TAHOE, CALIFORNIA

Monthly Total Growing Degree Days

(048758)

Base Temperature = 40 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
1903 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
1904 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
1905 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
1906 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
1907 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
1908 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
1909 0.00 z 0.00 z 0.00 q 72.50 0.00 z 0.00 z 0.00 z 0.00 z 422.50 174.50 31.11 c 0.00 700.61
1910 34.50 1.00 25.50 118.00 261.78 d 366.00 643.00 610.18 a 416.90 a 193.48 b 59.48 a 10.50 2740.32
1911 0.00 0.00 2.50 20.50 51.50 344.00 586.50 462.50 241.55 a 81.63 a 3.21 b 0.00 1793.90
1912 0.00 0.00 0.00 3.00 113.00 280.50 522.35 a 521.50 281.50 86.00 31.55 a 0.00 1839.40
1913 0.00 0.00 a 10.50 34.00 203.05 a 277.50 542.00 558.50 412.50 159.00 33.50 0.00 2230.55
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 0.00 0.00 10.00 112.50 358.00 415.00 805.00 763.00 366.00 190.50 31.00 0.00 3051.00
1932 0.00 0.00 2.00 22.50 172.50 462.00 611.50 629.00 521.00 198.00 29.00 0.00 2647.50
1933 0.00 0.00 3.00 25.00 95.00 405.00 739.50 690.00 431.50 306.50 6.00 0.00 2701.50
1934 0.00 0.00 75.50 176.50 327.50 374.50 641.00 719.00 469.50 210.00 47.50 0.00 3041.00
1935 0.00 0.50 0.00 22.50 188.00 474.50 581.50 688.00 540.50 141.50 0.00 0.00 2637.00
1936 0.00 0.00 3.00 63.00 236.50 405.50 713.50 680.50 386.50 196.00 10.50 i 0.00 2684.50
1937 0.00 0.00 0.50 28.00 259.00 394.50 692.50 675.00 471.00 184.00 15.00 7.50 2727.00
1938 0.00 0.00 0.00 17.50 173.00 453.50 637.50 631.50 476.00 127.00 0.00 1.00 2517.00
1939 3.00 0.00 19.00 146.00 247.50 400.50 675.00 741.00 415.50 149.00 16.00 29.00 2841.50
1940 0.00 0.00 4.00 58.50 332.00 572.50 614.50 702.50 373.00 193.00 5.17 a 0.00 b 2855.17
1941 0.00 a 0.50 0.00 29.50 216.50 353.50 581.50 f 578.48 c 286.00 101.50 46.50 3.50 1615.98
1942 0.00 0.00 0.00 13.50 103.33 a 350.50 692.50 666.00 398.50 188.50 17.50 0.00 2430.33
1943 0.00 0.00 3.00 89.50 222.50 275.00 626.41 b 532.68 a 510.00 211.00 5.50 0.00 2475.60
1944 0.00 0.00 0.00 16.03 a 187.00 267.50 580.00 567.00 437.00 196.00 7.24 a 0.00 2257.78
1945 0.00 0.00 0.00 53.50 144.50 361.00 689.00 624.50 451.50 233.50 9.00 0.00 2566.50
1946 1.00 0.00 0.50 79.00 224.50 376.00 655.50 644.50 380.50 65.50 1.50 0.00 2428.50
1947 3.50 0.00 16.50 86.00 337.00 342.50 552.00 557.50 456.50 165.50 6.50 0.00 2523.50
1948 1.50 0.00 0.00 22.00 119.00 370.50 570.50 529.50 410.50 176.50 2.00 0.00 2202.00
1949 0.00 0.00 0.00 70.00 169.50 443.00 645.00 580.00 461.00 142.50 26.00 0.00 2537.00
1950 0.50 0.00 1.00 41.50 216.00 351.00 668.50 603.50 366.50 207.00 43.00 2.50 2501.00
1951 0.00 0.00 0.00 a 63.00 188.50 419.50 600.76 b 553.87 a 443.00 88.50 15.00 0.00 2372.13
1952 0.00 0.00 0.00 13.00 198.00 288.50 628.50 576.00 406.50 270.00 12.50 0.00 2393.00
1953 2.50 0.00 1.00 59.50 59.50 247.50 625.00 507.00 440.50 135.50 21.50 0.00 2099.50
1954 0.00 0.00 5.00 110.50 302.00 336.50 646.00 487.00 355.00 199.50 31.50 0.00 2473.00
1955 0.00 1.00 0.00 7.00 162.00 375.00 534.00 667.00 420.00 205.50 27.50 2.50 2401.50
1956 1.00 0.00 3.00 33.50 192.50 368.00 577.50 500.50 439.00 147.00 0.50 0.00 2262.50
1957 0.00 0.00 8.50 44.00 136.00 440.50 585.00 527.00 454.00 84.00 1.50 0.00 2280.50
1958 0.00 3.00 0.00 17.00 243.50 353.00 588.00 690.50 430.00 258.50 42.50 10.00 2636.00
1959 4.50 0.00 c 3.00 100.00 116.00 470.50 739.00 596.50 359.00 242.00 10.50 0.00 2641.00
1960 0.00 0.00 17.50 75.50 166.00 543.50 748.00 640.00 498.50 200.50 28.27 d 0.00 2917.77
1961 0.50 3.00 8.50 85.00 172.50 543.50 716.50 697.50 353.00 181.00 2.50 0.00 2763.50
1962 0.00 0.00 0.00 87.00 147.50 457.50 637.50 622.50 496.00 184.50 50.00 8.00 2690.50
1963 0.00 36.00 1.00 11.50 252.50 311.50 560.50 585.50 473.00 250.00 18.62 a 0.00 2500.12
1964 0.00 0.00 8.00 39.50 159.00 341.00 660.00 639.00 364.00 79.00 z 16.00 7.50 2234.00
1965 0.00 1.00 5.00 82.00 162.00 358.00 601.00 577.50 281.50 226.00 59.50 4.00 2357.50
1966 0.00 1.00 21.00 98.00 351.50 423.00 621.00 727.00 447.00 214.00 60.00 0.00 2963.50
1967 0.00 0.00 8.50 0.00 177.50 355.00 721.50 761.50 515.00 181.00 65.50 0.00 2785.50
1968 0.00 5.00 5.50 59.00 204.50 479.00 700.00 505.00 408.00 163.50 21.00 0.00 2550.50
1969 0.00 0.00 10.50 39.83 a 281.00 384.31 a 673.50 682.50 515.50 93.50 24.00 3.50 2708.14
1970 8.00 0.00 9.50 16.50 251.00 417.00 718.00 721.50 347.50 156.00 32.00 0.00 2677.00
1971 0.00 3.00 7.50 17.50 127.00 363.00 700.00 739.00 382.00 148.00 16.00 0.00 h 2503.00
1972 0.00 1.00 46.00 44.50 253.00 483.00 712.50 661.00 358.00 150.00 1.50 2.50 2713.00
1973 0.00 0.00 0.00 45.50 308.00 433.50 617.50 582.00 372.50 164.50 28.00 0.00 2551.50
1974 2.50 0.00 8.50 13.50 239.50 491.00 602.50 600.50 498.00 215.50 17.00 0.00 2688.50
1975 0.50 0.00 0.00 2.00 153.50 385.00 601.00 546.50 525.00 155.00 37.50 1.00 2407.00
1976 0.00 0.00 8.50 22.50 252.50 348.50 627.50 424.00 409.00 170.50 55.00 0.00 2318.00
1977 0.00 2.00 1.00 0.00 z 71.00 496.50 603.97 b 606.50 384.83 a 231.50 36.00 8.50 2441.79
1978 0.00 0.00 24.50 23.00 165.00 358.50 636.50 0.00 z 308.00 317.50 15.00 0.00 1848.00
1979 0.00 1.00 2.50 48.00 271.50 424.00 609.50 598.00 520.00 283.50 6.00 10.00 2774.00
1980 0.50 3.00 2.00 79.00 163.00 301.50 620.00 597.50 417.50 217.00 74.00 4.50 2479.50
1981 7.00 2.00 5.50 103.00 227.50 527.50 651.50 733.50 548.00 121.50 34.00 13.00 2974.00
1982 0.00 8.00 2.00 24.50 215.00 338.50 588.50 641.50 352.50 135.00 8.50 4.50 2318.50
1983 0.00 0.50 0.00 5.50 181.00 383.00 504.00 620.00 451.00 224.00 37.00 3.00 2409.00
1984 0.00 2.50 24.50 38.50 288.50 386.00 745.50 692.50 494.00 113.50 14.50 0.00 2800.00
1985 0.00 0.00 7.50 119.00 229.00 552.50 727.00 603.50 308.50 185.00 33.00 0.00 2765.00
1986 7.00 2.00 52.50 79.00 268.00 520.00 621.00 721.00 279.00 157.00 49.50 1.00 2757.00
1987 2.00 0.00 12.00 182.00 299.50 513.00 568.00 696.50 517.00 328.00 40.50 10.50 3169.00
1988 1.00 3.00 37.50 93.00 244.50 473.00 754.50 738.50 502.50 371.50 59.50 0.00 3278.50
1989 0.00 15.50 27.50 165.00 230.50 463.50 688.50 573.00 423.50 187.50 36.50 0.50 2811.50
1990 6.50 0.00 30.00 158.00 202.00 424.50 721.00 633.00 508.00 293.50 56.00 7.50 3040.00
1991 0.50 12.00 0.00 36.00 138.50 387.00 703.50 685.00 529.50 356.00 57.50 2.50 2908.00
1992 0.00 2.00 21.50 195.50 430.50 485.50 611.00 706.00 513.50 306.00 44.00 1.50 3317.00
1993 0.00 0.00 16.50 71.50 293.50 360.50 568.00 622.00 467.50 208.00 33.50 2.50 2643.50
1994 5.50 0.50 29.50 117.00 279.00 472.50 753.50 720.50 483.50 165.00 10.50 0.00 3037.00
1995 0.00 3.00 6.00 25.50 147.00 347.00 596.50 633.00 500.50 268.00 120.00 26.00 2672.50
1996 6.50 11.00 14.00 83.50 208.50 454.50 734.00 664.00 419.50 220.00 40.50 5.50 2861.50
1997 9.50 1.00 53.00 80.50 345.00 421.50 613.00 667.50 464.50 170.00 55.00 0.00 2880.50
1998 2.50 0.00 17.00 48.00 67.50 341.50 679.50 694.50 475.50 144.00 16.00 0.00 2486.00
1999 0.50 0.00 7.00 38.50 208.00 405.00 663.00 584.00 470.50 290.50 100.00 0.00 2767.00
2000 1.50 4.00 11.00 106.00 287.50 516.00 622.50 698.00 420.50 211.50 7.00 1.50 2887.00
2001 0.00 0.50 42.50 74.00 420.00 514.50 672.50 751.00 552.50 362.50 70.50 0.00 3460.50
2002 3.00 4.00 15.50 115.00 234.50 522.50 779.00 664.00 495.00 202.50 21.50 0.00 3056.50
2003 10.50 1.50 39.50 29.50 267.50 517.00 766.00 671.50 521.50 382.50 6.50 7.50 3221.00
2004 0.00 0.00 67.00 104.50 247.50 486.00 714.50 663.50 437.00 194.50 11.50 1.50 2927.50
2005 0.00 0.00 4.00 31.50 205.00 338.00 767.00 688.00 360.50 183.00 44.00 6.50 2627.50
2006 0.00 3.50 2.50 41.50 275.00 522.50 758.50 624.00 450.00 171.50 64.00 4.50 2917.50
2007 0.00 3.00 45.00 99.00 294.50 483.50 707.50 722.00 408.50 152.50 55.50 13.00 2984.00
2008 0.00 0.00 8.50 62.50 217.50 456.00 719.50 740.50 483.00 212.00 34.00 6.00 2939.50
2009 0.00 0.00 10.00 65.00 332.50 401.00 715.00 643.50 577.00 142.50 38.00 0.00 2924.50
2010 0.00 0.00 13.50 27.50 78.00 421.50 723.00 610.00 459.50 234.50 0.00 z 3.00 2570.50
2011 0.00 0.52 a 2.67 b 28.00 106.90 b 340.50 618.00 569.76 b 42.00 z 235.00 15.00 a 1.55 a 1917.90
2012 3.50 1.55 a 10.50 108.00 262.00 444.00 685.50 773.50 573.50 278.00 50.00 0.00 3190.05
2013 1.00 0.00 39.50 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 40.50
Period of Record Statistics
MEAN 1.52 1.65 12.27 61.78 216.47 410.84 654.55 635.58 435.48 197.88 30.15 2.78 2679.24
S.D. 4.26 4.57 16.12 44.83 79.14 74.87 66.89 75.89 72.52 67.26 23.33 5.14 316.75
SKEW 5.72 5.54 1.88 0.92 0.19 0.08 0.05 -0.38 -0.42 0.66 1.06 2.98 -0.17
MAX 34.50 36.00 75.50 195.50 430.50 572.50 805.00 773.50 577.00 382.50 120.00 29.00 3460.50
MIN 0.00 0.00 0.00 0.00 51.50 247.50 504.00 424.00 241.55 65.50 0.00 0.00 1793.90
NO YRS 87 87 87 86 86 86 85 85 86 86 85 86 78