537 CDUS43 KLOT 041119 CLIRFD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 131 AM CDT MON SEP 4 2017 ................................... ...THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 3 2017... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1905 TO 2017 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 82 223 PM 100 1913 80 2 78 MINIMUM 52 541 AM 43 1908 58 -6 56 AVERAGE 67 69 -2 67 PRECIPITATION (IN) YESTERDAY 0.00 1.12 1941 0.11 -0.11 0.00 MONTH TO DATE 0.07 0.36 -0.29 0.00 SINCE SEP 1 0.07 0.36 -0.29 0.00 SINCE JAN 1 36.86 26.02 10.84 25.92 SNOWFALL (IN) YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE SEP 1 0.0 0.0 0.0 0.0 SINCE JUL 1 0.0 0.0 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 1 -1 0 MONTH TO DATE 12 3 9 0 SINCE SEP 1 12 3 9 0 SINCE JUL 1 19 17 2 0 COOLING YESTERDAY 2 5 -3 2 MONTH TO DATE 2 15 -13 7 SINCE SEP 1 2 15 -13 7 SINCE JAN 1 686 742 -56 924 .................................................................. WIND (MPH) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (300) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (300) AVERAGE WIND SPEED 5.0 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 300 AM LOWEST 39 1200 PM AVERAGE 70 .......................................................... THE ROCKFORD IL CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 80 101 1925 MINIMUM TEMPERATURE (F) 58 39 1974 SUNRISE AND SUNSET SEPTEMBER 4 2017.....SUNRISE 625 AM CDT SUNSET 724 PM CDT SEPTEMBER 5 2017.....SUNRISE 626 AM CDT SUNSET 723 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$