Climatological Report (Daily)
Issued by NWS

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873
CDUS44 KBMX 202120
CLIEET

CLIMATE REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
420 PM CDT SAT SEP 20 2025

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

...THE SHELBY COUNTY AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 2025...
VALID AS OF 0400 PM LOCAL TIME.

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


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         97R   235 PM  96    2010  85     12       93
  MINIMUM         63    553 AM  53    2012  64     -1       68
  AVERAGE         80                        75      5       81

PRECIPITATION (IN)
  TODAY            0.00          1.76 2011   0.12  -0.12     0.00
  MONTH TO DATE    0.40                      2.39  -1.99     4.03
  SINCE SEP 1      0.40                      2.39  -1.99     4.03
  SINCE JAN 1     44.42                     42.35   2.07    46.23

DEGREE DAYS
 HEATING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1      0                         0      0        0
  SINCE JUL 1      0                         0      0        0

 COOLING
  TODAY           15                        10      5       16
  MONTH TO DATE  269                       245     24      267
  SINCE SEP 1    269                       245     24      267
  SINCE JAN 1   2077                      1980     97     2211
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED     6   HIGHEST WIND DIRECTION     N (10)
  HIGHEST GUST SPEED    10   HIGHEST GUST DIRECTION     N (360)
  AVERAGE WIND SPEED     0.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           300 AM
 LOWEST     30           200 PM
 AVERAGE    65

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


THE SHELBY COUNTY AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   85        95      2016
 MINIMUM TEMPERATURE (F)   64        51      2006


SUNRISE AND SUNSET
SEPTEMBER 20 2025.....SUNRISE   634 AM CDT   SUNSET   646 PM CDT
SEPTEMBER 21 2025.....SUNRISE   635 AM CDT   SUNSET   645 PM CDT


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




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