313 CDUS43 KLSX 100728 CLISTL CLIMATE REPORT NATIONAL WEATHER SERVICE ST LOUIS MO 228 AM CDT MON MAY 10 2021 ................................... ...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 9 2021... 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) YESTERDAY MAXIMUM 59 359 AM 92 1895 75 -16 65 1934 MINIMUM 42 1110 PM 35 1966 56 -14 39 AVERAGE 51 65 -14 52 PRECIPITATION (IN) YESTERDAY 0.17 2.09 1949 0.16 0.01 0.00 MONTH TO DATE 0.39 1.48 -1.09 1.25 SINCE MAR 1 9.66 9.71 -0.05 10.12 SINCE JAN 1 15.12 14.53 0.59 19.28 SNOWFALL (IN) YESTERDAY 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 YESTERDAY 14 3 11 13 MONTH TO DATE 47 33 14 56 SINCE MAR 1 704 871 -167 823 SINCE JUL 1 4283 4390 -107 4267 COOLING YESTERDAY 0 4 -4 0 MONTH TO DATE 19 25 -6 13 SINCE MAR 1 54 69 -15 44 SINCE JAN 1 54 70 -16 44 ................................................................... WIND (MPH) HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (310) HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION N (340) AVERAGE WIND SPEED 9.7 SKY COVER AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 89 600 AM LOWEST 71 500 PM AVERAGE 80 .......................................................... THE ST. LOUIS CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 75 91 1928 1963 MINIMUM TEMPERATURE (F) 56 31 1966 SUNRISE AND SUNSET MAY 10 2021...........SUNRISE 554 AM CDT SUNSET 803 PM CDT MAY 11 2021...........SUNRISE 553 AM CDT SUNSET 804 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$