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

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018
CDUS43 KLSX 102227
CLISTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
527 PM CDT THU SEP 10 2026

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

...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 10 2026...
VALID AS OF 0500 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         80    301 PM  98    1933  83     -3       89
                                      1983
                                      2013
  MINIMUM         71    836 AM  46    1976  63      8       62
  AVERAGE         76                        73      3       76

PRECIPITATION (IN)
  TODAY            0.15          2.89 1984   0.10   0.05     0.00
  MONTH TO DATE    0.25                      1.05  -0.80     0.17
  SINCE SEP 1      0.25                      1.05  -0.80     0.17
  SINCE JAN 1     36.51                     30.72   5.79    32.26

SNOWFALL (IN)
  TODAY            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
  TODAY            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
  TODAY           11                         8      3       11
  MONTH TO DATE  200                        97    103       43
  SINCE SEP 1    200                        97    103       43
  SINCE JAN 1   1768                      1547    221     1564
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     E (110)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     E (110)
  AVERAGE WIND SPEED     4.1


SKY COVER
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           700 AM
 LOWEST     74           400 PM
 AVERAGE    85

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


THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83        98      2013
 MINIMUM TEMPERATURE (F)   63        42      1940


SUNRISE AND SUNSET
SEPTEMBER 10 2026.....SUNRISE   639 AM CDT   SUNSET   717 PM CDT
SEPTEMBER 11 2026.....SUNRISE   640 AM CDT   SUNSET   716 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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