CLIFTON, ARIZONA

Monthly Total Cooling Degree Days

(021849)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 201211
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 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
1894 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
1895 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
1896 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
1897 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
1898 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
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1907 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
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 0.50 0.00 0.50
1909 0.00 0.00 0.00 67.00 197.50 599.00 676.00 559.50 371.50 98.00 4.50 0.00 2573.00
1910 0.00 0.00 116.00 94.00 334.00 598.00 734.50 692.00 565.00 174.50 9.00 0.00 3317.00
1911 0.00 0.00 21.50 57.50 320.00 531.00 524.00 656.00 488.00 140.50 0.00 0.00 2738.50
1912 0.00 0.00 1.00 26.50 270.00 544.50 561.00 542.50 402.00 68.50 0.00 0.00 2416.00
1913 0.00 0.00 1.50 58.00 288.00 441.50 602.50 562.00 377.00 137.50 1.00 0.00 2469.00
1914 0.00 0.00 13.50 122.50 304.00 544.00 521.50 592.00 442.50 99.50 2.00 0.00 2641.50
1915 0.00 0.00 0.00 44.50 186.00 491.00 555.50 534.50 356.00 0.00 z 10.50 0.00 2178.00
1916 0.00 0.00 44.00 96.50 237.00 545.50 593.50 530.50 388.00 90.50 8.50 0.00 2534.00
1917 0.00 0.00 0.00 50.19 d 127.88 c 564.50 667.50 583.50 463.00 184.50 0.50 0.00 2641.57
1918 0.00 3.00 17.50 46.50 273.00 628.50 654.50 569.50 474.00 223.00 13.00 0.00 2902.50
1919 0.00 0.00 0.00 183.50 406.50 591.50 605.50 719.50 379.50 56.50 0.00 0.00 2942.50
1920 0.00 0.00 0.50 8.00 297.50 453.50 671.50 519.00 387.50 116.50 0.00 0.00 2454.00
1921 0.00 0.00 31.00 55.50 218.00 540.00 589.50 529.00 456.50 239.00 2.00 0.00 2660.50
1922 0.00 0.00 2.50 55.50 339.50 691.00 748.00 692.50 503.50 198.50 0.00 0.00 3231.00
1923 0.00 0.00 0.00 49.00 317.00 516.00 656.50 493.50 344.00 108.50 0.00 0.00 2484.50
1924 0.00 0.00 0.00 34.50 323.50 705.00 666.50 668.00 486.00 129.50 14.50 0.00 3027.50
1925 0.00 0.00 40.50 153.00 353.50 515.00 661.50 536.50 363.00 123.00 0.50 0.00 2746.50
1926 0.00 0.00 0.00 40.50 218.00 577.50 595.50 602.00 440.00 129.00 0.00 0.00 2602.50
1927 0.00 0.00 0.00 96.00 333.00 516.50 670.00 556.00 368.50 114.00 3.50 0.00 2657.50
1928 0.00 0.00 3.00 55.50 304.50 531.00 663.50 534.00 422.00 162.50 0.00 0.00 2676.00
1929 0.00 0.00 0.00 37.00 259.00 605.00 602.50 521.50 383.00 194.00 0.00 0.00 2602.00
1930 0.00 1.00 0.50 157.00 216.50 593.00 577.00 569.50 352.00 92.50 1.00 0.00 2560.00
1931 0.00 0.00 5.50 45.50 304.00 571.00 694.50 522.00 432.50 153.00 9.00 0.00 2737.00
1932 0.00 0.00 0.00 83.50 283.50 516.50 594.50 593.50 406.00 99.00 0.00 0.00 2576.50
1933 0.00 0.00 2.00 11.50 156.50 454.50 652.50 617.50 480.00 129.50 5.50 0.00 2509.50
1934 0.00 1.50 64.00 228.00 510.50 602.50 762.50 685.00 498.50 287.00 69.00 0.00 3708.50
1935 0.00 0.50 8.00 86.00 220.00 0.00 z 0.00 z 593.50 418.50 220.00 1.00 0.00 1547.50
1936 0.00 0.00 12.50 179.50 491.50 752.50 455.46 e 717.50 470.00 194.00 0.00 0.00 3272.96
1937 0.00 0.00 8.50 141.00 409.00 586.50 759.50 763.00 570.00 251.50 41.00 0.00 3530.00
1938 0.00 0.00 9.50 136.50 341.00 604.00 667.50 676.00 489.00 272.50 2.00 0.00 3198.00
1939 0.00 0.00 39.00 160.00 416.50 631.55 a 577.50 h 687.50 540.00 164.50 10.00 0.00 2649.05
1940 0.00 0.00 39.00 94.50 392.50 597.00 743.00 668.50 470.50 209.50 2.50 0.00 3217.00
1941 0.00 0.00 j 0.00 23.00 290.00 521.50 672.00 601.00 466.00 126.50 0.00 0.00 2700.00
1942 0.00 0.00 11.50 91.50 307.50 559.50 736.00 616.00 457.50 160.00 16.80 e 0.00 g 2956.30
1943 0.00 1.00 15.00 152.00 105.92 a 242.50 475.50 451.00 318.00 124.00 31.00 0.00 1915.92
1944 0.00 0.00 2.00 10.50 202.50 601.50 710.00 696.00 418.00 18.50 u 3.00 0.00 a 2643.50
1945 0.00 0.00 0.00 85.00 284.00 472.50 712.50 639.50 0.00 z 0.00 z 0.00 z 0.00 2193.50
1946 0.00 0.00 12.00 193.00 248.50 635.00 668.00 613.50 491.00 82.50 0.00 0.00 2943.50
1947 0.00 0.00 10.50 47.50 376.00 506.50 715.50 588.50 547.00 196.00 9.50 0.00 2997.00
1948 0.00 0.00 9.50 0.00 z 0.00 z 615.00 721.00 675.00 463.20 e 202.00 0.00 0.00 2685.70
1949 0.00 0.00 0.00 135.00 314.00 532.50 660.50 626.00 504.00 128.50 0.50 0.00 2901.00
1950 0.00 0.00 5.50 113.50 202.00 528.00 543.00 561.00 390.00 315.00 9.00 0.00 2667.00
1951 0.00 0.00 0.00 34.00 299.50 471.00 748.00 633.50 498.50 213.00 0.00 0.00 2897.50
1952 0.00 0.00 0.00 36.50 302.00 571.00 632.00 626.50 483.50 227.50 3.50 0.00 2882.50
1953 0.00 0.00 20.00 26.50 151.50 567.50 723.00 653.00 522.00 150.00 0.50 0.00 2814.00
1954 0.00 0.00 1.00 165.00 329.50 533.00 699.00 562.50 502.00 248.50 5.00 0.00 3045.50
1955 0.00 0.00 0.00 18.50 185.50 507.00 592.00 596.50 478.00 285.00 0.00 0.00 2662.50
1956 0.00 z 0.00 z 0.00 z 51.50 402.00 661.50 673.50 610.50 562.50 239.00 0.00 0.00 3200.50
1957 0.00 21.50 1.50 38.50 148.50 518.50 654.00 542.00 411.00 99.95 b 0.00 0.00 2435.45
1958 0.00 0.00 0.00 67.50 414.00 619.00 673.50 660.50 410.00 158.50 0.00 0.00 3003.00
1959 0.00 0.00 2.50 133.00 296.00 641.00 675.00 562.50 456.00 178.50 0.00 0.00 2944.50
1960 0.00 0.00 12.00 87.00 273.00 566.50 672.50 656.00 540.00 139.50 1.50 0.00 2948.00
1961 0.00 0.00 0.00 85.00 275.50 562.50 666.50 597.00 350.50 126.50 0.00 0.00 2663.50
1962 0.00 0.00 0.00 141.50 226.00 480.50 595.50 682.50 457.00 145.50 2.00 0.00 2730.50
1963 0.00 0.50 13.50 39.00 353.50 465.50 669.50 459.00 421.00 190.00 0.00 0.00 2611.50
1964 0.00 0.00 1.50 24.00 255.50 506.00 686.00 593.50 386.00 171.00 0.00 0.00 2623.50
1965 0.00 0.00 2.00 86.00 185.00 380.00 647.50 618.50 369.00 154.50 5.00 0.00 2447.50
1966 0.00 0.00 3.00 37.00 234.00 438.00 701.00 521.50 316.50 42.50 0.00 0.00 2293.50
1967 0.00 0.00 18.50 42.00 225.00 462.00 658.00 540.00 400.00 155.50 0.00 0.00 2501.00
1968 0.00 0.50 13.50 26.50 226.50 534.00 536.00 477.50 378.00 140.50 0.50 0.00 2333.50
1969 0.00 0.00 3.00 65.50 306.50 514.00 649.50 687.50 438.50 102.50 0.00 0.00 2767.00
1970 0.00 0.00 0.00 4.00 283.00 536.50 685.50 616.00 406.50 18.50 0.00 0.00 2550.00
1971 0.00 0.00 33.50 52.50 199.00 516.00 714.50 552.50 419.50 89.50 3.00 0.00 2580.00
1972 0.00 0.00 109.00 107.50 n 233.50 480.50 674.50 532.00 339.50 161.41 b 0.00 0.00 2530.41
1973 0.00 a 0.00 0.00 10.50 253.00 446.50 628.02 b 581.85 e 382.50 127.00 0.00 0.00 2429.36
1974 0.00 0.00 9.50 41.50 261.50 592.00 523.50 457.50 308.50 115.50 0.00 0.00 2309.50
1975 0.00 0.00 0.00 7.50 103.00 428.50 545.50 587.00 322.50 127.00 3.50 0.00 2124.50
1976 0.00 0.00 0.00 53.50 230.00 490.00 538.50 551.50 332.00 46.00 0.00 0.00 2241.50
1977 0.00 0.00 0.00 67.00 136.50 497.00 613.00 600.00 368.50 132.00 6.00 0.00 2420.00
1978 0.00 0.00 3.00 43.00 205.00 523.45 a 661.50 498.50 323.00 168.00 2.00 0.00 2427.45
1979 0.00 0.00 0.00 50.50 0.00 z 0.00 z 244.00 s 221.50 r 0.00 z 0.00 z 0.00 z 0.00 z 50.50
1980 0.00 j 0.00 0.00 1.50 x 106.50 m 604.50 153.50 x 0.00 z 0.00 z 143.00 2.00 0.00 749.50
1981 0.00 a 0.00 0.00 102.50 236.00 562.24 a 618.00 572.50 416.00 85.00 2.00 0.00 2594.24
1982 0.00 0.00 0.00 33.50 196.00 445.00 595.50 589.50 416.50 81.50 0.00 0.00 2357.50
1983 0.00 0.00 0.00 8.00 209.50 425.00 598.00 554.00 466.50 0.00 z 0.00 i 0.00 2261.00
1984 0.00 0.00 0.50 47.00 369.50 513.00 613.50 510.50 430.50 47.50 0.50 0.00 2532.50
1985 0.00 w 0.00 11.50 71.00 243.50 561.50 663.00 608.50 304.00 75.95 a 0.00 0.00 2538.95
1986 0.00 2.00 41.85 a 74.50 270.50 506.50 508.00 624.00 345.00 78.50 0.00 0.00 2450.85
1987 0.00 0.00 0.00 j 92.50 172.50 468.00 550.50 521.50 348.00 172.00 3.50 0.00 2328.50
1988 0.00 0.00 9.50 42.22 c 240.50 470.00 599.00 485.50 282.50 144.00 2.50 0.00 2275.72
1989 0.00 1.00 15.00 139.00 252.50 459.00 603.00 538.00 391.00 97.50 0.00 0.00 2496.00
1990 0.00 0.00 0.50 52.50 32.00 p 575.50 578.50 484.00 419.00 90.50 6.00 0.00 2206.50
1991 0.00 0.00 1.00 24.50 220.00 440.00 612.50 581.00 338.50 206.00 0.00 0.00 2423.50
1992 0.00 0.00 0.00 127.50 198.50 434.00 603.00 532.00 398.00 107.50 0.00 0.00 2400.50
1993 0.00 c 0.00 5.00 63.50 302.00 515.00 639.50 549.50 387.00 104.50 0.00 0.00 2566.00
1994 0.00 0.00 3.00 88.00 262.00 678.00 698.50 677.00 442.00 78.00 0.00 0.00 2926.50
1995 0.00 0.00 0.00 33.00 188.00 464.00 637.00 674.00 442.00 139.50 0.00 0.00 2577.50
1996 0.00 0.00 0.00 103.50 380.00 623.00 714.00 595.00 320.00 193.50 0.00 0.00 z 2929.00
1997 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
1998 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 0.00 0.00
1999 0.00 a 0.00 a 4.43 c 59.44 c 271.00 495.50 527.55 c 535.61 d 430.00 189.00 37.00 0.00 i 2549.54
2000 0.00 z 0.00 l 8.00 k 134.00 f 436.50 575.50 683.55 a 611.50 519.50 136.92 a 0.00 0.00 2963.47
2001 0.00 0.00 8.00 64.29 b 376.00 585.00 a 393.50 k 437.00 417.50 193.00 23.79 a 0.00 2104.58
2002 0.00 0.00 20.50 204.00 325.50 708.50 637.00 627.00 461.50 97.50 1.50 0.00 3083.00
2003 0.00 0.00 8.00 69.50 319.50 575.50 815.50 716.50 492.32 b 126.38 e 10.18 b 0.00 b 3133.38
2004 0.00 i 0.00 c 69.50 75.00 424.50 616.00 512.50 i 515.00 359.50 48.00 g 5.00 0.00 2064.50
2005 0.00 0.00 0.00 25.86 a 166.00 0.00 z 834.00 645.12 b 367.50 h 139.50 0.00 z 0.00 1810.48
2006 0.00 0.50 3.50 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 4.00
2007 0.00 0.00 51.00 133.00 406.10 a 726.00 579.00 g 684.38 e 494.50 190.50 24.00 0.00 2709.48
2008 0.00 a 0.00 0.00 z 101.90 a 288.30 a 699.00 637.00 581.52 b 0.00 z 0.00 z 0.00 u 0.00 2307.71
2009 0.00 4.00 34.50 121.50 453.50 531.50 620.00 f 708.00 430.50 0.00 z 0.00 z 0.00 z 2283.50
2010 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
2011 0.00 h 0.00 o 33.21 c 135.58 d 192.64 c 587.14 b 699.50 675.00 435.00 c 144.27 e 4.44 c 0.00 e 2906.79
2012 0.00 b 0.00 b 21.81 d 162.00 343.87 d 647.78 c 599.00 655.00 413.50 145.00 h 12.50 0.00 z 2855.46
2013 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
Period of Record Statistics
MEAN 0.00 0.38 11.71 77.03 278.30 544.88 642.85 592.86 423.42 147.36 4.67 0.00 2692.54
S.D. 0.00 2.24 20.75 50.67 84.91 80.77 71.21 69.75 65.76 58.58 10.10 0.00 322.84
SKEW 0.00 8.79 2.98 0.82 0.36 -0.15 -0.13 0.05 0.12 0.48 3.90 0.00 0.68
MAX 0.00 21.50 116.00 228.00 510.50 752.50 834.00 763.00 570.00 315.00 69.00 0.00 3708.50
MIN 0.00 0.00 0.00 4.00 103.00 242.50 455.46 437.00 282.50 18.50 0.00 0.00 1915.92
NO YRS 95 97 97 96 96 97 92 98 95 91 96 97 73