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

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195
CDUS43 KLSX 200729
CLICOU

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
229 AM CDT WED AUG 20 2025

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

...THE COLUMBIA ASOS CLIMATE SUMMARY FOR AUGUST 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         95    224 PM 104    1936  88      7       83
  MINIMUM         71   1159 PM  52    1890  67      4       64
                                      1897
  AVERAGE         83                        77      6       74

PRECIPITATION (IN)
  YESTERDAY        0.00          3.08 1904   0.14  -0.14     0.00
  MONTH TO DATE    0.07                      2.48  -2.41     2.85
  SINCE JUN 1     13.29                     10.84   2.45    18.59
  SINCE JAN 1     26.55                     27.70  -1.15    34.53

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       18                        12      6        9
  MONTH TO DATE  255                       250      5      204
  SINCE JUN 1    989                       963     26      936
  SINCE JAN 1   1080                      1109    -29     1124
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED     6.9


SKY COVER
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    94           600 AM
 LOWEST     54           500 PM
 AVERAGE    74

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


THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   88       102      1962
                                             2003
 MINIMUM TEMPERATURE (F)   66        46      1950


SUNRISE AND SUNSET
AUGUST 20 2025........SUNRISE   627 AM CDT   SUNSET   756 PM CDT
AUGUST 21 2025........SUNRISE   628 AM CDT   SUNSET   755 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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