Climatological Report (Daily)
Issued by NWS St Louis, MO
Issued by NWS St Louis, MO
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CDUS43 KLSX 020729
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
229 AM CDT TUE SEP 02 2025
...................................
...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 1 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 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)
YESTERDAY 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)
YESTERDAY 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
YESTERDAY 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
YESTERDAY 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 6.4
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 500 AM
LOWEST 35 1200 PM
AVERAGE 53
..........................................................
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 101 1953
2011
MINIMUM TEMPERATURE (F) 66 50 1949
1965
1967
SUNRISE AND SUNSET
SEPTEMBER 2 2025.....SUNRISE 632 AM CDT SUNSET 730 PM CDT
SEPTEMBER 3 2025.....SUNRISE 633 AM CDT SUNSET 728 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$