MT SHASTA, CALIFORNIA

Monthly Total Snowfall (Inches)

(045983)

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.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
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) JUL AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN ANN
1947-48 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
1948-49 0.00 0.00 0.00 3.00 0.60 35.50 12.30 20.90 20.30 0.00 0.00 0.00 92.60
1949-50 0.00 0.00 0.00 0.00 0.00 4.40 61.10 21.40 5.80 13.60 0.00 0.00 106.30
1950-51 0.00 0.00 0.00 0.00 6.00 13.00 46.60 19.30 6.00 0.00 0.00 0.00 90.90
1951-52 0.00 0.00 0.00 0.00 7.80 31.90 119.80 10.40 67.00 0.00 0.00 0.00 236.90
1952-53 0.00 0.00 0.00 0.00 14.70 137.70 9.10 1.00 44.50 6.50 4.70 0.00 218.20
1953-54 0.00 0.00 0.00 0.00 4.00 3.20 74.00 6.20 21.70 0.20 0.00 0.00 109.30
1954-55 0.00 0.00 0.00 0.00 0.00 35.40 41.80 13.00 0.20 40.10 0.00 0.00 130.50
1955-56 0.00 0.00 0.00 0.00 26.20 22.90 28.20 54.80 2.90 0.00 0.00 0.00 135.00
1956-57 0.00 0.00 0.00 5.00 0.50 2.60 51.70 7.00 9.00 2.00 0.00 0.00 77.80
1957-58 0.00 0.00 0.00 0.00 3.00 17.90 31.20 19.80 42.50 48.60 0.00 0.00 163.00
1958-59 0.00 0.00 0.00 0.00 0.90 0.00 45.60 73.20 4.60 0.00 1.40 0.00 125.70
1959-60 0.00 0.00 0.00 0.00 0.00 2.20 25.80 17.00 12.40 18.90 16.40 0.00 92.70
1960-61 0.00 0.00 0.00 0.00 28.10 8.40 0.60 3.00 40.20 9.20 0.00 0.00 89.50
1961-62 0.00 0.00 0.00 0.00 35.30 16.70 19.90 33.50 30.70 0.00 1.50 0.00 137.60
1962-63 0.00 0.00 0.00 0.00 0.80 0.00 11.10 0.00 35.20 17.30 0.00 0.00 64.40
1963-64 0.00 0.00 0.00 0.00 17.60 2.00 36.70 6.50 28.90 1.20 2.70 0.00 95.60
1964-65 0.00 0.00 0.00 0.00 17.50 31.70 26.60 1.70 0.00 14.40 0.10 0.00 92.00
1965-66 0.00 0.00 0.00 0.00 14.30 48.70 72.50 21.00 6.70 0.00 0.00 0.00 163.20
1966-67 0.00 0.00 0.00 0.00 6.70 9.20 54.90 3.90 41.00 50.20 0.80 0.00 166.70
1967-68 0.00 0.00 0.00 0.00 14.90 53.00 76.00 2.50 18.70 0.00 1.20 0.00 166.30
1968-69 0.00 0.00 0.00 0.00 10.90 63.60 53.90 83.70 7.20 9.00 0.00 0.00 228.30
1969-70 0.00 0.00 0.00 0.00 0.00 9.60 9.00 14.10 1.60 9.80 1.10 0.00 45.20
1970-71 0.00 0.00 0.00 0.00 41.90 59.60 26.90 1.50 4.20 3.70 0.00 0.00 137.80
1971-72 0.00 0.00 0.00 7.10 8.40 52.00 18.80 10.20 0.40 2.50 1.00 0.00 100.40
1972-73 0.00 0.00 0.00 0.00 9.40 11.40 33.90 8.40 18.30 1.30 1.00 0.00 83.70
1973-74 0.00 0.00 0.00 0.00 35.80 26.00 15.70 17.40 7.10 8.00 1.20 0.00 111.20
1974-75 0.00 0.00 0.00 0.00 0.00 13.50 33.40 46.40 39.90 4.80 0.10 0.00 138.10
1975-76 0.00 0.00 0.00 3.00 10.20 7.60 4.80 9.00 10.20 13.50 0.00 0.00 58.30
1976-77 0.00 0.00 0.00 0.00 0.00 6.50 10.70 3.60 11.20 0.00 1.50 0.00 33.50
1977-78 0.00 0.00 0.00 0.00 18.30 19.40 3.90 10.30 4.50 18.60 0.00 0.00 75.00
1978-79 0.00 0.00 0.00 0.00 0.80 4.20 26.50 35.80 3.00 1.10 0.70 0.00 72.10
1979-80 0.00 0.00 0.00 0.00 8.90 38.00 1.40 1.50 5.20 9.30 0.50 0.00 64.80
1980-81 0.00 0.00 0.00 0.00 0.00 4.00 25.30 16.60 7.20 0.10 0.00 0.00 53.20
1981-82 0.00 0.00 0.00 0.00 10.70 12.00 36.60 0.90 29.40 14.60 0.00 0.00 104.20
1982-83 0.00 0.00 0.00 0.00 8.00 36.90 11.60 38.20 44.90 6.00 0.00 0.00 145.60
1983-84 0.00 0.00 0.00 0.00 7.70 28.60 1.70 7.30 6.20 2.60 0.00 0.00 54.10
1984-85 0.00 0.00 0.00 e 5.50 28.70 11.20 1.80 15.00 22.10 0.00 0.00 0.00 84.30
1985-86 0.00 0.00 0.00 0.00 13.20 14.80 15.40 7.70 23.10 0.40 0.50 0.00 75.10
1986-87 0.00 0.00 0.00 0.00 4.00 9.90 29.80 18.50 8.70 0.10 0.00 0.00 71.00
1987-88 0.00 0.00 0.00 0.00 4.10 25.90 32.90 0.00 2.00 0.30 1.00 1.30 67.50
1988-89 0.00 0.00 0.00 0.00 4.30 35.80 25.50 1.60 15.60 3.40 0.00 0.00 86.20
1989-90 0.00 0.00 0.00 0.00 4.30 0.00 8.20 36.80 9.30 0.00 0.00 0.00 58.60
1990-91 0.00 0.00 0.00 0.00 3.60 4.70 3.00 2.00 46.80 0.10 6.10 0.00 66.30
1991-92 0.00 0.00 0.00 0.00 3.10 9.90 10.40 14.50 1.00 0.00 0.00 0.00 38.90
1992-93 0.00 0.00 0.00 0.00 5.90 104.80 43.50 28.90 3.00 0.00 0.00 0.00 186.10
1993-94 0.00 0.00 0.00 0.00 0.50 9.70 13.50 26.10 0.70 3.00 0.00 0.00 53.50
1994-95 0.00 0.00 0.00 0.00 41.10 22.40 10.80 1.50 17.40 4.10 0.00 0.00 97.30
1995-96 0.00 0.00 0.00 0.00 0.00 1.00 50.80 39.70 3.10 0.40 0.00 a 0.00 95.00
1996-97 0.00 0.00 0.00 2.50 3.20 a 15.50 11.00 3.30 1.10 1.90 b 0.00 0.00 38.50
1997-98 0.00 0.00 0.00 0.00 0.90 19.60 8.00 61.70 4.80 5.30 0.00 0.00 100.30
1998-99 0.00 0.00 0.00 0.00 17.20 12.00 6.50 46.00 25.20 20.40 0.00 0.00 127.30
1999-00 0.00 0.00 0.00 0.00 0.00 8.90 12.40 19.10 11.90 0.00 0.00 0.00 52.30
2000-01 0.00 0.00 0.00 0.00 6.50 1.00 27.70 54.30 4.10 6.40 0.00 0.00 100.00
2001-02 0.00 0.00 0.00 0.00 30.00 53.80 11.60 0.20 7.20 4.50 0.00 0.00 a 107.30
2002-03 0.00 0.00 0.00 0.00 0.00 76.10 0.00 0.60 0.30 25.40 0.00 0.00 102.40
2003-04 0.00 0.00 0.00 0.50 2.70 33.30 25.10 13.50 2.10 0.80 0.00 0.00 78.00
2004-05 0.00 0.00 0.00 0.50 3.20 62.00 27.50 0.00 1.00 6.90 0.00 0.00 101.10
2005-06 0.00 0.00 0.00 0.00 18.00 a 4.40 a 24.00 6.20 74.30 0.30 0.00 0.00 127.20
2006-07 0.00 0.00 0.00 0.00 16.90 a 10.20 3.00 23.80 2.00 3.40 1.00 b 0.00 a 60.30
2007-08 0.00 0.00 0.00 0.00 0.00 23.10 69.30 23.70 2.10 0.80 0.00 0.00 119.00
2008-09 0.00 0.00 0.00 0.20 0.50 22.10 4.90 58.60 13.90 2.90 0.00 0.00 103.10
2009-10 0.00 0.00 0.00 0.40 2.40 8.10 50.20 8.30 11.30 38.50 0.10 0.00 119.30
2010-11 0.00 0.00 0.00 z 0.00 z 33.60 m 30.40 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 30.40
2011-12 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
2012-13 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
Period of Record Statistics
MEAN 0.00 0.00 0.00 0.45 9.42 23.81 27.20 18.59 15.37 7.36 0.72 0.02 102.83
S.D. 0.00 0.00 0.00 1.39 11.02 25.66 23.48 19.58 16.95 11.60 2.29 0.17 44.91
SKEW 0.00 0.00 0.00 3.40 1.42 2.14 1.40 1.42 1.53 2.29 5.60 7.68 1.02
MAX 0.00 0.00 0.00 7.10 41.90 137.70 119.80 83.70 74.30 50.20 16.40 1.30 236.90
MIN 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 33.50
NO YRS 63 63 62 62 62 63 62 62 62 62 62 62 62