115 CDUS43 KLOT 180637 CLIRFD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 136 AM CDT FRI AUG 18 2017 ................................... ...THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 17 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 81 430 PM 102 1988 83 -2 86 MINIMUM 68 1159 PM 46 1924 62 6 68 AVERAGE 75 72 3 77 PRECIPITATION (IN) YESTERDAY 0.05 2.03 1979 0.17 -0.12 T MONTH TO DATE 0.61 2.60 -1.99 1.52 SINCE JUN 1 15.53 11.20 4.33 11.58 SINCE JAN 1 34.38 23.67 10.71 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 10 7 3 12 MONTH TO DATE 107 133 -26 187 SINCE JUN 1 608 582 26 717 SINCE JAN 1 644 637 7 802 .................................................................. WIND (MPH) HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SW (240) HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (250) AVERAGE WIND SPEED 12.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 90 500 AM LOWEST 58 200 PM AVERAGE 74 .......................................................... THE ROCKFORD IL CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 82 101 1936 MINIMUM TEMPERATURE (F) 61 45 1963 SUNRISE AND SUNSET AUGUST 18 2017........SUNRISE 607 AM CDT SUNSET 752 PM CDT AUGUST 19 2017........SUNRISE 608 AM CDT SUNSET 751 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$