Climatological Report (Daily)
Issued by NWS St Louis, MO

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056
CDUS43 KLSX 120737
CLISTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
237 AM CDT SAT SEP 12 2026

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

...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 11 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         83    410 PM  98    2013  83      0       90
  MINIMUM         69    523 AM  42    1940  63      6       64
  AVERAGE         76                        73      3       77

PRECIPITATION (IN)
  YESTERDAY        T             1.28 1944   0.11  -0.11     0.00
  MONTH TO DATE    0.25                      1.16  -0.91     0.17
  SINCE SEP 1      0.25                      1.16  -0.91     0.17
  SINCE JAN 1     36.51                     30.83   5.68    32.26

SNOWFALL (IN)
  YESTERDAY        0.0           0.0  2015   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE SEP 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        4
  SINCE SEP 1      0                         0      0        4
  SINCE JUL 1      0                         1     -1        4

 COOLING
  YESTERDAY       11                         8      3       12
  MONTH TO DATE  211                       105    106       55
  SINCE SEP 1    211                       105    106       55
  SINCE JAN 1   1779                      1555    224     1576
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    SE (120)
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     E (100)
  AVERAGE WIND SPEED     4.6


SKY COVER
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           400 AM
 LOWEST     57           200 PM
 AVERAGE    77

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83        98      1897
                                             1936
                                             1956
 MINIMUM TEMPERATURE (F)   62        44      1940


SUNRISE AND SUNSET
SEPTEMBER 12 2026.....SUNRISE   640 AM CDT   SUNSET   714 PM CDT
SEPTEMBER 13 2026.....SUNRISE   641 AM CDT   SUNSET   713 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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