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

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874
CDUS43 KLSX 120732
CLISTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
232 AM CDT WED AUG 12 2026

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

...THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 11 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         96    208 PM 104    1881  89      7       93
  MINIMUM         80    533 AM  56    1930  70     10       73
                                      1967
  AVERAGE         88                        80      8       83

PRECIPITATION (IN)
  YESTERDAY        0.00          2.34 1939   0.12  -0.12     0.00
  MONTH TO DATE    1.79                      1.30   0.49     0.03
  SINCE JUN 1     15.74                      9.72   6.02     8.99
  SINCE JAN 1     34.41                     27.59   6.82    30.64

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 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
  YESTERDAY        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
  YESTERDAY       23                        15      8       18
  MONTH TO DATE  164                       165     -1      150
  SINCE JUN 1    997                       992      5     1103
  SINCE JAN 1   1269                      1187     82     1274
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED    10.8


SKY COVER
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    79          1200 AM
 LOWEST     49           500 PM
 AVERAGE    64

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   89       106      1881
 MINIMUM TEMPERATURE (F)   70        51      1967


SUNRISE AND SUNSET
AUGUST 12 2026........SUNRISE   613 AM CDT   SUNSET   800 PM CDT
AUGUST 13 2026........SUNRISE   614 AM CDT   SUNSET   758 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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