AJO, ARIZONA

Monthly Total Cooling Degree Days

(020080)

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
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 0.00 14.00 81.43 b 221.81 b 594.00 732.50 773.21 e 471.50 332.22 a 56.50 1.00 j 3277.17
1916 0.00 4.00 89.00 f 160.00 f 313.00 615.52 a 680.40 b 624.00 478.80 e 103.00 20.36 b 0.00 e 2839.07
1917 0.00 0.00 18.50 94.00 155.50 582.00 724.00 704.98 b 565.00 390.50 66.00 0.50 3300.98
1918 0.00 0.00 43.00 150.50 269.50 734.00 736.00 597.50 580.00 299.50 47.50 8.00 3465.50
1919 0.00 b 0.00 11.50 197.50 351.50 659.50 650.00 739.00 530.50 162.50 13.50 0.00 3315.50
1920 0.00 0.50 10.50 71.50 325.50 d 574.50 850.50 662.50 517.50 124.50 0.00 0.00 3137.50
1921 0.00 g 7.00 24.50 95.50 154.00 489.00 595.50 527.00 544.50 346.00 61.00 3.00 2847.00
1922 0.00 5.50 13.00 92.00 442.78 a 683.50 762.00 706.00 640.50 313.50 0.00 0.00 3658.78
1923 5.00 9.50 9.50 83.50 408.50 472.50 685.50 667.00 454.50 176.50 3.00 e 0.00 2975.00
1924 0.00 a 3.00 1.00 70.50 426.50 716.50 786.00 784.00 627.00 231.00 58.50 0.00 b 3704.00
1925 0.00 5.00 106.50 193.50 442.50 561.50 775.00 709.00 544.50 194.78 a 10.50 0.00 3542.78
1926 0.00 4.50 42.37 a 155.00 364.50 703.50 778.00 751.00 621.50 364.50 60.00 9.50 3854.37
1927 2.00 11.00 27.50 194.00 426.50 569.00 795.09 d 700.50 548.00 331.00 63.00 0.00 3667.59
1928 0.00 0.00 75.50 167.00 430.00 628.00 820.00 731.00 666.50 347.50 44.00 0.00 3909.50
1929 0.00 0.50 41.00 106.50 411.50 628.50 770.50 700.50 568.50 414.50 21.00 3.50 3666.50
1930 0.00 50.00 33.00 253.00 262.50 599.50 773.50 764.00 553.00 241.00 84.00 0.00 3613.50
1931 0.00 1.00 58.00 219.00 467.50 625.50 829.50 673.00 606.00 278.00 83.00 0.00 3840.50
1932 0.00 11.00 26.50 g 208.00 368.50 615.50 774.00 776.50 691.50 233.57 b 96.00 1.00 f 3774.57
1933 0.00 d 0.00 g 45.00 39.50 229.00 623.33 c 860.00 771.50 650.00 418.00 71.50 0.50 3708.33
1934 0.00 0.50 165.00 314.00 526.00 469.00 800.00 689.00 587.50 345.00 115.50 4.50 4016.00
1935 4.50 15.00 22.50 184.50 276.00 720.00 744.60 e 378.00 l 566.50 280.50 3.00 0.00 b 2817.10
1936 0.00 0.00 85.00 280.00 498.50 707.00 788.00 717.00 543.50 239.50 9.00 0.00 3867.50
1937 0.00 0.00 18.00 127.00 378.50 602.50 796.50 763.50 610.50 321.50 34.00 i 0.00 a 3618.00
1938 0.00 0.00 6.00 124.00 363.00 591.00 726.50 689.50 621.50 240.00 0.00 2.87 d 3364.37
1939 0.00 e 0.00 64.50 230.50 422.00 641.54 d 802.50 729.00 493.50 212.50 52.00 17.50 3665.54
1940 2.50 3.00 77.50 d 167.00 514.00 690.00 782.00 742.00 506.00 265.57 a 6.50 3.50 3759.57
1941 0.00 0.00 5.17 a 63.00 e 389.50 520.00 780.50 672.50 519.00 167.00 69.50 1.50 3187.67
1942 0.00 0.00 16.50 89.50 348.50 602.50 869.50 696.00 480.50 g 254.50 35.50 0.00 2912.50
1943 0.00 9.00 52.00 286.00 455.50 573.00 840.50 702.50 667.50 336.00 53.50 0.00 3975.50
1944 0.00 0.00 12.50 73.50 315.50 490.50 783.50 812.00 570.00 361.00 25.00 0.00 3443.50
1945 0.00 3.00 3.50 152.00 365.00 539.00 822.50 757.00 621.00 338.00 31.50 0.00 3632.50
1946 0.00 6.50 52.50 292.50 372.50 710.00 530.00 i 714.50 577.50 108.00 0.00 7.00 2841.00
1947 0.00 14.00 40.00 150.00 441.00 557.00 843.50 675.28 a 656.50 303.00 16.50 g 0.00 b 3680.28
1948 7.00 4.00 3.10 a 185.00 373.50 575.50 794.50 782.00 653.00 317.50 4.00 0.00 3699.10
1949 0.00 0.00 16.00 231.50 326.50 621.50 761.00 731.50 676.50 234.00 129.50 12.50 3740.50
1950 0.00 15.00 59.00 268.00 333.00 585.50 693.50 765.81 d 521.00 475.00 106.50 11.50 3833.81
1951 6.00 14.00 28.50 121.00 377.00 530.50 793.50 662.37 a 617.50 318.00 8.00 0.00 3476.37
1952 0.00 0.00 12.50 123.46 d 482.00 578.50 788.50 802.00 694.50 528.50 49.00 0.00 4058.96
1953 2.50 1.00 55.50 132.00 198.50 597.00 803.50 752.50 669.50 324.50 106.00 4.50 3647.00
1954 0.00 42.50 23.00 272.50 421.00 573.50 755.50 682.00 649.00 369.00 56.50 2.00 3846.50
1955 0.00 2.50 27.50 106.00 290.50 582.00 676.00 651.00 648.00 442.50 46.50 8.00 3480.50
1956 5.00 1.50 78.00 122.50 411.00 703.00 733.50 724.50 734.00 308.50 40.50 0.00 3862.00
1957 0.00 49.00 39.50 125.00 230.50 688.50 864.50 753.50 626.50 202.50 0.00 0.00 3579.50
1958 0.00 7.50 5.00 160.50 531.50 671.50 849.00 727.50 582.50 383.50 52.50 7.50 3978.50
1959 1.00 2.00 46.00 260.00 327.00 727.50 846.50 697.00 568.00 351.50 33.00 1.50 3861.00
1960 0.00 0.00 98.00 207.00 377.00 773.00 854.00 767.50 640.00 236.50 41.00 0.50 3994.50
1961 0.00 5.00 47.00 180.50 358.50 712.50 811.00 678.00 502.50 299.50 1.00 0.00 3595.50
1962 0.00 10.00 22.00 304.00 312.00 590.00 811.50 857.00 589.50 290.50 128.00 2.00 3916.50
1963 0.00 57.50 32.00 96.00 475.50 488.50 853.00 680.50 641.50 385.50 48.50 0.00 3758.50
1964 0.00 0.00 26.50 123.50 359.50 584.00 830.00 689.00 530.50 412.00 27.50 1.50 3584.00
1965 0.00 1.50 10.50 180.50 309.00 437.00 789.50 760.00 497.50 412.50 98.00 7.00 3503.00
1966 0.00 0.00 63.50 234.00 480.50 641.00 823.50 779.50 571.50 246.00 68.50 1.00 3909.00
1967 0.00 4.50 74.00 33.00 335.00 522.00 768.00 730.00 489.00 334.00 101.50 0.00 3391.00
1968 0.00 14.50 29.00 107.50 370.00 638.00 728.50 610.00 587.00 297.50 22.50 0.00 3404.50
1969 0.00 0.00 47.00 167.00 454.50 529.50 813.00 846.00 624.00 180.00 11.50 0.50 3673.00
1970 0.00 5.50 17.00 71.00 428.50 633.50 860.00 738.50 514.50 190.50 45.50 0.00 3504.50
1971 13.00 20.50 101.50 113.00 238.50 572.00 844.00 647.00 603.50 187.50 29.00 6.00 3375.50
1972 0.00 29.50 235.00 201.00 375.50 618.00 880.50 684.00 559.00 201.00 2.50 0.00 3786.00
1973 0.00 0.00 0.00 113.00 465.00 654.00 802.00 766.00 597.00 363.00 96.00 4.00 3860.00
1974 0.00 5.00 91.50 161.50 396.00 762.00 726.00 742.50 590.00 313.50 31.00 0.00 3819.00
1975 3.50 4.00 39.50 34.50 316.00 587.50 776.00 785.50 627.00 285.50 86.50 3.50 3549.00
1976 3.00 8.00 41.50 132.00 409.00 647.00 718.50 739.00 443.00 257.00 95.50 0.00 z 3493.50
1977 0.00 47.50 14.50 233.50 207.00 697.50 805.50 766.50 615.00 413.00 107.50 30.00 3937.50
1978 0.00 2.50 94.50 129.00 374.00 779.50 842.00 740.00 572.00 456.50 61.00 0.00 4051.00
1979 0.00 2.00 26.50 192.50 350.50 687.50 829.00 688.50 755.00 450.00 32.00 23.50 4037.00
1980 1.00 27.00 3.50 183.00 238.00 704.00 870.00 745.00 641.50 385.50 145.00 38.50 3982.00
1981 15.00 49.00 31.00 232.00 344.50 746.00 802.50 815.00 642.50 237.50 139.00 18.00 4072.00
1982 0.00 29.50 38.00 182.50 337.00 555.00 742.00 760.00 564.00 272.00 22.50 0.00 3502.50
1983 3.50 5.00 31.00 70.00 398.50 566.50 788.50 672.50 620.00 286.50 79.00 0.00 3521.00
1984 0.00 4.50 86.50 151.50 588.50 578.50 677.00 676.00 634.50 202.00 70.00 0.00 3669.00
1985 0.00 19.00 27.00 286.50 452.50 688.00 788.00 799.50 365.00 260.50 40.00 j 0.50 k 3686.00
1986 4.50 i 58.50 125.50 j 201.00 276.50 j 489.00 i 499.50 i 482.00 k 329.00 i 253.50 18.50 l 0.00 k 513.00
1987 0.50 j 9.50 18.50 j 213.50 i 227.00 k 673.89 c 464.50 k 153.50 x 423.00 i 320.00 i 19.50 k 2.00 k 683.39
1988 3.00 k 33.50 77.50 a 146.00 i 246.50 m 620.56 c 503.00 k 747.50 337.00 l 319.50 j 79.50 i 0.00 k 1479.06
1989 0.00 j 35.78 a 127.50 i 251.50 j 312.50 i 658.00 552.50 k 714.00 432.50 j 266.00 i 54.00 j 0.00 m 1407.78
1990 11.00 i 20.00 93.00 i 119.50 j 233.50 i 525.50 i 500.50 j 656.50 380.00 k 391.50 61.50 k 4.00 l 1068.00
1991 0.00 i 36.50 2.50 j 134.50 235.00 i 379.50 j 534.50 i 542.00 i 400.00 j 492.50 42.50 l 1.00 l 663.50
1992 0.00 i 0.50 j 20.00 i 211.50 i 296.50 k 461.00 i 546.50 i 490.50 j 505.50 i 312.00 i 25.00 k 0.00 k 0.00
1993 0.00 k 0.50 86.00 166.50 i 318.50 k 685.34 a 513.00 j 542.00 i 443.50 i 261.00 j 45.00 j 0.00 l 771.84
1994 9.00 j 5.50 84.50 148.50 j 225.50 j 756.00 544.00 k 858.00 473.50 i 192.50 j 21.00 j 0.00 k 1704.00
1995 0.00 j 30.00 55.00 99.00 k 187.50 i 572.07 a 555.50 k 840.62 a 459.00 j 290.50 i 86.00 j 28.00 l 1497.69
1996 14.00 i 59.50 55.00 j 192.00 i 359.00 i 491.50 j 583.50 i 552.00 i 335.00 j 385.00 81.50 k 3.00 k 444.50
1997 3.00 i 3.00 106.50 m 161.00 404.50 j 425.50 i 567.50 i 564.00 j 475.50 j 313.00 71.50 l 0.00 j 477.00
1998 0.50 j 0.00 37.00 i 122.00 156.00 l 393.50 h 868.50 534.00 j 462.00 i 233.50 i 41.50 k 2.00 j 990.50
1999 3.00 k 12.50 h 49.50 h 88.50 i 250.50 k 448.50 h 424.50 l 558.00 i 452.50 i 321.00 k 150.50 j 9.00 k 0.00
2000 33.00 j 10.50 h 44.00 h 206.00 k 357.00 i 527.50 h 561.50 k 559.50 h 482.00 j 194.50 i 5.00 j 3.50 l 0.00
2001 0.00 i 4.50 h 79.50 i 157.00 j 437.50 i 493.50 i 535.00 j 568.50 h 475.50 k 298.50 h 103.50 j 0.00 l 0.00
2002 3.00 i 26.50 46.00 k 261.00 301.00 i 515.50 j 611.50 i 568.50 i 476.50 j 217.50 i 68.00 k 0.00 k 287.50
2003 20.50 i 2.00 h 66.50 j 90.50 h 320.00 j 451.50 i 618.50 i 510.00 j 454.50 i 367.00 i 14.00 j 2.50 h 0.00
2004 5.50 i 2.50 i 230.00 h 165.00 i 309.00 k 471.50 h 550.50 i 555.50 i 453.50 h 181.50 j 1.50 h 2.00 h 0.00
2005 1.00 l 0.00 h 17.50 h 117.00 i 315.50 j 0.00 z 611.50 j 515.50 i 500.00 h 219.00 j 0.00 z 8.50 i 0.00
2006 1.00 i 21.50 h 19.00 h 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2.50 j 0.00
2007 3.00 h 20.50 h 148.50 j 165.00 i 189.00 s 430.50 m 641.00 i 615.00 h 452.50 j 296.50 h 156.00 h 1.00 j 0.00
2008 0.00 h 8.00 h 0.00 z 126.00 o 128.50 t 410.50 m 495.50 l 334.50 q 389.50 l 283.50 j 36.50 p 3.00 o 0.00
2009 10.50 o 30.00 n 35.50 p 114.00 n 392.00 j 414.50 h 676.00 h 572.00 j 439.00 j 102.50 q 40.50 w 0.00 z 0.00
2010 0.00 j 0.00 i 22.50 121.00 322.50 652.00 855.50 816.50 722.00 332.50 84.50 11.00 3940.00
2011 2.50 4.00 99.20 a 236.00 318.00 663.00 802.00 890.00 692.00 388.02 a 25.00 0.00 4119.72
2012 2.50 5.00 77.50 250.50 514.08 a 714.00 768.59 b 815.30 a 608.79 a 348.00 146.00 10.50 4260.76
2013 7.00 0.00 143.93 c 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 150.93
Period of Record Statistics
MEAN 1.18 11.42 46.27 163.07 369.51 623.87 787.10 730.19 590.12 304.92 52.65 3.81 3695.15
S.D. 2.79 15.97 40.47 70.09 89.82 76.61 57.58 63.18 71.74 89.99 40.00 7.23 261.73
SKEW 3.15 1.66 1.88 0.26 -0.20 -0.10 -0.79 -0.12 -0.35 0.01 0.54 2.82 -0.33
MAX 15.00 59.50 235.00 314.00 588.50 779.50 880.50 890.00 755.00 528.50 146.00 38.50 4260.76
MIN 0.00 0.00 0.00 33.00 154.00 437.00 595.50 527.00 365.00 103.00 0.00 0.00 2975.00
NO YRS 73 86 77 78 74 80 74 78 73 79 71 70 61