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

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165
CDUS44 KMRX 170817
CLICHA

CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
417 AM EDT SAT MAY 17 2025

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

...THE CHATTANOOGA AIRPORT CLIMATE SUMMARY FOR MAY 16 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         86   3:20 PM  95    1962  81      5       84
  MINIMUM         74   2:03 AM  41    1973  59     15       60
  AVERAGE         80                        70     10       72

PRECIPITATION (IN)
  YESTERDAY        0.00          1.62 1970   0.13  -0.13     0.00
  MONTH TO DATE    8.37                      2.24   6.13     4.12
  SINCE MAR 1     18.89                     12.45   6.44    12.49
  SINCE JAN 1     27.29                     22.50   4.79    22.11

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                        23      0        1
  SINCE MAR 1    391                       547   -156      344
  SINCE JUL 1   2626                      3019   -393     2516

 COOLING
  YESTERDAY       15                         6      9        7
  MONTH TO DATE   67                        72     -5      107
  SINCE MAR 1    172                       132     40      189
  SINCE JAN 1    174                       133     41      190
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     7.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84           8:00 AM
 LOWEST     55           3:00 PM
 AVERAGE    70

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


THE CHATTANOOGA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   81        93      1962
 MINIMUM TEMPERATURE (F)   59        42      1956
                                             1997


SUNRISE AND SUNSET
MAY 17 2025...........SUNRISE   6:35 AM EDT   SUNSET   8:39 PM EDT
MAY 18 2025...........SUNRISE   6:35 AM EDT   SUNSET   8:40 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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