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

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CDUS43 KLSX 202229
CLISTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
529 PM CDT THU AUG 20 2026

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

...THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 20 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         85    359 PM 104    1962  88     -3       86
  MINIMUM         73    603 AM  52    1950  69      4       72
  AVERAGE         79                        78      1       79

PRECIPITATION (IN)
  TODAY            0.00          6.85 1915   0.11  -0.11      T
  MONTH TO DATE    3.62                      2.28   1.34     1.48
  SINCE JUN 1     17.57                     10.70   6.87    10.44
  SINCE JAN 1     36.24                     28.57   7.67    32.09

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           14                        14      0       14
  MONTH TO DATE  316                       292     24      322
  SINCE JUN 1   1149                      1119     30     1275
  SINCE JAN 1   1421                      1314    107     1446
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     N (360)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     N (350)
  AVERAGE WIND SPEED     5.8


SKY COVER
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           500 AM
 LOWEST     59           200 PM
 AVERAGE    78

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


THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   88       104      2003
 MINIMUM TEMPERATURE (F)   69        50      1940
                                             1950


SUNRISE AND SUNSET
AUGUST 20 2026........SUNRISE   620 AM CDT   SUNSET   749 PM CDT
AUGUST 21 2026........SUNRISE   621 AM CDT   SUNSET   748 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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