916  
CDUS43 KLOT 190637  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
137 AM CDT MON AUG 19 2024  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 18 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1905 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 80 3:54 PM 101 1936 82 -2 75  
MINIMUM 65 11:59 PM 45 1963 62 3 52  
AVERAGE 73 72 1 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.87 2015 0.14 -0.14 0.00  
MONTH TO DATE 1.18 2.41 -1.23 1.41  
SINCE JUN 1 13.44 11.45 1.99 7.63  
SINCE JAN 1 28.44 25.01 3.43 21.47  
 
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 1  
MONTH TO DATE 2 0 2 1  
SINCE JUN 1 10 30 -20 21  
SINCE JUL 1 4 3 1 1  
 
COOLING  
YESTERDAY 8 7 1 0  
MONTH TO DATE 135 140 -5 101  
SINCE JUN 1 667 596 71 513  
SINCE JAN 1 735 657 78 561    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 8.6  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 5:00 AM  
LOWEST 32 1:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 100 1916  
1947  
MINIMUM TEMPERATURE (F) 62 44 1915  
 
SUNRISE AND SUNSET  
AUGUST 19 2024........SUNRISE 6:09 AM CDT SUNSET 7:50 PM CDT  
AUGUST 20 2024........SUNRISE 6:10 AM CDT SUNSET 7:49 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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