Dangerous Heat in the Central and Southern U.S.; Thunderstorms and Heavy Rain in the Northern Plains

Dangerous, prolonged heat is expected across portions of the Central and Southeast U.S. through July. Scattered severe thunderstorms are expected over parts of the northern Plains into the upper Mississippi Valley Tuesday, with damaging winds and large hail as the primary threats. Heavy rainfall could lead to areas of flooding across the northern Plains, Upper Midwest, Southeast and Southwest. Read More >

                                  KNOXVILLE TN
                            DAILY NORMALS AND RECORDS
                                    DECEMBER

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

 1     55    35    45    20     0    0.16    73  2006    13  1929    2.93 1991
 2     54    35    44    20     0    0.17    76  1982    12  1876    2.26 2023
 3     54    35    44    21     0    0.17    79  1982    10  1929    1.91 1931
 4     54    34    44    21     0    0.17    80  1982    12  1871    4.00 1993
 5     53    34    44    21     0    0.17    76  2013     7  1871    2.84 1910

 6     53    34    44    21     0    0.18    74  1998     9  1871    2.50 1936
 7     53    34    43    22     0    0.17    77  1951     6  1886    1.77 1957
 8     53    34    43    22     0    0.17    75  1978     5  1882    2.66 1924
 9     52    34    43    22     0    0.18    72  1978     5  1917    2.22 1978
 10    52    34    43    22     0    0.18    73  1971     8  1917    1.85 2008

 11    52    33    43    22     0    0.17    75  2007    10  1957    2.46 1961
 12    52    33    42    22     0    0.18    74  1931     3  1962    2.16 1956
 13    51    33    42    23     0    0.17    71  2007    -2  1962    3.06 1956
 14    51    33    42    23     0    0.18    72  2015     9  1917    3.42 1901
 15    51    33    42    23     0    0.16    73  1971     5  1914    1.54 1922

 16    51    33    42    23     0    0.16    73  2019     5  1914    1.27 2012
 17    51    33    42    23     0    0.16    74  1924    10  1882    2.16 1961
 18    50    33    41    24     0    0.16    73  1924     7  1875    1.74 2009
 19    50    32    41    24     0    0.15    69  1967     5  1884    2.52 1872
 20    50    32    41    24     0    0.16    71  1978     5  1901    1.77 1951

 21    50    32    41    24     0    0.15    75  2013     0  1901    1.90 1884
 22    50    32    41    24     0    0.15    73  2013     2  1989    1.99 1967
 23    49    32    41    24     0    0.15    69  1970     0  1989    2.59 1990
 24    49    32    40    24     0    0.16    73  2015    -2  1983    1.97 1948
 25    49    32    40    25     0    0.14    76  1982    -6  1983    2.19 2015

 26    49    32    40    25     0    0.15    74  2015     1  1983    2.53 1901
 27    49    31    40    25     0    0.14    77  2015     5  1925    1.83 1932
 28    49    31    40    25     0    0.15    76  2015     4  1925    1.81 1915
 29    49    31    40    25     0    0.15    78  2019     0  1880    2.42 1901
 30    49    31    40    25     0    0.14    73  1990    -5  1880    4.70 1969

 31    48    31    40    25     0    0.15    74  1984    -1  1880    1.78 1924

 MO     51  32.8  41.9  716     0    5.00    80  1982    -6  1983    4.70 1969

 DATE OF OCCURANCE IN MONTH                        (4)        (25)         (30)

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