268 CDUS43 KLSX 130731 CLISTL CLIMATE REPORT NATIONAL WEATHER SERVICE ST LOUIS MO 231 AM CDT MON SEP 13 2021 ................................... ...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 12 2021... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1874 TO 2021 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 91 308 PM 98 1897 83 8 79 1936 1956 MINIMUM 73 608 AM 44 1940 62 11 67 AVERAGE 82 72 10 73 PRECIPITATION (IN) YESTERDAY 0.00 2.10 1949 0.11 -0.11 0.02 MONTH TO DATE 0.89 1.27 -0.38 0.50 SINCE SEP 1 0.89 1.27 -0.38 0.50 SINCE JAN 1 34.61 30.94 3.67 40.49 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 17 8 9 8 MONTH TO DATE 129 113 16 146 SINCE SEP 1 129 113 16 146 SINCE JAN 1 1690 1563 127 1645 ................................................................... WIND (MPH) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (210) AVERAGE WIND SPEED 11.9 SKY COVER AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 61 600 AM LOWEST 38 300 PM AVERAGE 50 .......................................................... THE ST. LOUIS CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 82 100 1939 MINIMUM TEMPERATURE (F) 62 43 1975 SUNRISE AND SUNSET SEPTEMBER 13 2021.....SUNRISE 641 AM CDT SUNSET 712 PM CDT SEPTEMBER 14 2021.....SUNRISE 642 AM CDT SUNSET 711 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$