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
123
CDUS43 KLSX 110735
CLISTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
235 AM CDT MON AUG 11 2025

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

...THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 10 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         90   1156 AM 105    1934  89      1       82
  MINIMUM         72   1114 PM  54    1972  70      2       59
  AVERAGE         81                        80      1       71

PRECIPITATION (IN)
  YESTERDAY        0.03          2.58 1878   0.11  -0.08     0.00
  MONTH TO DATE    0.03                      1.18  -1.15     0.27
  SINCE JUN 1      8.99                      9.60  -0.61     9.78
  SINCE JAN 1     30.64                     27.47   3.17    30.57

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       16                        15      1        6
  MONTH TO DATE  132                       150    -18      147
  SINCE JUN 1   1085                       977    108     1078
  SINCE JAN 1   1256                      1172     84     1391
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION    SE (140)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION    SE (120)
  AVERAGE WIND SPEED    10.8


SKY COVER
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    91           800 PM
 LOWEST     50          1200 PM
 AVERAGE    71

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   89       104      1881
 MINIMUM TEMPERATURE (F)   70        56      1930
                                             1967


SUNRISE AND SUNSET
AUGUST 11 2025........SUNRISE   612 AM CDT   SUNSET   801 PM CDT
AUGUST 12 2025........SUNRISE   613 AM CDT   SUNSET   759 PM CDT


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




$$