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

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CDUS43 KLSX 212229
CLISTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
529 PM CDT MON SEP 21 2026

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

...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 21 2026...
VALID AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         73    148 PM  97    1881  79     -6       87
  MINIMUM         68    723 AM  40    1983  59      9       67
  AVERAGE         71                        69      2       77

PRECIPITATION (IN)
  TODAY            0.33          1.78 1947   0.10   0.23      T
  MONTH TO DATE    1.31                      2.14  -0.83     0.23
  SINCE SEP 1      1.31                      2.14  -0.83     0.23
  SINCE JAN 1     37.57                     31.81   5.76    32.32

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                         1     -1        0
  MONTH TO DATE    0                         9     -9        4
  SINCE SEP 1      0                         9     -9        4
  SINCE JUL 1      0                        10    -10        4

 COOLING
  TODAY            6                         6      0       12
  MONTH TO DATE  383                       173    210      203
  SINCE SEP 1    383                       173    210      203
  SINCE JAN 1   1951                      1623    328     1724
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED     6.9


SKY COVER
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  THUNDERSTORM
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           500 AM
 LOWEST     79           200 PM
 AVERAGE    88

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


THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79        95      1956
                                             2017
 MINIMUM TEMPERATURE (F)   59        40      1974
                                             1995


SUNRISE AND SUNSET
SEPTEMBER 21 2026.....SUNRISE   648 AM CDT   SUNSET   700 PM CDT
SEPTEMBER 22 2026.....SUNRISE   649 AM CDT   SUNSET   658 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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