947 CDUS43 KLSX 180745 CLISTL CLIMATE REPORT NATIONAL WEATHER SERVICE ST LOUIS MO 145 AM CST THU DEC 18 2014 ................................... ...THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 17 2014... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1874 TO 2014 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 39 242 PM 72 1908 42 -3 41 MINIMUM 31 1159 PM -3 1875 26 5 25 AVERAGE 35 34 1 33 PRECIPITATION (IN) YESTERDAY 0.00 1.02 1959 0.09 -0.09 0.00 1897 MONTH TO DATE 1.79 1.62 0.17 0.93 SINCE DEC 1 1.79 1.62 0.17 0.93 SINCE JAN 1 42.50 39.74 2.76 41.65 SNOWFALL (IN) YESTERDAY 0.0 2.0 1897 0.2 -0.2 0.0 MONTH TO DATE 0.1 2.0 -1.9 5.6 SINCE DEC 1 0.1 2.0 -1.9 5.6 SINCE JUL 1 3.9 2.7 1.2 5.6 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 30 31 -1 32 MONTH TO DATE 426 486 -60 553 SINCE DEC 1 426 486 -60 553 SINCE JUL 1 1383 1312 71 1423 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 1732 1646 86 1728 .................................................................. WIND (MPH) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (320) AVERAGE WIND SPEED 6.5 SKY COVER AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 72 800 AM LOWEST 59 1100 AM AVERAGE 66 .......................................................... THE ST. LOUIS CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 41 69 1939 MINIMUM TEMPERATURE (F) 26 -4 1983 1884 SUNRISE AND SUNSET DECEMBER 18 2014......SUNRISE 714 AM CST SUNSET 442 PM CST DECEMBER 19 2014......SUNRISE 715 AM CST SUNSET 442 PM CST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$