YUMA CITRUS STN, ARIZONA

Monthly Total Cooling Degree Days

(029652)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 200603
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
1920 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 481.50 177.22 a 0.00 0.00 658.72
1921 0.00 a 14.50 60.00 125.00 273.50 608.50 848.50 781.50 584.50 337.00 53.79 a 1.03 a 3687.83
1922 0.00 0.00 z 19.63 a 69.00 364.00 633.50 845.27 a 800.83 a 692.50 282.62 a 0.00 0.00 3707.35
1923 2.00 25.50 17.00 107.50 395.00 425.00 785.50 778.74 b 521.38 a 200.50 39.50 0.00 3297.62
1924 0.00 11.00 0.00 92.59 a 437.10 a 676.50 813.00 790.50 643.00 183.50 54.00 0.00 3701.19
1925 0.00 2.07 a 77.50 179.50 410.00 573.50 861.00 789.00 527.00 181.87 a 10.50 1.00 3612.94
1926 0.00 6.50 72.00 221.50 369.50 648.50 809.50 804.50 610.00 316.50 40.34 a 0.00 3898.84
1927 0.00 22.00 31.50 190.50 379.00 575.50 836.50 800.50 559.00 291.50 49.00 0.00 3735.00
1928 0.00 a 0.00 a 65.50 167.59 a 455.50 611.50 820.00 813.00 671.50 295.00 28.50 0.00 3928.09
1929 0.00 a 0.00 39.27 a 103.00 434.50 589.00 884.50 879.50 592.00 371.00 16.00 0.00 z 3908.77
1930 0.00 q 30.00 62.00 240.50 234.00 603.50 0.00 z 786.50 516.00 212.00 86.90 a 0.00 2771.40
1931 1.03 a 0.00 68.50 229.00 441.50 599.00 936.00 790.50 a 538.00 250.00 70.00 0.00 3923.53
1932 0.00 15.00 46.50 164.50 368.00 559.50 829.00 843.50 678.33 c 254.50 27.50 0.00 3786.33
1933 0.00 0.00 19.00 84.50 237.00 593.00 901.50 844.00 686.50 436.50 56.50 0.00 3858.50
1934 0.00 6.22 a 224.50 313.00 504.00 481.50 868.00 840.50 611.50 340.50 73.50 5.00 4268.22
1935 1.50 21.00 23.00 151.50 277.50 679.00 801.00 803.00 682.50 259.50 2.50 0.00 3702.00
1936 0.00 3.50 105.50 243.00 465.50 657.00 835.00 857.00 586.00 259.88 a 25.00 0.00 4037.38
1937 0.00 2.00 26.00 130.50 380.50 576.50 889.00 908.30 a 762.00 348.50 42.00 4.65 a 4069.95
1938 0.00 0.00 16.50 168.62 a 335.00 599.00 789.00 815.50 696.50 232.00 0.00 7.00 3659.12
1939 0.00 0.00 69.00 4.50 z 390.60 a 577.00 829.00 870.00 554.50 239.00 52.00 6.50 3587.60
1940 1.50 3.00 63.66 c 187.00 495.00 687.00 810.50 849.50 607.50 336.50 8.50 10.50 4060.16
1941 0.00 0.50 26.50 73.50 415.00 504.00 831.00 708.87 a 445.50 180.00 65.00 2.58 a 3252.45
1942 0.50 0.00 11.50 92.50 296.00 560.00 913.50 801.50 572.50 304.50 48.50 0.00 3601.00
1943 0.00 11.00 49.50 225.50 438.50 530.50 860.50 828.50 717.00 345.00 18.50 0.00 4024.50
1944 0.00 0.00 17.50 66.00 335.00 421.50 766.73 a 832.50 652.00 327.00 34.00 0.00 3452.23
1945 0.00 0.00 9.50 158.00 347.20 a 504.50 864.26 b 826.15 a 649.00 364.50 27.00 0.00 3750.11
1946 0.00 2.00 21.50 241.00 331.50 606.50 787.50 823.00 633.00 145.50 0.00 a 0.00 3591.50
1947 0.00 7.00 27.00 154.50 422.50 509.00 785.00 741.50 666.50 287.00 14.50 2.50 3617.00
1948 8.00 8.50 0.50 172.00 311.00 495.00 787.00 828.00 639.50 316.50 8.50 0.00 3574.50
1949 0.00 0.00 8.50 218.50 319.82 a 617.50 806.00 752.50 738.00 234.50 82.50 3.50 3781.32
1950 0.00 8.00 57.00 239.00 291.50 514.50 771.50 766.22 a 520.00 371.00 87.50 3.00 3629.22
1951 1.00 11.00 26.00 131.50 339.45 a 499.00 833.50 753.50 657.00 292.50 19.00 0.00 3563.45
1952 0.00 0.00 30.00 146.00 483.50 482.00 796.00 849.40 a 659.00 454.00 41.50 0.00 3941.40
1953 0.50 3.11 a 39.00 108.00 194.50 499.50 877.00 770.00 569.50 263.50 82.00 0.00 3406.61
1954 0.00 49.00 20.31 b 0.00 z 148.50 r 515.00 798.50 726.50 639.50 335.12 b 28.00 0.00 3111.93
1955 0.00 7.50 23.00 72.00 290.00 519.00 683.50 768.05 b 617.00 364.00 37.00 1.00 3382.05
1956 0.00 b 0.00 35.50 124.50 335.00 599.42 d 436.00 l 713.00 e 681.00 e 266.60 a 30.00 0.00 a 2785.02
1957 0.00 43.50 35.00 130.34 a 223.95 b 632.31 d 840.21 b 749.34 b 562.24 a 200.00 3.60 e 0.00 d 3420.49
1958 0.00 d 0.00 g 3.21 b 187.80 e 313.50 k 442.50 f 527.50 j 819.71 e 637.50 d 392.67 d 35.77 d 3.00 h 2076.65
1959 0.00 e 0.00 f 50.00 224.00 274.50 650.50 851.00 763.38 c 512.50 290.00 19.00 0.00 3634.88
1960 0.00 0.00 69.50 155.17 a 302.00 660.00 808.50 782.00 601.50 225.00 25.00 0.00 3628.67
1961 0.00 0.00 16.53 a 130.50 255.50 612.50 772.00 757.50 453.00 220.62 a 1.50 0.00 3219.65
1962 0.00 d 1.50 12.00 228.00 224.00 511.50 755.50 810.65 a 622.50 240.77 a 56.00 0.00 3462.42
1963 0.00 28.00 0.00 z 65.50 356.00 421.50 774.50 742.50 631.50 317.50 36.50 0.00 3373.50
1964 0.00 0.00 18.50 95.50 257.62 b 482.50 784.82 a 750.00 517.50 370.97 a 7.00 0.00 3284.40
1965 0.00 9.00 4.50 148.50 250.00 358.00 721.00 753.50 441.50 309.00 40.00 0.00 3035.00
1966 0.00 a 0.00 c 32.00 177.50 404.50 548.50 781.50 835.50 615.50 235.50 43.50 13.50 3687.50
1967 0.00 0.00 45.00 16.00 289.00 454.14 a 833.00 829.00 530.50 289.50 58.97 a 0.00 z 3345.10
1968 0.00 30.50 42.00 104.50 317.50 537.93 a 722.00 633.50 505.00 207.70 a 7.50 0.00 3108.13
1969 0.00 0.00 45.50 131.00 391.00 468.50 787.29 b 873.00 625.86 a 162.00 19.00 0.50 3503.66
1970 0.00 7.50 18.50 48.50 346.50 553.50 823.00 832.50 532.00 186.50 19.50 0.00 3368.00
1971 12.00 0.00 59.00 85.50 179.28 a 481.61 b 809.00 774.48 a 590.50 186.50 6.00 0.00 3183.87
1972 0.00 a 2.50 154.00 161.00 328.50 571.50 830.50 687.50 519.50 191.50 1.00 0.00 3447.50
1973 0.00 0.00 0.00 83.33 c 389.00 618.33 c 755.50 742.00 481.00 242.50 34.50 0.00 3346.17
1974 1.00 0.00 54.00 121.00 371.00 680.50 718.88 b 573.50 f 668.79 a 290.50 0.00 0.00 2905.67
1975 0.00 a 0.00 c 22.98 b 40.50 262.50 529.82 b 782.00 761.64 b 623.65 d 196.50 9.00 h 0.00 3219.60
1976 1.00 0.50 22.22 a 67.50 344.00 556.00 730.00 675.50 491.00 249.00 30.50 0.00 3167.22
1977 0.00 11.00 8.50 166.50 165.00 626.50 818.00 769.50 579.50 342.50 35.00 0.00 3522.00
1978 0.00 1.50 80.00 123.50 345.00 665.50 839.50 749.00 541.50 370.50 31.00 0.00 3747.00
1979 0.00 0.00 16.00 128.50 336.00 590.00 733.50 631.37 a 642.00 256.00 0.00 0.50 3333.87
1980 0.00 5.00 4.00 116.90 a 223.50 553.00 827.50 742.00 543.50 287.50 34.00 0.00 3336.90
1981 0.00 8.00 22.50 199.00 330.50 712.00 842.68 a 849.00 646.00 167.00 28.00 0.00 3804.68
1982 0.00 9.50 12.50 136.50 298.00 469.50 768.00 772.00 554.00 163.00 0.00 0.00 3183.00
1983 0.00 0.00 28.50 62.50 348.00 539.50 802.00 730.00 703.00 286.50 60.00 0.00 3560.00
1984 0.00 0.00 39.00 123.00 500.50 568.00 787.50 750.00 666.50 164.00 4.50 0.00 3603.00
1985 0.00 1.50 0.00 z 0.00 z 388.00 641.50 819.00 775.50 401.00 235.50 19.50 0.00 3281.50
1986 0.00 24.50 111.50 146.00 364.50 631.00 709.50 838.50 414.50 163.50 8.00 0.00 3411.50
1987 0.00 3.50 9.50 244.00 356.50 610.00 692.00 739.50 569.50 379.50 7.50 0.00 3611.50
1988 0.00 4.00 66.00 126.50 342.50 565.50 792.50 741.00 539.50 429.50 88.50 0.00 3695.50
1989 0.00 17.50 89.00 297.50 380.00 596.50 849.00 749.50 626.50 299.50 13.50 0.00 3918.50
1990 0.00 4.50 77.00 198.00 302.00 644.50 831.50 756.50 623.50 292.00 28.50 0.00 3758.00
1991 0.00 6.50 3.50 101.00 267.50 469.00 698.00 773.00 617.00 415.00 55.50 0.00 3406.00
1992 0.00 8.00 8.50 238.50 458.00 594.00 794.00 914.50 721.50 368.50 23.00 0.00 4128.50
1993 0.00 0.00 79.50 209.50 445.00 587.50 729.50 785.00 616.50 337.50 11.00 0.00 3801.00
1994 0.00 0.00 56.50 184.50 316.50 706.50 819.50 877.00 674.50 235.00 7.50 0.00 3877.50
1995 0.00 19.00 53.50 125.50 261.00 516.00 792.50 909.00 740.00 323.00 74.50 0.50 3814.50
1996 0.00 31.00 65.50 190.00 456.00 633.00 894.50 885.00 600.50 353.00 41.00 0.00 4149.50
1997 3.50 2.00 110.50 176.00 567.00 544.00 791.00 901.00 698.79 a 266.00 54.50 0.00 4114.29
1998 0.00 0.00 33.50 101.50 260.00 0.00 z 869.00 895.50 632.00 231.50 2.00 o 0.00 w 3023.00
1999 0.00 z 0.00 z 0.00 z 44.00 r 0.00 z 313.00 k 303.00 s 481.50 l 378.50 n 166.00 s 28.00 u 0.00 w 0.00
2000 6.50 q 0.50 u 8.00 v 75.00 u 191.00 q 374.50 m 80.00 z 435.00 o 0.00 z 0.00 z 0.00 w 0.00 v 0.00
2001 0.00 x 0.00 t 0.00 z 21.00 v 0.00 z 0.00 z 0.00 z 36.50 z 0.00 z 304.00 f 103.27 d 0.00 i 103.27
2002 0.00 p 0.00 t 0.00 y 138.00 g 241.00 i 415.00 k 502.00 l 433.00 n 375.00 m 182.50 j 11.50 p 0.00 h 0.00
2003 0.00 l 2.50 j 35.50 l 33.50 t 240.50 m 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2004 0.00 z 0.00 z 154.00 h 124.50 l 244.50 m 247.50 q 541.50 j 482.00 l 139.50 u 115.00 p 0.00 p 0.00 k 0.00
2005 0.00 n 0.00 f 14.00 i 79.00 j 248.00 l 271.50 q 507.50 m 490.50 l 297.00 n 80.00 y 37.50 q 1.00 w 0.00
2006 0.00 v 12.50 v 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
Period of Record Statistics
MEAN 0.44 7.33 41.96 149.16 345.72 567.40 807.12 792.75 599.65 278.82 32.47 0.84 3631.77
S.D. 1.70 10.69 37.08 61.70 82.55 73.84 52.44 59.89 78.97 73.98 25.78 2.37 284.88
SKEW 5.45 1.93 2.10 0.30 0.18 -0.32 -0.17 -0.14 -0.36 0.20 0.70 3.56 0.06
MAX 12.00 49.00 224.50 313.00 567.00 712.00 936.00 914.50 762.00 454.00 103.27 13.50 4268.22
MIN 0.00 0.00 0.00 16.00 165.00 358.00 683.50 631.37 401.00 145.50 0.00 0.00 3035.00
NO YRS 77 75 76 75 76 76 75 77 79 79 78 75 64