550 CDUS43 KLSX 170832 CLISTL CLIMATE REPORT NATIONAL WEATHER SERVICE ST LOUIS MO 232 AM CST FRI DEC 17 2021 ................................... ...THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 16 2021... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1874 TO 2021 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 71R 1207 AM 70 1889 44 27 36 MINIMUM 35 1159 PM -8 1989 28 7 24 AVERAGE 53 36 17 30 PRECIPITATION (IN) YESTERDAY 0.31 1.16 2001 0.07 0.24 0.01 MONTH TO DATE 1.30 1.25 0.05 0.97 SINCE DEC 1 1.30 1.25 0.05 0.97 SINCE JAN 1 41.03 40.45 0.58 49.37 SNOWFALL (IN) YESTERDAY 0.0 2.4 2019 0.1 -0.1 0.3 MONTH TO DATE 0.0 1.3 -1.3 0.3 SINCE DEC 1 0.0 1.3 -1.3 0.3 SINCE JUL 1 T 2.2 -2.2 0.3 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 12 29 -17 35 MONTH TO DATE 241 426 -185 396 SINCE DEC 1 241 426 -185 396 SINCE JUL 1 922 1248 -326 1141 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 1 0 1 0 SINCE DEC 1 1 0 1 0 SINCE JAN 1 1977 1713 264 1764 ................................................................... WIND (MPH) HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION W (250) HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION W (260) AVERAGE WIND SPEED 9.5 SKY COVER AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HEAVY RAIN RAIN LIGHT RAIN FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 86 600 AM LOWEST 41 300 PM AVERAGE 64 .......................................................... THE ST. LOUIS CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 44 72 1908 MINIMUM TEMPERATURE (F) 28 -3 1875 SUNRISE AND SUNSET DECEMBER 17 2021......SUNRISE 714 AM CST SUNSET 442 PM CST DECEMBER 18 2021......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. $$