600 CDUS43 KLSX 200738 CLISTL CLIMATE REPORT NATIONAL WEATHER SERVICE ST LOUIS MO 238 AM CDT TUE MAY 20 2025 ................................... ...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 19 2025... 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) YESTERDAY MAXIMUM 85 300 PM 94 1996 78 7 91 MINIMUM 68 535 AM 40 1894 59 9 70 AVERAGE 77 68 9 81 PRECIPITATION (IN) YESTERDAY 1.47 2.14 1915 0.15 1.32 0.00 MONTH TO DATE 3.39 3.04 0.35 3.38 SINCE MAR 1 17.15 11.27 5.88 13.70 SINCE JAN 1 21.14 16.09 5.05 18.13 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 MAR 1 0.3 2.5 -2.2 T SINCE JUL 1 18.6 16.6 2.0 9.3 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 2 -2 0 MONTH TO DATE 45 57 -12 2 SINCE MAR 1 597 895 -298 545 SINCE JUL 1 3822 4414 -592 3351 COOLING YESTERDAY 12 5 7 16 MONTH TO DATE 75 70 5 117 SINCE MAR 1 141 114 27 205 SINCE JAN 1 141 115 26 205 ................................................................... WIND (MPH) HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION S (190) AVERAGE WIND SPEED 13.2 SKY COVER AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM HEAVY RAIN RAIN LIGHT RAIN HAIL FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 91 1000 PM LOWEST 56 1200 PM AVERAGE 74 .......................................................... THE ST. LOUIS CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 78 93 1902 MINIMUM TEMPERATURE (F) 59 41 1894 1981 SUNRISE AND SUNSET MAY 20 2025...........SUNRISE 545 AM CDT SUNSET 812 PM CDT MAY 21 2025...........SUNRISE 544 AM CDT SUNSET 812 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$