823 CDUS43 KLSX 040733 CLISTL CLIMATE REPORT NATIONAL WEATHER SERVICE ST LOUIS MO 232 AM CDT MON SEP 4 2017 ................................... ...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 3 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 88 402 PM 101 2011 85 3 83 MINIMUM 67 604 AM 45 1974 66 1 62 AVERAGE 78 75 3 73 PRECIPITATION (IN) YESTERDAY 0.00 0.74 1991 0.10 -0.10 0.00 MONTH TO DATE 0.00 0.31 -0.31 0.00 SINCE SEP 1 0.00 0.31 -0.31 0.00 SINCE JAN 1 30.30 28.06 2.24 28.48 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 13 11 2 8 MONTH TO DATE 18 33 -15 22 SINCE SEP 1 18 33 -15 22 SINCE JAN 1 1620 1432 188 1727 .................................................................. WIND (MPH) HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (350) HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION N (20) AVERAGE WIND SPEED 4.6 SKY COVER AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 81 600 AM LOWEST 30 400 PM AVERAGE 56 .......................................................... THE ST. LOUIS CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 85 104 1954 MINIMUM TEMPERATURE (F) 66 42 1974 SUNRISE AND SUNSET SEPTEMBER 4 2017.....SUNRISE 633 AM CDT SUNSET 727 PM CDT SEPTEMBER 5 2017.....SUNRISE 634 AM CDT SUNSET 725 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$