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

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CDUS43 KLSX 012228
CLISTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
528 PM CDT MON SEP 01 2025

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

...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 1 2025...
VALID AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         81   1212 PM 104    1984  86     -5       90
                                      2011
  MINIMUM         62    527 AM  49    1949  66     -4       66
                                      1967
  AVERAGE         72                        76     -4       78

PRECIPITATION (IN)
  TODAY            0.00          4.70 1931   0.10  -0.10     0.00
  MONTH TO DATE    0.00                      0.10  -0.10     0.00
  SINCE SEP 1      0.00                      0.10  -0.10     0.00
  SINCE JAN 1     32.09                     29.77   2.32    31.68

SNOWFALL (IN)
  TODAY            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
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1      0                         0      0        0
  SINCE JUL 1      0                         1     -1        0

 COOLING
  TODAY            7                        11     -4       13
  MONTH TO DATE    7                        11     -4       13
  SINCE SEP 1      7                        11     -4       13
  SINCE JAN 1   1528                      1461     67     1721
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    NE (60)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     E (70)
  AVERAGE WIND SPEED     5.9


SKY COVER
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    70           500 AM
 LOWEST     35          1200 PM
 AVERAGE    53

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


THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   86       101      1953
                                             2011
 MINIMUM TEMPERATURE (F)   66        50      1949
                                             1965
                                             1967


SUNRISE AND SUNSET
SEPTEMBER  1 2025.....SUNRISE   631 AM CDT   SUNSET   731 PM CDT
SEPTEMBER  2 2025.....SUNRISE   632 AM CDT   SUNSET   730 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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