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

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098
CDUS43 KLSX 010732
CLICOU

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
232 AM CDT MON SEP 01 2025

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

...THE COLUMBIA ASOS CLIMATE SUMMARY FOR AUGUST 31 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         76    405 PM 103    1913  85     -9       84
  MINIMUM         66   1159 PM  40    1915  64      2       68
  AVERAGE         71                        74     -3       76

PRECIPITATION (IN)
  YESTERDAY        0.04          2.23 2012   0.14  -0.10     0.21
  MONTH TO DATE    0.11                      4.14  -4.03     3.46
  SINCE JUN 1     13.33                     12.50   0.83    19.20
  SINCE JAN 1     26.59                     29.36  -2.77    35.14

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    1                         0      1        0
  SINCE JUN 1      1                         6     -5        0
  SINCE JUL 1      1                         0      1        0

 COOLING
  YESTERDAY        6                        10     -4       11
  MONTH TO DATE  327                       379    -52      341
  SINCE JUN 1   1061                      1092    -31     1073
  SINCE JAN 1   1152                      1238    -86     1261
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     E (80)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     E (90)
  AVERAGE WIND SPEED     7.1


SKY COVER
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84          1000 AM
 LOWEST     56           400 PM
 AVERAGE    70

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


THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   85       102      1913
 MINIMUM TEMPERATURE (F)   64        45      1893
                                             1949
                                             1967


SUNRISE AND SUNSET
SEPTEMBER  1 2025.....SUNRISE   638 AM CDT   SUNSET   739 PM CDT
SEPTEMBER  2 2025.....SUNRISE   639 AM CDT   SUNSET   737 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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