230 CDUS43 KLSX 160727 CLISTL CLIMATE REPORT NATIONAL WEATHER SERVICE ST LOUIS MO 226 AM CDT SAT SEP 16 2017 ................................... ...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 15 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 90 329 PM 101 1939 81 9 88 MINIMUM 64 601 AM 45 2007 61 3 70 1961 AVERAGE 77 71 6 79 PRECIPITATION (IN) YESTERDAY 0.00 2.05 1914 0.11 -0.11 T MONTH TO DATE 0.07 1.55 -1.48 3.36 SINCE SEP 1 0.07 1.55 -1.48 3.36 SINCE JAN 1 30.37 29.30 1.07 31.84 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 1 -1 0 MONTH TO DATE 6 4 2 0 SINCE SEP 1 6 4 2 0 SINCE JUL 1 6 5 1 0 COOLING YESTERDAY 12 7 5 14 MONTH TO DATE 84 135 -51 182 SINCE SEP 1 84 135 -51 182 SINCE JAN 1 1686 1534 152 1887 .................................................................. WIND (MPH) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (160) HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (180) AVERAGE WIND SPEED 8.2 SKY COVER AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 87 500 AM LOWEST 36 100 PM AVERAGE 62 .......................................................... THE ST. LOUIS CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 80 98 1954 1927 MINIMUM TEMPERATURE (F) 61 44 1966 SUNRISE AND SUNSET SEPTEMBER 16 2017.....SUNRISE 644 AM CDT SUNSET 708 PM CDT SEPTEMBER 17 2017.....SUNRISE 645 AM CDT SUNSET 706 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$