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

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004
CDUS43 KLSX 210735
CLISTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
235 AM CDT TUE JUL 21 2026

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

...THE ST. LOUIS CLIMATE SUMMARY FOR JULY 20 2026...

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)
 YESTERDAY
  MAXIMUM         92    447 PM 110    1934  90      2       96
  MINIMUM         72    459 AM  58    1929  71      1       71
  AVERAGE         82                        81      1       84

PRECIPITATION (IN)
  YESTERDAY        0.00          3.70 1949   0.12  -0.12     0.58
  MONTH TO DATE    4.68                      2.55   2.13     2.76
  SINCE JUN 1     11.16                      7.04   4.12     7.14
  SINCE JAN 1     29.83                     24.91   4.92    28.79

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    0                         0      0        0
  SINCE JUN 1      0                         4     -4        0
  SINCE JUL 1      0                         0      0        0

 COOLING
  YESTERDAY       17                        16      1       19
  MONTH TO DATE  316                       308      8      326
  SINCE JUN 1    661                       659      2      734
  SINCE JAN 1    933                       854     79      905
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     5.3


SKY COVER
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    72          1000 PM
 LOWEST     54           500 PM
 AVERAGE    63

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   90       106      1901
 MINIMUM TEMPERATURE (F)   71        54      1944
                                             1970


SUNRISE AND SUNSET
JULY 21 2026..........SUNRISE   554 AM CDT   SUNSET   822 PM CDT
JULY 22 2026..........SUNRISE   554 AM CDT   SUNSET   821 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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