366 CDUS43 KLOT 100648 CLIRFD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 147 AM CDT SUN SEP 10 2017 ................................... ...THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 9 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 73 330 PM 97 1955 78 -5 82 1897 MINIMUM 53 515 AM 41 1924 56 -3 61 1923 1914 AVERAGE 63 67 -4 72 PRECIPITATION (IN) YESTERDAY 0.00 5.45 1941 0.12 -0.12 T MONTH TO DATE 0.07 1.06 -0.99 1.47 SINCE SEP 1 0.07 1.06 -0.99 1.47 SINCE JAN 1 36.86 26.72 10.14 27.39 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 2 2 0 0 MONTH TO DATE 39 12 27 0 SINCE SEP 1 39 12 27 0 SINCE JUL 1 46 26 20 0 COOLING YESTERDAY 0 4 -4 7 MONTH TO DATE 4 41 -37 72 SINCE SEP 1 4 41 -37 72 SINCE JAN 1 688 768 -80 989 .................................................................. WIND (MPH) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (130) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (140) AVERAGE WIND SPEED 8.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 89 200 AM LOWEST 44 300 PM AVERAGE 67 .......................................................... THE ROCKFORD IL CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 78 96 2013 1931 MINIMUM TEMPERATURE (F) 55 37 1917 SUNRISE AND SUNSET SEPTEMBER 10 2017.....SUNRISE 631 AM CDT SUNSET 714 PM CDT SEPTEMBER 11 2017.....SUNRISE 632 AM CDT SUNSET 712 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$