PORTOLA st,

Monthly Total Snowfall (Inches)

(047085)

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.
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
1914-15 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 15.20 23.00 0.00 z 0.00 z 0.00 z 0.00 z 38.20
1915-16 0.00 z 0.00 z 0.00 z 0.00 z 26.00 0.00 z 112.00 3.50 y 13.00 0.00 z 6.00 0.00 z 157.00
1916-17 0.00 z 0.00 z 0.00 z 0.00 z 3.00 z 27.00 10.00 z 19.00 28.00 0.00 z 0.00 0.00 z 74.00
1917-18 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2.00 z 40.00 34.00 0.00 z 0.00 z 0.00 z 74.00
1918-19 0.00 z 0.00 z 0.00 z 0.00 z 11.50 7.00 z 13.00 49.50 21.00 0.00 z 0.00 z 0.00 z 95.00
1919-20 0.00 z 0.00 z 0.00 z 1.00 z 12.00 z 31.00 4.00 z 9.00 z 37.00 12.00 z 0.00 z 0.00 z 68.00
1920-21 0.00 z 0.00 z 0.00 z 12.00 z 0.00 z 33.00 u 39.00 w 0.00 z 4.00 z 2.00 z 0.00 z 0.00 z 0.00
1921-22 0.00 z 0.00 z 0.00 z 4.00 z 5.00 z 58.00 u 19.00 x 85.00 r 43.00 x 0.00 z 6.00 z 0.00 z 0.00
1922-23 0.00 z 0.00 z 0.00 z 0.00 z 11.00 z 36.00 35.00 z 0.00 z 3.00 z 2.00 z 0.00 z 0.00 z 36.00
1923-24 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 10.00 0.00 z 1.00 z 22.50 x 2.00 0.00 z 0.00 z 12.00
1924-25 0.00 z 0.00 0.00 z 4.00 4.00 20.00 v 19.00 z 21.00 21.00 8.00 z 0.00 1.00 51.00
1925-26 0.00 0.00 z 0.00 0.00 6.00 z 11.00 z 9.00 y 22.00 0.00 z 1.00 0.00 z 0.00 z 23.00
1926-27 0.00 z 0.00 z 0.00 z 0.00 z 7.00 0.00 z 11.50 19.50 u 20.00 11.00 0.70 0.00 z 50.20
1927-28 0.00 z 0.00 z 0.00 z 0.00 z 4.00 7.00 23.00 2.00 5.00 19.00 0.00 z 0.00 z 60.00
1928-29 0.00 z 0.00 z 0.00 0.00 5.00 8.00 0.00 z 0.00 z 4.00 8.00 z 0.00 0.00 z 17.00
1929-30 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 38.00 27.00 9.00 7.50 1.00 0.00 z 82.50
1930-31 0.00 z 0.00 z 0.00 0.00 z 4.00 0.00 9.00 5.00 1.50 15.00 z 0.00 z 0.00 z 19.50
1931-32 0.00 z 0.00 z 0.00 z 0.00 21.00 27.00 44.00 2.00 2.00 1.00 0.00 z 0.00 z 97.00
1932-33 0.00 z 0.00 z 0.00 z 0.00 z 0.50 15.00 50.00 5.00 10.00 5.00 1.00 0.00 z 86.50
1933-34 0.00 z 0.00 z 0.00 z 3.00 0.00 z 19.50 3.50 3.50 0.00 z 0.00 z 0.00 z 0.00 z 29.50
1934-35 0.00 z 0.00 z 0.00 z 0.00 z 6.80 20.00 0.00 z 10.50 w 41.00 0.00 0.00 0.00 z 67.80
1935-36 0.00 z 0.00 z 0.00 z 0.00 11.00 8.00 4.00 30.00 3.00 2.80 0.00 z 0.00 58.80
1936-37 0.00 z 0.00 z 0.00 z 0.00 z 3.00 30.00 71.00 r 14.50 3.00 0.00 z 0.00 z 0.00 z 50.50
1937-38 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2.00 0.00 z 86.00 23.00 0.00 z 0.00 0.00 111.00
1938-39 0.00 z 0.00 z 0.00 0.00 0.00 0.00 13.00 19.00 32.00 0.00 z 0.00 0.00 z 64.00
1939-40 0.00 z 0.00 z 0.00 z 0.00 0.00 z 0.00 0.00 z 0.00 z 0.00 z 0.00 1.00 z 0.00 0.00
1940-41 0.00 z 0.00 z 0.00 z 0.00 0.00 z 8.00 16.00 z 0.00 z 4.00 z 1.00 0.00 0.00 z 9.00
1941-42 0.00 z 0.00 z 0.00 z 0.00 z 1.50 0.00 z 6.00 15.00 7.00 19.00 4.00 0.00 z 52.50
1942-43 0.00 z 0.00 z 0.00 z 0.00 5.00 7.00 18.00 11.80 w 7.50 0.00 0.00 0.00 37.50
1943-44 0.00 z 0.00 0.00 z 0.00 0.00 z 4.50 z 12.50 31.90 9.10 z 8.50 0.00 z 0.00 z 52.90
1944-45 0.00 z 0.00 0.00 z 0.00 7.00 0.00 z 4.00 0.00 z 4.50 z 4.00 0.00 0.00 15.00
1945-46 0.00 0.00 0.00 0.00 8.00 15.00 1.50 13.00 20.50 0.00 0.00 0.00 58.00
1946-47 0.00 0.00 0.00 0.00 3.50 1.50 22.00 0.00 10.00 0.00 0.00 0.00 37.00
1947-48 0.00 0.00 0.00 0.00 0.00 1.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1.50
1948-49 0.00 0.00 0.00 5.00 0.00 27.50 3.50 0.00 z 9.00 0.00 0.00 0.00 45.00
1949-50 0.00 0.00 0.00 0.00 5.20 11.00 51.00 0.00 17.00 0.00 c 0.00 c 0.00 84.20
1950-51 0.00 0.00 0.00 0.00 0.00 c 0.00 31.00 10.00 6.00 1.50 0.00 0.00 48.50
1951-52 0.00 0.00 0.00 d 0.00 b 14.00 38.00 69.00 46.00 44.60 0.00 0.00 0.00 211.60
1952-53 0.00 0.00 0.00 0.00 1.00 25.00 d 9.00 0.00 a 2.00 0.00 z 0.00 0.00 37.00
1953-54 0.00 0.00 0.00 0.00 3.00 1.50 19.00 10.00 6.00 0.00 0.00 0.00 39.50
1954-55 0.00 0.00 0.00 0.00 0.00 6.00 19.00 2.00 b 0.00 2.50 0.00 0.00 29.50
1955-56 0.00 0.00 0.00 0.00 0.00 r 0.00 e 0.00 z 0.00 m 3.50 0.00 a 0.00 0.00 3.50
1956-57 0.00 0.00 0.00 3.00 0.50 0.00 e 0.00 x 0.00 c 0.00 0.00 h 0.00 0.00 3.50
1957-58 0.00 0.00 0.00 0.00 0.00 0.00 p 8.00 j 0.00 z 0.00 z 0.00 d 0.00 0.00 0.00
1958-59 0.00 0.00 0.00 z 0.00 0.00 b 2.00 11.50 c 40.00 0.00 a 0.00 0.00 a 0.00 53.50
1959-60 0.00 0.00 0.00 0.00 0.00 0.00 e 21.50 c 14.00 e 0.00 c 0.00 4.00 0.00 d 39.50
1960-61 0.00 0.00 0.00 0.00 11.50 f 2.00 0.00 4.50 10.00 0.00 b 0.00 0.00 b 16.50
1961-62 0.00 0.00 d 0.00 0.00 f 11.50 3.00 0.00 d 23.00 g 0.00 z 0.00 b 0.00 0.00 14.50
1962-63 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 3.00 c 0.00 d 0.00 0.00 3.00
1963-64 0.00 0.00 0.00 0.00 3.00 4.00 47.50 3.40 14.10 2.00 7.00 0.00 81.00
1964-65 0.00 0.00 z 0.00 0.00 8.00 43.00 25.00 0.00 17.00 0.00 0.00 0.00 93.00
1965-66 0.00 0.00 0.00 0.00 14.00 52.00 5.00 10.00 1.00 1.00 0.00 0.00 83.00
1966-67 0.00 0.00 0.00 0.00 8.00 17.00 31.00 4.00 64.00 17.00 2.10 0.00 143.10
1967-68 0.00 0.00 0.00 0.00 16.50 22.00 0.00 z 0.00 5.00 0.00 0.00 0.00 43.50
1968-69 0.00 0.00 0.00 0.00 6.10 45.50 25.50 80.30 9.20 0.00 0.00 0.00 166.60
1969-70 0.00 0.00 0.00 0.00 2.00 6.00 5.00 9.00 2.00 9.50 6.00 0.00 39.50
1970-71 0.00 0.00 0.00 0.00 g 4.00 65.00 48.00 5.00 4.00 9.00 7.50 0.00 z 142.50
1971-72 0.00 0.00 4.00 1.50 0.00 z 71.70 20.00 7.00 0.00 10.00 6.00 0.00 120.20
1972-73 0.00 0.00 0.00 0.00 8.50 12.50 d 0.00 z 14.00 0.00 z 1.00 0.00 0.00 36.00
1973-74 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3.10 b 0.00 z 0.00 z 0.00 0.00 3.10
1974-75 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 5.00 0.00 z 0.00 z 5.00 0.00 0.00 10.00
1975-76 0.00 0.00 0.00 0.00 3.00 3.00 4.00 7.00 13.50 1.00 0.00 0.00 31.50
1976-77 0.00 0.00 0.00 0.00 0.00 2.00 5.50 6.00 5.00 0.00 0.00 0.00 18.50
1977-78 0.00 0.00 0.00 0.00 4.00 1.00 r 0.00 z 0.00 z 0.00 0.00 0.00 0.00 4.00
1978-79 0.00 0.00 0.00 0.00 3.00 1.00 b 12.00 38.00 3.50 1.00 0.00 0.00 58.50
1979-80 0.00 0.00 0.00 0.00 0.00 11.00 a 6.00 0.50 4.00 0.00 0.00 0.00 21.50
1980-81 0.00 0.00 0.00 0.00 1.00 0.00 29.00 7.00 0.00 0.00 0.00 z 0.00 37.00
1981-82 0.00 0.00 0.00 z 0.00 z 6.50 1.00 48.50 a 0.00 23.60 61.00 0.00 0.00 140.60
1982-83 0.00 0.00 0.00 0.00 15.80 15.00 4.00 f 15.00 6.00 1.50 0.00 0.00 53.30
1983-84 0.00 0.00 0.00 0.00 10.00 10.00 4.50 d 0.00 z 0.00 0.00 0.00 0.00 24.50
1984-85 0.00 0.00 0.00 0.50 3.00 20.00 4.00 32.80 50.80 0.00 0.00 0.00 111.10
1985-86 0.00 0.00 0.00 0.00 24.00 a 5.00 1.00 3.00 5.00 0.50 0.00 0.00 38.50
1986-87 0.00 0.00 0.00 0.00 0.00 0.50 10.50 6.00 2.50 0.00 0.00 0.00 19.50
1987-88 0.00 0.00 0.00 0.00 0.00 26.00 22.30 a 0.00 0.00 0.00 0.00 0.00 48.30
1988-89 0.00 0.00 0.00 0.00 6.50 45.00 24.00 37.00 14.00 1.00 2.00 0.00 129.50
1989-90 0.00 0.00 0.00 2.00 6.00 0.00 19.50 57.50 11.00 0.00 2.00 0.00 98.00
1990-91 0.00 d 0.00 0.00 0.00 0.00 b 0.00 b 0.00 0.00 0.00 0.00 0.00 0.00 0.00
1991-92 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
1992-93 0.00 0.00 0.00 0.00 0.00 0.00 b 0.00 z 0.00 z 0.00 0.00 0.00 0.00 0.00
1993-94 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
1994-95 0.00 0.00 0.00 0.00 0.00 0.00 0.00 a 0.00 0.00 a 0.00 b 0.00 0.00 0.00
1995-96 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 d 0.00 0.00 0.00 0.00 0.00
1996-97 0.00 0.00 0.00 0.00 0.00 0.00 0.00 b 0.00 0.00 0.00 0.00 0.00 0.00
1997-98 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
1998-99 0.00 0.00 0.00 0.00 0.00 0.00 b 0.00 b 0.00 0.00 a 0.00 0.00 0.00 0.00
1999-00 0.00 z 0.00 0.00 0.00 0.00 2.00 0.00 b 0.00 a 0.00 0.00 0.00 0.00 2.00
2000-01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 b 0.00 0.00 0.00 0.00 0.00
2001-02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 a 0.00 0.00 0.00 0.00 0.00 0.00
2002-03 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
2003-04 0.00 0.00 0.00 0.00 0.00 0.00 0.00 b 0.00 0.00 0.00 0.00 0.00 0.00
2004-05 0.00 0.00 0.00 0.00 c 0.00 0.00 0.00 j 0.00 b 0.00 d 0.00 0.00 a 0.00 0.00
2005-06 0.00 0.00 0.00 0.00 a 0.00 a 0.00 z 14.00 0.00 e 15.50 g 5.00 a 0.00 0.00 19.00
2006-07 0.00 0.00 0.00 0.00 3.00 5.50 a 0.00 a 49.50 2.00 2.00 0.00 0.00 62.00
2007-08 0.00 0.00 0.00 5.00 0.00 10.00 a 49.00 40.00 10.00 a 0.00 0.00 0.00 114.00
2008-09 0.00 0.00 0.00 0.00 1.00 35.40 a 0.50 16.50 a 27.00 a 0.00 0.00 0.00 80.40
2009-10 0.00 0.00 0.00 0.00 9.00 33.30 21.00 17.50 25.00 9.00 4.00 0.00 118.80
2010-11 0.00 0.00 0.00 0.00 b 33.00 21.00 4.00 z 60.00 u 45.50 q 6.50 z 0.50 z 0.00 z 54.00
2011-12 0.00 z 0.00 z 0.00 z 0.00 v 19.00 z 0.00 z 5.00 z 14.00 x 21.00 u 10.50 y 0.00 h 0.00 o 0.00
2012-13 0.00 0.00 0.00 5.00 4.00 47.50 7.20 2.00 5.00 0.00 z 0.00 z 0.00 z 70.70
Period of Record Statistics
MEAN 0.00 0.00 0.06 0.39 4.70 12.62 15.90 13.68 9.85 2.92 0.69 0.01 50.35
S.D. 0.00 0.00 0.49 1.19 6.61 16.62 19.98 18.82 13.26 8.01 1.77 0.12 53.19
SKEW 0.00 0.00 8.06 3.06 2.10 1.53 2.17 1.85 1.88 5.42 2.63 8.12 1.10
MAX 0.00 0.00 4.00 5.00 33.00 71.70 112.00 86.00 64.00 61.00 7.50 1.00 211.60
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 0.00
NO YRS 67 68 68 74 78 81 71 75 79 76 77 69 40