342 CDUS43 KLSX 210826 CLISTL CLIMATE REPORT NATIONAL WEATHER SERVICE ST LOUIS MO 226 AM CST THU DEC 21 2023 ................................... ...THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 20 2023... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1874 TO 2023 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 55 343 PM 71 2013 43 12 45 MINIMUM 35 1208 AM -10 1901 28 7 25 AVERAGE 45 35 10 35 PRECIPITATION (IN) YESTERDAY 0.00 1.36 1962 0.08 -0.08 0.00 MONTH TO DATE 1.14 1.56 -0.42 1.46 SINCE DEC 1 1.14 1.56 -0.42 1.46 SINCE JAN 1 31.99 40.76 -8.77 48.44 SNOWFALL (IN) YESTERDAY 0.0 3.3 1960 0.1 -0.1 0.0 MONTH TO DATE 0.0 1.7 -1.7 T SINCE DEC 1 0.0 1.7 -1.7 T SINCE JUL 1 0.0 2.6 -2.6 0.8 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 20 30 -10 30 MONTH TO DATE 409 543 -134 506 SINCE DEC 1 409 543 -134 506 SINCE JUL 1 1061 1365 -304 1299 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 1942 1713 229 1977 ................................................................... WIND (MPH) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (170) HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (170) AVERAGE WIND SPEED 7.3 SKY COVER AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 56 1200 AM LOWEST 32 1200 PM AVERAGE 44 .......................................................... THE ST. LOUIS CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 43 67 1967 2015 MINIMUM TEMPERATURE (F) 27 -12 1989 SUNRISE AND SUNSET DECEMBER 21 2023......SUNRISE 716 AM CST SUNSET 443 PM CST DECEMBER 22 2023......SUNRISE 716 AM CST SUNSET 444 PM CST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$