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

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889
CDUS43 KLSX 150727
CLISTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
227 AM CDT TUE SEP 15 2026

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

...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 14 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         88    347 PM 101    1939  82      6       98
  MINIMUM         63    618 AM  46    1949  62      1       72
                                      1974
                                      1996
  AVERAGE         76                        72      4       85

PRECIPITATION (IN)
  YESTERDAY        0.00          4.58 2008   0.11  -0.11     0.00
  MONTH TO DATE    0.25                      1.48  -1.23     0.17
  SINCE SEP 1      0.25                      1.48  -1.23     0.17
  SINCE JAN 1     36.51                     31.15   5.36    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                         1     -1        0
  MONTH TO DATE    0                         2     -2        4
  SINCE SEP 1      0                         2     -2        4
  SINCE JUL 1      0                         3     -3        4

 COOLING
  YESTERDAY       11                         7      4       20
  MONTH TO DATE  250                       128    122      109
  SINCE SEP 1    250                       128    122      109
  SINCE JAN 1   1818                      1578    240     1630
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    SE (120)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    SE (140)
  AVERAGE WIND SPEED    12.5


SKY COVER
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    72           500 AM
 LOWEST     42           200 PM
 AVERAGE    57

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   81       101      1939
 MINIMUM TEMPERATURE (F)   61        45      1961
                                             2007


SUNRISE AND SUNSET
SEPTEMBER 15 2026.....SUNRISE   643 AM CDT   SUNSET   710 PM CDT
SEPTEMBER 16 2026.....SUNRISE   644 AM CDT   SUNSET   708 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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