CASA GRANDE, ARIZONA

Monthly Total Cooling Degree Days

(021306)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 200907
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
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 728.50 f 0.00 z 506.40 e 223.00 11.50 0.00 740.90
1904 0.00 0.00 z 0.00 z 166.00 414.50 691.55 a 803.00 788.00 0.00 z 64.50 0.00 a 0.00 2927.55
1905 0.00 8.81 a 0.00 a 98.50 273.50 699.00 950.00 938.00 657.50 293.00 42.50 0.00 a 3960.81
1906 0.00 0.00 14.50 46.00 449.50 757.50 986.50 899.00 655.50 95.00 0.00 z 0.00 a 3903.50
1907 0.00 z 0.00 0.00 z 150.00 354.00 435.00 922.50 892.50 658.00 186.50 0.00 0.00 3598.50
1908 0.00 0.00 44.50 159.00 231.50 574.00 740.50 676.00 448.45 a 0.00 z 0.00 z 0.00 2873.95
1909 0.00 0.00 4.00 221.00 335.00 458.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1018.00
1910 0.00 z 33.00 270.00 253.50 458.50 643.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1658.00
1911 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 779.50 0.00 z 607.50 0.00 z 0.00 z 0.00 1387.00
1912 0.00 z 0.00 a 0.00 18.00 0.00 z 0.00 z 198.00 p 0.00 z 93.00 u 0.00 z 0.00 z 0.00 z 18.00
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 17.71 c 112.00 177.50 596.50 327.00 s 0.00 z 0.00 z 0.00 z 0.00 z 0.00 y 903.71
1918 0.00 z 0.00 z 0.00 z 0.00 z 173.50 i 735.50 758.00 629.50 547.00 254.50 7.50 0.00 2932.00
1919 0.00 0.00 2.00 171.00 347.50 626.38 a 552.50 f 719.50 455.00 59.00 0.00 0.00 z 2380.38
1920 0.00 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 b 0.00
1921 3.00 8.50 40.41 c 95.00 268.67 a 445.50 h 510.50 m 42.50 z 305.00 m 160.00 n 0.00 z 0.00 z 415.58
1922 0.00 h 0.00 z 0.00 d 69.11 b 129.50 o 0.00 z 549.50 k 605.00 h 454.00 h 265.80 d 0.00 f 0.00 e 334.90
1923 0.00 z 0.00 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 0.00 z 0.00
1924 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1925 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 294.50 s 813.00 647.90 a 458.50 131.50 4.00 0.00 2054.90
1926 0.00 a 0.00 a 14.50 0.00 z 0.00 z 588.50 770.50 723.50 561.00 240.00 0.00 z 5.00 2903.00
1927 0.00 b 2.00 4.00 128.50 346.00 548.00 833.00 595.72 a 273.00 n 142.50 i 12.93 a 0.00 d 2470.15
1928 0.00 d 1.00 33.00 102.00 424.00 565.50 808.00 709.00 0.00 z 219.58 a 0.00 z 0.00 c 2862.08
1929 0.00 0.00 15.50 61.61 b 312.50 611.00 809.50 725.50 549.50 326.50 6.00 0.00 3417.61
1930 0.00 3.50 6.00 177.00 211.00 612.50 796.50 701.50 454.50 115.50 42.00 0.00 3120.00
1931 0.00 0.00 17.50 180.00 410.50 596.00 856.00 664.00 531.00 159.00 38.50 0.00 3452.50
1932 0.00 i 3.50 15.00 31.00 j 318.00 565.00 782.50 772.50 615.50 180.50 4.00 0.00 3256.50
1933 0.00 0.00 3.50 32.00 h 194.50 575.50 842.50 763.50 576.50 287.50 2.50 0.00 3246.00
1934 0.00 0.00 84.50 254.00 500.50 496.00 854.50 759.50 551.00 267.50 35.00 5.00 3807.50
1935 2.00 6.00 0.50 108.00 223.50 651.50 801.00 722.50 550.00 220.21 b 0.00 0.00 3285.21
1936 0.00 h 0.00 b 38.50 217.50 439.50 725.50 889.46 e 771.90 a 328.00 h 229.50 19.00 0.00 3330.86
1937 0.00 2.50 12.50 90.00 386.50 600.00 818.00 809.50 637.22 c 244.50 25.00 0.00 f 3625.72
1938 0.00 0.00 12.50 147.00 339.00 598.00 781.50 736.50 408.50 j 0.00 z 0.00 0.00 2614.50
1939 0.00 0.00 25.00 h 166.03 a 0.00 z 613.27 d 848.00 484.00 k 0.00 z 32.00 x 42.93 a 10.00 m 1670.23
1940 1.00 h 4.30 b 38.75 c 140.36 b 451.71 c 701.54 d 798.25 c 572.50 h 434.50 f 247.43 d 0.00 r 0.00 f 2382.33
1941 0.00 e 0.00 e 1.00 40.00 322.40 a 504.50 755.88 a 651.53 b 421.00 107.50 11.50 0.00 2815.32
1942 0.00 0.00 0.52 a 47.00 246.50 583.00 834.00 699.50 556.00 182.00 6.00 0.00 3154.52
1943 0.00 19.50 20.50 v 215.00 373.50 550.00 797.50 704.50 567.00 213.00 2.50 0.00 3442.50
1944 0.00 0.00 0.00 21.00 265.50 432.00 720.00 905.00 636.00 251.00 12.50 0.00 3243.00
1945 0.00 0.00 b 3.00 130.50 354.00 515.50 808.50 754.00 566.00 0.00 z 14.00 0.00 z 3145.50
1946 0.00 z 0.00 z 0.00 z 0.00 z 342.00 618.00 736.50 681.00 514.50 59.00 0.00 0.00 2951.00
1947 0.00 4.50 27.00 121.00 452.50 555.00 882.50 740.00 674.50 270.00 10.00 2.00 3739.00
1948 0.00 3.00 2.00 168.00 375.50 600.50 828.50 787.00 637.00 295.00 4.00 0.00 3700.50
1949 0.00 0.00 8.50 214.50 296.29 e 514.50 g 779.00 696.00 616.50 176.50 43.50 4.00 2834.79
1950 0.50 3.00 35.43 c 228.46 d 284.37 e 595.56 c 765.50 708.50 482.50 420.50 40.50 0.50 3565.31
1951 0.00 5.00 25.00 122.50 372.00 538.00 854.50 718.50 576.50 292.00 0.50 0.00 3504.50
1952 0.00 0.00 13.00 131.00 463.50 592.00 792.50 798.50 626.38 a 379.00 35.50 0.00 3831.38
1953 0.00 0.00 50.00 116.50 203.50 623.57 b 832.00 786.50 597.50 231.31 e 71.38 a 0.00 3512.26
1954 0.00 15.50 30.50 239.50 345.00 522.00 739.50 631.00 553.00 255.00 14.50 1.50 3347.00
1955 0.00 0.00 4.50 63.00 255.75 a 502.50 633.50 416.50 j 478.50 271.54 d 0.00 z 0.00 z 2209.29
1956 0.00 z 0.00 f 21.50 106.50 388.50 693.50 751.50 692.00 611.50 217.50 7.00 0.00 3489.50
1957 0.00 20.50 20.50 92.00 250.50 691.50 864.00 753.50 533.00 144.50 1.50 0.00 3371.50
1958 0.00 0.00 5.00 106.00 527.50 689.00 864.50 818.00 576.50 321.00 2.00 0.00 3909.50
1959 0.00 0.00 12.00 208.50 323.50 730.00 865.50 698.50 533.00 248.50 12.50 0.00 3632.00
1960 0.00 0.00 82.50 146.50 335.00 708.50 871.00 830.50 652.00 246.00 38.50 h 0.00 3872.00
1961 0.00 i 0.50 10.69 b 123.00 405.50 740.00 930.00 783.00 458.00 171.00 0.00 0.00 3621.69
1962 0.00 3.00 8.00 155.50 i 300.00 562.50 785.50 809.50 582.00 229.00 51.00 0.00 3330.50
1963 0.00 17.50 28.50 87.00 451.50 540.50 862.00 696.50 617.50 301.50 28.00 0.00 3630.50
1964 0.00 0.00 17.50 90.00 318.00 568.00 835.00 685.50 488.00 323.50 3.50 0.00 3329.00
1965 1.00 0.00 8.00 115.18 b 272.28 a 428.50 770.50 730.00 439.00 0.00 z 30.00 c 0.00 z 2794.46
1966 0.00 q 0.00 33.14 b 163.00 462.50 658.50 861.50 795.50 568.33 c 226.00 33.50 7.50 3809.47
1967 0.00 0.00 48.00 54.50 351.00 572.50 820.50 780.00 562.00 282.00 40.50 0.00 3511.00
1968 0.00 1.50 19.93 c 76.50 293.43 b 600.00 750.50 616.12 c 503.28 a 194.27 a 7.50 b 0.00 b 3063.03
1969 1.50 0.00 a 16.03 b 127.00 434.50 557.14 b 837.52 a 867.48 a 618.50 147.25 a 9.00 0.00 3615.93
1970 0.00 a 6.16 c 3.10 a 53.08 d 438.81 b 651.00 846.30 a 799.59 b 467.31 d 141.71 c 22.20 e 0.00 a 3429.26
1971 1.19 e 1.08 b 60.81 e 91.20 e 267.52 d 593.33 c 851.39 c 469.00 i 527.31 d 158.58 e 5.19 d 0.00 n 2557.60
1972 0.00 6.00 149.66 b 120.00 d 347.00 632.59 a 873.17 a 716.32 c 535.18 b 251.50 2.14 b 0.00 z 3633.55
1973 0.00 0.00 a 0.00 97.50 415.50 636.50 832.00 811.50 540.00 208.50 10.86 a 0.00 b 3552.36
1974 0.00 0.00 25.50 90.50 376.50 713.00 712.50 648.00 532.00 309.00 0.60 e 0.00 d 3407.60
1975 0.00 0.00 a 12.50 15.54 b 226.09 b 525.50 762.00 725.00 494.00 178.50 11.50 0.00 2950.62
1976 0.00 0.00 7.50 82.50 410.00 576.50 790.00 663.50 393.00 128.50 11.00 0.00 3062.50
1977 0.00 0.00 2.50 110.50 163.00 617.50 827.00 793.50 570.50 280.50 3.50 0.00 z 3368.50
1978 0.00 0.00 0.00 z 84.00 307.50 661.00 826.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1878.50
1979 0.00 0.00 1.50 114.50 354.00 631.00 793.00 635.50 604.50 261.00 10.34 a 0.00 a 3405.34
1980 0.00 0.00 6.00 126.72 a 274.00 581.50 863.50 754.00 557.00 223.41 b 35.00 3.62 a 3424.75
1981 0.00 4.50 9.50 219.50 361.67 a 722.50 834.50 801.00 579.83 a 187.11 c 14.00 0.00 z 3734.10
1982 0.00 4.50 10.50 111.50 293.00 506.50 749.50 758.00 517.50 96.00 0.00 0.00 3047.00
1983 0.00 0.00 3.00 47.50 328.50 518.50 788.00 680.00 615.50 199.50 32.50 0.00 3213.00
1984 0.00 0.00 12.50 84.50 501.00 0.00 z 675.50 687.00 604.00 150.50 7.50 0.00 2722.50
1985 0.00 0.00 a 3.50 214.00 452.50 684.00 810.00 760.00 398.50 171.50 11.00 0.00 3505.00
1986 0.00 19.50 104.00 146.50 423.00 687.00 710.50 742.50 394.50 113.00 11.00 0.00 3351.50
1987 0.00 7.00 6.00 253.00 398.00 689.00 755.50 737.50 518.50 355.00 9.00 0.00 3728.50
1988 0.00 8.50 46.00 150.50 383.00 682.50 818.50 711.50 479.50 367.50 56.00 0.00 3703.50
1989 0.00 6.50 86.50 304.00 418.50 640.00 858.50 744.00 589.00 250.50 5.50 0.00 3903.00
1990 0.00 5.50 53.50 190.00 356.00 728.50 782.00 656.00 569.50 167.50 l 18.00 k 0.00 3341.00
1991 0.00 z 0.00 z 1.00 72.50 302.50 501.50 755.50 771.50 557.50 341.00 25.00 0.00 3328.00
1992 0.00 0.00 6.50 203.50 419.50 583.50 756.50 733.00 575.50 253.00 0.00 z 0.00 3531.00
1993 0.00 0.50 21.50 158.00 475.50 639.00 766.50 723.00 544.00 269.00 0.50 0.00 3597.50
1994 0.00 0.50 29.50 192.41 a 335.50 749.00 832.00 848.50 603.50 220.50 6.00 0.00 3817.41
1995 0.00 5.00 0.00 z 110.00 297.50 575.50 840.50 870.50 660.50 307.00 56.00 2.50 3725.00
1996 3.00 40.00 66.50 262.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 371.50
1997 0.00 z 1.50 144.00 191.50 623.50 660.50 867.00 842.50 692.50 291.50 38.50 0.00 4353.00
1998 0.00 0.00 19.50 95.00 267.50 547.00 0.00 z 837.50 642.50 239.50 0.00 4.50 2653.00
1999 0.00 b 0.50 48.16 c 121.07 b 405.14 b 681.21 a 752.02 b 0.00 z 504.50 f 0.00 z 90.00 f 0.00 b 2008.09
2000 1.79 e 3.00 0.00 z 176.50 l 358.50 j 0.00 z 322.50 s 0.00 z 0.00 z 181.19 b 0.00 0.00 185.98
2001 0.00 0.00 a 45.00 159.31 a 502.00 676.50 809.50 771.50 634.00 274.50 71.00 0.00 3943.31
2002 0.00 1.00 13.00 204.50 337.00 676.50 830.00 781.00 591.00 161.00 17.50 0.00 3612.50
2003 0.00 0.00 14.50 93.00 400.00 599.00 869.50 808.00 617.00 396.50 9.50 0.00 3807.00
2004 0.50 1.50 159.50 144.00 418.50 601.50 787.00 691.00 520.00 116.00 q 0.00 z 0.00 z 3323.50
2005 0.00 0.00 9.00 126.00 427.50 646.50 876.50 763.00 626.50 299.50 48.50 0.00 3823.00
2006 2.50 4.00 25.50 156.00 500.00 772.50 893.50 768.00 510.00 235.00 35.00 0.00 3902.00
2007 0.00 1.00 104.50 177.00 449.50 671.50 850.00 830.50 619.00 287.50 44.40 e 0.00 4034.90
2008 0.00 1.00 42.00 n 188.50 358.00 746.50 864.00 841.50 425.00 j 242.50 g 49.00 0.00 3048.50
2009 9.00 13.50 74.00 173.50 566.50 642.00 724.00 g 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1478.50
Period of Record Statistics
MEAN 0.31 3.39 29.96 135.77 361.27 615.38 813.42 749.02 557.36 229.07 18.30 0.45 3516.10
S.D. 1.16 6.86 42.59 61.25 89.55 78.42 58.14 71.00 69.31 77.29 18.59 1.38 294.08
SKEW 5.67 3.21 3.03 0.34 0.15 -0.19 -0.06 0.27 -0.43 -0.07 1.01 3.31 -0.31
MAX 9.00 40.00 270.00 304.00 623.50 772.50 986.50 938.00 692.50 420.50 71.38 7.50 4034.90
MIN 0.00 0.00 0.00 15.54 163.00 428.50 633.50 595.72 393.00 59.00 0.00 0.00 2815.32
NO YRS 83 91 87 90 90 90 88 83 81 81 79 81 46