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

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CDUS43 KLSX 272131
CLISTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
431 PM CDT WED AUG 27 2025

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

...THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 27 2025...
VALID TODAY AS OF 0400 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         81    235 PM 102    1881  87     -6      102
                                      2024
  MINIMUM         56    538 AM  51    1968  67    -11       81
  AVERAGE         69                        77     -8       92

PRECIPITATION (IN)
  TODAY            0.00          1.72 1874   0.10  -0.10     0.00
  MONTH TO DATE    1.48                      2.99  -1.51     1.06
  SINCE JUN 1     10.44                     11.41  -0.97    10.57
  SINCE JAN 1     32.09                     29.28   2.81    31.36

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 JUN 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        0
  SINCE JUN 1      0                         4     -4        0
  SINCE JUL 1      0                         0      0        0

 COOLING
  TODAY            4                        12     -8       27
  MONTH TO DATE  360                       381    -21      386
  SINCE JUN 1   1313                      1208    105     1317
  SINCE JAN 1   1484                      1403     81     1630
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     2.4


SKY COVER
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    80           400 AM
 LOWEST     32           200 PM
 AVERAGE    56

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


THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   87       101      1913
                                             1990
 MINIMUM TEMPERATURE (F)   67        48      1986


SUNRISE AND SUNSET
AUGUST 27 2025........SUNRISE   626 AM CDT   SUNSET   739 PM CDT
AUGUST 28 2025........SUNRISE   627 AM CDT   SUNSET   737 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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