Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

                                  TRI-CITIES TN
                            DAILY NORMALS AND RECORDS
                                      MARCH

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

 1     55    32    44    22     0    0.13    81  1997    13  2002    1.72 2017
 2     55    32    44    21     0    0.14    77  1976     7  1980    1.48 2023
 3     55    33    44    21     0    0.13    79  1976    -2  1980    1.11 1999
 4     56    33    44    21     0    0.13    82  1976     3  1943    1.33 2008
 5     56    33    44    20     0    0.13    77  2022     5  1960    2.13 1963

 6     56    33    45    20     0    0.13    79  2022     3  1960    1.63 2011
 7     57    34    45    20     0    0.14    79  1956    14  1960    0.93 1941
 8     57    34    45    20     0    0.13    78  2000     9  1960    1.53 1995
 9     57    34    46    20     0    0.13    79  2016    10  1996    1.10 1960
 10    57    34    46    19     0    0.12    82  2016    12  1996    1.44 1968

 11    58    34    46    19     0    0.13    78  2006    15  1998    1.32 1963
 12    58    35    46    19     0    0.12    81  2016    14  1969    1.85 1963
 13    58    35    46    18     0    0.13    78  1990     6  1960    1.39 1975
 14    59    35    47    18     0    0.12    82  1990     8  1993    0.98 1964
 15    59    35    47    18     0    0.13    82  1942     1  1993    1.45 1973

 16    59    35    47    18     0    0.13    84  1942    14  1949    2.78 1973
 17    60    36    48    17     0    0.12    79  1945    17  1988    2.01 2002
 18    60    36    48    17     0    0.13    85  1943    15  1967    1.95 1955
 19    60    36    48    17     0    0.12    81  1945    20  1985    1.19 1944
 20    61    36    48    17     0    0.12    85  2012    17  2023    1.47 2000

 21    61    36    49    16     0    0.13    80  2012    12  1965    1.24 1943
 22    61    37    49    16     0    0.13    81  1938    16  2013    0.86 1968
 23    62    37    49    16     0    0.12    79  2022    18  2004    1.04 2011
 24    62    37    50    16     0    0.13    82  2023    21  1940    1.25 2018
 25    62    37    50    15     0    0.12    85  1954    12  1940    1.03 2021

 26    63    38    50    15     0    0.13    82  1944    11  1940    1.48 1965
 27    63    38    50    15     0    0.13    82  2020    12  1955    2.95 1994
 28    63    38    51    14     0    0.12    82  2020    19  2001    1.04 2021
 29    64    38    51    14     0    0.13    82  1989    18  2015    2.22 1975
 30    64    39    51    14     0    0.13    82  1985    15  1964    2.34 1977

 31    64    39    52    14     0    0.13    81  1986    19  1964    1.13 1954

 MO   59.4  35.4  47.4  546     1    3.96    85  1943    -2  1980    2.95 1994
                                                 2012                          
                                                 1954                          

 DATE OF OCCURANCE IN MONTH                 (18,20,25)         (3)         (27)

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