WELLTON, ARIZONA

Monthly Total Cooling Degree Days

(029211)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 198012
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
1922 0.00 z 0.00 z 13.50 q 75.50 371.48 a 587.59 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1034.57
1923 0.00 v 0.00 z 0.00 z 145.80 e 458.80 a 484.00 819.00 738.50 522.50 148.00 5.19 d 0.00 z 3321.79
1924 0.00 0.00 1.00 0.00 z 406.00 0.00 z 546.50 j 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 407.00
1925 0.00 z 0.00 z 33.50 m 144.00 372.50 525.50 815.82 a 753.50 464.48 a 116.54 d 0.00 a 0.00 3192.34
1926 0.00 0.00 22.98 b 146.50 285.72 a 553.00 737.05 b 731.60 a 557.00 232.50 a 2.07 a 0.00 3268.42
1927 0.00 6.74 a 12.83 b 124.50 300.00 502.00 775.50 740.00 512.00 159.00 12.00 0.00 3144.57
1928 0.00 a 0.00 20.00 73.50 340.50 530.56 c 753.30 a 751.20 c 582.50 191.50 8.79 a 0.00 b 3251.85
1929 0.00 g 0.00 c 16.57 b 55.38 d 311.07 b 531.72 a 813.50 807.07 b 543.21 b 289.85 a 5.69 a 0.00 3374.07
1930 0.00 a 16.59 a 21.50 118.97 a 163.27 a 525.56 c 757.90 b 774.45 c 502.50 b 124.00 43.97 a 0.00 3048.69
1931 3.50 0.00 a 43.40 a 177.50 395.25 a 589.00 929.48 a 771.56 d 571.11 c 221.81 b 46.11 c 0.00 a 3748.72
1932 0.00 a 8.06 b 27.12 c 111.35 d 331.04 c 557.07 a 822.57 b 837.00 a 630.00 a 192.31 d 8.04 b 0.00 z 3524.55
1933 0.00 b 0.00 17.50 43.97 a 198.83 b 593.04 b 653.50 i 643.50 g 687.00 356.50 d 26.40 e 1.15 d 1924.38
1934 0.00 c 7.54 b 148.59 b 286.07 b 479.95 c 146.50 q 568.00 k 575.50 j 570.52 a 276.50 28.27 d 3.32 c 1800.75
1935 0.00 d 2.69 b 16.07 d 123.46 d 234.22 d 486.00 g 794.63 a 527.00 j 632.40 e 236.38 c 0.00 f 0.00 f 2039.86
1936 0.00 d 0.00 d 42.00 h 193.00 f 446.52 e 687.41 a 887.93 c 865.93 a 592.50 b 253.37 e 7.22 c 2.30 d 3743.18
1937 0.00 0.52 a 16.03 b 120.00 a 358.57 a 598.89 c 888.27 e 896.33 b 724.50 297.94 d 15.00 g 0.00 b 3901.05
1938 0.00 d 1.62 b 21.24 d 149.00 373.79 e 579.31 a 824.50 798.50 656.11 c 186.00 e 0.00 b 0.00 c 3590.07
1939 0.00 0.00 b 58.12 c 163.50 g 410.75 c 601.07 b 871.44 d 882.93 d 549.44 c 128.02 d 18.10 a 0.00 a 3519.88
1940 0.00 a 2.79 c 84.45 b 190.80 e 487.14 c 685.50 803.70 d 853.02 a 583.97 a 261.95 a 7.24 a 1.03 a 3961.59
1941 0.00 a 0.00 a 3.62 a 53.28 a 380.55 b 486.96 b 821.50 a 719.56 e 383.33 c 134.52 c 16.07 b 0.00 b 2999.39
1942 0.00 c 0.00 b 13.36 b 76.07 b 240.50 h 433.00 f 895.38 a 535.50 l 528.00 e 261.90 b 3.33 c 0.00 l 1778.05
1943 0.00 f 2.69 b 55.36 c 228.46 d 376.28 b 513.62 a 801.57 c 774.47 b 665.89 b 277.45 a 4.66 a 0.00 3700.44
1944 0.00 a 0.00 a 8.86 c 48.46 d 285.64 c 425.50 389.00 m 860.54 d 577.00 f 423.00 34.62 d 0.00 2086.61
1945 0.00 c 2.00 i 6.09 c 84.50 n 76.00 x 368.50 f 851.31 e 892.50 219.50 s 225.00 g 14.50 j 0.00 c 1749.90
1946 0.00 h 1.50 10.91 d 203.89 c 254.50 h 591.92 d 813.46 d 639.50 h 613.00 96.50 0.00 b 0.00 d 2331.18
1947 0.00 3.50 21.18 a 158.50 439.00 550.00 868.00 b 737.00 656.25 b 237.67 d 10.50 0.00 a 3681.60
1948 0.00 b 11.28 b 7.50 161.00 304.50 502.00 774.00 823.05 a 612.12 d 259.37 a 1.00 0.00 a 3455.81
1949 0.00 b 3.23 b 8.30 c 200.89 b 289.00 605.36 b 419.00 n 438.00 m 0.00 z 0.00 z 0.00 z 0.00 z 1106.78
1950 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
1951 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 3.62 a 0.00 a 3.62
1952 0.00 0.00 20.67 d 152.78 c 518.50 554.50 842.50 867.00 668.00 399.90 a 12.50 0.00 4036.34
1953 0.00 a 0.00 28.00 108.50 175.50 556.50 858.38 b 763.50 550.00 213.50 34.50 0.00 3288.38
1954 0.00 4.50 16.53 a 191.00 402.50 563.00 881.43 a 694.50 585.00 b 294.00 8.00 0.53 b 3641.00
1955 0.00 2.50 11.50 50.00 256.50 503.00 678.00 747.50 566.00 313.50 14.46 b 0.00 3142.96
1956 0.00 c 0.00 22.98 b 77.50 322.50 595.00 752.30 c 476.50 h 657.00 225.61 d 0.50 0.00 2653.40
1957 0.00 21.00 18.82 c 89.50 186.00 602.22 c 838.15 d 545.00 h 541.50 174.00 4.50 0.00 2475.69
1958 0.00 0.50 5.34 b 154.00 490.50 586.07 b 729.53 a 782.15 e 563.28 a 312.14 b 7.00 0.00 3630.52
1959 0.00 0.00 18.50 219.64 b 272.50 633.75 b 833.26 b 711.45 a 338.00 f 233.50 12.93 a 0.00 2935.53
1960 0.00 a 0.00 74.06 d 168.21 b 335.50 690.00 799.05 b 727.50 571.50 194.50 18.00 0.00 3578.32
1961 0.00 0.00 12.29 b 152.00 301.45 b 655.86 a 777.14 b 702.15 a 434.00 165.50 0.00 e 0.00 3200.39
1962 0.00 5.19 a 6.20 a 226.55 a 253.17 d 486.67 c 704.14 c 780.96 e 583.00 197.00 35.00 0.00 3277.87
1963 0.00 14.50 11.62 c 64.66 a 399.50 338.00 f 761.00 713.52 a 606.35 d 274.19 b 14.00 0.00 b 2859.33
1964 0.00 c 0.00 a 11.50 99.64 b 286.20 c 502.50 d 788.00 714.60 b 496.50 349.00 0.00 b 0.00 3247.94
1965 0.00 2.00 0.00 f 157.00 240.52 b 369.11 b 761.50 798.50 453.00 256.00 31.00 0.00 3068.62
1966 0.00 0.00 b 37.00 166.07 b 407.13 a 557.50 612.50 h 837.55 c 568.00 193.00 18.00 10.00 2794.26
1967 0.00 b 0.00 b 39.00 11.00 285.50 464.50 838.07 b 823.50 530.00 262.95 c 15.54 b 0.00 3270.05
1968 0.00 11.50 15.50 93.00 e 332.00 589.14 a 768.50 669.71 b 537.32 b 194.86 c 3.50 g 0.00 3211.52
1969 0.00 0.00 b 38.20 c 128.08 d 400.70 d 300.50 j 818.50 918.93 c 621.67 c 145.24 d 11.79 b 0.00 3083.10
1970 0.00 0.00 h 5.34 b 30.50 348.75 e 562.00 872.59 d 839.38 e 529.14 a 148.00 f 5.56 c 0.00 3193.27
1971 4.00 0.00 57.00 46.15 d 181.50 514.20 e 795.00 748.00 509.00 h 183.79 c 0.00 c 0.00 f 2529.64
1972 0.00 1.50 114.59 c 118.50 270.39 d 567.50 834.70 d 574.00 f 479.40 e 206.31 b 0.00 b 0.00 b 2592.89
1973 0.00 0.00 b 0.00 72.00 e 312.38 e 582.50 765.81 d 735.00 295.50 i 188.50 13.00 0.00 2669.20
1974 0.00 0.00 32.07 b 75.50 306.00 637.50 720.00 703.50 607.50 264.00 0.50 0.00 3346.57
1975 0.00 0.00 7.50 5.50 225.50 471.00 786.50 740.50 569.50 163.50 9.50 0.00 2979.00
1976 0.00 0.00 4.50 51.35 d 344.00 545.50 754.50 671.00 457.00 184.50 14.50 0.00 3026.85
1977 0.00 0.00 0.00 142.00 176.50 611.00 813.00 758.50 554.48 a 340.50 11.50 0.00 3407.48
1978 0.00 0.00 49.00 74.50 323.00 643.00 818.00 756.00 539.00 374.50 33.50 0.00 3610.50
1979 0.00 a 0.00 7.75 a 102.00 306.50 588.21 b 743.50 669.00 684.50 308.50 1.50 0.00 e 3411.46
1980 0.00 4.50 0.00 b 120.00 207.50 567.00 865.13 d 802.00 320.00 l 0.00 z 0.00 z 0.00 j 2566.13
Period of Record Statistics
MEAN 0.15 2.62 25.54 120.08 327.20 560.11 806.36 775.75 568.60 234.80 12.40 0.37 3394.09
S.D. 0.74 4.70 28.64 60.55 87.91 64.58 53.44 64.86 70.59 75.10 12.19 1.53 284.83
SKEW 4.78 2.25 2.39 0.33 0.08 -0.31 -0.05 0.39 -0.18 0.44 1.16 5.44 0.52
MAX 4.00 21.00 148.59 286.07 518.50 690.00 929.48 918.93 724.50 423.00 46.11 10.00 4036.34
MIN 0.00 0.00 0.00 5.50 163.27 369.11 678.00 669.00 383.33 96.50 0.00 0.00 2979.00
NO YRS 51 52 52 53 54 50 50 46 48 51 50 49 26