559 CDUS43 KLSX 230729 CLISTL CLIMATE REPORT NATIONAL WEATHER SERVICE ST LOUIS MO 229 AM CDT SAT SEP 23 2023 ................................... ...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 22 2023... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1874 TO 2023 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 87 1201 PM 95 1956 79 8 73 2017 MINIMUM 69 1157 PM 40 1974 59 10 56 1995 AVERAGE 78 69 9 65 PRECIPITATION (IN) YESTERDAY T 1.77 1993 0.09 -0.09 T MONTH TO DATE 0.59 2.23 -1.64 1.67 SINCE SEP 1 0.59 2.23 -1.64 1.67 SINCE JAN 1 25.59 31.90 -6.31 40.79 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 2 -2 0 MONTH TO DATE 0 11 -11 0 SINCE SEP 1 0 11 -11 0 SINCE JUL 1 0 12 -12 0 COOLING YESTERDAY 13 5 8 0 MONTH TO DATE 188 178 10 219 SINCE SEP 1 188 178 10 219 SINCE JAN 1 1758 1628 130 1913 ................................................................... WIND (MPH) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (190) AVERAGE WIND SPEED 8.3 SKY COVER AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM RELATIVE HUMIDITY (PERCENT) HIGHEST 78 600 AM LOWEST 40 300 PM AVERAGE 59 .......................................................... THE ST. LOUIS CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 79 94 1881 1891 MINIMUM TEMPERATURE (F) 58 36 1974 SUNRISE AND SUNSET SEPTEMBER 23 2023.....SUNRISE 650 AM CDT SUNSET 657 PM CDT SEPTEMBER 24 2023.....SUNRISE 651 AM CDT SUNSET 656 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$