422  
CDUS43 KLOT 160633  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT WED AUG 16 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 15 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1905 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 77 4:52 PM 99 1988 82 -5 80  
MINIMUM 59 11:59 PM 44 1921 62 -3 59  
1929  
AVERAGE 68 72 -4 70  
 
PRECIPITATION (IN)  
YESTERDAY T 3.90 1898 0.15 -0.15 0.00  
MONTH TO DATE 1.37 1.99 -0.62 6.24  
SINCE JUN 1 7.59 11.03 -3.44 13.88  
SINCE JAN 1 21.43 24.59 -3.16 25.45  
 
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 2  
SINCE JUN 1 20 30 -10 18  
SINCE JUL 1 0 3 -3 2  
 
COOLING  
YESTERDAY 3 7 -4 5  
MONTH TO DATE 96 119 -23 127  
SINCE JUN 1 508 575 -67 626  
SINCE JAN 1 556 636 -80 762    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 9.3  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 12:00 AM  
LOWEST 42 3:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 104 1988  
MINIMUM TEMPERATURE (F) 62 44 1992  
 
SUNRISE AND SUNSET  
AUGUST 16 2023........SUNRISE 6:05 AM CDT SUNSET 7:56 PM CDT  
AUGUST 17 2023........SUNRISE 6:06 AM CDT SUNSET 7:54 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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