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

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CDUS43 KLSX 122233
CLISTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
533 PM CDT WED AUG 12 2026

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

...THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 12 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         91    244 PM 106    1881  89      2       92
  MINIMUM         80    503 AM  51    1967  70     10       74
  AVERAGE         86                        80      6       83

PRECIPITATION (IN)
  TODAY            0.00          2.68 2019   0.12  -0.12     0.28
  MONTH TO DATE    1.79                      1.42   0.37     0.31
  SINCE JUN 1     15.74                      9.84   5.90     9.27
  SINCE JAN 1     34.41                     27.71   6.70    30.92

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           21                        15      6       18
  MONTH TO DATE  185                       180      5      168
  SINCE JUN 1   1018                      1007     11     1121
  SINCE JAN 1   1290                      1202     88     1292
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED     9.5


SKY COVER
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    74           100 AM
 LOWEST     56           100 PM
 AVERAGE    65

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


THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   89       103      1936
 MINIMUM TEMPERATURE (F)   70        50      1964


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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