ALTA state,

Monthly Total Snowfall (Inches)

(420072)

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
1904-05 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 26.90 u 32.60 c 44.00 0.00 b 76.60
1905-06 0.00 0.00 8.50 21.80 44.50 49.90 5.00 x 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 124.70
1906-07 0.00 z 0.00 0.00 3.60 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
1907-08 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
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 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
1910-11 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
1911-12 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
1912-13 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
1913-14 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
1914-15 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
1915-16 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
1916-17 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
1917-18 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
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 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
1925-26 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
1926-27 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
1927-28 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
1928-29 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
1929-30 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
1930-31 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
1931-32 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
1932-33 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
1933-34 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
1934-35 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
1935-36 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
1936-37 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
1937-38 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
1938-39 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
1939-40 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
1940-41 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
1941-42 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
1942-43 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
1943-44 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
1944-45 0.00 z 0.00 z 0.00 z 0.00 z 20.00 z 57.00 18.60 67.00 78.00 0.00 z 0.00 z 0.00 z 220.60
1945-46 0.00 0.00 0.00 z 0.00 z 107.50 83.00 84.50 46.00 65.00 55.50 24.50 0.00 466.00
1946-47 0.00 0.00 0.00 98.00 69.00 63.00 61.00 52.90 68.00 75.00 0.00 z 4.50 z 486.90
1947-48 0.00 0.00 0.00 35.00 114.00 n 67.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 102.00
1948-49 0.00 z 0.00 z 0.00 z 0.00 z 71.00 o 149.60 132.00 57.50 a 96.00 5.00 h 0.00 z 0.00 z 435.10
1949-50 0.00 z 0.00 z 0.00 z 0.00 z 45.00 138.00 133.00 34.00 109.00 26.00 d 0.00 z 0.00 z 485.00
1950-51 0.00 z 0.00 z 0.00 z 0.00 z 68.00 66.00 99.00 58.00 52.00 9.00 0.00 z 0.00 z 352.00
1951-52 0.00 0.00 0.00 0.00 z 65.00 155.50 108.70 102.00 163.00 0.00 f 0.00 z 0.00 z 594.20
1952-53 0.00 0.00 0.00 z 0.00 z 45.60 68.00 112.00 40.00 93.00 57.00 c 0.00 z 0.00 z 415.60
1953-54 0.00 z 0.00 z 0.00 z 17.00 50.50 107.50 55.00 57.00 100.00 0.00 z 0.00 z 0.00 z 387.00
1954-55 0.00 z 0.00 z 0.00 z 6.00 37.00 53.00 134.00 127.00 53.00 81.00 0.00 z 0.00 z 491.00
1955-56 0.00 z 0.00 z 0.00 z 0.00 z 88.50 0.00 z 103.00 72.00 33.00 0.00 z 0.00 z 0.00 z 296.50
1956-57 0.00 z 0.00 z 0.00 z 0.00 z 22.00 a 50.50 85.00 41.00 97.00 74.20 0.00 z 0.00 z 369.70
1957-58 0.00 z 0.00 z 0.00 z 0.00 z 75.00 74.50 75.50 134.00 78.50 111.50 0.00 z 0.00 z 549.00
1958-59 0.00 z 0.00 z 0.00 z 0.00 z 38.00 47.00 80.00 107.00 84.50 25.50 c 0.00 z 0.00 z 382.00
1959-60 0.00 z 0.00 z 0.00 z 0.00 z 22.00 39.00 58.50 155.00 92.00 35.50 0.00 z 0.00 z 402.00
1960-61 0.00 z 0.00 z 0.00 z 0.00 z 24.00 r 40.00 1.00 62.00 113.50 9.00 e 0.00 z 0.00 z 225.50
1961-62 0.00 z 0.00 z 0.00 z 0.00 z 26.00 q 79.50 86.00 110.00 0.00 z 42.00 0.00 z 0.00 z 317.50
1962-63 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 17.00 84.50 31.00 93.00 0.00 z 0.00 z 0.00 z 225.50
1963-64 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 53.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 53.00
1964-65 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 138.50 66.00 44.00 77.00 0.00 z 0.00 z 325.50
1965-66 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 70.50 103.00 6.80 37.00 0.00 z 0.00 z 217.30
1966-67 0.00 z 0.00 z 0.00 z 2.00 o 49.00 0.00 z 168.00 62.30 58.50 106.00 0.00 z 0.00 z 443.80
1967-68 0.00 z 0.00 0.00 z 10.00 21.50 91.20 39.00 74.00 69.00 113.50 0.00 z 0.00 z 418.20
1968-69 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 133.50 113.00 148.00 35.00 50.00 0.00 0.00 z 479.50
1969-70 0.00 z 0.00 z 0.00 z 0.00 z 56.00 70.00 102.00 61.50 79.00 0.00 z 0.00 z 0.00 368.50
1970-71 0.00 0.00 5.80 57.30 78.80 124.40 46.90 62.60 70.50 35.90 19.00 1.10 502.30
1971-72 0.00 0.00 3.30 62.40 64.40 138.70 75.20 38.70 42.30 52.40 0.00 0.00 477.40
1972-73 0.00 0.00 1.30 30.90 0.00 z 107.00 59.30 56.60 0.00 z 0.00 z 0.00 z 4.60 259.70
1973-74 0.00 0.00 18.10 20.30 90.60 0.00 z 0.00 z 63.00 52.50 111.30 7.20 6.30 369.30
1974-75 0.00 0.00 1.10 23.00 22.10 110.70 77.10 83.10 122.20 66.30 55.50 7.30 568.40
1975-76 0.00 0.00 0.00 31.00 t 123.00 56.00 69.50 61.50 108.00 0.00 z 0.00 8.00 426.00
1976-77 0.00 0.00 0.00 7.50 12.50 14.00 43.00 c 72.00 113.00 18.00 0.00 z 0.00 z 280.00
1977-78 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
1978-79 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 2.50 2.50
1979-80 0.00 0.00 0.00 25.00 79.50 27.00 144.00 112.50 123.00 30.00 47.00 1.00 589.00
1980-81 0.00 0.00 0.00 37.00 40.00 34.00 73.00 82.00 110.00 52.00 66.00 9.00 503.00
1981-82 0.00 0.00 0.00 65.50 47.00 184.00 143.00 85.00 164.00 73.00 24.00 10.00 795.50
1982-83 2.00 0.00 45.00 70.00 65.80 165.00 75.50 68.00 160.00 112.50 78.50 4.50 846.80
1983-84 0.00 0.00 0.00 12.50 143.50 244.50 42.00 104.00 85.00 124.50 27.50 25.00 808.50
1984-85 0.00 0.00 7.50 46.80 112.50 105.00 44.00 61.50 99.50 34.50 28.00 4.20 543.50
1985-86 0.00 0.00 0.00 b 24.60 132.00 62.00 56.00 112.70 100.00 135.60 a 88.90 0.00 711.80
1986-87 0.00 0.00 29.00 10.00 51.80 b 8.30 a 59.50 33.50 a 63.00 a 17.00 a 0.00 c 0.00 272.10
1987-88 0.00 0.00 0.00 0.00 28.00 62.00 73.00 b 27.50 74.30 c 24.50 a 23.00 c 0.00 312.30
1988-89 0.00 0.00 2.20 0.00 124.50 c 89.50 62.00 82.50 58.00 46.00 4.00 0.00 468.70
1989-90 0.00 0.00 0.00 0.00 a 57.00 25.50 d 91.00 a 73.00 f 56.00 e 25.00 a 4.00 a 0.00 a 258.50
1990-91 0.00 0.00 0.00 9.50 a 72.80 a 54.40 a 57.80 51.00 106.00 123.00 23.00 a 0.00 497.50
1991-92 0.00 0.00 0.00 55.00 a 103.00 39.00 28.00 56.80 a 33.00 a 19.00 0.00 a 7.00 340.80
1992-93 0.00 0.00 z 0.00 16.00 96.50 b 93.00 b 146.00 b 99.00 a 47.50 77.50 a 67.00 a 17.00 659.50
1993-94 0.00 0.00 0.00 18.50 a 29.50 a 50.00 a 54.50 d 98.50 a 28.00 b 0.00 z 6.00 0.00 285.00
1994-95 0.00 0.00 0.00 40.00 a 143.00 a 60.00 a 130.50 a 46.00 a 105.00 a 57.00 b 45.50 a 12.00 639.00
1995-96 0.00 0.00 6.00 34.00 b 50.00 45.50 150.00 b 83.00 a 69.00 b 75.00 7.00 0.00 519.50
1996-97 0.00 0.00 13.00 62.50 a 57.00 119.00 c 121.60 a 78.50 a 47.50 53.00 b 26.00 0.00 578.10
1997-98 0.00 0.00 0.00 64.00 36.00 a 73.40 a 112.80 a 135.50 77.00 a 67.00 13.00 b 24.00 a 602.70
1998-99 0.00 0.00 0.00 35.50 a 45.70 37.10 92.50 68.90 35.00 65.00 a 51.00 a 5.00 a 435.70
1999-00 0.00 0.00 0.00 7.00 26.10 83.00 97.40 100.50 87.50 14.50 b 27.00 0.00 443.00
2000-01 0.00 0.00 10.00 40.00 79.00 71.00 65.00 69.00 39.00 95.00 3.00 7.00 478.00
2001-02 0.00 0.00 0.00 0.00 z 112.00 a 74.30 65.50 a 38.00 b 101.50 44.00 22.50 0.00 457.80
2002-03 0.00 0.00 0.00 28.00 35.00 a 51.00 d 27.00 a 59.30 76.00 a 49.00 a 33.00 6.00 364.30
2003-04 0.00 0.00 6.00 12.00 101.50 a 130.00 58.50 98.00 d 48.00 a 32.00 17.00 6.00 509.00
2004-05 0.00 0.00 a 0.00 a 81.00 48.00 b 0.00 z 75.50 a 70.00 121.00 31.30 a 42.00 2.00 a 470.80
2005-06 0.00 0.00 0.00 19.00 50.00 b 125.50 135.00 63.00 129.00 63.00 0.00 z 0.00 584.50
2006-07 0.00 0.00 0.00 z 28.00 63.00 47.00 44.00 95.00 a 0.00 z 0.00 z 12.10 a 18.00 307.10
2007-08 0.00 0.00 12.50 a 39.20 b 6.00 c 129.40 134.70 b 99.50 73.60 65.50 a 33.70 a 9.00 603.10
2008-09 0.00 0.00 2.00 10.10 49.50 a 101.50 63.50 c 68.10 111.10 c 79.00 c 0.50 a 0.00 485.30
2009-10 0.00 0.00 12.50 19.50 d 23.00 71.00 79.50 b 41.50 b 47.00 c 114.00 41.50 d 0.50 450.00
2010-11 0.00 0.00 0.00 28.50 53.00 c 103.00 c 41.10 97.60 c 85.00 a 101.50 b 35.00 d 0.10 f 544.70
2011-12 0.00 n 0.00 l 0.00 j 19.50 d 27.00 g 11.50 c 55.00 a 50.00 b 54.50 c 24.50 f 8.00 i 0.00 h 190.50
2012-13 0.00 l 0.00 k 0.00 p 14.00 n 50.00 f 97.00 a 43.10 b 59.00 b 31.70 b 2.00 z 0.00 z 0.00 z 230.80
Period of Record Statistics
MEAN 0.04 0.00 4.27 30.62 62.85 80.27 82.11 75.01 79.27 60.40 26.84 4.80 531.31
S.D. 0.30 0.00 8.79 23.16 34.09 45.40 36.97 29.30 34.08 33.77 23.21 6.51 142.20
SKEW 6.48 0.00 3.02 0.93 0.69 1.02 0.34 0.71 0.40 0.47 0.82 1.65 0.50
MAX 2.00 0.00 45.00 98.00 143.50 244.50 168.00 155.00 164.00 135.60 88.90 25.00 846.80
MIN 0.00 0.00 0.00 0.00 6.00 8.30 1.00 27.50 6.80 9.00 0.00 0.00 272.10
NO YRS 45 46 43 44 55 62 64 64 62 53 39 41 27