


Climatological Report (Daily)
Issued by NWS St Louis, MO
Issued by NWS St Louis, MO
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997 CDUS43 KLSX 040728 CLISTL CLIMATE REPORT NATIONAL WEATHER SERVICE ST LOUIS MO 228 AM CDT THU SEP 04 2025 ................................... ...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 3 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 87 211 PM 101 2011 85 2 78 MINIMUM 62 236 AM 45 1974 65 -3 60 AVERAGE 75 75 0 69 PRECIPITATION (IN) YESTERDAY T 0.74 1991 0.10 -0.10 0.00 MONTH TO DATE 0.05 0.31 -0.26 0.00 SINCE SEP 1 0.05 0.31 -0.26 0.00 SINCE JAN 1 32.14 29.98 2.16 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 10 10 0 4 MONTH TO DATE 26 32 -6 24 SINCE SEP 1 26 32 -6 24 SINCE JAN 1 1547 1482 65 1732 ................................................................... WIND (MPH) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (350) HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION N (360) AVERAGE WIND SPEED 8.3 SKY COVER AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 87 600 AM LOWEST 37 400 PM AVERAGE 62 .......................................................... THE ST. LOUIS CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 85 104 1954 MINIMUM TEMPERATURE (F) 65 42 1974 SUNRISE AND SUNSET SEPTEMBER 4 2025.....SUNRISE 634 AM CDT SUNSET 727 PM CDT SEPTEMBER 5 2025.....SUNRISE 634 AM CDT SUNSET 725 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$