 19.14 a 314.81 b 851.79 b 1093.00 5324.51
1948 1051.33 b 923.36 d 825.52 d 307.50 f 128.50 g 29.00 f 0.00 c 1.00 58.89 c 376.00 869.50 967.41 b 5073.01
1949 1251.00 1023.00 735.22 a 401.38 a 215.00 32.00 0.00 0.00 b 35.69 a 482.00 657.22 c 1087.00 5919.51
1950 1046.50 735.00 712.50 391.50 255.23 a 59.46 b 0.00 0.00 79.00 157.50 624.00 876.00 4936.70
1951 1014.00 777.50 716.50 389.50 182.50 48.50 0.00 2.50 28.50 380.00 817.50 1078.00 5435.00
1952 1015.50 881.00 834.00 412.00 112.00 7.76 a 0.00 0.00 33.50 243.00 838.50 1051.50 5428.76
1953 833.00 854.50 622.00 409.00 286.00 13.50 0.00 0.00 6.00 349.50 656.38 a 1082.23 c 5112.11
1954 932.58 a 666.50 719.20 a 219.00 76.00 17.00 0.00 0.00 19.66 a 203.71 c 296.00 p 1031.50 3885.15
1955 1157.50 977.50 726.78 d 467.07 a 163.61 d 57.00 0.00 0.00 41.50 241.91 c 713.79 a 792.50 5339.16
1956 756.40 a 885.50 646.00 402.50 93.00 0.00 0.00 a 0.00 8.50 308.00 935.69 a 1094.50 5130.09
1957 926.38 a 612.50 609.00 433.50 267.50 24.50 0.00 0.00 55.50 379.00 811.50 912.50 5031.88
1958 1042.50 656.00 759.50 410.00 83.00 0.54 b 0.00 0.00 57.00 343.50 771.00 891.50 5014.54
1959 988.00 816.67 a 686.13 a 356.00 155.00 5.50 0.00 0.00 63.00 348.50 752.50 986.83 a 5158.13
1960 1202.00 919.50 575.50 392.50 182.50 5.00 0.00 0.00 25.00 357.00 650.50 1113.50 5423.00
1961 1152.00 720.00 649.50 405.50 139.50 14.00 0.00 0.00 92.50 391.50 712.00 1338.00 5614.50
1962 1279.50 732.50 803.00 273.00 190.50 27.50 0.00 0.00 27.50 295.50 586.50 954.50 5170.00
1963 1266.00 696.00 687.50 447.50 68.20 a 29.50 0.00 0.00 0.50 180.50 676.07 b 1165.00 5216.77
1964 1093.00 975.50 842.50 457.50 138.98 a 10.34 a 0.00 3.00 58.45 a 244.38 a 802.50 937.23 a 5563.39
1965 984.25 a 836.00 793.50 465.50 276.00 34.50 1.00 0.00 104.00 338.50 571.50 946.00 5350.75
1966 1103.50 916.00 645.00 398.50 66.50 3.00 0.00 0.00 12.00 357.00 587.50 1043.50 5132.50
1967 1062.00 756.50 520.00 455.00 204.50 25.50 0.00 0.00 36.00 282.50 614.00 1250.00 5206.00
1968 1365.07 b 716.00 667.00 513.50 202.50 34.00 0.00 w 9.00 68.50 305.00 726.50 1221.00 5828.07
1969 923.00 806.00 792.50 347.50 125.00 6.21 a 0.00 e 0.00 a 26.90 a 484.00 810.00 940.00 5261.10
1970 1014.50 700.00 793.50 608.50 197.88 a 60.50 0.00 b 0.00 a 116.50 483.00 694.50 0.00 z 4668.88
Period of Record Statistics
MEAN 1118.45 832.51 720.18 443.86 190.11 31.36 1.44 2.16 68.91 360.36 749.61 1063.73 5438.75
S.D. 199.10 104.36 95.72 95.72 75.73 24.49 6.05 6.82 62.30 86.75 91.93 147.14 379.58
SKEW 1.17 0.09 0.10 0.03 0.38 0.69 5.18 4.50 2.13 -0.24 -0.10 0.35 1.09
MAX 1759.50 1070.46 903.43 649.82 381.96 84.83 38.50 40.50 347.50 502.64 935.69 1369.50 6409.54
MIN 756.40 612.50 520.00 219.00 63.00 0.00 0.00 0.00 0.50 157.50 571.50 792.50 4936.70
NO YRS 52 51 51 51 50 48 50 49 49 47 49 51 31