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

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682
CDUS43 KLSX 200731
CLICOU

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
231 AM CDT SUN JUL 20 2025

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

...THE COLUMBIA ASOS CLIMATE SUMMARY FOR JULY 19 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1890 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         90    227 PM 109    1980  89      1       80
  MINIMUM         74    543 AM  56    1947  69      5       60
                                      1979
                                      2009
  AVERAGE         82                        79      3       70

PRECIPITATION (IN)
  YESTERDAY        0.14          3.25 1902   0.13   0.01     0.00
  MONTH TO DATE    2.89                      2.72   0.17    10.89
  SINCE JUN 1     10.80                      6.95   3.85    15.40
  SINCE JAN 1     24.06                     23.81   0.25    31.34

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                         6     -6        0
  SINCE JUL 1      0                         0      0        0

 COOLING
  YESTERDAY       17                        14      3        5
  MONTH TO DATE  250                       256     -6      209
  SINCE JUN 1    536                       550    -14      581
  SINCE JAN 1    627                       696    -69      769
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     8.6


SKY COVER
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HEAVY RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           500 AM
 LOWEST     59           200 PM
 AVERAGE    78

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


THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   89       110      1934
 MINIMUM TEMPERATURE (F)   69        56      1970
                                             2009


SUNRISE AND SUNSET
JULY 20 2025..........SUNRISE   600 AM CDT   SUNSET   830 PM CDT
JULY 21 2025..........SUNRISE   601 AM CDT   SUNSET   829 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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