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

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CDUS43 KLSX 092230
CLISTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
530 PM CDT THU OCT 09 2025

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

...THE ST. LOUIS CLIMATE SUMMARY FOR OCTOBER 9 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         73    407 PM  89    1879  72      1       80
                                      1938
  MINIMUM         49    446 AM  30    2000  52     -3       50
  AVERAGE         61                        62     -1       65

PRECIPITATION (IN)
  TODAY            0.00          1.72 2017   0.10  -0.10     0.00
  MONTH TO DATE    T                         0.83  -0.83     0.00
  SINCE SEP 1      0.74                      3.79  -3.05     5.75
  SINCE JAN 1     32.83                     33.46  -0.63    37.43

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            4                         5     -1        0
  MONTH TO DATE    8                        38    -30        9
  SINCE SEP 1     12                        70    -58       12
  SINCE JUL 1     12                        71    -59       12

 COOLING
  TODAY            0                         2     -2        0
  MONTH TO DATE   66                        25     41       27
  SINCE SEP 1    335                       237     98      295
  SINCE JAN 1   1856                      1687    169     2003
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     E (110)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     E (100)
  AVERAGE WIND SPEED    MM


SKY COVER
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    66           700 AM
 LOWEST     30           300 PM
 AVERAGE    48

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


THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        92      1963
 MINIMUM TEMPERATURE (F)   51        29      1964


SUNRISE AND SUNSET
OCTOBER  9 2025.......SUNRISE   705 AM CDT   SUNSET   631 PM CDT
OCTOBER 10 2025.......SUNRISE   706 AM CDT   SUNSET   630 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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