CDUS43 KLSX 172228 CLISTL CLIMATE REPORT NATIONAL WEATHER SERVICE ST LOUIS MO 528 PM CDT SUN MAY 17 2026 ................................... ...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 17 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 87 359 PM 94 1996 77 10 76 MINIMUM 66 402 AM 40 1973 58 8 61 AVERAGE 77 68 9 69 PRECIPITATION (IN) TODAY 0.00 3.95 1995 0.15 -0.15 0.00 MONTH TO DATE 1.60 2.74 -1.14 1.91 SINCE MAR 1 13.64 10.97 2.67 15.67 SINCE JAN 1 16.06 15.79 0.27 19.66 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 53 15 45 SINCE MAR 1 562 891 -329 597 SINCE JUL 1 3862 4410 -548 3822 COOLING TODAY 12 5 7 4 MONTH TO DATE 41 60 -19 58 SINCE MAR 1 183 104 79 124 SINCE JAN 1 183 105 78 124 ................................................................... WIND (MPH) HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION S (160) HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 13.7 SKY COVER AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 87 400 AM LOWEST 48 400 PM AVERAGE 68 .......................................................... THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 78 94 1996 MINIMUM TEMPERATURE (F) 59 39 2002 SUNRISE AND SUNSET MAY 17 2026...........SUNRISE 548 AM CDT SUNSET 809 PM CDT MAY 18 2026...........SUNRISE 547 AM CDT SUNSET 810 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$