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

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533
CDUS43 KLSX 182227
CLISTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
527 PM CDT FRI SEP 18 2026

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

...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 18 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         98R   345 PM  97    1925  80     18       94
  MINIMUM         75    557 AM  42    1973  60     15       64
  AVERAGE         87                        70     17       79

PRECIPITATION (IN)
  TODAY            0.00          1.04 2001   0.10  -0.10     0.00
  MONTH TO DATE    0.25                      1.86  -1.61     0.17
  SINCE SEP 1      0.25                      1.86  -1.61     0.17
  SINCE JAN 1     36.51                     31.53   4.98    32.26

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                         6     -6        4
  SINCE SEP 1      0                         6     -6        4
  SINCE JUL 1      0                         7     -7        4

 COOLING
  TODAY           22                         6     16       14
  MONTH TO DATE  338                       155    183      168
  SINCE SEP 1    338                       155    183      168
  SINCE JAN 1   1906                      1605    301     1689
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     3.0


SKY COVER
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85           600 AM
 LOWEST     39           400 PM
 AVERAGE    62

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


THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   80        96      1925
                                             1931
                                             1955
 MINIMUM TEMPERATURE (F)   60        42      1938


SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE   646 AM CDT   SUNSET   705 PM CDT
SEPTEMBER 19 2026.....SUNRISE   647 AM CDT   SUNSET   703 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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