MOUNT SHASTA, CALIFORNIA

Monthly Total Growing Degree Days

(045983)

Base Temperature = 50 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201012
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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 441.50 405.50 278.50 88.00 0.00 0.00 1213.50
1949 0.00 0.00 0.00 83.00 176.50 353.50 551.50 449.50 358.50 66.50 57.00 0.00 2096.00
1950 0.00 0.00 8.50 40.00 236.50 302.50 634.50 597.50 343.00 93.50 22.50 0.50 2279.00
1951 0.00 0.00 1.00 92.50 170.50 427.50 561.50 555.50 440.00 57.50 3.00 0.00 2309.00
1952 0.00 0.00 9.50 60.50 172.50 220.50 629.00 524.50 451.00 249.50 3.00 0.00 2320.00
1953 0.00 1.50 1.00 54.00 44.50 167.00 579.50 437.00 453.00 92.00 2.00 1.00 1832.50
1954 0.00 0.50 0.00 85.50 213.50 230.50 530.00 354.50 215.50 48.50 4.00 0.00 1682.50
1955 0.00 0.00 1.50 1.50 158.50 317.50 403.50 571.00 332.50 149.00 8.50 0.00 1943.50
1956 0.00 0.00 0.50 44.00 175.00 279.50 572.50 442.00 303.00 74.00 16.00 0.00 1906.50
1957 0.00 0.00 1.00 41.50 129.50 381.50 464.00 399.00 348.00 5.00 0.00 0.00 1769.50
1958 0.00 0.00 0.00 23.50 226.00 296.50 576.00 643.00 319.00 213.50 23.50 9.00 2330.00
1959 0.00 0.00 1.00 66.00 78.50 383.50 644.50 542.50 252.50 149.00 7.00 0.00 2124.50
1960 0.00 0.00 43.50 25.00 100.00 485.00 689.00 525.50 431.00 122.00 2.50 0.00 2423.50
1961 0.00 0.00 1.50 49.50 73.00 472.00 593.00 576.50 235.00 162.50 1.50 0.00 2164.50
1962 0.00 0.00 0.00 81.00 76.50 343.50 552.00 478.50 395.50 91.50 21.00 0.00 2039.50
1963 0.00 3.50 0.00 5.50 222.00 251.50 419.00 485.00 396.00 92.00 0.00 0.00 1874.50
1964 0.00 0.00 3.00 23.00 104.00 243.00 514.50 475.50 262.50 179.00 0.00 2.00 1806.50
1965 0.50 0.00 2.00 54.50 126.50 284.00 521.50 463.50 252.50 226.50 6.00 0.00 1937.50
1966 0.00 0.00 40.00 89.00 243.00 340.50 461.50 582.50 345.00 128.00 13.00 0.00 2242.50
1967 0.00 0.00 0.00 0.00 197.00 351.50 607.00 666.00 437.00 65.50 22.00 0.00 2346.00
1968 0.00 1.50 11.50 46.50 121.00 366.50 606.00 365.00 334.00 76.00 3.00 0.00 1931.00
1969 0.00 0.00 6.00 16.00 276.50 354.50 571.00 550.00 360.50 26.50 12.00 0.00 2173.00
1970 0.00 0.00 4.00 0.00 224.50 404.00 612.00 536.50 259.50 112.00 6.00 0.00 2158.50
1971 0.00 4.50 0.00 5.50 96.50 276.50 593.50 594.00 261.00 140.00 0.00 0.00 1971.50
1972 0.00 0.00 20.00 9.00 207.00 409.00 588.50 555.50 235.00 92.50 0.00 0.00 2116.50
1973 0.00 0.00 0.00 53.00 277.50 404.50 653.50 500.00 295.50 67.00 0.50 0.00 2251.50
1974 0.00 0.00 1.50 14.50 189.50 416.00 500.00 516.00 455.50 121.50 1.50 0.00 2216.00
1975 0.00 0.00 0.00 1.00 197.50 340.00 524.00 433.00 448.50 74.50 3.50 0.00 2022.00
1976 0.00 0.00 8.50 16.00 188.00 262.50 571.00 350.00 357.00 120.00 25.50 0.00 1898.50
1977 0.00 1.00 0.00 45.00 39.00 480.00 541.00 556.00 233.50 75.00 0.00 0.00 1970.50
1978 0.00 0.00 22.00 12.00 87.50 271.50 520.00 475.00 164.00 142.00 1.00 0.00 1695.00
1979 0.00 0.00 2.00 5.00 185.50 322.00 536.00 420.00 374.00 157.50 0.00 0.00 2002.00
1980 0.00 0.00 0.00 48.00 124.50 180.00 536.50 462.50 297.50 165.50 17.00 0.50 1832.00
1981 0.50 0.00 1.50 76.00 142.00 378.50 528.00 588.00 368.00 43.50 2.00 0.00 2128.00
1982 0.00 0.00 0.00 13.00 163.50 311.50 431.00 500.50 209.50 54.00 0.00 0.00 1683.00
1983 0.00 0.00 0.00 3.00 213.00 274.50 363.50 487.50 320.50 105.00 1.50 0.00 1768.50
1984 0.00 0.00 0.00 21.50 184.50 290.50 628.50 525.50 337.80 e 55.50 0.00 0.00 2043.80
1985 0.00 0.00 0.50 123.50 125.00 449.50 630.00 430.00 170.00 69.00 0.00 0.00 1997.50
1986 0.00 16.00 39.00 37.00 206.50 472.50 445.00 551.00 187.00 68.00 0.00 0.00 2022.00
1987 0.00 0.00 0.00 101.00 234.00 416.00 391.00 515.50 304.50 164.00 1.50 0.00 2127.50
1988 0.00 3.50 3.50 48.00 118.00 342.00 633.50 524.50 313.50 208.00 3.50 0.00 2198.00
1989 0.00 0.00 0.50 126.00 129.50 357.00 446.50 401.00 262.50 65.00 0.00 0.00 1788.00
1990 0.00 0.00 5.00 95.50 82.00 291.00 561.50 452.50 308.50 87.50 3.50 0.00 1887.00
1991 0.00 0.00 1.50 1.50 72.50 233.50 595.50 468.50 436.50 230.00 22.50 0.00 2062.00
1992 0.00 0.00 9.00 78.00 350.50 414.00 489.00 535.50 313.50 117.50 4.00 0.00 2311.00
1993 0.00 0.00 1.00 15.50 145.00 271.50 405.00 398.00 301.00 80.00 0.00 0.00 1617.00
1994 0.00 0.00 5.50 51.00 186.50 290.00 625.00 472.50 345.50 44.00 0.00 0.00 2020.00
1995 0.00 0.50 0.00 22.50 146.50 276.50 474.00 423.50 321.50 108.50 24.00 0.00 1797.50
1996 0.00 3.00 6.50 49.00 102.50 334.50 589.00 530.00 227.00 124.00 2.50 0.00 1968.00
1997 1.00 0.00 15.00 34.50 260.00 269.50 478.00 450.00 262.50 43.50 7.00 0.00 1821.00
1998 0.00 0.00 3.50 48.00 34.50 260.00 554.50 546.00 363.50 31.00 0.00 0.00 1841.00
1999 0.00 0.00 0.00 41.00 153.00 307.50 446.50 462.00 349.50 116.50 15.00 0.00 1891.00
2000 0.00 0.00 1.50 79.50 164.00 415.50 451.50 498.00 275.00 82.00 0.00 0.00 1967.00
2001 0.00 0.00 19.00 38.00 306.00 323.50 510.50 553.00 352.50 131.50 0.00 0.00 2234.00
2002 0.00 0.00 12.00 62.50 155.00 381.00 601.00 501.50 343.50 89.00 3.50 0.00 2149.00
2003 0.00 0.00 16.00 7.50 192.00 454.50 646.00 492.00 366.50 194.00 0.00 0.00 2368.50
2004 0.00 0.00 51.50 63.00 127.00 369.00 579.50 508.50 283.00 106.50 0.00 0.00 2088.00
2005 0.00 0.00 22.50 9.50 148.50 227.50 634.50 588.00 278.50 89.50 0.00 0.00 1998.50
2006 0.00 0.00 0.00 51.50 200.50 451.00 641.00 511.00 358.50 58.50 8.50 0.00 2280.50
2007 0.00 1.00 35.13 a 72.50 245.50 360.50 618.00 536.50 282.00 36.00 4.50 0.00 2191.63
2008 0.00 0.00 0.00 29.00 197.50 364.00 611.50 583.50 416.00 121.00 6.50 0.00 2329.00
2009 0.00 0.00 1.00 51.50 266.00 332.50 642.50 532.50 474.00 85.00 10.00 0.00 2395.00
2010 0.00 0.00 1.50 14.50 52.00 218.50 k 254.50 s 181.00 s 0.00 z 0.00 z 5.00 q 1.00 69.00
2011 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
2012 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 147.25 c 13.00 0.00 a 160.25
2013 0.00 0.00 11.50 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 11.50
Period of Record Statistics
MEAN 0.03 0.58 7.19 42.83 165.18 336.67 547.57 500.88 323.49 106.00 6.60 0.22 2043.25
S.D. 0.15 2.18 11.92 31.91 68.25 76.22 78.01 68.02 75.01 53.52 9.91 1.16 203.96
SKEW 5.12 5.91 2.16 0.58 0.19 0.05 -0.48 -0.12 0.06 0.72 2.59 7.04 -0.04
MAX 1.00 16.00 51.50 126.00 350.50 485.00 689.00 666.00 474.00 249.50 57.00 9.00 2423.50
MIN 0.00 0.00 0.00 0.00 34.50 167.00 363.50 350.00 164.00 5.00 0.00 0.00 1617.00
NO YRS 63 63 63 62 62 61 62 62 62 63 63 64 61