CDUS43 KLSX 200739 CLISTL CLIMATE REPORT NATIONAL WEATHER SERVICE ST LOUIS MO 239 AM CDT WED MAY 20 2026 ................................... ...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 19 2026... 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) YESTERDAY MAXIMUM 78 1147 AM 94 1996 78 0 85 MINIMUM 59 1159 PM 40 1894 59 0 68 AVERAGE 69 68 1 77 PRECIPITATION (IN) YESTERDAY 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) 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 T 2.5 -2.5 0.3 SINCE JUL 1 18.5 16.6 1.9 18.6 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 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 YESTERDAY 4 5 -1 12 MONTH TO DATE 52 70 -18 75 SINCE MAR 1 194 114 80 141 SINCE JAN 1 194 115 79 141 ................................................................... WIND (MPH) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 9.1 SKY COVER AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 97 500 AM LOWEST 64 1000 AM AVERAGE 81 .......................................................... THE ST. LOUIS CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 7893 1902 MINIMUM TEMPERATURE (F) 59 41 1894 1981 SUNRISE AND SUNSET MAY 20 2026...........SUNRISE 545 AM CDT SUNSET 811 PM CDT MAY 21 2026...........SUNRISE 545 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. $$