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

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782
CDUS43 KLSX 152231
CLISTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
531 PM CDT TUE SEP 15 2026

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

...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 15 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         98    356 PM 101    1939  81     17       92
  MINIMUM         76    611 AM  45    1961  61     15       72
                                      2007
  AVERAGE         87                        71     16       82

PRECIPITATION (IN)
  TODAY            0.00          2.05 1914   0.10  -0.10     0.00
  MONTH TO DATE    0.25                      1.58  -1.33     0.17
  SINCE SEP 1      0.25                      1.58  -1.33     0.17
  SINCE JAN 1     36.51                     31.25   5.26    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                         1     -1        0
  MONTH TO DATE    0                         3     -3        4
  SINCE SEP 1      0                         3     -3        4
  SINCE JUL 1      0                         4     -4        4

 COOLING
  TODAY           22                         7     15       17
  MONTH TO DATE  272                       135    137      126
  SINCE SEP 1    272                       135    137      126
  SINCE JAN 1   1840                      1585    255     1647
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED    10.4


SKY COVER
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    74           500 AM
 LOWEST     38           300 PM
 AVERAGE    56

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


THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   81        98      1927
                                             1954
 MINIMUM TEMPERATURE (F)   61        44      1966


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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