FLAGSTAFF PULLIAM AP, ARIZONA

Monthly Total Heating Degree Days

(023010)

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
1893 41.00 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 701.50 840.00 1541.50
1894 1257.50 1110.00 880.00 525.50 283.50 216.00 2.50 13.50 198.00 421.50 673.00 1038.50 6619.50
1895 1223.00 1032.00 821.50 476.00 0.00 z 307.50 20.50 36.00 186.50 520.00 968.00 1175.00 6766.00
1896 1036.00 949.00 838.00 693.00 382.00 78.50 10.50 39.00 0.00 z 0.00 z 0.00 z 0.00 z 4026.00
1897 0.00 z 939.00 933.50 565.00 148.50 41.50 0.00 4.50 65.50 496.50 619.50 1175.00 4988.50
1898 1215.00 807.00 891.50 390.00 424.00 98.00 0.50 5.50 0.00 z 0.00 z 0.00 z 0.00 z 3831.50
1899 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
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 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 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1904 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
1905 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
1906 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 194.50 108.50 209.50 332.50 534.00 883.50 964.00 3226.50
1907 1177.00 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 1177.00
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 0.00 z 0.00
1909 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
1910 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
1911 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
1912 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
1913 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
1914 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
1915 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
1916 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
1917 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
1918 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
1919 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
1920 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
1921 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
1922 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
1923 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 1111.50 1111.50
1924 0.00 z 815.50 1064.00 715.00 398.50 123.00 30.00 40.00 253.00 625.00 815.50 1240.50 6120.00
1925 1290.50 829.50 814.00 632.00 348.50 199.50 35.50 103.00 302.00 587.50 892.00 999.00 7033.00
1926 1163.00 837.50 841.50 629.50 466.00 142.50 60.00 57.50 204.50 466.00 747.00 1243.50 6858.50
1927 978.00 826.00 916.00 644.00 432.50 209.50 14.00 78.50 263.50 544.00 704.00 1239.50 6849.50
1928 1146.00 1005.00 780.50 671.50 393.50 181.00 16.50 68.00 159.00 525.00 879.50 1209.50 7035.00
1929 1179.50 1135.00 914.50 724.00 423.50 205.00 14.50 41.50 191.00 540.50 842.00 913.50 7124.50
1930 1249.50 842.00 916.50 524.50 608.50 132.00 49.50 66.50 277.00 624.00 925.00 1139.00 7354.00
1931 1130.50 873.00 820.00 568.50 406.50 166.50 2.50 52.00 196.00 534.50 978.50 1307.00 7035.50
1932 1401.50 1009.50 870.00 656.00 480.50 228.50 23.00 45.50 213.00 564.00 738.50 1337.00 7567.00
1933 1301.00 1248.00 848.50 781.50 587.50 136.50 10.00 45.00 104.50 436.50 792.50 932.00 7223.50
1934 1020.00 772.50 623.50 536.00 292.50 281.00 9.00 35.50 243.00 455.50 785.00 1007.00 6060.50
1935 1145.00 888.00 995.50 651.00 552.50 112.00 46.50 41.00 200.00 548.00 907.50 1049.00 7136.00
1936 1073.50 981.50 865.00 554.00 364.00 120.00 36.00 23.50 276.00 543.50 818.50 1038.50 6694.00
1937 1622.00 1048.00 953.00 652.00 356.00 185.50 30.00 10.50 134.50 467.00 742.50 938.00 7139.00
1938 954.00 969.00 918.00 634.50 440.50 171.00 47.50 73.00 159.50 557.50 946.00 1020.50 6891.00
1939 1157.50 1274.00 857.00 564.50 388.50 165.50 25.50 11.50 205.00 577.50 749.50 867.50 6843.50
1940 1028.00 938.00 0.00 z 610.50 332.50 87.00 25.00 38.00 221.00 511.50 861.50 970.50 5623.50
1941 0.00 z 0.00 z 850.00 799.50 0.00 z 251.00 45.00 73.50 308.50 666.00 775.50 1067.43 a 4836.43
1942 1099.50 1044.08 b 944.50 662.50 478.00 172.50 12.50 42.00 203.00 500.00 696.00 898.00 6752.58
1943 1050.50 877.00 763.50 519.60 e 364.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3575.10
1944 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
1945 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
1946 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
1947 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
1948 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
1949 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
1950 676.00 l 845.50 846.50 563.00 509.50 224.00 50.50 99.00 313.00 401.00 723.50 907.00 5482.50
1951 1126.00 952.50 943.00 685.50 449.00 254.50 5.00 96.00 213.00 571.50 927.50 1188.50 7412.00
1952 1215.00 1074.00 1129.50 657.50 395.50 215.00 69.00 45.00 206.00 432.00 1029.00 1199.50 7667.00
1953 928.50 964.50 896.00 692.00 622.50 190.50 25.00 90.00 219.50 623.50 810.50 1139.00 7201.50
1954 1131.50 851.50 1014.50 561.50 372.50 222.50 14.00 117.50 217.00 512.50 763.50 1102.00 6880.50
1955 1328.00 1190.50 933.00 750.50 524.50 277.00 110.00 28.50 225.00 487.00 862.50 966.00 7682.50
1956 986.00 1122.50 872.50 732.00 414.00 130.00 55.00 138.00 111.00 601.00 935.00 1078.00 7175.00
1957 1098.00 778.50 850.50 743.00 591.50 160.50 50.50 77.50 231.50 610.00 968.50 927.00 7087.00
1958 1069.00 866.00 1062.50 725.00 345.00 142.00 33.50 12.50 241.50 515.50 900.00 884.00 6796.50
1959 1041.50 1058.00 858.00 580.00 473.50 102.50 7.00 72.00 260.00 537.00 827.50 1042.00 6859.00
1960 1313.00 1137.50 794.00 640.50 448.50 92.00 9.50 58.00 162.00 619.00 847.00 1126.50 7247.50
1961 1080.50 875.50 933.50 628.50 504.00 120.00 23.00 55.00 337.00 637.00 925.00 1209.50 7328.50
1962 1174.50 972.00 1142.50 524.50 526.00 218.50 33.50 43.50 191.50 543.50 756.00 1037.00 7163.00
1963 1228.00 794.00 947.00 764.00 380.50 261.50 0.00 53.00 175.00 474.00 812.00 1077.00 6966.00
1964 1232.00 1114.50 1069.50 760.50 483.50 229.00 11.00 78.50 250.00 424.50 1010.00 1077.00 7740.00
1965 1042.00 989.00 993.00 774.00 568.00 361.50 26.00 74.00 335.50 474.50 761.00 1079.00 7477.50
1966 1288.00 1117.50 863.00 609.00 351.50 177.50 15.00 36.50 192.00 562.50 765.00 1094.00 7071.50
1967 1115.50 830.50 805.00 822.00 506.50 272.50 11.50 37.00 213.50 467.50 740.50 1299.00 7121.00
1968 1225.00 847.00 869.50 741.00 461.00 178.00 42.00 172.00 274.00 560.50 879.50 1241.50 7491.00
1969 1030.50 1109.50 1170.00 700.50 390.00 215.50 23.00 41.00 205.50 762.00 934.00 984.50 7566.00
1970 1059.00 781.50 970.50 827.50 385.00 178.50 7.50 18.50 318.50 655.00 767.00 1132.00 7100.50
1971 1105.50 951.00 868.50 692.00 566.50 216.00 27.50 45.00 359.50 817.50 944.50 1318.50 7912.00
1972 1134.00 964.00 775.00 757.50 578.50 226.50 25.00 84.50 250.00 592.50 1062.00 1336.00 7785.50
1973 1306.50 1015.50 1184.50 810.50 379.50 168.00 44.50 50.00 220.50 466.00 837.50 993.00 7476.00
1974 1154.00 967.50 762.00 655.00 316.50 71.50 21.00 38.50 202.50 529.50 848.50 1183.50 6750.00
1975 1156.50 1049.50 986.00 864.50 542.50 237.50 27.00 70.50 215.00 575.50 831.00 1110.50 7666.00
1976 1066.50 868.50 919.50 708.50 379.00 198.00 19.50 78.00 238.00 560.00 765.50 1035.00 6836.00
1977 1186.00 863.50 976.50 609.50 547.00 110.00 10.00 20.50 163.00 440.50 722.00 850.00 6498.50
1978 1040.00 961.50 765.50 684.50 486.50 132.00 33.50 77.00 234.50 471.50 913.50 1261.50 7061.50
1979 1316.00 1095.50 1014.00 729.00 531.00 225.50 70.50 163.50 190.50 534.00 1015.50 1050.00 7935.00
1980 1064.00 935.50 1014.00 693.00 602.50 164.00 6.50 47.00 160.50 498.50 709.50 780.00 6675.00
1981 894.00 803.50 881.00 494.00 402.50 53.50 1.50 40.50 190.00 567.50 697.00 888.00 5913.00
1982 1148.00 980.00 920.50 645.50 470.00 238.00 70.50 25.00 226.50 651.00 895.00 1144.00 7414.00
1983 1053.00 916.50 893.50 842.00 470.50 232.00 27.50 67.00 139.50 510.00 845.50 962.00 6959.00
1984 1034.50 935.00 827.50 729.00 256.00 207.50 24.50 57.00 174.00 702.00 891.00 1117.50 6955.50
1985 1162.50 1011.00 916.00 564.00 418.50 106.00 27.50 35.00 358.50 538.50 936.50 1011.50 7085.50
1986 869.00 864.50 785.50 626.50 402.00 125.50 63.50 31.50 361.00 667.00 823.00 1077.50 6696.50
1987 1160.00 950.00 1000.00 574.00 444.00 120.00 88.50 92.50 254.50 453.00 866.50 1176.00 7179.00
1988 1112.50 892.50 857.50 631.50 440.50 128.50 12.50 46.00 273.00 389.00 843.50 1150.50 6777.50
1989 1204.00 916.00 720.50 438.00 337.00 145.00 9.00 70.00 191.00 543.50 799.00 1036.00 6409.00
1990 1130.50 1000.50 828.50 568.00 456.00 91.00 12.00 98.50 173.00 501.50 822.00 1239.50 6921.00
1991 1069.50 780.00 1016.50 658.00 484.00 232.50 9.00 14.00 165.50 443.00 842.50 1078.00 6792.50
1992 1168.50 863.50 836.00 479.50 363.50 185.00 40.00 83.50 170.50 452.50 938.00 1199.50 6780.00
1993 1019.50 909.50 771.00 557.50 345.50 162.00 30.50 49.00 213.50 546.50 900.00 1082.50 6587.00
1994 999.00 984.50 757.50 620.00 415.00 9.00 z 39.00 13.00 208.00 645.50 984.00 1021.00 6686.50
1995 1135.00 778.00 830.00 739.00 582.05 b 298.50 64.00 13.50 198.75 b 538.00 680.00 1026.00 6882.80
1996 1041.50 813.50 843.50 605.00 310.00 d 112.00 3.00 38.00 297.50 629.50 689.00 g 977.00 5670.50
1997 1148.50 992.00 804.00 735.50 337.50 238.50 65.00 51.00 169.50 620.00 820.50 1190.00 7172.00
1998 1042.50 1059.50 971.50 835.00 565.00 305.50 17.50 30.00 232.50 633.00 839.50 1052.50 7584.00
1999 966.00 836.00 806.00 825.00 484.50 225.00 52.00 92.00 267.50 537.00 736.00 1108.00 6935.00
2000 994.50 852.00 919.00 554.00 299.50 101.50 29.00 53.00 153.50 584.50 1028.00 941.50 6510.00
2001 1173.00 990.00 808.00 647.50 301.00 111.50 29.50 45.50 155.00 459.50 787.50 1179.50 6687.50
2002 1053.50 868.50 902.50 527.50 404.50 76.00 2.00 41.50 211.50 604.50 800.50 1140.00 6632.50
2003 863.50 894.50 863.50 734.50 349.00 137.00 0.00 35.00 178.00 409.50 879.00 1081.00 6424.50
2004 1121.50 1097.50 690.00 669.50 385.50 149.00 48.00 94.00 273.50 636.00 910.50 1041.50 7116.50
2005 1037.00 895.00 882.50 666.00 388.50 221.00 19.50 70.00 232.00 545.00 788.00 1021.50 6766.00
2006 1068.00 861.50 998.00 620.50 329.50 63.50 16.00 72.00 319.00 629.50 796.50 1087.50 6861.50
2007 1227.50 909.00 745.00 613.00 368.00 91.00 4.50 11.00 221.50 537.50 703.00 1208.00 6639.00
2008 1259.00 990.00 832.00 628.50 511.50 119.50 4.50 10.50 196.50 517.00 704.00 1067.50 6840.50
2009 1022.50 932.00 807.50 674.50 281.00 232.00 2.50 56.50 182.00 622.50 767.50 1257.00 6837.50
2010 1134.00 982.50 924.50 706.50 516.50 156.50 13.00 46.00 147.50 502.50 913.00 945.00 6987.50
2011 1118.30 d 1042.50 791.50 636.00 528.00 196.50 28.00 1.00 190.00 541.00 864.50 1202.00 7139.30
2012 952.00 960.00 855.00 578.00 361.00 76.00 18.50 19.00 183.00 476.00 747.41 a 1125.50 6351.41
2013 1257.50 1024.00 763.00 21.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 44.50 z 3044.50
Period of Record Statistics
MEAN 1125.33 949.76 888.61 653.29 430.13 173.73 27.88 55.38 220.11 544.59 835.87 1082.54 7021.85
S.D. 121.76 111.30 104.17 97.39 93.79 66.05 23.43 36.85 59.25 79.81 95.23 123.04 398.62
SKEW 0.72 0.56 0.56 -0.08 -0.02 0.24 1.32 1.50 0.43 0.57 0.17 -0.04 0.07
MAX 1622.00 1274.00 1184.50 864.50 622.50 361.50 110.00 209.50 361.00 817.50 1062.00 1337.00 7935.00
MIN 863.50 772.50 623.50 390.00 148.50 41.50 0.00 1.00 65.50 389.00 619.50 780.00 5913.00
NO YRS 86 88 88 88 86 87 88 88 86 86 86 88 77