853
CDUS43 KLSX 092129
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
429 PM CDT TUE SEP 09 2025
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 9 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 81 259 PM 101 1925 83 -2 83
MINIMUM 53 517 AM 43 1883 63 -10 52
AVERAGE 67 73 -6 68
PRECIPITATION (IN)
TODAY 0.00 2.05 1878 0.11 -0.11 0.00
MONTH TO DATE 0.17 0.95 -0.78 0.00
SINCE SEP 1 0.17 0.95 -0.78 0.00
SINCE JAN 1 32.26 30.62 1.64 31.68
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 0 0 0
MONTH TO DATE 4 0 4 3
SINCE SEP 1 4 0 4 3
SINCE JUL 1 4 1 3 3
COOLING
TODAY 2 9 -7 3
MONTH TO DATE 32 89 -57 62
SINCE SEP 1 32 89 -57 62
SINCE JAN 1 1553 1539 14 1770
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 5.7
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 600 AM
LOWEST 31 1200 PM
AVERAGE 53
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 98 1933
1983
2013
MINIMUM TEMPERATURE (F) 63 46 1976
SUNRISE AND SUNSET
SEPTEMBER 9 2025.....SUNRISE 638 AM CDT SUNSET 719 PM CDT
SEPTEMBER 10 2025.....SUNRISE 639 AM CDT SUNSET 717 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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