EL CENTRO 2 SSW, CALIFORNIA

Monthly Total Cooling Degree Days

(042713)

Base Temperature = 65 F

File last updated on Apr 4, 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
1932 0.00 z 0.00 z 51.00 181.00 366.50 565.00 779.00 767.50 646.50 249.50 25.50 0.00 3631.50
1933 0.00 0.00 34.50 91.50 302.00 0.00 z 836.00 811.50 636.00 432.00 54.50 0.00 3198.00
1934 0.00 9.00 246.00 312.00 537.50 531.00 914.00 927.50 644.50 403.00 98.00 1.00 4623.50
1935 0.50 3.50 19.00 152.50 287.50 669.00 785.50 812.50 689.50 254.50 3.50 0.00 3677.50
1936 0.00 2.50 98.00 260.50 474.00 702.00 880.00 854.50 588.50 290.00 29.00 0.00 4179.00
1937 0.00 0.50 34.50 151.00 410.00 635.50 896.50 867.00 723.50 379.50 40.86 a 2.50 4141.36
1938 0.00 1.00 31.00 173.00 407.00 613.00 830.50 813.00 692.00 284.50 5.00 9.00 3859.00
1939 0.00 0.00 92.00 274.50 489.50 634.00 883.50 901.50 548.00 261.50 53.00 11.00 4148.50
1940 7.50 5.50 115.00 214.50 555.00 743.50 866.00 913.50 644.50 378.50 21.00 5.00 4469.50
1941 0.00 0.00 36.00 110.00 485.00 578.00 858.00 719.00 469.00 198.00 79.50 0.50 3533.00
1942 0.00 0.00 21.00 93.50 343.00 587.50 895.00 801.50 590.50 307.00 39.50 0.50 3679.00
1943 0.00 7.50 86.50 260.69 a 456.00 565.00 867.00 821.00 734.48 a 361.00 21.00 0.00 4180.17
1944 0.00 0.00 14.00 95.50 349.50 441.00 765.50 852.50 631.50 328.50 38.50 0.00 3516.50
1945 0.00 a 0.00 10.50 178.50 396.50 546.00 871.00 809.50 680.50 355.00 43.50 0.00 3891.00
1946 0.00 3.50 26.50 268.50 377.50 123.00 838.55 a 857.50 655.50 181.00 3.00 0.50 3335.05
1947 0.00 9.50 57.50 188.50 477.50 586.00 871.00 814.00 738.00 320.50 18.00 3.50 4084.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 772.50 792.50 606.00 295.50 18.50 0.00 2485.00
1949 0.00 4.00 8.00 242.00 393.50 703.00 834.00 766.50 733.00 263.50 92.50 4.00 4044.00
1950 0.00 12.00 85.50 302.50 359.50 589.50 795.00 817.50 523.50 399.26 b 71.50 1.00 3956.76
1951 0.00 6.50 18.50 83.00 304.50 540.52 a 828.50 728.50 601.00 290.00 7.00 5.68 a 3413.70
1952 0.00 0.00 28.00 175.00 565.50 560.00 852.00 882.50 710.50 461.00 27.00 0.00 4261.50
1953 3.50 4.50 53.00 155.50 250.50 587.00 916.00 818.50 627.50 301.00 74.50 0.00 c 3791.50
1954 0.50 k 36.00 28.00 304.50 451.50 564.00 875.75 a 744.00 645.00 361.00 48.00 0.00 b 4057.75
1955 0.00 9.00 37.50 135.00 334.50 600.50 785.00 836.50 652.50 382.00 24.50 3.50 3800.50
1956 0.00 0.50 53.00 150.00 446.00 715.00 824.50 734.00 750.00 171.50 k 24.11 b 0.00 3697.11
1957 0.00 42.00 53.50 163.50 285.00 692.50 836.50 751.00 594.00 192.50 8.00 0.00 3618.50
1958 1.00 5.00 6.00 155.50 490.50 607.00 765.00 857.15 a 680.00 402.00 39.50 6.50 4015.15
1959 0.00 0.00 41.50 233.00 291.00 676.50 876.50 758.35 d 505.50 273.50 8.00 0.00 3663.85
1960 0.50 0.00 80.00 192.00 345.00 676.00 801.50 762.50 656.00 241.00 11.00 0.00 3765.50
1961 0.00 a 4.00 21.50 168.50 292.95 a 624.83 a 783.55 b 764.00 442.00 216.00 5.00 0.00 3322.33
1962 0.50 1.00 9.50 234.00 228.00 540.50 752.50 849.50 647.50 322.50 75.00 0.50 3661.00
1963 0.00 38.00 12.50 60.50 368.00 482.00 770.00 771.00 637.50 335.50 33.00 0.00 3508.00
1964 0.00 0.00 23.50 118.00 324.50 542.50 814.00 782.50 538.00 425.00 16.50 4.50 3589.00
1965 0.00 2.00 4.50 173.50 290.50 407.00 761.00 781.50 469.00 361.00 63.50 0.00 3313.50
1966 0.00 0.00 61.00 182.22 c 395.00 582.50 793.50 829.50 594.50 269.00 49.50 24.00 3780.72
1967 0.00 0.00 45.00 9.50 298.50 476.50 865.00 870.50 566.50 330.50 73.00 0.00 3535.00
1968 0.00 29.50 43.50 89.50 350.00 589.50 795.00 704.00 586.50 299.67 a 20.50 0.00 3507.67
1969 0.00 0.00 54.25 a 115.50 424.00 502.00 832.50 928.45 a 709.50 197.50 34.00 0.00 3797.70
1970 0.00 1.50 14.50 56.00 364.00 605.00 866.00 888.50 569.50 229.00 20.50 0.00 3614.50
1971 14.00 5.50 58.50 100.34 a 258.00 562.00 856.50 847.85 a 629.50 205.00 10.50 0.00 3547.69
1972 0.00 16.00 164.00 153.50 374.50 625.50 878.00 761.50 558.00 242.50 12.00 0.00 3785.50
1973 0.00 0.00 0.00 98.50 463.50 664.50 813.50 799.00 536.50 300.00 60.00 0.00 a 3735.50
1974 4.50 0.00 e 50.12 a 123.00 381.00 717.00 780.68 a 764.50 688.50 0.00 z 4.50 0.00 3513.80
1975 0.00 0.00 2.50 17.00 283.00 543.00 786.00 768.00 624.50 209.50 33.00 0.00 3266.50
1976 0.00 2.50 19.50 73.50 434.00 607.50 745.00 768.50 528.00 264.50 45.50 0.00 3488.50
1977 0.00 a 4.00 1.00 120.50 151.00 646.50 772.00 757.50 555.00 350.00 39.50 0.00 3397.00
1978 0.00 3.00 71.00 129.00 376.00 733.50 856.00 778.00 531.00 419.00 34.29 b 0.00 c 3930.79
1979 0.00 a 0.00 a 30.48 a 143.04 b 358.57 a 633.46 d 647.00 f 701.00 712.24 a 320.00 0.00 a 0.00 a 2898.79
1980 1.00 4.50 11.00 144.31 a 243.50 620.50 870.50 736.00 606.00 315.50 75.58 d 1.50 3629.89
1981 0.00 13.00 36.00 204.50 357.50 720.00 832.50 855.50 629.00 209.50 45.50 0.50 3903.50
1982 0.00 23.50 27.50 181.50 352.00 524.00 785.50 837.50 569.50 221.50 1.50 0.00 3524.00
1983 1.00 3.00 44.00 60.50 372.50 534.50 818.00 782.00 729.50 345.00 69.00 0.50 3759.50
1984 0.00 0.00 50.50 126.50 534.50 600.00 814.50 815.50 722.00 206.50 27.50 0.00 3897.50
1985 0.00 1.00 22.00 233.00 406.00 680.00 875.00 824.00 463.00 298.50 47.50 0.00 3850.00
1986 0.00 56.00 147.00 170.50 420.50 681.00 778.00 864.50 476.00 242.00 35.00 0.00 3870.50
1987 1.00 4.00 24.00 301.50 409.00 682.50 757.00 796.50 645.50 437.00 27.50 0.00 4085.50
1988 0.00 11.00 87.00 152.50 375.00 598.50 832.00 784.00 590.50 449.50 80.50 0.00 3960.50
1989 0.00 36.50 154.00 330.50 415.50 634.00 871.50 764.50 617.00 325.00 48.00 0.00 4196.50
1990 0.00 7.50 93.00 221.00 355.00 690.50 846.00 754.50 651.00 338.50 54.50 0.00 4011.50
1991 0.00 33.00 13.50 150.50 318.50 511.00 749.00 773.00 638.00 457.50 61.00 0.00 3705.00
1992 0.00 11.50 12.00 266.50 448.50 592.00 808.00 852.50 707.50 390.50 23.50 0.00 4112.50
1993 0.00 0.00 117.50 249.00 447.00 628.50 747.00 783.50 614.50 379.00 15.00 0.00 3981.00
1994 0.00 0.00 a 84.00 196.00 362.00 742.00 833.00 916.00 703.00 313.50 15.00 0.00 4164.50
1995 0.00 38.00 64.50 181.50 285.00 569.00 831.00 914.00 753.00 391.50 143.00 3.00 4173.50
1996 5.00 68.50 98.00 265.00 525.50 671.50 903.00 882.00 624.00 376.50 59.00 0.00 4478.00
1997 4.50 3.00 150.00 210.00 594.50 563.00 754.50 869.50 688.97 a 287.00 81.00 0.00 4205.97
1998 0.00 0.00 40.00 133.50 275.00 519.00 898.00 904.50 642.50 260.50 14.00 6.50 3693.50
1999 8.50 3.50 42.00 122.00 367.00 578.50 0.00 z 807.50 682.00 454.00 137.50 0.00 3202.50
2000 18.00 8.00 69.50 286.00 528.00 704.00 832.00 849.00 645.50 273.00 0.50 1.00 4214.50
2001 0.00 5.50 111.50 164.50 566.50 708.50 811.50 864.50 712.00 420.00 145.86 a 0.00 4510.36
2002 0.00 8.00 57.00 227.50 418.50 687.00 857.50 795.50 665.50 277.50 65.50 0.00 4059.50
2003 16.00 10.50 94.50 134.00 411.00 615.00 908.50 861.50 734.50 555.00 23.00 1.00 4364.50
2004 0.00 3.50 274.00 257.00 476.50 614.50 840.00 822.00 650.00 296.50 5.00 1.00 4240.00
2005 6.00 0.00 71.00 170.00 0.00 z 613.50 905.50 858.50 632.00 338.50 89.00 3.50 3687.50
2006 0.50 13.00 31.50 159.50 494.00 771.50 944.50 861.00 639.50 302.00 105.00 0.00 4322.00
2007 0.00 z 12.50 158.00 0.00 z 462.50 671.00 867.50 880.00 602.00 301.00 130.50 0.00 4085.00
2008 0.00 c 9.50 104.00 198.00 365.00 735.50 869.50 846.50 714.50 0.00 z 0.00 z 5.00 3847.50
2009 11.00 22.50 75.00 150.00 441.00 f 560.50 962.50 865.50 764.00 288.50 92.50 0.00 3792.00
2010 0.00 5.00 54.50 115.50 338.00 649.00 906.50 878.50 721.00 325.50 92.00 8.00 4093.50
2011 11.00 3.50 107.98 a 256.00 301.50 635.50 853.61 c 942.50 733.00 407.00 29.48 a 0.00 4281.07
2012 0.00 a 9.32 a 57.50 223.50 511.00 709.14 a 836.00 882.98 a 524.50 h 376.00 122.50 22.00 3749.94
2013 0.00 a 3.00 144.00 6.50 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 147.00
Period of Record Statistics
MEAN 1.48 8.75 60.24 173.48 389.52 609.25 834.43 820.16 633.58 320.53 45.24 1.69 3878.19
S.D. 3.77 13.47 52.08 70.69 89.45 92.86 50.46 56.83 75.80 76.97 35.96 4.12 324.23
SKEW 2.89 2.38 1.71 0.12 0.12 -1.83 0.09 0.04 -0.51 0.36 0.99 3.79 0.14
MAX 18.00 68.50 274.00 330.50 594.50 771.50 962.50 942.50 764.00 555.00 145.86 24.00 4623.50
MIN 0.00 0.00 0.00 9.50 151.00 123.00 745.00 701.00 442.00 181.00 0.00 0.00 3266.50
NO YRS 78 80 81 79 78 79 79 81 80 78 80 81 68