311 CDUS43 KLSX 122227 CLISTL CLIMATE REPORT NATIONAL WEATHER SERVICE ST LOUIS MO 527 PM CDT SAT SEP 12 2020 ................................... ...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 12 2020... VALID AS OF 0500 PM LOCAL TIME. CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1874 TO 2020 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 79 250 PM 98 1897 82 -3 93 1936 1956 MINIMUM 71 930 AM 44 1940 62 9 77 AVERAGE 75 72 3 85 PRECIPITATION (IN) TODAY 0.02 2.10 1949 0.11 -0.09 0.00 MONTH TO DATE 0.50 1.24 -0.74 0.80 SINCE SEP 1 0.50 1.24 -0.74 0.80 SINCE JAN 1 40.49 28.99 11.50 43.86 SNOWFALL (IN) TODAY MM 0.0 2015 0.0 MM 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 T SNOW DEPTH MM DEGREE DAYS HEATING TODAY 0 1 -1 0 MONTH TO DATE 0 1 -1 0 SINCE SEP 1 0 1 -1 0 SINCE JUL 1 0 2 -2 0 COOLING TODAY 10 8 2 20 MONTH TO DATE 148 114 34 162 SINCE SEP 1 148 114 34 162 SINCE JAN 1 1647 1513 134 1621 ................................................................... WIND (MPH) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (140) HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SE (150) AVERAGE WIND SPEED 8.5 SKY COVER AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. RAIN LIGHT RAIN FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 90 900 AM LOWEST 69 300 PM AVERAGE 80 .......................................................... THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 81 100 1939 MINIMUM TEMPERATURE (F) 62 43 1975 SUNRISE AND SUNSET SEPTEMBER 12 2020.....SUNRISE 641 AM CDT SUNSET 714 PM CDT SEPTEMBER 13 2020.....SUNRISE 642 AM CDT SUNSET 712 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$