CDUS43 KLSX 122228 CLISTL CLIMATE REPORT NATIONAL WEATHER SERVICE ST LOUIS MO 428 PM CST FRI DEC 12 2025 ................................... ...THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 12 2025... VALID TODAY AS OF 0400 PM LOCAL TIME. CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1874 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 36 356 PM 72 2015 45 -9 36 MINIMUM 32 929 AM -5 1962 29 3 22 AVERAGE 34 37 -3 29 PRECIPITATION (IN) TODAY 0.00 1.31 1972 0.08 -0.08 0.00 MONTH TO DATE 0.29 0.95 -0.66 0.20 SINCE DEC 1 0.29 0.95 -0.66 0.20 SINCE JAN 1 38.31 40.15 -1.84 48.13 SNOWFALL (IN) TODAY 0.0 4.4 2010 0.0 0.0 0.0 MONTH TO DATE 3.8 0.9 2.9 0.4 SINCE DEC 1 3.8 0.9 2.9 0.4 SINCE JUL 1 10.2 1.8 8.4 3.6 SNOW DEPTH 0 DEGREE DAYS HEATING TODAY 31 28 3 36 MONTH TO DATE 401 313 88 347 SINCE DEC 1 401 313 88 347 SINCE JUL 1 1063 1135 -72 881 COOLING TODAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 1904 1713 191 2057 ................................................................... WIND (MPH) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (50) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (100) AVERAGE WIND SPEED 8.1 SKY COVER AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 88 300 AM LOWEST 78 200 AM AVERAGE 83 .......................................................... THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 45 73 1948 MINIMUM TEMPERATURE (F) 29 1 1903 SUNRISE AND SUNSET DECEMBER 12 2025......SUNRISE 711 AM CST SUNSET 440 PM CST DECEMBER 13 2025......SUNRISE 711 AM CST SUNSET 440 PM CST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$