519 CDUS43 KLOT 200646 CLIRFD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 146 AM CDT SUN AUG 20 2017 ................................... ...THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 19 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 81 425 PM 100 1947 82 -1 85 1916 MINIMUM 57 536 AM 44 1915 61 -4 67 AVERAGE 69 72 -3 76 PRECIPITATION (IN) YESTERDAY 0.00 3.41 1990 0.15 -0.15 0.32 MONTH TO DATE 0.61 2.90 -2.29 2.02 SINCE JUN 1 15.53 11.50 4.03 12.08 SINCE JAN 1 34.38 23.97 10.41 23.64 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 4 7 -3 11 MONTH TO DATE 118 147 -29 211 SINCE JUN 1 619 596 23 741 SINCE JAN 1 655 651 4 826 .................................................................. WIND (MPH) HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION S (180) HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 2.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 600 AM LOWEST 45 300 PM AVERAGE 73 .......................................................... THE ROCKFORD IL CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 82 100 1947 MINIMUM TEMPERATURE (F) 61 47 1940 1897 SUNRISE AND SUNSET AUGUST 20 2017........SUNRISE 609 AM CDT SUNSET 749 PM CDT AUGUST 21 2017........SUNRISE 610 AM CDT SUNSET 748 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$