Climatological Report (Daily)
Issued by NWS Knoxville/Tri Cities, TN

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414
CDUS44 KMRX 120828
CLICHA

CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
428 AM EDT MON MAY 12 2025

...................................

...THE CHATTANOOGA AIRPORT CLIMATE SUMMARY FOR MAY 11 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1879 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         78   2:27 PM  91    1962  80     -2       78
                                      1963
                                      2011
  MINIMUM         58   5:41 AM  40    1954  58      0       52
  AVERAGE         68                        69     -1       65

PRECIPITATION (IN)
  YESTERDAY        1.54          2.16 2019   0.13   1.41     0.00
  MONTH TO DATE    5.77                      1.60   4.17     3.67
  SINCE MAR 1     16.29                     11.81   4.48    12.04
  SINCE JAN 1     24.69                     21.86   2.83    21.66

SNOWFALL (IN)
  YESTERDAY        0.0                       0.0    0.0      0.0
  MONTH TO DATE    T                         0.0    0.0      0.0
  SINCE MAR 1      T                         1.1   -1.1      0.0
  SINCE JUL 1      4.1                       3.6    0.5      2.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE   23                        18      5        0
  SINCE MAR 1    391                       542   -151      343
  SINCE JUL 1   2626                      3014   -388     2515

 COOLING
  YESTERDAY        3                         5     -2        0
  MONTH TO DATE   25                        44    -19       87
  SINCE MAR 1    130                       104     26      169
  SINCE JAN 1    132                       105     27      170
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    SE (140)
  HIGHEST GUST SPEED    34   HIGHEST GUST DIRECTION    SE (130)
  AVERAGE WIND SPEED     5.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           5:00 AM
 LOWEST     62           3:00 PM
 AVERAGE    81

..........................................................


THE CHATTANOOGA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   80        93      1962
 MINIMUM TEMPERATURE (F)   58        40      1989


SUNRISE AND SUNSET
MAY 12 2025...........SUNRISE   6:39 AM EDT   SUNSET   8:35 PM EDT
MAY 13 2025...........SUNRISE   6:38 AM EDT   SUNSET   8:36 PM EDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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