National Weather Service United States Department of Commerce

Arctic Outbreak Early Next Week. Be Prepared for the Frigid Cold Temperatures.

An outbreak of Arctic Air will plunge into the Tennessee Valley and southern Appalachians late this weekend and early next week. Light snow accumulations are also expected Sunday and Sunday night especially across the mountains. Be prepared for the cold weather. Read More >

                                 CHATTANOOGA TN
                            DAILY NORMALS AND RECORDS
                                      APRIL

      MAX   MIN   AVG   HDD   CDD    PCPN    REC HIGH     REC LOW     REC PCPN

 1     69    46    58     8     1    0.16    86  1940    26  1987    4.53 1920
 2     70    46    58     8     1    0.17    88  2012    25  1881    2.42 2000
 3     70    46    58     8     1    0.15    89  1999    25  1992    3.32 2000
 4     70    47    58     8     1    0.16    88  1934    29  1975    5.99 1911
 5     71    47    59     7     1    0.16    89  2010    28  1881    3.36 1983

 6     71    47    59     7     1    0.17    88  2010    27  1944    2.10 1892
 7     71    48    59     7     1    0.17    86  1893    27  2007    3.29 1918
 8     72    48    60     6     1    0.17    88  1978    28  2007    1.93 1938
 9     72    48    60     6     1    0.17    89  1978    30  1972    1.14 1984
 10    72    48    60     6     1    0.17    91  1995    29  1985    3.07 1927

 11    73    49    60     6     1    0.16    87  2001    26  1973    3.07 1944
 12    73    49    61     6     1    0.16    89  1887    29  1989    3.13 2020
 13    73    49    61     5     1    0.16    88  1887    28  1975    2.74 1893
 14    73    49    61     5     1    0.16    87  2010    29  1950    2.26 1884
 15    74    50    62     5     2    0.15    87  2006    27  1943    3.13 2011

 16    74    50    62     5     2    0.16    89  2002    31  1975    3.86 1921
 17    74    50    62     4     2    0.15    91  1955    30  1953    4.10 1924
 18    74    51    62     4     2    0.15    90  2002    32  1974    2.69 1943
 19    75    51    63     4     2    0.16    91  2002    29  1983    2.23 1911
 20    75    51    63     4     2    0.16    89  2002    28  1983    1.87 1920

 21    75    51    63     4     2    0.16    88  2002    28  1983    1.27 1928
 22    76    52    64     3     2    0.17    90  1987    33  2021    2.99 1882
 23    76    52    64     3     2    0.17    91  1925    34  1986    3.96 1899
 24    76    52    64     3     2    0.17    92  1925    34  1986    1.84 1937
 25    76    53    64     3     2    0.17    88  2009    32  1974    1.11 1982

 26    76    53    65     3     2    0.17    91  1986    35  1983    2.37 1973
 27    77    53    65     3     3    0.16    92  1986    34  1972    2.15 1912
 28    77    54    65     2     3    0.17    88  1957    34  1967    1.99 1929
 29    77    54    66     2     3    0.16    89  2017    33  1992    2.03 1963
 30    77    54    66     2     3    0.15    93  1942    38  1965    2.39 1953


 MO   73.6  49.9  61.7  147    50    4.87    93  1942    25  1881    5.99 1911
                                                             1992              

 DATE OF OCCURANCE IN MONTH                       (30)       (2,3)          (4)