National Weather Service United States Department of Commerce

Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Winter Ranking By Average Temperature 1888/89 - 2011/12
Rank  Season     Temp 
1 1978/79 21.5
2 1977/78 21.9
3 1935/36 24.5
4 1917/18 24.9
1904/05 24.9
6 1981/82 25.1

7 1892/93 25.4
8 1983/84 25.7
9 1898/99 25.9
10 2000/01 26.0 11 1976/77 26.5 2009/10 26.5
1984/85 26.5
14 1911/12 26.8
15 1909/10 27.0
16 1928/28 27.2
2010/11 27.2
18 1901/02 27.5
19 1962/63 28.3
1939/40 28.3
21 2007/08 28.4
22 1894/95 28.9
23 1961/62 29.0
24 1992/93 29.1


25 1996/97 29.2
26 1985/86 29.3
1903/04 29.3
28 1995/96 29.5
1972/73 29.5
30 1973/74 29.7

1902/03 29.7
1979/80 29.7
33 1919/20 29.8
34 1993/94 29.9
1987/88 29.9
1974/75 29.9
37 1899/00 30.0
38 1968/69 30.1
1916/17 30.1
40 1914/15 30.3
41 1990/91 30.5
42 1893/94 30.7
43 1915/16 30.8

44 1958/59 30.9
45 1924/25 31.0
2008/09 31.0
1936/37 31.0
48 1947/48 31.1
49 1944/45 31.3
50 1955/56 31.4
1948/49 31.4
2003/04 31.4
2002/03 31.4
54 1912/13 31.6

55 1989/90 31.7
2006/07 31.7
57 1969/70 31.9
1888/89 31.9
1988/89 31.9
1980/81 31.9
61 1967/68 32.0
1964/65 32.0
1950/51 32.0
1897/98 32.0
65 1971/72 32.4
1900/01 32.4
67 1942/43 32.6
68 1970/71 32.7
69 1963/64 32.8
70 1957/58 32.9
71 1927/28 33.0
1923/24 33.0
1921/22 33.0
74 1959/60 33.2
1929/30 33.2
76 1895/96 33.3

77 1934/35 33.4
1906/07 33.4
79 1994/95 33.5
1896/97 33.5
1945/46 33.5
82 1910/11 33.6
1954/55 33.6
1946/47 33.6
1913/14 33.6
86 2004/05 33.7

87 1960/61 33.8
1956/57 33.8
1937/38 33.8
1982/83 33.8
1940/41 33.8
1890/91 33.8
93 1891/92 34.0

1905/06 34.0
1966/67 34.0
96 1943/44 34.1
97 1926/27 34.3
1949/50 34.3
99 1925/26 34.5
1998/99 34.5
1986/87 34.5
102 1951/52 34.6
1941/42 34.6
1908/09 34.6
1922/23 34.6
106 1975/76 34.7
1938/39 34.7
108 1932/33 34.8
109 1907/08 35.0
110 1965/66 35.2
111 1999/00 36.0
1918/19 36.0
1933/34 36.0
114 2005/06 36.1
2001/02 36.1
116 1997/98 36.2
1952/53 36.2 118 2011/12 36.4
119 1953/54 36.9
1889/90 36.9
121 1991/92 37.2
122 1920/21 37.9
123 1930/31 38.5
124 1931/32 39.1
Winter Average Temperature by Season 1888/89 - 2011/12
Season      Temp
1888/89 31.9
1889/90 36.9
1890/91 33.8
1891/92 34.0
1892/93 25.4
1893/94 30.7
1894/95 28.9
1895/96 33.3
1896/97 33.5
1897/98 32.0
1898/99 25.9
1899/00 30.0
1900/01 32.4
1901/02 27.5
1902/03 29.7
1903/04 29.3
1904/05 24.9
1905/06 34.0
1906/07 33.4
1907/08 35.0
1908/09 34.6
1909/10 27.0
1910/11 33.6
1911/12 26.8
1912/13 31.6
1913/14 33.6
1914/15 30.3
1915/16 30.8
1916/17 30.1
1917/18 24.9
1918/19 36.0
1919/20 29.8
1920/21 37.9
1921/22 33.0
1922/23 34.6
1923/24 33.0
1924/25 31.0
1925/26 34.5
1926/27 34.3
1927/28 33.0
1928/29 27.2
1929/30 33.2
1930/31 38.5
1931/32 39.1
1932/33 34.8
1933/34 36.0
1934/35 33.4
1935/36 24.5
1936/37 31.0
1937/38 33.8
1938/39 34.7
1939/40 28.3
1940/41 33.8
1941/42 34.6
1942/43 32.6
1943/44 34.1
1944/45 31.3
1945/46 33.5
1946/47 33.6
1947/48 31.1

1948/49 31.4
1949/50 34.3
1950/51 32.0
1951/52 34.6
1952/53 36.2
1953/54 36.9
1954/55 33.6
1955/56 31.4
1956/57 33.8
1957/58 32.9
1958/59 30.9
1959/60 33.2
1960/61 33.8
1961/62 29.0
1962/63 28.3
1963/64 32.8
1964/65 32.0
1965/66 35.2
1966/67 34.0
1967/68 32.0
1968/69 30.1
1969/70 31.9
1970/71 32.7
1971/72 32.4
1972/73 29.5
1973/74 29.7
1974/75 29.9
1975/76 34.7
1976/77 26.5
1977/78 21.9
1978/79 21.5
1979/80 29.7
1980/81 31.9
1981/82 25.1
1982/83 33.8
1983/84 25.7
1984/85 26.5
1985/86 29.3
1986/87 34.5
1987/88 29.9
1988/89 31.9
1989/90 31.7
1990/91 30.5
1991/92 37.2
1992/93 29.1
1993/94 29.9
1994/95 33.5
1995/96 29.5
1996/97 29.2
1997/98 36.2
1998/99 34.5
1999/00 36.1
2000/01 26.0
2001/02 36.1
2002/03 31.4
2003/04 31.4
2004/05 33.7
2005/06 36.0
2006/07 31.7
2007/08 28.4
2008/09 31.0
2009/10 26.5 2010/11 27.2 2011/12 36.4