384  
CDUS43 KLOT 150634  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT WED AUG 15 2018  
 
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 14 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1905 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 84 219 PM 97 1944 83 1 82  
MINIMUM 64 539 AM 43 1964 62 2 60  
AVERAGE 74 72 2 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 5.70 1987 0.16 -0.16 T  
MONTH TO DATE 2.06 2.11 -0.05 0.13  
SINCE JUN 1 18.67 10.71 7.96 15.05  
SINCE JAN 1 30.68 23.18 7.50 33.90  
 
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 0 0 0 1  
SINCE JUN 1 4 34 -30 12  
SINCE JUL 1 0 3 -3 1  
 
COOLING  
YESTERDAY 9 8 1 6  
MONTH TO DATE 128 112 16 76  
SINCE JUN 1 574 561 13 577  
SINCE JAN 1 689 616 73 613    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 3.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 100 AM  
LOWEST 55 100 PM  
AVERAGE 74  
   
......................................................
 
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 99 1988  
MINIMUM TEMPERATURE (F) 62 44 1929  
1921  
 
 
SUNRISE AND SUNSET  
AUGUST 15 2018........SUNRISE 604 AM CDT SUNSET 757 PM CDT  
AUGUST 16 2018........SUNRISE 605 AM CDT SUNSET 756 PM CDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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