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

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825
CDUS43 KLSX 160741
CLICOU

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
241 AM CDT THU OCT 16 2025

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

...THE COLUMBIA ASOS CLIMATE SUMMARY FOR OCTOBER 15 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         83    328 PM  91    1897  69     14       58
  MINIMUM         61    634 AM  29    1891  47     14       39
                                      1893
  AVERAGE         72                        58     14       49

PRECIPITATION (IN)
  YESTERDAY        0.00          1.22 1980   0.11  -0.11      T
  MONTH TO DATE    0.47                      1.75  -1.28      T
  SINCE SEP 1      2.53                      5.58  -3.05     3.52
  SINCE JAN 1     29.12                     34.94  -5.82    38.66

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 SEP 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                         8     -8       16
  MONTH TO DATE   20                        91    -71       58
  SINCE SEP 1     31                       138   -107       69
  SINCE JUL 1     32                       139   -107       69

 COOLING
  YESTERDAY        7                         1      6        0
  MONTH TO DATE   78                        25     53       32
  SINCE SEP 1    299                       198    101      213
  SINCE JAN 1   1451                      1436     15     1474
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     6.1


SKY COVER
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    80           600 AM
 LOWEST     43           200 PM
 AVERAGE    62

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


THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        86      1938
                                             1950
                                             2016
 MINIMUM TEMPERATURE (F)   47        28      2018


SUNRISE AND SUNSET
OCTOBER 16 2025.......SUNRISE   720 AM CDT   SUNSET   629 PM CDT
OCTOBER 17 2025.......SUNRISE   721 AM CDT   SUNSET   627 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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