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

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
109
CDUS43 KLSX 130730
CLISTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
230 AM CDT WED AUG 13 2025

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

...THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 12 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         92   1220 PM 106    1881  89      3       78
  MINIMUM         74   1150 PM  51    1967  70      4       67
  AVERAGE         83                        80      3       73

PRECIPITATION (IN)
  YESTERDAY        0.28          2.68 2019   0.12   0.16     0.27
  MONTH TO DATE    0.31                      1.42  -1.11     0.54
  SINCE JUN 1      9.27                      9.84  -0.57    10.05
  SINCE JAN 1     30.92                     27.71   3.21    30.84

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       18                        15      3        8
  MONTH TO DATE  168                       180    -12      166
  SINCE JUN 1   1121                      1007    114     1097
  SINCE JAN 1   1292                      1202     90     1410
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED     6.9


SKY COVER
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    88           400 PM
 LOWEST     50          1200 PM
 AVERAGE    69

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   89       103      1936
 MINIMUM TEMPERATURE (F)   70        50      1964


SUNRISE AND SUNSET
AUGUST 13 2025........SUNRISE   614 AM CDT   SUNSET   758 PM CDT
AUGUST 14 2025........SUNRISE   615 AM CDT   SUNSET   757 PM CDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$