National Weather Service United States Department of Commerce

Powerful Pacific System Impacting the West; First Significant Snow for Portions of the East

Power Pacific system will continue to bring significant impacts for Pacific Northwest into northern California the remainder of the week. Dangerous coastal affects, heavy rain, flooding, strong winds, and higher elevation mountain snow continues. Meanwhile, a storm across the east is set to bring the first accumulating snow to many higher elevations of the Catskills into the central Appalachians. Read More >

Fort Smith, Arkansas
September Climate Data (Page 2)

    |-- Temp. Records --||- Precip Records -||------ Degree Day Normals -------|
     Hi        Lo         Record    Record    Heating          Cooling
Day  Mean Year Mean Year  Rain Year Snow Year Day Month Season Day Month Season  Day
 1   92.0 2000 63.0 1882  3.93 2020  0.0  --    0    0      0   14   14   1804    1 
 2   92.5 1939 66.0*2009  2.70 1974  0.0  --    0    0      0   14   28   1818    2 
 3   92.5 2000 62.0 1974  3.15 2008  0.0  --    0    0      0   14   42   1832    3 
 4  (93.5)1939 61.5 1974  1.67 1918  0.0  --    0    0      0   14   56   1846    4 
 5   90.0 1998 64.0 1974  1.91 1977  0.0  --    0    0      0   13   69   1859    5 
 
 6   90.0 2012 62.0 1974  1.24 1943  0.0  --    0    0      0   13   82   1872    6 
 7   89.0 1939 65.0*1918  2.15 1895  0.0  --    0    0      0   13   95   1885    7 
 8   88.5 1939 65.0 1956  1.61 1942  0.0  --    0    0      0   12  107   1897    8 
 9   87.5 1939 63.5 1898  3.52 2007  0.0  --    0    0      0   12  119   1909    9 
10   87.5 1938 60.5 1976  2.10 1897  0.0  --    0    0      0   12  131   1921   10 
 
11   89.5 1909 60.5 1940  1.76 1947  0.0  --    0    0      0   12  143   1933   11 
12   88.0 1936 60.0 1902  3.41 1945  0.0  --    0    0      0   11  154   1944   12 
13   87.5 1939 56.0 1902  1.95 2008  0.0  --    0    0      0   11  165   1955   13 
14   87.5 1939 58.5 1949  3.47 2005  0.0  --    0    0      0   11  176   1966   14 
15   88.0 1939 58.5 1975  3.10 1925  0.0  --    0    0      0   10  188   1976   15 
 
16   86.5 1939 58.0 1903  2.30 1958  0.0  --    0    0      0   10  198   1986   16 
17   85.5*1931 56.5 1903  1.80 1884  0.0  --    0    0      0   10  208   1996   17 
18   85.0*1978 55.5 1981  1.27 1991  0.0  --    0    0      0    9  217   2005   18 
19   86.5 1954 55.5 1971  2.16 1924  0.0  --    0    0      0    9  226   2014   19 
20   89.0 1954 56.5 1991  1.59 1947  0.0  --    0    0      0    9  235   2023   20 
 
21   85.5 2022 54.0 1983 (4.44)2018  0.0  --    1    1      1    9  244   2032   21 
22   85.0 1980 52.5 1995  2.09 1955  0.0  --    1    2      2    8  252   2040   22 
23   85.0 1931 54.0*1995  2.52 1988  0.0  --    1    3      3    8  260   2048   23 
24   84.0 1920 53.0 1989  3.18 1937  0.0  --    1    4      4    8  268   2056   24 
25   83.0 1986 51.5 2000  2.76 1959  0.0  --    1    5      5    7  275   2063   25 
 
26   83.0 1977 53.0 1942  2.87 1936  0.0  --    1    6      6    7  282   2070   26 
27   82.5 1938 51.0 1942  2.64 1927  0.0  --    1    7      7    7  289   2077   27 
28   84.0 1953 52.5 1967  1.64 1926  0.0  --    1    8      8    6  295   2083   28 
29   83.5 1911 52.5 1967  3.26 1934  0.0  --    1    9      9    6  301   2089   29 
30   81.5*1998(50.5)1984* 2.06 1883  0.0  --    1   10     10    6  307   2095   30
* Indicates occurrences in previous years     ( ) Indicates monthly extremes
Period of Record:

Temperature:  June 1882 - Present
Rainfall:     June 1882 - Present
Snowfall:     October 1883 - Present
Normals:      1981-2010 (30 Year Average)
(Monthly normals are computed by adding all of the daily mean data
 and then dividing by the number of days in the month)

 

Updated: November 5, 2023