YUMA VALLEY, ARIZONA

Monthly Total Cooling Degree Days

(029657)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 199212
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
1930 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 38.28 a 0.00 38.28
1931 0.00 0.00 z 38.23 a 174.50 372.50 533.50 852.00 695.00 438.00 149.50 24.50 0.00 3277.73
1932 0.00 4.30 b 18.00 86.00 251.50 412.50 682.00 a 713.50 561.67 c 207.50 4.00 0.00 2940.96
1933 0.00 0.00 8.50 49.00 167.50 453.00 761.00 733.00 579.00 343.50 4.66 a 0.00 3099.16
1934 0.00 1.50 113.50 199.50 359.00 348.00 766.73 a 762.50 502.50 242.12 b 25.34 a 1.11 c 3321.81
1935 0.00 z 3.77 b 6.00 102.50 212.50 564.50 674.50 741.50 24.50 z 178.77 a 1.00 0.00 2485.04
1936 0.00 1.50 52.50 183.00 387.00 564.50 765.18 a 768.00 472.50 159.00 7.50 0.00 3360.68
1937 0.00 1.50 11.50 86.50 296.00 518.00 805.00 0.00 z 646.03 a 237.00 14.50 0.50 2616.53
1938 0.00 0.00 1.00 110.50 252.00 500.00 696.50 687.00 577.50 145.00 0.00 0.00 2969.50
1939 0.00 0.00 35.50 150.00 306.00 462.00 741.50 791.00 471.00 142.50 20.50 0.00 3120.00
1940 0.00 1.00 36.00 112.24 a 385.50 608.00 701.00 761.00 520.18 b 288.19 d 2.50 0.50 3416.10
1941 0.00 0.00 14.50 49.50 341.00 422.00 750.50 642.50 342.00 119.50 32.00 0.00 a 2713.50
1942 0.50 0.00 5.50 74.50 225.00 448.00 799.50 729.50 464.00 226.50 8.28 a 0.00 2981.28
1943 0.00 6.50 22.50 157.00 322.00 438.00 743.00 739.50 622.50 263.00 4.00 0.00 3318.00
1944 0.00 0.00 3.50 j 24.00 251.50 324.00 0.00 z 746.30 d 551.00 230.50 24.00 0.00 2151.30
1945 0.00 a 0.00 4.50 116.00 265.00 379.50 759.00 751.00 574.00 300.50 16.50 0.00 3166.00
1946 0.00 0.00 12.50 223.50 307.00 566.50 800.00 856.50 614.50 130.50 0.00 0.00 3511.00
1947 0.00 3.50 19.00 123.50 388.50 507.50 780.50 724.50 643.50 232.50 7.00 0.00 3430.00
1948 2.00 0.00 4.00 150.00 299.50 508.50 777.00 827.24 d 624.31 a 221.50 f 3.50 0.00 3196.05
1949 0.00 0.00 b 3.88 c 174.44 c 267.08 e 580.20 e 312.50 s 741.00 709.29 b 217.00 48.00 0.52 a 2741.40
1950 0.00 a 1.00 42.37 a 214.50 296.57 a 516.00 623.50 f 734.38 b 480.00 354.00 61.73 d 0.00 b 2700.54
1951 0.00 3.00 21.18 a 118.97 a 336.50 474.31 a 807.07 b 587.00 f 632.00 276.50 6.21 a 0.00 2675.74
1952 0.00 0.00 22.00 127.00 467.50 493.00 794.50 843.50 655.50 433.50 49.00 0.00 3885.50
1953 1.00 0.50 39.00 121.00 178.25 a 494.00 865.42 a 776.00 564.50 248.50 66.00 0.00 3354.17
1954 0.00 32.00 15.00 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 47.00
1955 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
1956 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
1957 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
1958 0.00 j 0.00 a 0.00 140.00 442.50 591.35 d 514.50 j 512.50 k 596.67 c 295.00 f 31.61 b 8.00 1810.12
1959 0.00 0.00 36.00 218.50 320.50 663.10 a 168.00 y 772.13 d 529.50 286.00 21.00 0.00 a 2846.73
1960 0.00 b 0.00 71.62 b 159.50 306.90 a 656.50 289.50 s 577.50 h 622.00 252.00 33.50 0.00 a 2102.02
1961 0.00 1.50 22.00 160.34 a 312.50 627.00 161.50 w 591.50 g 476.00 255.48 b 10.50 0.00 a 1865.33
1962 0.00 2.50 22.98 b 278.50 256.27 a 503.89 c 734.00 798.00 606.50 249.00 56.00 2.00 3509.64
1963 0.00 28.00 17.50 82.50 390.50 450.00 754.00 722.00 613.00 323.00 34.50 0.00 3415.00
1964 0.00 0.00 22.50 111.00 301.50 504.50 784.50 699.00 496.50 360.00 6.50 0.00 3286.00
1965 0.50 3.50 8.00 179.50 282.50 372.00 709.00 728.00 439.50 328.50 61.50 1.50 3114.00
1966 0.00 1.50 61.50 233.00 441.00 575.50 798.00 826.00 602.00 248.50 53.50 8.00 3848.50
1967 0.00 0.00 a 47.50 23.50 303.50 444.50 814.50 815.50 548.50 329.50 81.00 0.00 a 3408.00
1968 0.00 47.00 59.00 142.50 380.00 569.50 749.50 688.00 557.50 261.50 16.50 0.00 3471.00
1969 0.00 0.00 54.00 153.50 426.50 492.50 826.50 907.00 673.50 177.00 25.00 1.00 3736.50
1970 0.00 9.00 18.50 56.50 363.00 589.50 854.00 857.50 553.50 195.50 21.00 0.00 3518.00
1971 13.00 0.50 53.50 64.00 188.50 483.50 766.00 726.50 540.50 175.50 7.50 0.00 3019.00
1972 0.00 5.50 129.50 133.00 319.00 553.50 793.50 677.50 499.00 201.00 4.50 0.00 3316.00
1973 0.00 1.50 0.00 96.50 370.50 584.00 729.00 733.00 480.00 249.50 50.50 0.00 3294.50
1974 0.00 0.00 56.00 110.50 345.50 669.00 723.00 708.50 633.50 313.00 12.00 0.00 3571.00
1975 0.00 0.00 22.00 28.00 238.00 498.00 752.00 716.50 602.00 219.00 22.50 0.00 3098.00
1976 2.50 0.00 16.00 73.50 365.00 558.50 735.50 671.00 484.50 260.00 50.50 0.00 3217.00
1977 0.00 9.00 4.50 167.00 185.00 609.00 774.00 755.00 576.00 371.00 53.50 0.00 3504.00
1978 1.00 0.50 72.50 105.00 342.00 658.00 809.50 729.50 552.00 388.50 41.50 0.00 3700.00
1979 0.00 0.00 24.00 137.00 333.50 581.50 728.00 647.00 674.00 333.00 0.00 1.00 3459.00
1980 0.50 8.00 4.00 128.00 222.50 560.00 798.00 730.50 549.50 298.50 53.00 6.50 3359.00
1981 1.50 18.00 31.00 b 181.50 312.50 660.00 c 817.00 813.00 630.50 122.50 k 49.50 0.00 3514.50
1982 0.00 24.00 12.50 150.00 319.50 470.00 725.00 752.50 557.00 189.00 3.00 k 0.00 3199.50
1983 1.50 1.50 26.00 71.50 347.00 522.50 777.50 712.50 691.00 308.50 70.50 0.00 3530.00
1984 0.50 0.50 48.50 117.50 484.50 540.50 747.50 726.00 651.50 184.00 15.50 0.00 3516.50
1985 0.00 6.50 19.50 201.00 400.00 625.00 828.00 767.50 414.50 265.00 38.00 0.00 3565.00
1986 0.00 31.50 132.00 157.00 375.50 617.00 723.00 826.50 432.00 190.50 18.00 0.00 3503.00
1987 0.00 1.00 23.00 244.50 379.50 597.50 705.50 761.50 573.50 414.00 22.50 0.00 3722.50
1988 0.00 8.00 77.50 143.00 345.50 259.50 r 383.00 o 483.00 j 290.50 l 266.00 l 43.00 m 0.00 l 574.00
1989 0.00 23.00 75.00 306.50 375.00 590.50 830.00 718.00 607.00 326.50 14.50 i 0.00 3851.50
1990 0.00 6.00 74.00 171.00 290.00 590.00 836.00 770.00 604.50 298.50 15.00 0.00 3655.00
1991 0.00 6.00 6.50 122.00 258.50 452.00 673.50 518.00 i 370.00 l 433.50 69.00 0.00 o 2021.00
1992 0.00 7.50 14.47 a 230.89 b 439.50 265.00 o 748.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 1440.36
Period of Record Statistics
MEAN 0.43 5.37 32.93 138.02 322.39 528.13 767.31 750.40 561.35 260.57 27.54 0.54 3373.09
S.D. 1.77 9.72 30.62 61.21 73.08 82.37 47.61 54.93 77.96 77.67 22.10 1.71 258.40
SKEW 6.45 2.50 1.51 0.37 -0.07 -0.35 0.00 0.59 -0.46 0.30 0.59 3.74 -0.30
MAX 13.00 47.00 132.00 306.50 484.50 669.00 865.42 907.00 709.29 433.50 81.00 8.00 3885.50
MIN 0.00 0.00 0.00 23.50 167.50 324.00 673.50 642.50 342.00 119.50 0.00 0.00 2713.50
NO YRS 57 58 58 58 58 56 50 50 54 53 55 57 40