Climatological Report (Daily)
Issued by NWS St Louis, MO
Issued by NWS St Louis, MO
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CDUS43 KLSX 012228
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
528 PM CDT MON SEP 01 2025
...................................
...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 1 2025...
VALID AS OF 0500 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 1212 PM 104 1984 86 -5 90
2011
MINIMUM 62 527 AM 49 1949 66 -4 66
1967
AVERAGE 72 76 -4 78
PRECIPITATION (IN)
TODAY 0.00 4.70 1931 0.10 -0.10 0.00
MONTH TO DATE 0.00 0.10 -0.10 0.00
SINCE SEP 1 0.00 0.10 -0.10 0.00
SINCE JAN 1 32.09 29.77 2.32 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 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 1 -1 0
COOLING
TODAY 7 11 -4 13
MONTH TO DATE 7 11 -4 13
SINCE SEP 1 7 11 -4 13
SINCE JAN 1 1528 1461 67 1721
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 5.9
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 500 AM
LOWEST 35 1200 PM
AVERAGE 53
..........................................................
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 101 1953
2011
MINIMUM TEMPERATURE (F) 66 50 1949
1965
1967
SUNRISE AND SUNSET
SEPTEMBER 1 2025.....SUNRISE 631 AM CDT SUNSET 731 PM CDT
SEPTEMBER 2 2025.....SUNRISE 632 AM CDT SUNSET 730 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$