754 CDUS43 KLSX 122130 CLISTL CLIMATE REPORT NATIONAL WEATHER SERVICE ST LOUIS MO 430 PM CDT WED MAY 12 2021 ................................... ...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 12 2021... VALID TODAY AS OF 0400 PM LOCAL TIME. CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1874 TO 2021 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 65 246 PM 92 1956 76 -11 57 MINIMUM 45 555 AM 39 1960 57 -12 48 AVERAGE 55 66 -11 53 PRECIPITATION (IN) TODAY 0.00 2.18 2002 0.17 -0.17 T MONTH TO DATE 0.39 1.97 -1.58 1.25 SINCE MAR 1 9.66 10.20 -0.54 10.12 SINCE JAN 1 15.12 15.02 0.10 19.28 SNOWFALL (IN) TODAY 0.0 0.0 2015 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 T SINCE MAR 1 0.8 2.5 -1.7 T SINCE JUL 1 12.9 16.6 -3.7 14.3 SNOW DEPTH 0 DEGREE DAYS HEATING TODAY 10 3 7 12 MONTH TO DATE 83 42 41 95 SINCE MAR 1 740 880 -140 862 SINCE JUL 1 4319 4399 -80 4306 COOLING TODAY 0 4 -4 0 MONTH TO DATE 19 37 -18 13 SINCE MAR 1 54 81 -27 44 SINCE JAN 1 54 82 -28 44 ................................................................... WIND (MPH) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (70) HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (70) AVERAGE WIND SPEED 8.0 SKY COVER AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 57 1200 AM LOWEST 27 200 PM AVERAGE 42 .......................................................... THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 76 91 1915 2018 MINIMUM TEMPERATURE (F) 57 40 1938 1971 SUNRISE AND SUNSET MAY 12 2021...........SUNRISE 552 AM CDT SUNSET 804 PM CDT MAY 13 2021...........SUNRISE 551 AM CDT SUNSET 805 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$