CDUS43 KLSX 182240 CLICOU CLIMATE REPORT NATIONAL WEATHER SERVICE ST LOUIS MO 540 PM CDT MON MAY 18 2026 ................................... ...THE COLUMBIA ASOS CLIMATE SUMMARY FOR MAY 18 2026... VALID AS OF 0500 PM LOCAL TIME. CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1890 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 76 1242 AM 91 1962 76 0 78 MINIMUM 63 1017 AM 35 2002 56 7 56 AVERAGE 70 66 4 67 PRECIPITATION (IN) TODAY 1.70 3.10 1929 0.15 1.55 0.00 MONTH TO DATE 3.46 2.91 0.55 0.75 SINCE MAR 1 15.83 10.76 5.07 9.73 SINCE JAN 1 17.67 15.00 2.67 11.55 SNOWFALL (IN) TODAY MM 0.0 2015 0.0 MM 0.0 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE MAR 1 0.9 1.7 -0.8 0.4 SINCE JUL 1 9.2 16.5 -7.3 18.6 SNOW DEPTH MM DEGREE DAYS HEATING TODAY 0 3 -3 0 MONTH TO DATE 86 69 17 52 SINCE MAR 1 643 950 -307 677 SINCE JUL 1 4074 4655 -581 4309 COOLING TODAY 5 4 1 2 MONTH TO DATE 32 48 -16 35 SINCE MAR 1 120 80 40 80 SINCE JAN 1 120 80 40 80 ................................................................... WIND (MPH) HIGHEST WIND SPEED 56 HIGHEST WIND DIRECTION N (340) HIGHEST GUST SPEED 71 HIGHEST GUST DIRECTION NW (330) AVERAGE WIND SPEED 13.2 SKY COVER AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. THUNDERSTORM HEAVY RAIN RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 1000 AM LOWEST 81 500 AM AVERAGE 91 .......................................................... THE COLUMBIA ASOS CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 77 91 1996 1998 MINIMUM TEMPERATURE (F) 57 37 1894 1925 SUNRISE AND SUNSET MAY 18 2026...........SUNRISE 554 AM CDT SUNSET 817 PM CDT MAY 19 2026...........SUNRISE 553 AM CDT SUNSET 818 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$