133 CDUS43 KLSX 200733 CLISTL CLIMATE REPORT NATIONAL WEATHER SERVICE ST LOUIS MO 232 AM CDT WED SEP 20 2017 ................................... ...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 19 2017... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1874 TO 2017 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 89 351 PM 96 1955 79 10 88 1931 1925 MINIMUM 66 554 AM 42 1938 59 7 62 AVERAGE 78 69 9 75 PRECIPITATION (IN) YESTERDAY 0.00 1.82 1954 0.10 -0.10 0.00 MONTH TO DATE 0.27 1.95 -1.68 4.68 SINCE SEP 1 0.27 1.95 -1.68 4.68 SINCE JAN 1 30.57 29.70 0.87 33.16 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 6 9 -3 0 SINCE SEP 1 6 9 -3 0 SINCE JUL 1 6 10 -4 0 COOLING YESTERDAY 13 6 7 10 MONTH TO DATE 133 159 -26 222 SINCE SEP 1 133 159 -26 222 SINCE JAN 1 1735 1558 177 1927 .................................................................. WIND (MPH) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (160) HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (160) AVERAGE WIND SPEED 4.6 SKY COVER AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 1200 AM LOWEST 44 300 PM AVERAGE 72 .......................................................... THE ST. LOUIS CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 78 96 1940 MINIMUM TEMPERATURE (F) 59 40 1875 SUNRISE AND SUNSET SEPTEMBER 20 2017.....SUNRISE 648 AM CDT SUNSET 701 PM CDT SEPTEMBER 21 2017.....SUNRISE 649 AM CDT SUNSET 700 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$