517 CDUS43 KLOT 170653 CLIRFD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 153 AM CDT THU AUG 17 2017 ................................... ...THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 16 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 91 MM 104 1988 83 8 85 MINIMUM 65 MM 44 1992 62 3 68 AVERAGE 78 72 6 77 PRECIPITATION (IN) YESTERDAY 0.43 3.58 1968 0.15 0.28 T MONTH TO DATE 0.56 2.43 -1.87 1.52 SINCE JUN 1 15.48 11.03 4.45 11.58 SINCE JAN 1 34.33 23.50 10.83 23.14 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 JUN 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 0 0 0 MONTH TO DATE 1 0 1 0 SINCE JUN 1 12 34 -22 6 SINCE JUL 1 1 3 -2 0 COOLING YESTERDAY 13 7 6 12 MONTH TO DATE 97 126 -29 175 SINCE JUN 1 598 575 23 705 SINCE JAN 1 634 630 4 790 .................................................................. WIND (MPH) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (160) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (160) AVERAGE WIND SPEED 9.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM HEAVY RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 94 900 PM LOWEST 49 100 PM AVERAGE 72 .......................................................... THE ROCKFORD IL CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 83 102 1988 MINIMUM TEMPERATURE (F) 62 46 1924 SUNRISE AND SUNSET AUGUST 17 2017........SUNRISE 606 AM CDT SUNSET 754 PM CDT AUGUST 18 2017........SUNRISE 607 AM CDT SUNSET 752 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$