598 CDUS43 KLSX 100732 CLISTL CLIMATE REPORT NATIONAL WEATHER SERVICE ST LOUIS MO 232 AM CDT FRI SEP 10 2021 ................................... ...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 9 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 82 148 PM 101 1925 83 -1 85 MINIMUM 59 559 AM 43 1883 63 -4 67 AVERAGE 71 73 -2 76 PRECIPITATION (IN) YESTERDAY 0.00 2.05 1878 0.11 -0.11 0.00 MONTH TO DATE 0.89 0.95 -0.06 0.48 SINCE SEP 1 0.89 0.95 -0.06 0.48 SINCE JAN 1 34.61 30.62 3.99 40.47 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 6 9 -3 11 MONTH TO DATE 89 89 0 112 SINCE SEP 1 89 89 0 112 SINCE JAN 1 1650 1539 111 1611 ................................................................... WIND (MPH) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (330) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (330) AVERAGE WIND SPEED 5.1 SKY COVER AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 78 600 AM LOWEST 35 200 PM AVERAGE 57 .......................................................... THE ST. LOUIS CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 83 98 1933 1983 2013 MINIMUM TEMPERATURE (F) 63 46 1976 SUNRISE AND SUNSET SEPTEMBER 10 2021.....SUNRISE 639 AM CDT SUNSET 717 PM CDT SEPTEMBER 11 2021.....SUNRISE 640 AM CDT SUNSET 716 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$