MOUNT ADAMS RANGER STN, WASHINGTON

Monthly Total Snowfall (Inches)

(455659)

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
1908-09 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
1909-10 0.00 z 0.00 z 0.00 z 0.00 z 15.00 32.00 0.00 z 61.50 0.00 2.50 0.00 z 0.00 z 111.00
1910-11 0.00 z 0.00 z 0.00 z 0.00 z 23.00 10.40 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 33.40
1911-12 0.00 z 0.00 z 0.00 z 0.00 z 15.30 z 29.20 v 59.50 6.50 8.30 z 0.00 z 0.00 z 0.00 z 66.00
1912-13 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 50.30 t 98.90 8.80 w 9.40 a 2.00 0.00 z 0.00 z 110.30
1913-14 0.00 z 0.00 z 0.00 z 0.00 z 20.60 v 26.20 w 47.40 r 6.00 9.90 z 0.00 z 0.00 z 0.00 z 6.00
1914-15 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 22.30 w 44.00 12.00 v 0.00 0.00 z 0.00 z 0.00 z 44.00
1915-16 0.00 z 0.00 z 0.00 z 0.00 z 31.70 48.80 92.00 70.30 84.70 u 1.20 0.00 z 0.00 z 244.00
1916-17 0.00 z 0.00 z 0.00 z 0.00 z 8.50 a 52.00 21.00 48.00 35.50 0.00 z 0.00 z 0.00 z 165.00
1917-18 0.00 z 0.00 z 0.00 z 0.00 z 7.50 5.50 8.00 25.50 13.50 3.00 0.00 z 0.00 z 63.00
1918-19 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
1919-20 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
1920-21 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
1921-22 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
1922-23 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
1923-24 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
1924-25 0.00 z 0.00 z 0.00 z 4.00 0.50 6.00 0.00 0.00 z 0.00 0.00 0.00 0.00 z 10.50
1925-26 0.00 z 0.00 z 0.00 z 0.00 z 3.50 16.40 8.90 3.10 0.00 z 0.00 z 0.00 z 0.00 z 31.90
1926-27 0.00 z 0.00 z 0.00 z 0.00 z 11.60 21.90 v 47.00 32.30 13.00 4.00 0.00 z 0.00 z 107.90
1927-28 0.00 z 0.00 z 0.00 z 0.00 z 4.50 37.40 25.10 6.60 u 0.00 z 0.00 z 0.00 z 0.00 z 67.00
1928-29 0.00 z 0.00 z 0.00 z 0.00 z 0.00 51.60 58.00 5.00 5.00 z 13.00 0.00 z 0.00 z 127.60
1929-30 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 29.50 58.50 13.00 0.00 0.00 z 0.00 z 0.00 z 101.00
1930-31 0.00 0.00 z 0.00 z 0.00 z 24.00 14.50 41.00 10.50 6.00 0.00 z 0.00 z 0.00 z 96.00
1931-32 0.00 z 0.00 z 0.00 z 0.00 z 21.00 84.50 64.00 23.50 1.50 1.00 0.00 z 0.00 z 195.50
1932-33 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 39.00 100.50 51.00 12.00 0.00 0.00 z 0.00 202.50
1933-34 0.00 z 0.00 0.00 0.00 z 0.00 z 26.70 3.00 0.00 0.00 0.00 0.00 z 0.00 29.70
1934-35 0.00 0.00 z 0.00 z 0.00 z 6.00 43.30 42.80 t 8.50 14.00 1.00 0.00 z 0.00 z 72.80
1935-36 0.00 z 0.00 z 0.00 z 0.50 z 0.00 z 9.50 a 31.00 47.20 8.00 0.00 z 0.00 z 0.00 z 95.70
1936-37 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 6.50 39.50 45.00 r 2.00 z 0.00 0.00 z 0.00 46.00
1937-38 0.00 z 0.00 z 0.00 z 0.00 z 2.00 z 43.50 y 31.50 s 61.00 j 35.50 x 0.00 z 0.00 z 0.00 0.00
1938-39 0.00 z 0.00 z 0.00 z 0.00 z 4.00 z 11.30 u 15.00 x 32.50 p 11.50 w 0.00 z 0.00 z 0.00 z 0.00
1939-40 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 5.90 18.40 a 35.00 0.00 z 0.00 z 0.00 z 0.00 z 59.30
1940-41 0.00 z 0.00 z 0.00 z 0.00 8.00 5.00 28.80 1.00 0.00 z 0.00 z 0.00 z 0.00 z 42.80
1941-42 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 24.20 a 25.00 17.00 0.00 0.00 z 0.00 z 0.00 z 66.20
1942-43 0.00 z 0.00 z 0.00 z 0.00 z 34.50 78.90 77.00 12.00 9.00 0.00 0.00 0.00 211.40
1943-44 0.00 0.00 0.00 0.00 2.00 3.00 18.00 3.90 0.00 1.00 0.00 0.00 27.90
1944-45 0.00 0.00 0.00 0.00 8.50 7.20 11.80 15.40 4.60 10.00 0.00 0.00 57.50
1945-46 0.00 0.00 0.00 0.00 35.00 23.00 26.50 32.00 2.00 0.00 0.00 0.00 118.50
1946-47 0.00 0.00 z 0.00 2.00 31.00 2.10 28.50 3.00 1.50 0.00 z 0.00 0.00 z 68.10
1947-48 0.00 0.00 0.00 0.00 5.00 8.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 b 13.00
1948-49 0.00 0.00 0.00 0.00 17.70 c 78.80 17.00 83.00 1.00 0.00 0.00 0.00 197.50
1949-50 0.00 0.00 0.00 0.00 0.00 39.00 b 143.70 31.30 14.40 0.00 0.00 0.00 228.40
1950-51 0.00 0.00 0.00 a 0.00 61.50 19.00 91.00 b 12.00 g 52.20 j 0.00 b 0.00 0.00 171.50
1951-52 0.00 0.00 0.00 0.00 11.00 55.00 87.50 10.80 11.00 0.00 0.00 0.00 175.30
1952-53 0.00 0.00 0.00 0.00 0.00 j 59.00 20.00 3.50 8.00 6.00 0.00 0.00 j 96.50
1953-54 0.00 0.00 g 0.00 0.00 0.00 4.00 127.00 6.00 2.00 0.00 0.00 0.00 139.00
1954-55 0.00 g 0.00 0.00 0.00 0.00 25.00 32.00 17.10 25.00 4.00 0.00 0.00 103.10
1955-56 0.00 0.00 0.00 0.00 34.90 c 50.00 86.50 53.30 31.00 0.00 0.00 0.00 d 255.70
1956-57 0.00 0.00 0.00 0.00 3.90 d 12.50 37.70 26.30 21.80 0.00 0.00 0.00 e 102.20
1957-58 0.00 d 0.00 g 0.00 0.00 0.00 b 31.00 a 8.80 c 0.00 1.50 y 0.50 0.00 0.00 40.30
1958-59 0.00 0.00 0.00 0.00 7.60 b 6.30 11.10 b 36.40 0.00 d 0.00 0.00 0.00 61.40
1959-60 0.00 0.00 0.00 0.00 0.00 d 3.10 34.10 2.00 27.40 8.10 0.00 0.00 74.70
1960-61 0.00 0.00 0.00 0.00 5.60 c 11.20 h 6.80 18.20 b 26.70 2.00 0.00 0.00 59.30
1961-62 0.00 0.00 0.00 0.00 0.00 h 21.50 0.00 e 16.80 17.00 r 0.00 0.00 0.00 38.30
1962-63 0.00 0.00 0.00 0.00 0.00 0.00 9.40 2.30 0.00 z 0.00 0.00 0.00 11.70
1963-64 0.00 0.00 0.00 0.00 0.00 0.00 z 40.80 6.60 12.00 0.00 a 0.00 0.00 59.40
1964-65 0.00 0.00 0.00 0.00 23.00 70.50 70.00 0.00 z 5.00 0.00 0.00 0.00 168.50
1965-66 0.00 0.00 0.00 0.00 0.00 59.00 52.50 2.00 33.00 0.00 0.00 0.00 146.50
1966-67 0.00 0.00 0.00 0.00 0.00 35.70 23.00 17.50 10.50 0.00 0.00 0.00 86.70
1967-68 0.00 0.00 0.00 0.00 9.00 32.50 70.00 0.00 0.00 0.00 0.00 0.00 111.50
1968-69 0.00 0.00 0.00 0.00 0.00 58.00 152.80 14.00 0.00 0.00 0.00 0.00 224.80
1969-70 0.00 0.00 0.00 0.00 0.00 33.50 44.00 3.00 2.00 0.00 0.00 0.00 82.50
1970-71 0.00 0.00 0.00 0.00 22.00 84.50 56.80 14.00 29.30 0.00 0.00 0.00 206.60
1971-72 0.00 0.00 0.00 0.00 3.00 a 71.50 54.00 16.00 11.50 13.00 0.00 0.00 169.00
1972-73 0.00 0.00 0.00 0.00 1.50 0.00 z 20.00 0.00 z 0.00 0.00 0.00 0.00 21.50
1973-74 0.00 0.00 0.00 0.00 24.50 b 33.10 c 6.50 d 45.00 15.00 0.30 0.50 0.00 124.90
1974-75 0.00 0.00 0.00 0.00 0.00 15.00 0.00 z 0.00 z 8.50 2.00 0.00 0.00 z 25.50
1975-76 0.00 z 0.00 z 0.00 0.00 0.00 z 8.50 o 13.00 b 46.00 a 7.00 0.00 0.00 0.00 66.00
1976-77 0.00 0.00 0.00 0.00 0.00 2.00 0.00 z 0.00 z 7.00 0.00 0.00 0.00 9.00
1977-78 0.00 0.00 0.00 0.00 16.50 9.00 28.90 11.50 1.30 2.00 0.00 0.00 69.20
1978-79 0.00 0.00 0.00 0.00 6.50 2.80 18.10 12.00 0.00 0.00 0.00 0.00 39.40
1979-80 0.00 0.00 0.00 0.00 0.00 z 1.00 22.00 g 2.50 d 7.50 0.00 0.00 z 0.00 11.00
1980-81 0.00 0.00 0.00 0.00 0.00 z 6.00 z 0.00 z 0.00 z 0.00 0.00 0.00 0.00 0.00
1981-82 0.00 0.00 0.00 0.00 0.00 49.00 0.00 0.00 y 0.00 z 0.00 z 0.00 z 0.00 49.00
1982-83 0.00 0.00 0.00 0.00 3.00 28.60 8.50 d 15.30 a 0.00 2.00 0.00 0.00 57.40
1983-84 0.00 0.00 0.00 0.00 4.60 0.00 z 0.50 a 2.00 0.00 2.00 0.00 0.00 9.10
1984-85 0.00 0.00 0.00 1.00 31.60 0.00 d 0.00 z 33.40 23.00 a 0.00 0.00 0.00 89.00
1985-86 0.00 0.00 0.00 0.00 0.00 z 0.00 z 46.40 0.00 z 0.00 0.00 0.00 0.00 46.40
1986-87 0.00 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 c 0.00 0.00 0.00 0.00 0.00
1987-88 0.00 0.00 0.00 0.00 0.00 a 22.90 29.40 0.00 4.00 0.00 a 0.00 0.00 56.30
1988-89 0.00 0.00 0.00 0.00 0.00 z 24.30 19.30 a 26.30 b 14.10 a 6.00 0.00 0.00 90.00
1989-90 0.00 0.00 0.00 0.00 0.00 c 0.00 16.00 e 68.60 a 0.50 d 0.50 0.00 0.00 z 85.60
1990-91 0.00 0.00 0.00 0.00 2.50 26.00 c 17.00 d 0.00 11.00 3.80 a 0.00 0.00 60.30
1991-92 0.00 0.00 0.00 4.50 b 0.50 d 9.80 c 10.00 b 0.00 a 0.00 0.00 b 0.00 0.00 z 24.80
1992-93 0.00 z 0.00 0.00 0.00 0.00 b 57.50 c 27.50 f 9.00 a 3.10 0.00 0.00 0.00 69.60
1993-94 0.00 0.00 0.00 0.00 3.50 a 10.30 0.00 16.80 d 1.00 a 0.00 0.00 0.00 31.60
1994-95 0.00 0.00 0.00 z 0.00 15.10 19.00 a 17.50 c 10.50 0.50 a 0.00 0.00 0.00 62.60
1995-96 0.00 0.00 0.00 0.00 z 2.00 a 5.30 n 53.60 h 12.30 0.00 0.00 0.00 0.00 14.30
1996-97 0.00 0.00 0.00 0.00 15.00 g 22.60 p 6.50 d 4.30 13.00 d 17.00 0.00 0.00 40.80
1997-98 0.00 0.00 0.00 0.00 2.00 a 0.00 23.00 b 0.00 0.00 0.00 0.00 0.00 25.00
1998-99 0.00 0.00 0.00 0.00 0.00 17.00 a 17.50 c 29.00 e 20.50 d 5.00 c 0.00 0.00 89.00
1999-00 0.00 0.00 0.00 0.00 0.00 2.90 a 81.60 l 13.40 f 0.00 0.00 0.00 0.00 2.90
2000-01 0.00 0.00 0.00 0.00 0.00 d 14.30 g 3.00 b 10.00 a 0.00 c 0.00 0.00 0.00 a 13.00
2001-02 0.00 0.00 0.00 0.00 16.00 62.70 h 9.00 k 3.70 b 18.00 b 0.00 0.00 0.00 37.70
2002-03 0.00 z 0.00 0.00 0.00 d 0.00 20.30 g 3.50 b 0.00 c 2.00 0.00 0.00 0.00 5.50
2003-04 0.00 0.00 0.00 z 0.00 6.80 19.40 h 23.90 d 6.00 c 0.00 0.00 0.00 0.00 36.70
2004-05 0.00 0.00 0.00 0.00 0.50 4.80 i 9.60 d 5.60 c 0.00 0.00 0.00 0.00 15.70
2005-06 0.00 0.00 0.00 0.00 18.60 c 23.50 d 17.50 d 4.00 15.40 0.00 0.00 0.00 79.00
2006-07 0.00 0.00 0.00 0.00 27.10 c 17.00 d 8.10 b 20.00 b 1.50 0.00 0.00 0.00 73.70
2007-08 0.00 0.00 0.00 0.00 19.10 e 51.40 h 66.30 d 19.00 c 12.60 0.60 0.00 0.00 117.60
2008-09 0.00 0.00 0.00 0.00 0.00 a 53.50 f 20.00 c 5.00 i 12.20 f 0.00 0.00 0.00 20.00
2009-10 0.00 0.00 0.00 1.10 b 9.60 b 27.60 d 3.50 b 0.00 a 7.40 13.50 b 0.00 0.00 62.70
2010-11 0.00 0.00 0.00 0.00 31.70 a 39.20 d 7.00 e 22.50 h 11.00 h 2.00 l 0.00 u 0.00 a 77.90
2011-12 0.00 c 0.00 a 0.00 b 0.00 f 14.30 h 2.00 g 28.00 t 16.30 j 29.50 k 0.00 j 0.00 g 0.00 d 0.00
2012-13 0.00 b 0.00 b 0.00 0.00 b 1.50 49.00 e 1.60 c 1.10 m 7.50 f 0.00 z 0.00 z 0.00 z 52.10
Period of Record Statistics
MEAN 0.00 0.00 0.00 0.18 9.66 27.49 34.66 17.42 7.84 1.65 0.01 0.00 106.73
S.D. 0.00 0.00 0.00 0.76 12.38 23.11 33.74 18.93 9.36 3.54 0.06 0.00 66.02
SKEW 0.00 0.00 0.00 4.71 1.60 0.79 1.50 1.49 1.23 2.70 7.94 0.00 0.83
MAX 0.00 0.00 0.00 4.50 61.50 84.50 152.80 83.00 35.50 17.00 0.50 0.00 255.70
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 25.00
NO YRS 68 67 69 70 75 73 80 76 76 77 66 69 29