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

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CDUS43 KLSX 192127
CLISTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
427 PM CDT WED AUG 19 2026

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

...THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 19 2026...
VALID TODAY AS OF 0400 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         81    146 PM 105    1936  88     -7       93
                                      1962
  MINIMUM         71    710 AM  55    1953  69      2       77
  AVERAGE         76                        79     -3       85

PRECIPITATION (IN)
  TODAY            0.15          2.03 1914   0.11   0.04     0.04
  MONTH TO DATE    3.62                      2.17   1.45     1.48
  SINCE JUN 1     17.57                     10.59   6.98    10.44
  SINCE JAN 1     36.24                     28.46   7.78    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           11                        14     -3       20
  MONTH TO DATE  302                       278     24      308
  SINCE JUN 1   1135                      1105     30     1261
  SINCE JAN 1   1407                      1300    107     1432
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     7.8


SKY COVER
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    94           500 AM
 LOWEST     74          1200 AM
 AVERAGE    84

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


THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   88       104      1962
 MINIMUM TEMPERATURE (F)   69        52      1950


SUNRISE AND SUNSET
AUGUST 19 2026........SUNRISE   619 AM CDT   SUNSET   750 PM CDT
AUGUST 20 2026........SUNRISE   620 AM CDT   SUNSET   749 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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