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

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906
CDUS43 KLSX 200731
CLISTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
231 AM CDT SUN JUL 20 2025

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

...THE ST. LOUIS CLIMATE SUMMARY FOR JULY 19 2025...

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)
 YESTERDAY
  MAXIMUM         88    537 PM 106    1934  90     -2       81
  MINIMUM         76    106 PM  59    1984  71      5       64
  AVERAGE         82                        81      1       73

PRECIPITATION (IN)
  YESTERDAY        0.01          3.16 1958   0.12  -0.11     0.00
  MONTH TO DATE    2.18                      2.43  -0.25     7.45
  SINCE JUN 1      6.56                      6.92  -0.36     8.57
  SINCE JAN 1     28.21                     24.79   3.42    29.36

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        8
  MONTH TO DATE  307                       292     15      276
  SINCE JUN 1    715                       643     72      743
  SINCE JAN 1    886                       838     48     1056
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    NE (30)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     N (360)
  AVERAGE WIND SPEED     7.3


SKY COVER
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85          1100 PM
 LOWEST     63           500 PM
 AVERAGE    74

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   90       110      1934
 MINIMUM TEMPERATURE (F)   71        58      1929


SUNRISE AND SUNSET
JULY 20 2025..........SUNRISE   553 AM CDT   SUNSET   822 PM CDT
JULY 21 2025..........SUNRISE   554 AM CDT   SUNSET   822 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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