LEES FERRY, ARIZONA

Monthly Total Heating Degree Days

(024849)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 201201
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
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 u 80.50 506.00 746.00 1332.50
1922 988.00 681.50 495.00 321.21 a 48.00 0.00 0.00 0.00 0.00 146.00 557.50 692.00 3929.21
1923 775.50 652.00 492.00 153.00 18.50 2.50 0.00 0.00 31.50 208.50 509.00 832.50 3675.00
1924 987.50 561.50 494.00 168.50 7.00 0.00 0.00 0.00 14.50 185.50 569.00 1053.00 4040.50
1925 1224.50 582.00 394.00 124.04 d 0.00 8.50 0.00 d 0.00 e 0.00 c 46.00 q 0.00 z 819.95 a 3152.99
1926 928.50 571.93 a 400.42 a 170.00 24.00 0.00 0.00 0.00 0.50 93.00 455.36 b 870.50 3514.20
1927 844.50 530.00 448.97 b 158.50 24.00 2.50 0.00 0.00 2.50 47.00 o 394.50 836.00 3241.47
1928 786.00 566.00 277.50 198.50 2.00 0.00 0.00 0.00 0.00 107.50 480.00 924.00 3341.50
1929 861.00 701.50 461.00 269.00 37.50 0.00 0.00 0.00 0.00 120.50 606.00 779.00 3835.50
1930 971.50 539.50 397.00 54.50 93.00 1.50 0.00 0.00 4.00 174.50 691.00 1061.50 3988.00
1931 1054.50 529.00 417.50 78.00 9.00 0.00 0.00 0.00 0.50 84.50 586.50 1021.00 3780.50
1932 1033.00 631.00 391.00 134.50 31.00 9.00 0.00 0.00 2.50 164.00 492.00 1001.00 3889.00
1933 1111.50 862.50 400.00 233.50 113.50 0.00 0.00 0.00 0.00 27.00 517.00 792.00 4057.00
1934 772.50 453.50 179.50 70.50 14.50 4.50 0.00 0.00 16.00 105.00 417.50 808.50 2842.00
1935 828.98 b 552.00 466.50 123.00 69.50 0.00 0.00 0.00 4.50 135.00 592.00 869.50 3640.98
1936 827.18 a 560.50 341.00 137.00 12.00 0.00 0.00 0.00 b 20.50 136.50 591.00 785.00 3410.68
1937 1222.00 714.00 429.00 160.50 7.50 0.00 0.00 f 0.00 x 0.50 q 36.00 k 306.50 j 402.00 m 2533.00
1938 534.00 j 339.50 k 162.00 s 137.78 c 82.00 f 0.00 m 0.00 q 0.00 e 0.00 243.50 862.50 900.50 2144.28
1939 942.50 903.00 489.00 124.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2458.50
1940 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
1941 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
1942 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
1943 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 j 0.00 a 0.00 b 0.00 c 92.43 d 506.67 c 713.00 b 1312.09
1944 870.21 c 621.27 c 428.12 b 208.85 d 25.00 0.00 0.00 c 0.00 b 0.00 c 10.50 z 268.00 k 552.50 j 2153.45
1945 787.83 b 492.00 472.48 b 199.82 b 8.02 b 0.52 a 0.00 d 0.00 b 5.56 c 79.16 c 497.88 d 881.84 c 3425.11
1946 861.69 d 592.48 c 323.84 c 65.17 a 4.00 0.00 d 0.00 b 0.00 0.00 f 180.12 b 529.00 716.50 3272.80
1947 866.45 a 448.56 c 226.41 c 103.50 12.18 c 4.04 d 0.00 b 0.00 h 0.00 d 84.22 a 545.00 796.00 3086.35
1948 848.50 648.50 543.57 b 107.14 b 6.00 0.00 a 0.00 0.00 a 0.00 a 81.50 582.00 796.18 a 3613.40
1949 1038.00 818.00 372.00 77.00 9.50 1.50 0.00 0.00 0.00 a 185.00 441.50 833.00 3775.50
1950 873.00 498.00 290.50 51.50 35.50 0.00 0.00 0.00 0.00 6.00 381.50 663.40 a 2799.40
1951 826.00 575.50 403.50 88.50 52.81 d 0.00 0.00 0.00 0.00 96.62 a 526.00 827.18 a 3396.11
1952 855.50 629.00 476.00 93.00 6.50 0.00 0.00 0.00 0.00 27.00 551.50 806.00 3444.50
1953 667.00 550.00 328.50 155.50 54.77 a 0.00 0.00 a 0.00 0.00 e 133.19 d 326.00 h 842.34 b 2731.30
1954 800.50 427.78 a 419.02 a 21.00 e 12.18 c 0.00 b 0.00 0.00 a 0.00 b 92.43 d 414.81 d 874.64 c 3062.35
1955 857.67 d 743.17 d 378.09 c 118.80 e 25.12 b 3.21 b 0.00 d 0.00 d 0.00 c 48.05 a 443.40 e 668.10 b 3285.61
1956 649.93 b 630.75 a 329.78 b 98.79 a 10.52 c 0.00 a 0.00 a 0.00 d 0.00 c 122.89 c 670.71 b 876.55 b 3389.93
1957 763.52 d 433.50 257.76 d 135.56 c 62.00 a 0.00 0.00 c 0.00 b 0.00 b 115.14 c 470.00 f 740.42 e 2507.90
1958 806.00 b 445.31 b 460.72 b 135.52 a 3.10 a 0.00 d 0.00 d 0.00 b 3.21 b 90.50 f 499.29 b 588.00 g 2353.15
1959 779.65 a 549.92 c 304.46 c 82.22 c 8.78 a 0.00 c 0.00 b 0.00 e 2.59 a 88.41 d 404.50 f 739.83 e 2555.86
1960 927.02 e 619.36 a 260.18 c 122.78 c 5.34 b 0.00 b 0.00 e 0.00 e 0.00 e 126.14 b 377.00 g 896.23 c 2957.05
1961 713.00 g 475.46 b 368.79 b 121.61 b 14.97 b 0.00 b 0.00 k 0.00 a 0.54 b 123.00 f 210.00 p 823.50 f 981.36
1962 846.19 d 544.96 a 499.74 b 33.10 a 26.35 a 0.00 h 0.00 j 0.00 z 0.00 d 35.77 e 384.44 c 0.00 z 2370.56
1963 739.00 i 432.25 d 382.52 c 176.54 d 2.07 a 0.00 b 0.00 b 0.00 0.00 b 9.09 b 398.79 a 666.00 f 1401.25
1964 848.62 c 0.00 z 469.65 a 148.97 a 53.00 k 0.00 b 0.00 a 0.00 d 0.00 z 0.00 z 0.00 z 0.00 z 1467.24
1965 644.44 e 539.00 b 0.00 z 0.00 z 0.00 z 0.00 0.00 0.00 25.00 92.50 375.50 780.68 a 2457.13
1966 904.50 737.00 375.50 96.00 11.50 0.00 0.00 0.00 0.00 107.50 400.00 783.50 3415.50
1967 892.50 528.50 268.50 171.50 f 47.50 0.00 0.00 0.00 0.00 a 63.11 c 359.50 1025.00 3184.61
1968 1125.50 442.00 321.50 180.00 7.00 2.88 d 0.00 e 0.00 0.00 114.00 496.50 931.55 a 3620.93
1969 680.45 a 599.00 470.00 84.50 16.50 0.00 0.00 0.00 0.00 196.50 502.00 720.50 3269.45
1970 770.00 476.00 434.52 a 227.00 18.50 0.50 0.00 0.00 7.50 169.00 416.11 c 775.50 3294.63
1971 828.22 a 535.00 375.62 a 125.50 19.63 a 0.00 0.00 0.00 6.35 d 216.00 549.00 909.13 e 3564.45
1972 783.00 515.56 b 136.50 65.50 0.57 d 0.00 a 0.00 0.00 0.00 160.50 g 549.83 a 907.50 2958.46
1973 994.50 600.00 486.00 181.00 24.91 c 0.00 0.00 0.00 1.07 b 87.50 439.66 a 731.50 3546.14
1974 889.70 a 671.44 c 208.50 129.11 b 4.65 a 0.00 0.00 0.00 c 1.50 76.98 a 409.00 g 805.00 2786.88
1975 850.50 611.00 432.50 268.50 55.00 5.50 0.00 a 0.00 0.00 159.00 539.50 0.00 z 2921.50
1976 871.50 469.50 393.00 144.00 6.50 0.00 0.00 0.00 0.00 127.00 476.11 c 901.87 d 3389.48
1977 871.50 554.00 452.50 87.32 b 40.82 a 0.00 b 0.00 0.00 0.00 51.00 398.28 a 325.50 l 2455.41
1978 548.50 f 505.12 c 233.50 h 103.33 c 34.00 0.00 0.00 0.00 15.50 66.02 d 491.00 972.50 2187.47
1979 968.75 a 744.50 433.50 130.50 13.84 c 0.00 0.00 0.00 0.00 34.50 m 599.00 852.00 3742.09
1980 723.50 558.50 483.50 171.50 51.50 0.00 0.00 0.00 0.00 188.07 a 503.50 0.00 z 2680.07
1981 0.00 z 553.30 e 383.07 c 59.50 13.95 a 0.00 0.00 0.00 a 0.00 140.00 437.00 694.83 b 2281.65
1982 806.00 622.50 335.50 139.50 6.00 0.00 0.00 0.00 0.50 216.00 518.00 769.00 3413.00
1983 762.00 482.00 315.50 234.50 52.24 d 0.00 0.00 0.00 3.50 44.50 363.00 686.00 2943.24
1984 784.50 0.00 z 536.00 240.50 18.50 0.00 0.00 0.00 0.00 195.00 397.00 737.00 2908.50
1985 821.00 611.50 369.50 43.50 41.00 0.00 0.00 0.00 13.50 114.50 509.00 765.00 3288.50
1986 663.00 360.50 183.00 65.00 25.00 0.00 0.00 0.00 35.50 176.50 426.50 729.00 2664.00
1987 802.00 588.00 390.50 69.00 2.50 0.00 0.00 p 0.00 o 0.00 k 54.00 484.50 821.00 3211.50
1988 818.00 525.00 398.50 108.00 44.50 p 0.00 0.00 0.00 1.00 9.00 438.00 815.50 3113.00
1989 424.50 p 597.50 189.00 36.50 22.00 0.00 0.00 0.00 0.00 105.50 i 460.50 773.00 2078.50
1990 771.90 a 328.00 m 203.50 i 43.00 l 0.00 a 0.00 e 0.00 g 0.00 0.00 100.00 526.50 649.50 j 1398.40
1991 918.00 560.50 498.00 150.00 0.00 z 0.00 z 0.00 0.00 0.00 z 98.00 542.00 866.50 3633.00
1992 926.50 552.00 324.50 45.50 5.00 0.00 0.00 0.00 0.00 47.50 575.00 988.38 a 3464.38
1993 787.50 562.50 339.50 121.00 30.50 4.00 0.00 0.00 0.00 175.00 587.00 864.50 3471.50
1994 829.50 681.00 269.50 137.00 9.00 0.00 0.00 0.00 0.00 138.00 596.50 789.00 3449.50
1995 748.50 407.00 0.00 z 0.00 z 17.50 o 0.00 s 0.00 d 0.00 g 3.00 e 69.75 e 346.50 697.50 b 2272.25
1996 723.33 a 503.50 334.50 71.50 f 18.17 b 0.00 0.00 0.00 13.50 231.00 507.00 695.50 3026.51
1997 739.00 572.50 274.41 d 211.00 j 7.20 c 0.00 a 0.00 0.00 g 0.00 a 195.50 447.00 821.50 3057.10
1998 738.00 566.46 b 368.00 210.50 12.06 d 0.00 0.00 0.00 0.50 164.50 495.00 a 765.04 c 3320.05
1999 660.00 500.00 237.67 a 256.55 a 20.67 a 0.00 0.00 a 0.00 5.69 a 113.31 b 434.50 804.34 c 3032.72
2000 671.00 500.25 a 390.00 68.89 c 8.78 a 0.00 0.00 a 0.00 8.00 137.00 630.50 739.00 3153.42
2001 821.50 571.50 301.50 131.90 a 28.50 0.00 0.00 0.00 0.00 41.50 372.00 837.50 3105.90
2002 791.00 619.00 432.00 26.50 5.00 0.00 0.00 0.00 5.00 148.00 505.50 773.00 3305.00
2003 649.50 538.50 325.00 148.50 16.50 0.00 0.00 0.00 0.00 22.50 489.00 721.50 2911.00
2004 665.00 f 685.50 132.00 g 89.00 6.50 0.00 0.00 0.00 3.50 130.00 500.50 582.50 h 1415.00
2005 616.38 a 553.50 399.00 185.50 3.00 w 0.00 p 0.00 k 0.00 p 0.00 n 74.50 288.50 j 26.50 z 1828.88
2006 579.00 g 568.50 445.50 113.00 0.00 0.00 0.00 0.00 21.00 193.00 453.50 813.00 2607.50
2007 892.50 498.50 289.50 113.50 36.50 0.00 0.00 0.00 0.00 129.00 398.50 844.50 3202.50
2008 868.50 568.00 338.50 153.50 40.50 0.00 0.00 0.00 0.00 111.00 389.00 555.00 i 2469.00
2009 167.50 x 0.00 z 124.50 v 176.50 0.00 a 0.00 0.00 0.00 0.00 194.00 475.00 642.00 h 845.50
2010 866.50 575.50 424.00 152.00 76.50 0.00 0.00 0.00 0.00 27.00 j 514.00 645.00 3253.50
2011 832.00 649.50 327.00 171.50 56.00 0.00 0.00 0.00 0.00 124.00 496.00 831.00 3487.00
2012 583.00 g 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
Period of Record Statistics
MEAN 844.66 573.18 375.43 132.52 23.16 0.63 0.00 0.00 3.50 117.31 494.85 817.31 3419.28
S.D. 123.20 97.18 89.80 61.47 22.55 1.74 0.00 0.00 7.28 57.56 86.93 94.34 328.75
SKEW 0.82 0.87 -0.47 0.56 1.62 3.24 0.00 0.00 2.64 0.08 1.04 0.63 -0.09
MAX 1224.50 903.00 543.57 321.21 113.50 9.00 0.00 0.00 35.50 243.50 862.50 1061.50 4057.00
MIN 616.38 360.50 136.50 21.00 0.00 0.00 0.00 0.00 0.00 6.00 346.50 645.00 2664.00
NO YRS 77 81 79 80 78 80 79 79 80 76 76 72 44