CDUS43 KLSX 192229 CLISTL CLIMATE REPORT NATIONAL WEATHER SERVICE ST LOUIS MO 529 PM CDT TUE MAY 19 2026 ................................... ...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 19 2026... VALID AS OF 0500 PM LOCAL TIME. CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1874 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 78 1147 AM 94 1996 78 0 85 MINIMUM 65 618 AM 40 1894 59 6 68 AVERAGE 72 68 4 77 PRECIPITATION (IN) TODAY 0.06 2.14 1915 0.15 -0.09 1.47 MONTH TO DATE 4.17 3.04 1.13 3.38 SINCE MAR 1 16.21 11.27 4.94 17.14 SINCE JAN 1 18.63 16.09 2.54 21.13 SNOWFALL (IN) TODAY 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 T 2.5 -2.5 0.3 SINCE JUL 1 18.5 16.6 1.9 18.6 SNOW DEPTH 0 DEGREE DAYS HEATING TODAY 0 2 -2 0 MONTH TO DATE 68 57 11 45 SINCE MAR 1 562 895 -333 597 SINCE JUL 1 3862 4414 -552 3822 COOLING TODAY 7 5 2 12 MONTH TO DATE 55 70 -15 75 SINCE MAR 1 197 114 83 141 SINCE JAN 1 197 115 82 141 ................................................................... WIND (MPH) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 9.2 SKY COVER AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. THUNDERSTORM RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 97 500 AM LOWEST 64 1000 AM AVERAGE 81 .......................................................... THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 78 93 1902 MINIMUM TEMPERATURE (F) 59 41 1894 1981 SUNRISE AND SUNSET MAY 19 2026...........SUNRISE 546 AM CDT SUNSET 811 PM CDT MAY 20 2026...........SUNRISE 545 AM CDT SUNSET 811 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$