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

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CDUS43 KLSX 222230
CLISTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
530 PM CDT THU MAY 22 2025

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

...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 22 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         71    357 PM  94    1925  79     -8       76
  MINIMUM         52    458 AM  37    1883  60     -8       63
  AVERAGE         62                        69     -7       70

PRECIPITATION (IN)
  TODAY            0.00          1.31 2000   0.15  -0.15     0.11
  MONTH TO DATE    3.42                      3.49  -0.07     3.81
  SINCE MAR 1     17.18                     11.72   5.46    14.13
  SINCE JAN 1     21.17                     16.54   4.63    18.56

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 MAR 1      0.3                       2.5   -2.2       T
  SINCE JUL 1     18.6                      16.6    2.0      9.3
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            3                         2      1        0
  MONTH TO DATE   48                        63    -15        2
  SINCE MAR 1    600                       901   -301      545
  SINCE JUL 1   3825                      4420   -595     3351

 COOLING
  TODAY            0                         6     -6        5
  MONTH TO DATE   84                        88     -4      154
  SINCE MAR 1    150                       132     18      242
  SINCE JAN 1    150                       133     17      242
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED    12.1


SKY COVER
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    74           400 AM
 LOWEST     38           200 PM
 AVERAGE    56

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


THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79        92      1950
                                             2010
 MINIMUM TEMPERATURE (F)   60        39      1931


SUNRISE AND SUNSET
MAY 22 2025...........SUNRISE   544 AM CDT   SUNSET   813 PM CDT
MAY 23 2025...........SUNRISE   543 AM CDT   SUNSET   814 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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