NEVADA CITY, CALIFORNIA

Monthly Total Heating Degree Days

(046136)

Base Temperature = 65 F

File last updated on Jul 24, 2006
*** 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
1914 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
1915 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
1916 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
1917 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
1918 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
1919 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
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1921 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
1922 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
1923 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
1924 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
1925 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
1926 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
1927 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
1928 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
1929 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
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 0.00 z 0.00 z 0.00
1931 660.00 523.50 539.00 328.00 137.00 107.00 1.00 0.00 191.00 343.00 635.00 803.50 4268.00
1932 818.50 668.50 508.50 525.00 257.00 74.50 51.00 26.00 10.00 273.50 384.00 874.50 4471.00
1933 846.00 730.50 602.50 479.50 481.00 169.00 0.50 6.50 120.50 114.50 398.00 639.50 4588.00
1934 617.00 493.00 323.50 285.50 187.00 110.50 22.00 0.00 136.50 247.50 469.00 659.78 a 3551.28
1935 743.50 568.00 722.50 452.00 248.50 44.50 34.00 7.50 21.00 320.00 584.50 661.50 4407.50
1936 661.00 629.50 468.50 460.00 332.50 113.00 0.00 9.00 32.50 172.00 318.00 744.50 3940.50
1937 1073.00 718.00 639.00 570.00 234.50 143.00 0.00 13.00 87.00 263.50 479.50 651.00 4871.50
1938 713.50 687.50 724.00 459.50 257.50 48.50 9.50 21.00 69.50 387.50 619.66 a 649.50 4647.16
1939 778.50 793.00 622.00 326.00 263.50 102.00 13.50 12.50 116.50 310.50 458.00 628.50 4424.50
1940 648.50 626.50 521.50 415.50 163.50 37.00 17.50 4.50 141.00 291.50 597.00 627.00 4091.00
1941 738.50 561.00 543.50 528.00 269.00 151.00 14.50 33.50 173.50 371.50 489.00 745.00 4618.00
1942 731.50 731.00 675.50 542.00 439.50 143.50 5.00 36.00 99.50 288.50 546.50 705.50 4944.00
1943 733.50 583.50 596.00 431.00 250.00 219.00 6.50 40.00 37.50 343.00 505.50 729.50 4475.00
1944 752.00 718.00 633.50 592.00 257.00 193.00 8.00 20.50 75.50 256.50 660.50 647.00 4813.50
1945 724.50 640.50 771.00 478.50 321.50 101.50 0.00 29.00 91.50 214.00 613.00 763.50 4748.50
1946 748.00 749.50 651.00 397.00 275.50 185.50 22.73 a 29.00 38.00 336.50 611.00 617.50 4661.23
1947 805.50 520.00 518.50 340.50 157.50 137.00 23.00 51.00 70.50 340.00 686.00 793.50 4443.00
1948 685.50 774.00 752.00 578.00 417.00 131.00 38.00 36.50 157.00 335.50 647.00 941.50 5493.00
1949 1093.00 885.00 727.50 346.03 a 272.50 73.50 9.50 37.50 89.50 383.00 434.00 829.50 5180.53
1950 1037.00 642.00 656.00 392.00 265.50 141.00 1.00 20.50 123.00 244.50 h 436.00 653.00 4367.00
1951 807.00 693.00 636.00 354.00 260.50 63.00 17.00 23.00 46.00 367.87 a 553.00 834.50 4654.87
1952 941.00 705.13 b 785.00 409.50 239.50 217.00 7.50 12.92 a 79.50 223.00 684.00 854.00 5158.05
1953 685.00 664.00 681.00 487.50 456.00 227.50 7.00 60.00 59.00 385.50 564.50 739.50 5016.50
1954 824.50 562.00 719.50 342.00 209.50 181.50 2.50 69.50 152.50 391.50 565.00 837.00 4857.00
1955 955.00 767.85 b 664.50 623.00 284.50 121.50 55.00 3.50 130.50 337.50 681.00 719.50 5343.35
1956 775.00 825.00 610.50 485.50 271.50 115.50 14.50 27.50 91.00 439.50 605.00 782.00 5042.50
1957 955.00 601.00 601.50 464.00 319.62 b 61.00 4.50 41.00 g 97.50 458.00 678.00 739.50 4979.62
1958 791.00 580.50 768.00 504.00 192.00 120.50 24.00 0.00 81.00 248.50 607.50 639.00 4556.00
1959 743.50 735.00 551.00 321.50 357.50 71.00 6.50 36.00 116.50 g 252.81 b 538.50 767.00 4380.31
1960 873.50 740.50 559.00 484.50 358.50 18.00 0.50 36.00 62.00 365.50 649.00 781.50 4928.50
1961 736.50 633.00 672.00 437.50 395.00 84.50 19.50 4.00 135.00 369.00 644.00 843.00 4973.00
1962 815.00 703.50 770.50 372.00 346.00 97.50 4.00 27.50 81.00 371.00 559.50 720.50 4868.00
1963 880.50 486.00 719.50 631.50 267.50 143.50 50.50 35.00 83.00 358.00 639.50 760.00 5054.50
1964 860.00 713.50 720.50 506.00 381.00 170.50 18.00 9.00 154.50 252.50 712.50 744.50 5242.50
1965 784.50 640.00 641.50 477.00 313.50 159.50 21.00 23.50 242.00 301.00 613.00 885.50 5102.00
1966 886.00 773.00 619.00 330.00 163.50 126.00 49.00 25.50 127.50 359.00 562.00 772.50 4793.00
1967 777.00 624.50 707.00 762.50 271.50 163.00 0.00 0.00 39.50 377.17 a 507.00 935.50 5164.67
1968 856.00 606.00 603.00 449.00 311.00 74.00 1.00 100.50 107.00 394.50 632.50 898.00 5032.50
1969 809.62 a 805.50 692.50 507.50 199.50 93.50 2.00 15.00 83.00 482.50 587.50 742.50 5020.62
1970 723.00 585.00 628.00 599.50 239.50 95.50 1.50 4.50 164.00 398.50 569.00 873.50 4881.50
1971 810.00 676.50 687.00 541.00 388.00 137.50 7.50 10.00 172.50 492.00 672.00 969.00 5563.00
1972 884.53 a 666.50 474.50 451.00 239.00 57.50 10.50 40.00 210.00 391.63 a 725.50 1007.00 5157.67
1973 895.50 644.50 748.50 415.50 167.00 72.00 7.00 31.50 148.00 412.00 684.50 723.00 4949.00
1974 854.00 721.50 625.50 553.00 268.50 40.00 0.00 z 17.50 38.50 314.50 617.00 841.50 4891.50
1975 809.50 715.00 726.00 692.50 268.00 90.00 35.00 47.00 32.00 474.50 700.50 754.50 5344.50
1976 795.50 0.00 z 713.00 613.00 181.50 129.50 16.00 86.50 77.00 209.50 369.00 641.50 3832.00
1977 726.50 517.00 705.50 312.50 450.00 34.00 7.00 7.50 138.00 224.00 544.50 664.50 4331.00
1978 688.50 600.50 473.50 516.50 240.00 66.21 a 5.50 44.50 151.50 139.00 638.00 851.00 4414.71
1979 849.00 705.00 591.00 471.00 188.50 49.00 22.00 31.00 13.00 280.50 574.00 640.50 4414.50
1980 652.00 559.50 670.00 432.00 328.00 171.00 26.00 8.50 52.50 267.78 b 505.34 a 610.50 4283.12
1981 638.00 586.00 662.50 386.50 221.00 30.50 0.00 2.00 63.00 421.50 526.00 674.50 4211.50
1982 892.50 618.50 701.50 525.50 191.00 123.50 28.00 5.00 148.50 343.50 654.00 784.00 5015.50
1983 671.50 603.50 644.00 565.50 272.00 57.50 64.00 59.00 87.50 231.50 610.50 738.50 4605.00
1984 643.50 661.50 516.50 486.50 178.00 85.50 0.50 3.00 31.00 433.00 655.50 804.00 4498.50
1985 732.00 588.00 728.50 290.00 233.50 50.50 6.50 14.00 159.50 269.00 657.00 601.50 4330.00
1986 530.00 533.50 412.50 428.00 250.00 28.50 4.00 0.00 252.00 215.50 420.50 658.00 3732.50
1987 781.00 582.00 601.50 228.50 182.50 33.00 49.00 8.50 21.00 98.00 524.00 822.00 3931.00
1988 711.00 457.00 481.50 385.00 319.00 125.50 0.50 2.00 29.00 66.50 581.00 731.00 3889.00
1989 758.00 697.50 571.50 282.00 250.50 40.50 5.00 14.50 73.00 275.00 401.00 562.50 3931.00
1990 715.00 723.00 501.00 277.00 269.00 93.00 3.00 35.00 34.50 141.00 495.50 825.00 4112.00
1991 662.50 384.50 772.00 492.00 354.50 98.50 0.00 12.50 9.50 185.50 455.00 654.50 4081.00
1992 661.50 536.50 507.00 295.50 55.50 88.50 24.50 5.50 0.00 z 157.00 514.00 806.50 3652.00
1993 787.50 671.50 457.50 456.00 246.50 134.00 2.50 18.50 44.50 188.50 501.00 720.00 4228.00
1994 619.00 678.50 477.00 383.50 243.00 70.50 0.00 0.00 50.50 270.00 766.00 778.00 4336.00
1995 712.00 421.00 652.00 483.50 325.00 172.50 16.00 9.50 32.50 138.00 315.00 655.00 3932.00
1996 679.00 539.00 535.00 384.50 249.50 48.00 0.00 0.00 59.50 296.50 479.50 699.50 3970.00
1997 693.50 571.00 435.50 371.00 112.50 67.50 16.00 3.00 36.50 289.50 493.00 743.00 3832.00
1998 711.50 711.50 566.50 550.50 499.50 115.00 0.50 0.00 93.50 298.00 624.00 798.50 4969.00
1999 658.50 684.00 676.00 483.50 254.00 122.00 14.00 20.00 0.00 z 101.00 451.50 670.50 4135.00
2000 707.00 653.00 555.50 322.50 235.00 51.50 20.00 2.50 93.50 312.50 658.50 638.00 4249.50
2001 766.00 709.00 461.00 523.50 56.00 37.00 2.50 0.50 12.50 112.50 474.00 796.00 3950.50
2002 789.00 531.00 591.50 239.50 h 256.78 a 19.00 0.00 5.00 48.00 210.00 430.00 739.50 3619.78
2003 527.50 589.50 531.50 616.50 268.00 21.00 0.00 5.50 12.00 61.50 661.50 768.00 4062.50
2004 769.50 678.00 309.50 321.50 204.50 35.50 0.00 0.00 59.50 317.00 593.50 678.00 3966.50
2005 788.50 532.00 509.00 495.50 277.50 0.00 z 0.00 0.00 85.00 245.50 454.50 663.00 4050.50
2006 733.00 561.00 809.00 489.00 154.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2746.50
Period of Record Statistics
MEAN 768.29 639.92 613.50 453.27 265.81 100.33 13.19 20.22 89.80 292.00 561.99 745.94 4585.10
S.D. 107.27 95.57 108.54 105.95 87.62 52.52 15.40 20.76 56.37 102.10 100.26 94.04 479.49
SKEW 0.66 -0.14 -0.50 0.23 0.39 0.42 1.48 1.54 0.72 -0.30 -0.41 0.48 -0.06
MAX 1093.00 885.00 809.00 762.50 499.50 227.50 64.00 100.50 252.00 492.00 766.00 1007.00 5563.00
MIN 527.50 384.50 309.50 228.50 55.50 18.00 0.00 0.00 9.50 61.50 315.00 562.50 3551.28
NO YRS 76 75 76 75 76 74 74 74 72 74 75 75 66