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

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695
CDUS43 KLSX 210728
CLICOU

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
228 AM CDT FRI AUG 21 2026

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

...THE COLUMBIA ASOS CLIMATE SUMMARY FOR AUGUST 20 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1890 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         84    327 PM 102    1962  88     -4       89
                                      2003
  MINIMUM         69   1159 PM  46    1950  66      3       69
  AVERAGE         77                        77      0       79

PRECIPITATION (IN)
  YESTERDAY        0.00          3.38 2010   0.15  -0.15     0.00
  MONTH TO DATE    4.26                      2.63   1.63     0.07
  SINCE JUN 1     15.64                     10.99   4.65    13.29
  SINCE JAN 1     38.20                     27.85  10.35    26.55

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       12                        12      0       14
  MONTH TO DATE  270                       262      8      269
  SINCE JUN 1    983                       975      8     1003
  SINCE JAN 1   1157                      1121     36     1094
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION    NE (50)
  AVERAGE WIND SPEED     5.1


SKY COVER
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     61           200 PM
 AVERAGE    81

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


THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   87       105      2003
 MINIMUM TEMPERATURE (F)   66        48      1950
                                             1956


SUNRISE AND SUNSET
AUGUST 21 2026........SUNRISE   628 AM CDT   SUNSET   755 PM CDT
AUGUST 22 2026........SUNRISE   629 AM CDT   SUNSET   754 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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