Climatological Report (Daily)
Issued by NWS St Louis, MO
Issued by NWS St Louis, MO
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CDUS43 KLSX 010732
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
232 AM CDT MON SEP 01 2025
...................................
...THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 31 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 82 234 PM 103 2011 86 -4 86
2013
MINIMUM 66 1157 PM 49 1967 66 0 71
AVERAGE 74 76 -2 79
PRECIPITATION (IN)
YESTERDAY 0.00 1.48 2012 0.10 -0.10 0.02
MONTH TO DATE 1.48 3.38 -1.90 1.38
SINCE JUN 1 10.44 11.80 -1.36 10.89
SINCE JAN 1 32.09 29.67 2.42 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 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 9 11 -2 14
MONTH TO DATE 397 428 -31 464
SINCE JUN 1 1350 1255 95 1395
SINCE JAN 1 1521 1450 71 1708
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 8.5
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 400 AM
LOWEST 42 400 PM
AVERAGE 56
..........................................................
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 104 1984
2011
MINIMUM TEMPERATURE (F) 66 49 1949
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.
$$