Seasonal Precipitation Totals for Winter (Dec,Jan,Feb) Boise, Idaho (airport) for the 84-season period 1940-1941 through 2022-2023 normal (1991-20) = 3.93 inches Rank Rank Among Among Data Season Driest Wettest 1.31 1976-77 w- 1 84 1.38 1984-85 c- 2 83 1.63 1991-92 w+ 3 82 1.73 1989-90 4 81 1.80 1946-47 5 80 1.81 2004-05 w- 6 79 2.02 1943-44 7 78 2.05 1960-61 8 77 2.09 1986-87 w 9 76 2.15 1965-66 w+ 10 75 2.28 2001-02 11 74 2.33 2000-01 c- 12 73 2.37 1990-91 13 72 2.41 1976-77 w- 14 71 2.67 1961-62 15 70 2.69 2021-22 16 69 2.76 2007-08 c+ 17 68 2.78 1987-88 w+ 18 67 2.79 1953-54 w- 19 tie 2.79 1967-68 c- tie 65 2.82 2008-09 c- 21 64 2.84 1954-55 c- 22 63 2.93 2012-13 c- 23 62 2.94 2017-18 c- 24 61 3.05 1947-48 25 60 3.08 1962-63 26 59 3.09 2006-07 w- 27 58 3.10 1988-89 c+ 28 57 3.16 1993-94 29 56 3.20 2022-23 30 55 3.21 2015-16 w++ 31 54 3.24 1958-59 w- 32 53 3.25 1966-67 33 52 3.28 1940-41 w+ 34 51 3.35 1972-73 w+ 35 50 3.41 2020-21 c 36 49 3.50 1992-93 37 48 3.59 1979-80 w- 38 47 3.60 1956-57 39 tie 3.60 1959-60 tie 45 3.67 1963-64 w 41 44 3.69 2013-14 c- 42 43 3.71 1980-81 43 42 3.73 1978-79 44 41 3.75 2011-12 c 45 40 3.97 2009-10 w 46 39 4.06 1970-71 c 47 38 4.09 1975-76 c+ 48 37 4.16 1941-42 w+ 49 36 4.24 1973-74 c+ 50 35 4.28 1948-49 w- 51 34 4.30 1949-50 c 52 33 4.40 1994-95 w 53 32 4.45 1944-45 c- 54 31 4.46 2002-03 w 55 30 4.47 1999-00 c+ 56 29 4.50 2019-20 57 28 4.58 1995-96 c 58 27 4.69 1971-72 c- 59 26 4.78 1997-98 w++ 60 25 4.83 1951-52 w 61 24 4.85 1982-83 w++ 62 23 4.90 1942-43 c+ 63 22 4.92 1945-46 64 tie 4.92 1974-75 c- tie 20 4.93 2003-04 66 19 5.01 1998-99 c+ 67 18 5.10 2010-11 c+ 68 17 5.30 1955-56 c 69 16 5.36 1957-58 w+ 70 15 5.52 2005-06 c- 71 tie 5.52 2014-15 w- tie 13 5.68 1981-82 73 12 5.84 1952-53 w- 74 11 5.89 1983-84 c- 75 10 5.92 1985-86 c- 76 9 5.94 1969-70 w- 77 8 6.10 1950-51 c- 78 7 6.17 2016-17 c- 79 6 6.19 2018-19 w- 80 5 6.33 1977-78 w- 81 4 6.34 1996-97 c- 82 3 6.39 1964-65 c- 83 2 6.45 1968-69 w 84 1 4/2/2023 c = la nina w = el nino Oceanic Nino Index weak c- or w- 0.5-0.9 moderate c or w 1.0-1.4 strong c+ or w+ 1.5-1.9 very strong w++ >= 2.0 precip boise seasonal rank airport winter.txt