CDUS43 KLSX 210728 CLISTL CLIMATE REPORT NATIONAL WEATHER SERVICE ST LOUIS MO 228 AM CDT MON SEP 21 2026 ................................... ...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 20 2026... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1874 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 92 412 PM 97 2017 80 12 84 2022 MINIMUM 70 1159 PM 40 1875 59 11 67 AVERAGE 81 70 11 76 PRECIPITATION (IN) YESTERDAY 0.73 1.40 1876 0.09 0.64 0.06 MONTH TO DATE 0.98 2.04 -1.06 0.23 SINCE SEP 1 0.98 2.04 -1.06 0.23 SINCE JAN 1 37.24 31.71 5.53 32.32 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 1 -1 0 MONTH TO DATE 0 8 -8 4 SINCE SEP 1 0 8 -8 4 SINCE JUL 1 0 9 -9 4 COOLING YESTERDAY 16 6 10 11 MONTH TO DATE 377 167 210 191 SINCE SEP 1 377 167 210 191 SINCE JAN 1 1945 1617 328 1712 ................................................................... WIND (MPH) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (40) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 6.7 SKY COVER AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM HEAVY RAIN RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 93 1100 PM LOWEST 40 400 PM AVERAGE 67 .......................................................... THE ST. LOUIS CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 79 97 1881 MINIMUM TEMPERATURE (F) 59 40 1983 SUNRISE AND SUNSET SEPTEMBER 21 2026.....SUNRISE 648 AM CDT SUNSET 700 PM CDT SEPTEMBER 22 2026.....SUNRISE 649 AM CDT SUNSET 658 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$