CDUS43 KLSX 190735 CLISTL CLIMATE REPORT NATIONAL WEATHER SERVICE ST LOUIS MO 235 AM CDT TUE AUG 19 2025 ................................... ...THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 18 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 97 403 PM 106 1936 88 9 86 MINIMUM 78 534 AM 54 1963 69 9 69 AVERAGE 88 79 9 78 PRECIPITATION (IN) YESTERDAY 0.00 2.10 1902 0.11 -0.11 0.00 MONTH TO DATE 1.44 2.06 -0.62 1.06 SINCE JUN 1 10.40 10.48 -0.08 10.57 SINCE JAN 1 32.05 28.35 3.70 31.36 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 MM 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 23 14 9 13 MONTH TO DATE 288 264 24 256 SINCE JUN 1 1241 1091 150 1187 SINCE JAN 1 1412 1286 126 1500 ................................................................... WIND (MPH) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (260) AVERAGE WIND SPEED 5.7 SKY COVER AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 87 300 AM LOWEST 46 400 PM AVERAGE 67 .......................................................... THE ST. LOUIS CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 88 105 1936 1962 MINIMUM TEMPERATURE (F) 69 55 1953 SUNRISE AND SUNSET AUGUST 19 2025........SUNRISE 619 AM CDT SUNSET 750 PM CDT AUGUST 20 2025........SUNRISE 620 AM CDT SUNSET 749 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$