WEST YELLOWSTONE, st

Monthly Total Snowfall (Inches)

(248857)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201212
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
1923-24 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 10.60 a 19.20 25.50 a 12.00 a 0.50 0.00 67.80
1924-25 0.00 0.00 2.70 c 12.00 c 23.50 c 22.70 b 22.20 c 20.30 d 12.50 f 5.00 b 0.00 f 0.00 p 108.40
1925-26 0.00 0.00 0.50 a 5.30 9.10 b 8.90 b 10.10 e 36.30 d 3.20 b 6.20 f 0.00 0.00 b 73.40
1926-27 0.00 0.00 4.00 b 0.00 25.60 21.30 g 33.00 d 35.50 i 20.30 f 15.90 j 4.00 c 0.00 66.60
1927-28 0.00 0.00 a 0.00 7.00 a 25.50 29.40 c 11.80 g 6.70 l 13.60 15.10 d 0.00 6.00 a 96.60
1928-29 0.00 b 0.00 0.00 b 14.50 a 15.20 a 15.80 22.00 k 15.50 c 9.80 d 7.70 c 8.00 d 0.00 86.50
1929-30 0.00 0.00 0.00 g 0.50 b 6.30 7.50 26.70 16.40 f 9.00 f 0.00 d 0.00 z 0.00 41.00
1930-31 0.00 0.00 0.50 0.00 21.00 6.50 e 5.90 c 13.10 c 3.00 j 0.00 0.00 o 0.00 z 47.00
1931-32 0.00 a 0.00 0.00 n 1.00 b 19.00 a 34.00 b 41.00 j 15.50 k 29.00 e 14.00 0.00 c 0.00 c 97.00
1932-33 0.00 d 1.00 0.00 12.00 a 21.50 23.30 a 42.50 24.90 a 12.20 4.50 1.00 b 0.00 b 142.90
1933-34 0.00 b 0.00 2.00 0.80 8.00 51.50 m 20.50 7.00 3.00 3.00 1.00 a 0.00 45.30
1934-35 0.00 0.00 2.70 a 3.00 15.50 35.00 31.00 13.80 40.50 29.50 4.00 0.00 175.00
1935-36 0.00 0.00 0.00 8.00 26.00 b 13.90 a 57.50 52.10 b 27.80 f 17.50 0.00 0.00 175.00
1936-37 0.00 0.00 0.00 a 5.00 9.50 b 35.40 c 47.30 g 36.60 g 19.00 f 4.00 j 1.00 b 0.00 a 50.90
1937-38 0.00 0.00 a 3.00 a 1.00 c 23.00 c 29.80 d 26.60 g 53.00 f 48.70 f 1.00 a 1.50 0.00 a 59.30
1938-39 0.00 0.00 0.00 b 7.00 20.00 27.10 47.40 b 38.20 d 28.30 b 3.00 0.00 g 0.00 a 171.00
1939-40 0.00 0.00 0.00 0.00 a 0.00 19.90 33.90 a 35.10 d 25.40 a 7.70 0.00 3.00 b 125.00
1940-41 0.00 a 0.00 0.00 a 7.00 24.70 20.50 29.30 f 11.10 f 13.50 b 15.00 f 0.00 d 0.00 65.70
1941-42 0.00 0.00 0.00 f 6.00 13.00 33.00 33.10 18.80 8.20 9.00 24.00 0.00 145.10
1942-43 0.00 0.00 1.80 7.30 33.20 27.20 52.00 15.50 16.00 6.00 9.80 1.20 a 170.00
1943-44 0.00 0.00 0.00 22.50 9.00 f 9.90 9.40 39.90 a 19.70 4.10 4.00 0.00 109.50
1944-45 0.00 0.00 6.50 0.00 32.70 17.40 17.80 21.30 27.90 12.90 0.00 0.00 136.50
1945-46 0.00 0.00 7.80 1.40 30.00 b 34.60 26.30 30.00 29.00 3.00 0.00 0.00 162.10
1946-47 0.00 0.00 0.00 21.30 23.70 d 20.90 g 10.40 15.60 a 22.00 j 14.60 s 0.00 z 0.00 l 71.00
1947-48 0.00 0.00 1.00 0.50 0.00 z 12.20 13.40 20.00 a 0.00 z 5.00 i 1.00 a 0.00 a 48.10
1948-49 0.00 a 0.00 0.00 0.20 21.00 44.00 18.90 22.00 a 37.00 2.00 a 0.00 0.00 145.10
1949-50 0.00 0.00 0.00 17.40 18.30 b 48.10 70.40 c 32.00 34.80 a 10.30 2.00 4.50 237.80
1950-51 0.00 0.70 0.00 b 3.00 18.00 33.80 40.10 35.60 39.50 5.50 3.00 a 4.50 183.70
1951-52 0.00 0.00 0.00 14.20 k 30.30 46.40 67.30 31.80 37.60 3.00 1.00 0.00 217.40
1952-53 0.00 0.00 0.00 0.30 12.30 43.90 b 31.70 31.70 22.50 11.50 9.50 1.50 164.90
1953-54 0.00 0.00 0.00 0.00 11.40 37.80 63.50 17.80 0.00 q 10.00 2.00 8.50 151.00
1954-55 0.00 0.00 4.00 5.00 3.00 40.00 29.60 39.00 36.60 17.00 g 5.00 0.00 162.20
1955-56 0.00 0.00 1.00 10.00 37.50 54.30 47.10 39.80 18.90 14.50 2.00 0.00 225.10
1956-57 0.00 0.00 0.00 33.50 13.80 40.60 57.00 33.50 48.00 6.00 0.00 0.00 232.40
1957-58 0.00 0.00 4.00 6.00 20.00 41.70 21.60 24.50 28.00 11.50 1.00 0.00 158.30
1958-59 0.00 0.00 1.00 2.00 23.00 23.50 37.00 42.00 18.50 2.00 17.00 0.00 166.00
1959-60 0.00 0.00 2.00 8.00 13.00 14.80 35.10 18.00 17.80 21.00 3.00 0.00 132.70
1960-61 0.00 4.00 0.00 15.00 45.50 27.50 5.30 54.00 22.90 5.00 4.50 0.00 183.70
1961-62 0.00 0.00 3.00 33.00 33.50 30.80 33.00 51.60 28.50 7.50 0.00 2.00 222.90
1962-63 0.00 0.00 1.00 2.50 25.50 7.00 28.00 20.00 15.50 33.50 0.00 0.50 133.50
1963-64 0.00 0.00 0.00 3.00 25.00 21.90 39.00 13.00 36.00 21.50 6.00 0.00 165.40
1964-65 0.00 0.00 0.00 4.00 33.00 61.40 67.80 10.60 10.30 15.50 6.00 0.00 208.60
1965-66 0.00 0.00 3.00 2.00 23.50 37.50 19.50 10.30 20.00 6.50 8.00 0.00 130.30
1966-67 0.00 0.00 2.00 8.00 24.50 33.00 54.00 9.30 42.00 10.00 2.00 0.00 184.80
1967-68 0.00 0.00 0.00 2.00 17.80 29.00 46.50 6.50 13.00 12.00 4.00 1.00 131.80
1968-69 0.00 0.00 6.00 5.00 18.50 33.50 51.50 22.50 5.00 7.80 0.00 0.00 149.80
1969-70 0.00 0.00 0.00 3.50 13.00 23.00 27.50 11.00 29.50 26.00 5.00 3.00 141.50
1970-71 0.00 0.00 4.00 9.50 24.40 53.50 30.00 28.00 18.50 8.50 2.00 0.00 178.40
1971-72 0.00 0.00 6.00 19.50 22.50 42.00 22.00 17.50 16.00 6.50 0.00 0.00 152.00
1972-73 0.00 0.00 0.00 6.00 13.80 21.80 19.30 0.00 z 0.00 z 7.60 1.00 3.00 72.50
1973-74 0.00 0.00 0.00 7.00 0.00 z 38.00 47.00 5.00 s 13.00 m 4.00 3.00 0.00 99.00
1974-75 0.00 0.00 0.00 0.00 b 2.80 d 0.00 z 0.00 z 16.00 g 0.00 z 0.00 z 0.00 z 0.00 2.80
1975-76 0.00 0.00 0.00 17.00 37.00 27.00 18.00 f 24.00 e 26.00 0.00 z 0.00 0.00 a 131.00
1976-77 0.00 0.00 0.00 1.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 1.00
1977-78 0.00 0.00 0.00 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 0.00
1978-79 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 x 9.00 0.00 z 9.00
1979-80 0.00 0.00 0.00 0.00 z 15.30 8.00 33.80 0.00 z 0.00 z 0.00 z 0.00 z 0.00 57.10
1980-81 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 12.70 18.20 5.70 0.00 z 3.00 0.00 z 39.60
1981-82 0.00 0.00 0.00 5.50 17.50 33.80 44.80 14.60 38.90 29.20 0.00 h 0.00 184.30
1982-83 0.00 0.00 0.00 z 10.20 43.60 49.10 20.40 44.60 22.30 7.70 0.00 d 0.00 197.90
1983-84 0.00 0.00 0.00 b 0.80 33.30 47.80 15.10 23.40 21.20 a 13.70 12.70 0.50 168.50
1984-85 0.00 0.00 0.00 c 21.70 48.60 44.30 11.20 31.40 51.90 12.60 2.30 0.00 224.00
1985-86 0.00 0.00 0.60 16.50 42.30 m 23.40 31.40 62.00 10.00 29.80 5.70 0.00 179.40
1986-87 0.00 0.00 0.00 z 0.60 21.90 3.80 27.00 13.10 19.30 0.70 1.50 0.00 87.90
1987-88 0.00 0.00 0.00 0.00 8.50 29.50 38.90 17.10 21.50 18.10 4.10 0.00 137.70
1988-89 0.00 0.00 0.80 0.00 59.10 28.50 51.10 23.30 41.60 11.20 h 2.00 0.00 206.40
1989-90 0.00 0.00 0.00 6.60 f 10.80 e 10.10 c 54.00 51.80 10.10 1.10 11.20 0.00 149.10
1990-91 0.00 0.00 0.00 12.10 25.60 a 36.60 20.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 94.80
1991-92 0.00 z 0.00 0.00 30.00 34.10 36.00 13.50 31.30 3.10 4.10 0.00 0.00 152.10
1992-93 0.00 0.00 0.00 3.00 33.10 87.20 b 34.60 l 23.80 k 10.90 20.90 4.90 0.00 160.00
1993-94 0.00 0.00 0.00 1.30 13.40 36.10 g 23.40 56.80 a 22.00 10.10 0.00 0.00 127.00
1994-95 0.00 0.00 0.00 8.40 61.50 93.90 54.70 22.60 43.10 29.00 3.40 0.00 316.60
1995-96 0.00 0.00 0.00 2.00 29.90 a 27.40 b 40.40 a 21.60 a 30.60 b 0.00 z 0.00 z 0.00 z 151.90
1996-97 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
1997-98 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
1998-99 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
1999-00 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
2000-01 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
2001-02 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
2002-03 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
2003-04 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
2004-05 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
2005-06 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
2006-07 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
2007-08 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
2008-09 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
2009-10 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
2010-11 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
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
Period of Record Statistics
MEAN 0.00 0.08 1.07 7.25 22.88 31.42 32.89 26.57 23.26 10.74 3.33 0.59 173.77
S.D. 0.00 0.49 1.86 8.16 12.24 16.99 16.83 13.57 12.27 8.50 4.48 1.58 42.26
SKEW 0.00 7.39 1.89 1.56 0.89 1.18 0.38 0.78 0.29 1.04 2.35 3.19 1.43
MAX 0.00 4.00 7.80 33.50 61.50 93.90 70.40 62.00 51.90 33.50 24.00 8.50 316.60
MIN 0.00 0.00 0.00 0.00 0.00 3.80 5.30 6.50 3.00 0.00 0.00 0.00 125.00
NO YRS 71 72 66 66 64 63 61 57 55 56 62 66 31