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

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518
CDUS43 KLSX 152226
CLISTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
526 PM CDT WED OCT 15 2025

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

...THE ST. LOUIS CLIMATE SUMMARY FOR OCTOBER 15 2025...
VALID AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         84    107 PM  90    1897  70     14       58
  MINIMUM         62    612 AM  30    1937  50     12       43
  AVERAGE         73                        60     13       51

PRECIPITATION (IN)
  TODAY            0.00          1.29 1914   0.11  -0.11      T
  MONTH TO DATE    T                         1.41  -1.41      T
  SINCE SEP 1      0.74                      4.37  -3.63     5.75
  SINCE JAN 1     32.83                     34.04  -1.21    37.43

SNOWFALL (IN)
  TODAY            0.0           T    1954   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                         7     -7       14
  MONTH TO DATE    9                        74    -65       33
  SINCE SEP 1     13                       106    -93       36
  SINCE JUL 1     13                       107    -94       36

 COOLING
  TODAY            8                         1      7        0
  MONTH TO DATE   94                        35     59       46
  SINCE SEP 1    363                       247    116      314
  SINCE JAN 1   1884                      1697    187     2022
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     N (340)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED     4.1


SKY COVER
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    78           400 AM
 LOWEST     38           100 PM
 AVERAGE    58

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


THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   69        89      1950
 MINIMUM TEMPERATURE (F)   49        32      1943


SUNRISE AND SUNSET
OCTOBER 15 2025.......SUNRISE   711 AM CDT   SUNSET   623 PM CDT
OCTOBER 16 2025.......SUNRISE   712 AM CDT   SUNSET   621 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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