PHOENIX SKY HARBOR INTL AP, ARIZONA

Monthly Total Cooling Degree Days

(026481)

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
1933 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 614.50 882.50 808.50 621.50 323.50 2.50 0.00 3253.00
1934 0.00 0.50 104.50 248.50 488.00 491.00 863.50 740.00 530.00 258.50 39.00 0.00 3763.50
1935 0.00 4.00 0.00 81.50 203.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 289.00
1936 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1937 0.00 z 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 30.50 0.00 30.50
1938 0.00 0.00 2.50 107.50 277.50 551.50 739.50 719.50 583.50 155.00 0.00 0.00 3136.50
1939 0.00 0.00 41.00 169.00 387.00 589.50 0.00 z 784.00 510.00 0.00 z 0.00 z 0.00 z 2480.50
1940 0.00 z 0.00 z 58.50 0.00 z 487.00 723.00 839.00 809.00 600.50 268.00 6.00 1.50 3792.50
1941 0.00 0.00 0.00 39.00 305.50 466.50 732.00 658.00 417.93 a 102.00 14.00 0.00 2734.93
1942 0.00 0.00 2.50 57.50 272.28 a 548.00 833.00 702.50 545.17 a 194.00 13.00 0.00 3167.96
1943 0.00 3.00 33.58 a 215.00 389.00 556.50 806.50 695.50 570.00 223.00 2.00 0.00 3494.08
1944 0.00 0.00 0.00 26.50 274.00 439.00 732.00 784.50 540.50 257.00 16.00 0.00 3069.50
1945 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 806.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 806.50
1946 0.00 z 0.00 18.50 237.50 335.50 635.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1227.00
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 0.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 811.00 816.50 616.50 281.50 3.00 0.00 2528.50
1949 0.00 0.00 1.50 208.00 341.00 607.50 787.50 700.50 630.50 165.50 31.50 4.50 3478.00
1950 0.00 2.50 33.00 235.50 345.50 595.00 790.00 782.50 514.50 410.00 49.50 0.50 3758.50
1951 0.00 7.00 19.50 122.00 378.00 538.50 852.00 688.50 546.00 224.50 0.00 0.00 3376.00
1952 0.00 1.00 10.00 120.00 452.00 584.50 769.50 803.00 623.50 363.00 20.00 0.00 3746.50
1953 0.00 0.00 28.50 100.50 191.50 598.50 800.00 752.50 571.50 226.00 46.00 0.00 3315.00
1954 0.00 9.50 7.50 204.00 412.50 589.00 815.50 726.50 636.50 323.50 32.00 2.00 3758.50
1955 0.00 0.00 16.50 89.00 333.50 561.00 671.50 668.50 536.00 330.50 10.00 2.00 3218.50
1956 0.00 0.00 30.50 92.00 368.00 654.50 710.00 642.00 585.50 195.00 6.50 0.00 3284.00
1957 0.00 24.50 12.50 94.00 251.00 660.50 818.00 713.00 544.00 185.50 2.00 0.00 3305.00
1958 0.00 1.50 4.00 120.50 504.50 723.50 885.00 857.50 646.50 364.00 22.00 0.00 4129.00
1959 0.00 0.00 23.00 253.00 352.00 759.00 897.50 715.50 549.00 265.50 4.50 0.00 3819.00
1960 0.00 0.00 58.50 175.50 395.00 749.00 848.00 765.50 625.50 188.00 23.00 0.00 3828.00
1961 0.00 0.00 4.00 132.50 327.00 706.00 825.50 730.00 466.00 195.00 0.50 0.00 3386.50
1962 0.00 1.00 4.50 222.00 261.00 543.00 781.00 828.50 579.00 205.00 26.50 0.00 3451.50
1963 0.00 16.50 30.00 78.50 464.50 500.50 837.50 684.00 601.00 347.00 42.00 0.00 3601.50
1964 0.00 0.00 18.50 76.50 292.00 526.00 792.00 655.50 476.50 307.00 2.50 0.00 3146.50
1965 0.00 0.00 1.50 89.50 227.00 418.50 806.00 743.50 428.50 281.00 35.00 0.00 3030.50
1966 0.00 0.00 30.50 155.00 467.00 652.00 868.50 803.50 534.50 191.50 10.00 2.00 3714.50
1967 0.00 2.00 37.00 19.50 324.50 483.00 823.50 806.50 593.50 267.50 40.00 0.00 3397.00
1968 0.00 2.50 15.50 92.00 360.00 635.00 782.00 665.50 557.00 237.50 6.00 0.00 3353.00
1969 0.00 0.00 20.00 117.50 426.00 575.50 871.00 911.00 630.50 152.50 13.00 0.00 3717.00
1970 0.00 3.00 2.50 55.00 451.50 692.50 930.00 853.50 517.00 146.00 17.50 0.00 3668.50
1971 6.00 1.50 73.50 100.50 257.00 607.00 926.50 763.00 616.50 214.50 28.00 0.00 3594.00
1972 0.00 9.00 196.00 204.00 410.00 683.00 909.50 770.50 592.50 255.00 3.50 0.00 4033.00
1973 0.00 0.00 0.00 108.00 492.50 691.50 883.50 878.50 591.50 295.00 33.50 0.00 3974.00
1974 0.00 2.00 66.00 174.50 469.00 815.00 850.50 812.50 665.50 357.50 12.00 0.00 4224.50
1975 0.00 0.00 10.50 38.50 366.00 646.50 906.50 832.50 634.50 259.50 41.50 1.00 3737.00
1976 5.00 3.00 32.00 163.00 486.50 686.00 824.50 796.00 538.50 281.50 87.50 0.00 3903.50
1977 0.00 33.50 23.00 289.00 331.00 790.50 928.00 902.00 675.50 425.00 68.50 0.50 4466.50
1978 2.50 0.50 89.00 151.50 417.00 778.00 918.00 818.50 637.50 422.00 46.50 0.00 4281.00
1979 0.00 0.00 9.50 183.50 404.00 734.00 893.50 756.50 756.50 389.00 6.50 0.00 4133.00
1980 0.00 4.00 1.50 182.50 339.50 717.00 950.00 842.50 669.00 341.50 84.50 11.50 4143.50
1981 4.50 32.50 38.50 338.00 479.00 851.50 936.00 953.50 725.00 269.50 91.50 3.50 4723.00
1982 0.00 20.00 22.50 229.00 476.00 691.50 888.00 889.50 651.00 265.00 10.50 0.00 4143.00
1983 1.50 1.00 38.00 105.00 482.00 708.50 944.50 854.00 778.00 378.00 80.00 0.00 4370.50
1984 0.00 1.50 100.50 196.50 681.00 717.50 827.50 813.00 673.50 205.00 38.50 0.00 4254.50
1985 0.00 15.50 37.50 309.50 595.00 819.50 928.00 913.00 518.50 312.50 43.50 0.00 4492.50
1986 3.00 50.00 203.50 277.00 536.00 835.00 844.50 912.50 573.00 300.00 47.50 1.00 4583.00
1987 2.50 28.50 48.00 390.50 544.00 839.50 871.00 843.00 655.50 492.00 46.00 0.00 4760.50
1988 9.00 30.00 104.50 259.50 511.00 843.50 965.50 895.50 672.00 540.00 121.00 2.00 4953.50
1989 0.50 47.50 205.00 451.00 560.50 812.50 1004.50 888.00 745.00 384.50 79.50 0.00 5178.50
1990 5.00 24.00 145.50 334.00 498.50 864.00 887.50 798.50 676.50 425.00 98.00 0.00 4756.50
1991 0.00 56.00 19.50 218.50 456.50 684.00 931.50 913.00 705.00 506.00 68.50 0.00 4558.50
1992 0.00 11.50 50.50 366.00 562.00 753.50 861.00 845.00 764.50 458.50 26.50 0.00 4699.00
1993 0.50 0.50 83.00 263.00 579.00 737.50 863.50 823.00 688.00 362.50 20.50 0.00 4421.00
1994 0.00 2.50 55.50 219.00 412.50 813.50 894.50 937.00 656.00 266.00 8.50 0.00 4265.00
1995 0.00 16.50 53.50 152.50 355.50 635.00 914.00 918.00 725.50 347.00 72.50 0.00 4190.00
1996 0.00 37.50 66.00 271.00 557.50 807.50 936.50 901.00 576.50 354.50 56.00 3.50 4567.50
1997 2.00 8.00 177.00 213.50 659.00 682.00 893.00 865.00 750.50 309.00 58.50 0.00 4617.50
1998 0.00 0.00 47.50 131.00 350.50 610.00 915.50 919.50 684.50 286.00 9.50 2.00 3956.00
1999 0.00 6.00 64.50 135.50 461.00 714.50 813.50 868.00 670.50 442.50 145.00 1.00 4322.00
2000 5.00 6.50 56.00 315.00 615.00 780.00 931.00 850.50 757.00 253.50 0.00 0.00 4569.50
2001 0.00 0.00 108.00 247.00 678.50 809.50 912.00 919.50 815.50 445.00 171.50 0.00 5106.50
2002 0.00 17.50 85.00 348.50 517.00 851.00 961.00 932.00 743.50 315.50 77.50 0.00 4848.50
2003 7.00 5.00 75.50 173.50 568.00 802.00 1011.50 917.50 772.00 549.50 18.50 3.50 4903.50
2004 5.50 1.00 272.50 241.50 569.50 785.50 913.50 858.50 693.00 331.50 20.00 0.00 4692.00
2005 3.00 0.00 34.00 217.50 549.00 762.50 999.00 843.50 737.50 410.50 91.50 0.00 4648.00
2006 7.50 19.00 42.50 234.50 610.00 888.50 977.50 853.50 618.50 343.00 114.00 0.00 4708.50
2007 0.00 10.00 171.00 268.00 608.00 832.00 955.50 967.00 760.50 409.50 182.50 0.00 5164.00
2008 0.00 10.50 104.50 270.00 423.00 844.50 926.50 866.00 745.50 403.50 99.50 0.00 4693.50
2009 8.00 30.50 103.50 215.50 655.50 711.00 1031.50 936.00 750.00 316.00 121.50 0.00 4879.00
2010 0.00 0.50 38.00 186.50 410.50 787.00 983.50 899.50 795.00 394.00 78.50 3.50 4576.50
2011 0.00 0.00 113.50 304.50 426.50 773.00 936.50 1031.00 791.00 428.00 30.00 0.00 4834.00
2012 3.00 6.50 102.00 312.00 605.00 862.50 895.50 940.00 709.50 428.32 a 133.00 5.00 5002.32
2013 4.13 a 2.50 174.00 9.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 180.63
Period of Record Statistics
MEAN 1.15 8.30 56.15 189.36 436.61 689.53 872.32 820.97 633.56 312.40 43.75 0.67 4082.53
S.D. 2.27 13.06 58.39 93.84 119.55 116.85 74.40 87.70 92.46 98.50 42.73 1.72 622.31
SKEW 1.92 1.92 1.56 0.33 0.08 -0.32 -0.27 -0.18 -0.07 0.23 1.28 4.01 -0.11
MAX 9.00 56.00 272.50 451.00 681.00 888.50 1031.50 1031.00 815.50 549.50 182.50 11.50 5178.50
MIN 0.00 0.00 0.00 19.50 191.50 418.50 671.50 642.00 417.93 102.00 0.00 0.00 2734.93
NO YRS 74 76 75 73 74 74 74 74 74 73 74 75 70