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

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122
CDUS43 KLSX 110735
CLICOU

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
235 AM CDT MON AUG 11 2025

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

...THE COLUMBIA ASOS CLIMATE SUMMARY FOR AUGUST 10 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         84    316 PM 110    1934  89     -5       79
  MINIMUM         72   1155 PM  51    1917  68      4       55
  AVERAGE         78                        78      0       67

PRECIPITATION (IN)
  YESTERDAY        0.00          3.06 1939   0.13  -0.13     0.00
  MONTH TO DATE    0.07                      1.26  -1.19      T
  SINCE JUN 1     13.29                      9.62   3.67    15.74
  SINCE JAN 1     26.55                     26.48   0.07    31.68

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       13                        13      0        2
  MONTH TO DATE  102                       136    -34      112
  SINCE JUN 1    836                       849    -13      844
  SINCE JAN 1    927                       995    -68     1032
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    SE (120)
  AVERAGE WIND SPEED     8.2


SKY COVER
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96          1000 PM
 LOWEST     57           100 PM
 AVERAGE    77

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


THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   89       105      1894
 MINIMUM TEMPERATURE (F)   68        50      1890


SUNRISE AND SUNSET
AUGUST 11 2025........SUNRISE   619 AM CDT   SUNSET   808 PM CDT
AUGUST 12 2025........SUNRISE   620 AM CDT   SUNSET   807 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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