547 CDUS43 KLOT 220634 CLIRFD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 134 AM CDT FRI SEP 22 2017 ................................... ...THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 21 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 89 217 PM 94 1920 73 16 77 MINIMUM 69 540 AM 34 1995 50 19 66 AVERAGE 79 62 17 72 PRECIPITATION (IN) YESTERDAY 0.04 3.20 1950 0.12 -0.08 1.04 MONTH TO DATE 0.51 2.40 -1.89 2.90 SINCE SEP 1 0.51 2.40 -1.89 2.90 SINCE JAN 1 37.30 28.06 9.24 28.82 SNOWFALL (IN) YESTERDAY 0.0 0.0 MM 0.0 0.0 T MONTH TO DATE 0.0 0.0 0.0 T SINCE SEP 1 0.0 0.0 0.0 T SINCE JUL 1 0.0 0.0 0.0 T SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 5 -5 0 MONTH TO DATE 50 55 -5 2 SINCE SEP 1 50 55 -5 2 SINCE JUL 1 57 69 -12 2 COOLING YESTERDAY 14 2 12 7 MONTH TO DATE 59 73 -14 131 SINCE SEP 1 59 73 -14 131 SINCE JAN 1 743 800 -57 1048 .................................................................. WIND (MPH) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (170) HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (180) AVERAGE WIND SPEED 5.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 100 300 AM LOWEST 37 200 PM AVERAGE 69 .......................................................... THE ROCKFORD IL CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 73 93 1937 MINIMUM TEMPERATURE (F) 49 30 1976 SUNRISE AND SUNSET SEPTEMBER 22 2017.....SUNRISE 644 AM CDT SUNSET 653 PM CDT SEPTEMBER 23 2017.....SUNRISE 645 AM CDT SUNSET 651 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$