


Climatological Report (Daily)
Issued by NWS St Louis, MO
Issued by NWS St Louis, MO
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513 CDUS43 KLSX 312227 CLISTL CLIMATE REPORT NATIONAL WEATHER SERVICE ST LOUIS MO 527 PM CDT SUN AUG 31 2025 ................................... ...THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 31 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 82 234 PM 103 2011 86 -4 86 2013 MINIMUM 68 619 AM 49 1967 66 2 71 AVERAGE 75 76 -1 79 PRECIPITATION (IN) TODAY 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) TODAY 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 TODAY 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 TODAY 10 11 -1 14 MONTH TO DATE 398 428 -30 464 SINCE JUN 1 1351 1255 96 1395 SINCE JAN 1 1522 1450 72 1708 ................................................................... WIND (MPH) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (40) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (40) AVERAGE WIND SPEED 8.5 SKY COVER AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 70 400 AM LOWEST 42 400 PM AVERAGE 56 .......................................................... THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 86 104 1984 2011 MINIMUM TEMPERATURE (F) 66 49 1949 1967 SUNRISE AND SUNSET AUGUST 31 2025........SUNRISE 630 AM CDT SUNSET 733 PM CDT SEPTEMBER 1 2025.....SUNRISE 631 AM CDT SUNSET 731 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$