551 CDUS43 KLSX 280730 CLISTL CLIMATE REPORT NATIONAL WEATHER SERVICE ST LOUIS MO 229 AM CDT THU SEP 28 2017 ................................... ...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 27 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 73 1219 AM 91 1891 75 -2 82 MINIMUM 62 1159 PM 36 1940 56 6 56 AVERAGE 68 66 2 69 PRECIPITATION (IN) YESTERDAY 0.00 1.28 1945 0.11 -0.11 0.00 MONTH TO DATE 0.27 2.82 -2.55 4.90 SINCE SEP 1 0.27 2.82 -2.55 4.90 SINCE JAN 1 30.57 30.57 0.00 33.38 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 3 -3 0 MONTH TO DATE 6 28 -22 0 SINCE SEP 1 6 28 -22 0 SINCE JUL 1 6 29 -23 0 COOLING YESTERDAY 3 4 -1 4 MONTH TO DATE 257 194 63 324 SINCE SEP 1 257 194 63 324 SINCE JAN 1 1859 1593 266 2029 .................................................................. WIND (MPH) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (330) HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (10) AVERAGE WIND SPEED 10.2 SKY COVER AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 87 500 AM LOWEST 44 600 PM AVERAGE 66 .......................................................... THE ST. LOUIS CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 75 97 1953 MINIMUM TEMPERATURE (F) 55 32 1942 SUNRISE AND SUNSET SEPTEMBER 28 2017.....SUNRISE 655 AM CDT SUNSET 649 PM CDT SEPTEMBER 29 2017.....SUNRISE 656 AM CDT SUNSET 647 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$