CUYAMACA, CALIFORNIA

Monthly Total Heating Degree Days

(042239)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201301
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
1899 861.50 786.50 775.00 512.00 539.50 189.00 30.50 103.50 z 65.50 557.00 653.50 768.50 5738.50
1900 786.88 a 708.00 650.50 764.00 392.00 66.50 2.50 62.55 c 0.00 z 425.50 0.00 z 764.00 4622.44
1901 895.00 757.50 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 1652.50
1902 0.00 z 0.00 z 917.00 567.00 513.00 181.50 157.50 111.50 197.68 b 519.00 774.50 883.00 4821.68
1903 845.50 1017.85 a 798.50 711.50 471.00 169.50 65.50 56.50 237.00 433.00 551.50 855.50 6212.85
1904 897.50 729.14 a 723.50 598.50 419.50 140.00 62.50 32.50 253.00 501.00 624.50 866.00 5847.64
1905 785.50 790.00 742.50 636.00 630.00 246.50 36.50 23.50 0.00 z 0.00 z 792.50 973.00 5656.00
1906 901.50 748.50 839.00 677.00 552.50 209.50 7.00 88.50 210.50 356.50 795.00 886.00 6271.50
1907 1011.50 654.00 843.00 610.00 523.50 307.00 h 62.00 71.00 0.00 z 0.00 z 0.00 z 0.00 z 3775.00
1908 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 5.00 61.00 233.00 465.52 a 515.17 a 765.70 a 2045.39
1909 691.00 697.00 774.50 440.50 353.50 43.89 c 2.50 3.00 41.00 f 264.00 550.18 b 449.00 o 3820.07
1910 819.90 b 649.50 0.00 z 317.22 c 0.00 z 0.00 z 0.00 z 0.00 z 3.50 279.00 534.50 639.50 3243.12
1911 656.50 808.50 581.50 533.00 378.50 85.00 0.50 1.00 45.00 442.00 630.00 932.00 5093.50
1912 761.50 709.50 867.50 672.50 367.50 101.50 9.50 j 49.50 75.50 p 476.00 539.00 824.00 5368.50
1913 936.50 0.00 z 802.00 495.00 284.50 183.00 53.00 8.50 71.00 338.00 596.50 821.50 4589.50
1914 702.00 643.00 544.50 464.00 344.00 100.00 0.00 z 0.00 z 53.50 0.00 z 487.50 924.50 4263.00
1915 817.00 709.00 582.50 514.00 451.50 0.00 z 0.00 z 6.50 115.50 214.50 546.50 741.00 4698.00
1916 899.00 587.50 459.00 371.00 301.50 76.50 6.00 56.50 78.50 519.50 566.50 854.00 4775.50
1917 995.00 770.00 0.00 z 585.50 0.00 z 84.00 0.00 0.50 40.50 109.00 439.50 616.00 3640.00
1918 794.50 681.00 612.00 467.00 456.00 15.50 3.50 50.00 50.50 246.50 620.00 821.50 4818.00
1919 774.00 790.00 784.50 448.50 291.00 89.00 0.00 0.00 32.00 266.50 605.00 703.00 4783.50
1920 615.00 613.00 669.50 433.00 246.00 39.00 2.00 0.00 412.00 722.50 845.50 908.00 5505.50
1921 1018.00 729.50 640.00 617.88 d 746.07 a 190.00 39.50 31.00 136.00 144.50 565.50 607.00 5464.95
1922 879.50 671.50 805.50 481.50 229.50 f 38.00 11.50 55.50 56.50 360.00 710.50 697.50 4767.50
1923 786.50 779.50 639.50 740.00 308.00 311.50 40.00 10.50 297.00 651.00 a 749.00 907.27 a 6219.77
1924 975.00 638.50 814.00 570.50 198.00 51.72 a 2.00 22.00 82.50 486.38 b 611.00 1018.00 5469.60
1925 762.50 610.00 617.00 540.50 445.00 149.50 2.07 a 23.52 b 86.25 b 522.50 627.00 787.00 5172.83
1926 885.57 a 566.50 519.00 402.00 265.00 18.00 14.00 0.00 c 57.00 229.83 b 305.00 f 802.00 3758.89
1927 655.13 a 558.50 632.00 421.00 279.50 262.76 a 0.00 1.00 90.00 237.15 a 445.50 782.23 a 4364.77
1928 706.05 b 673.00 523.50 373.50 203.00 42.50 5.00 0.00 z 20.00 f 306.38 a 557.07 a 0.00 z 3390.00
1929 847.33 a 827.00 687.50 598.93 b 174.50 123.50 0.00 0.00 106.00 336.50 607.24 a 685.00 4993.50
1930 916.50 483.50 593.50 286.03 a 396.50 41.50 1.55 a 0.00 155.00 293.50 398.00 722.82 a 4288.40
1931 644.50 601.50 377.50 264.00 97.13 a 41.50 0.00 0.00 36.00 250.00 634.82 b 832.50 3779.45
1932 805.00 760.00 463.97 a 381.50 201.50 116.00 3.00 22.00 45.00 295.00 383.50 865.50 4341.97
1933 863.50 625.50 491.00 569.00 445.50 67.00 0.50 1.50 46.00 140.00 424.50 662.50 4336.50
1934 700.50 609.00 345.50 287.50 126.00 211.03 a 8.50 0.50 106.50 275.00 507.50 721.50 3899.03
1935 832.00 619.50 746.07 a 544.50 368.00 20.00 39.78 a 2.00 38.00 318.00 653.00 758.00 4938.85
1936 747.50 656.00 556.50 337.50 211.00 62.50 16.00 1.00 137.50 516.50 580.00 776.00 4598.00
1937 1171.50 732.50 764.00 405.50 218.00 38.00 1.00 1.00 20.50 258.00 456.50 596.00 4662.50
1938 703.00 721.50 759.50 542.00 280.50 84.50 15.00 10.00 45.00 394.50 579.11 b 616.00 4750.61
1939 722.00 770.50 628.00 0.00 z 265.00 75.50 4.00 0.00 83.00 312.50 432.00 518.00 3810.50
1940 642.00 653.50 522.50 419.00 199.00 59.00 2.00 0.00 50.00 251.50 538.00 603.00 3939.50
1941 744.52 a 604.50 621.50 598.00 202.50 132.50 14.00 22.00 135.00 a 363.00 413.50 693.00 4544.02
1942 690.50 716.50 676.00 544.00 348.23 a 71.50 2.00 27.00 59.00 334.50 459.50 636.00 4564.73
1943 747.50 673.00 620.00 450.50 269.50 187.00 1.50 8.50 22.00 273.00 529.50 815.00 4597.00
1944 851.50 831.68 a 739.50 564.50 436.00 316.00 52.50 0.00 78.50 293.50 733.50 785.85 a 5683.03
1945 828.50 678.00 852.00 494.00 345.50 148.00 0.00 1.00 120.00 269.70 a 570.54 b 698.53 a 5005.77
1946 758.98 a 695.33 a 662.88 a 391.00 301.00 45.00 12.50 0.00 37.50 468.50 668.50 650.50 4691.70
1947 833.00 576.00 590.55 a 456.50 243.87 a 128.50 5.50 42.88 a 42.93 a 300.70 a 695.00 865.93 a 4781.36
1948 686.65 a 808.38 a 815.00 498.10 a 353.40 a 138.62 a 8.50 25.00 131.00 343.50 668.00 921.50 5397.65
1949 1219.85 a 901.50 766.50 375.50 361.15 a 85.00 21.00 71.00 64.00 477.00 469.00 829.50 5641.00
1950 952.50 590.00 619.40 e 390.50 414.50 184.50 27.50 22.50 201.50 242.50 449.00 585.50 4679.90
1951 814.00 697.00 663.50 522.50 330.50 212.50 6.00 60.00 46.00 347.00 614.00 831.50 5144.50
1952 896.42 a 721.00 854.00 517.00 188.50 211.00 15.50 5.00 73.00 174.50 698.00 846.00 5199.92
1953 604.00 681.00 700.50 560.50 543.50 193.00 0.00 69.00 81.50 325.00 484.00 716.50 4958.50
1954 801.50 549.50 757.00 360.50 210.00 181.50 2.50 52.00 j 43.50 292.50 464.00 743.50 4406.00
1955 1010.50 775.00 610.00 533.00 432.00 201.50 70.50 15.50 135.00 233.00 543.00 665.00 5224.00
1956 699.00 839.00 581.00 611.00 368.00 106.50 29.50 52.00 21.00 427.00 566.67 c 694.50 4995.17
1957 840.50 542.00 614.50 528.00 477.00 96.00 4.00 31.50 90.50 423.50 697.00 681.00 5025.50
1958 737.00 591.50 812.50 481.00 190.50 124.00 14.50 0.00 59.00 229.50 579.50 577.50 4396.50
1959 690.50 781.50 528.00 372.00 379.00 54.50 0.00 26.50 115.50 262.00 479.00 700.50 4389.00
1960 978.50 752.00 502.00 426.00 364.00 11.50 7.50 14.50 39.00 355.50 626.50 802.50 4879.50
1961 736.50 610.50 668.00 315.00 l 404.00 97.00 17.00 9.50 156.00 338.00 660.00 800.00 4496.50
1962 816.50 709.50 835.00 312.00 411.00 154.50 26.50 5.00 54.00 324.50 515.50 735.00 4899.00
1963 882.00 455.78 a 706.28 a 648.50 302.50 213.00 14.50 6.00 67.00 262.50 543.50 754.00 4855.56
1964 830.00 746.50 816.00 614.00 435.00 184.00 0.50 15.00 89.00 161.00 713.00 696.98 a 5300.98
1965 732.50 661.50 763.00 564.00 361.50 280.50 10.50 15.00 214.50 193.00 521.50 804.00 5121.50
1966 862.50 768.00 562.00 344.00 224.50 100.00 7.50 3.50 56.00 293.00 518.00 695.00 4434.00
1967 707.50 589.00 611.50 755.00 360.50 236.00 0.00 0.00 m 72.50 k 239.00 474.00 932.77 c 4905.27
1968 808.50 509.50 613.50 525.50 322.50 121.50 n 0.50 h 60.00 92.00 298.50 540.00 866.00 4636.00
1969 549.50 f 751.00 680.50 388.00 0.00 z 0.00 z 0.00 z 4.50 g 38.50 379.50 472.00 494.00 g 2709.50
1970 685.50 412.50 i 379.50 j 608.00 271.00 128.50 1.50 0.00 101.50 368.00 533.28 a 854.50 3551.78
1971 797.00 625.00 574.50 590.50 456.50 191.00 11.00 2.50 129.50 490.50 595.00 923.00 5386.00
1972 801.00 579.50 405.50 432.00 289.00 90.00 9.00 27.50 108.50 401.00 665.00 827.50 4635.50
1973 885.00 729.00 876.00 555.00 a 274.50 106.00 20.50 33.50 115.00 351.50 609.50 653.00 5208.50
1974 822.00 659.50 634.50 526.00 336.00 53.00 14.50 28.50 24.00 323.95 a 545.50 792.00 4759.45
1975 721.00 705.50 764.00 768.00 356.00 116.00 10.50 29.50 37.00 397.00 551.00 717.50 5173.00
1976 708.87 a 648.50 714.50 618.50 286.00 117.00 17.00 84.00 142.00 310.50 478.00 743.50 4868.37
1977 776.00 566.50 799.50 457.00 546.50 79.50 12.00 15.00 103.50 249.00 446.50 555.50 4606.50
1978 709.50 630.50 573.00 580.50 322.00 60.50 28.00 13.00 130.50 185.00 641.38 a 859.00 4732.88
1979 899.50 782.50 704.50 468.00 339.00 81.00 30.50 55.50 11.00 268.50 599.50 650.00 4889.50
1980 673.00 563.50 711.50 488.50 514.50 121.00 8.50 52.00 45.00 282.00 444.50 571.00 4475.00
1981 646.00 559.50 688.50 394.50 304.00 13.50 2.00 0.50 45.50 445.00 472.50 635.50 4207.00
1982 832.50 601.00 717.00 511.50 404.00 258.00 84.00 22.50 219.00 474.50 662.00 804.50 5590.50
1983 704.00 641.00 665.00 659.50 335.50 156.00 38.00 48.50 54.50 262.00 538.00 656.50 4758.50
1984 655.00 613.00 515.50 505.00 147.00 148.50 17.00 1.50 50.50 439.50 635.00 844.50 4572.00
1985 804.50 680.00 720.00 361.50 314.00 93.00 2.50 24.50 248.50 356.00 636.50 692.50 4933.50
1986 570.50 621.50 528.50 462.00 292.50 61.00 22.00 0.00 240.00 400.50 494.00 719.50 4412.00
1987 806.00 690.50 750.50 346.00 323.00 52.00 62.00 35.00 60.50 245.50 584.50 862.00 4817.50
1988 760.00 564.00 528.00 493.00 371.00 122.50 0.50 16.00 124.50 143.00 523.50 812.50 4458.50
1989 866.50 709.00 491.50 285.50 326.00 128.00 0.00 65.50 82.00 369.50 500.00 718.00 4541.50
1990 796.50 821.50 640.00 481.00 479.00 139.50 1.50 62.50 117.00 294.00 584.50 938.00 5355.00
1991 789.50 552.00 846.00 550.00 405.50 195.50 32.50 24.50 68.00 227.50 511.50 781.50 4984.00
1992 796.50 622.00 678.50 361.00 219.00 154.50 59.00 12.00 29.50 285.50 585.50 846.00 4649.00
1993 769.50 711.50 562.00 383.50 244.50 138.50 59.00 31.50 106.00 276.50 585.00 749.50 4617.00
1994 676.50 713.50 576.50 476.50 346.00 60.00 0.00 z 0.00 58.50 420.50 789.50 829.00 4946.50
1995 881.50 541.50 599.50 531.50 512.00 207.50 11.00 0.00 22.00 246.50 405.00 668.50 4626.50
1996 677.00 593.50 608.50 425.00 246.50 105.50 0.00 10.00 96.50 326.50 529.50 670.00 4288.50
1997 718.50 627.00 486.00 483.50 76.00 119.50 18.50 0.50 28.50 352.50 0.00 z 0.00 z 2910.50
1998 703.00 723.00 0.00 z 631.00 0.00 z 0.00 z 0.00 z 0.00 141.50 401.50 559.00 786.00 3945.00
1999 664.50 659.50 691.50 665.00 361.00 163.00 3.00 35.00 86.00 197.50 490.00 718.50 4734.50
2000 680.50 687.50 665.00 395.00 219.00 59.00 30.50 f 13.50 111.00 458.50 715.50 643.00 4647.50
2001 863.50 762.50 587.50 600.52 a 152.50 33.50 10.00 3.50 13.00 225.00 559.50 830.50 4641.52
2002 783.00 604.00 691.50 431.50 312.50 41.50 0.00 4.50 64.50 433.00 500.00 815.00 4681.00
2003 523.00 639.00 586.50 613.50 309.00 0.00 z 0.50 0.00 19.50 60.50 k 616.50 702.50 4010.00
2004 725.00 700.50 336.00 381.00 198.00 59.00 18.00 9.00 92.00 0.00 z 639.00 715.50 3873.00
2005 720.00 660.50 628.00 504.50 278.00 148.00 0.00 0.00 125.50 300.00 435.50 633.50 4433.50
2006 671.00 597.00 0.00 z 589.50 216.00 38.00 2.50 11.00 98.50 313.50 462.00 730.50 3729.50
2007 854.00 651.50 538.00 458.50 279.00 83.00 0.00 3.00 171.00 362.00 472.00 836.50 4708.50
2008 815.00 709.50 551.00 448.00 416.00 82.50 0.00 0.00 17.50 263.50 452.00 776.50 4531.50
2009 664.00 660.50 611.00 514.50 114.50 214.00 0.00 13.50 26.00 410.00 542.00 779.50 4549.50
2010 730.00 657.00 656.50 588.33 c 433.00 101.00 19.00 37.00 93.00 355.00 621.50 657.00 4948.33
2011 663.50 738.50 635.00 462.50 456.00 178.00 22.50 4.50 49.50 314.00 570.50 827.50 4922.00
2012 607.50 655.50 617.00 493.50 197.50 88.50 6.50 0.00 14.00 259.00 478.50 711.50 4129.00
2013 766.50 698.50 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 1465.00
Period of Record Statistics
MEAN 786.92 676.56 655.03 500.04 334.59 120.98 16.61 21.72 92.98 334.47 566.53 759.87 4852.57
S.D. 114.17 89.22 120.07 110.59 117.70 69.23 23.60 24.60 69.48 108.14 96.47 101.33 487.07
SKEW 0.83 0.46 -0.18 0.17 0.44 0.61 2.83 1.23 1.67 0.70 0.52 0.01 0.73
MAX 1219.85 1017.85 917.00 768.00 746.07 316.00 157.50 111.50 412.00 722.50 845.50 1018.00 6271.50
MIN 523.00 455.78 336.00 264.00 76.00 11.50 0.00 0.00 3.50 109.00 383.50 518.00 3779.45
NO YRS 112 111 107 110 107 105 104 106 106 108 109 108 83