164  
CDUS43 KLOT 180641  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
141 AM CDT THU JUL 18 2024  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR JULY 17 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 2:05 PM 104 1936 84 -4 78  
MINIMUM 60 11:55 PM 49 1976 64 -4 57  
AVERAGE 70 74 -4 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.56 1996 0.12 -0.12 0.00  
MONTH TO DATE 5.45 2.10 3.35 1.56  
SINCE JUN 1 9.92 7.33 2.59 3.46  
SINCE JAN 1 24.92 20.89 4.03 17.30  
 
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 2 0 2 0  
SINCE JUN 1 8 27 -19 20  
SINCE JUL 1 2 0 2 0  
 
COOLING  
YESTERDAY 5 9 -4 3  
MONTH TO DATE 156 152 4 127  
SINCE JUN 1 430 334 96 292  
SINCE JAN 1 498 395 103 340    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 10.3  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 5:00 AM  
LOWEST 45 5:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 99 2012  
MINIMUM TEMPERATURE (F) 64 45 1924  
 
SUNRISE AND SUNSET  
JULY 18 2024..........SUNRISE 5:37 AM CDT SUNSET 8:28 PM CDT  
JULY 19 2024..........SUNRISE 5:37 AM CDT SUNSET 8:28 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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