517 CDUS43 KLSX 100727 CLISTL CLIMATE REPORT NATIONAL WEATHER SERVICE ST LOUIS MO 226 AM CDT WED MAY 10 2017 ................................... ...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 9 2017... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1874 TO 2017 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 88 408 PM 92 1934 74 14 73 1895 MINIMUM 66 459 AM 35 1966 55 11 63 AVERAGE 77 65 12 68 PRECIPITATION (IN) YESTERDAY 0.00 2.09 1949 0.14 -0.14 0.29 MONTH TO DATE 2.76 1.29 1.47 0.34 SINCE MAR 1 17.37 8.30 9.07 7.12 SINCE JAN 1 19.66 12.94 6.72 8.72 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 1.8 2.7 -0.9 0.3 SINCE JUL 1 3.2 17.7 -14.5 10.9 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 3 -3 0 MONTH TO DATE 54 34 20 28 SINCE MAR 1 661 892 -231 599 SINCE JUL 1 3394 4490 -1096 3429 COOLING YESTERDAY 12 3 9 3 MONTH TO DATE 16 21 -5 17 SINCE MAR 1 89 67 22 77 SINCE JAN 1 91 67 24 77 .................................................................. WIND (MPH) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (240) HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (250) AVERAGE WIND SPEED 11.1 SKY COVER AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 68 500 AM LOWEST 36 500 PM AVERAGE 52 .......................................................... THE ST. LOUIS CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 75 91 1963 1928 MINIMUM TEMPERATURE (F) 55 31 1966 SUNRISE AND SUNSET MAY 10 2017...........SUNRISE 554 AM CDT SUNSET 803 PM CDT MAY 11 2017...........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. $$