105  
CDUS43 KLOT 300631  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
131 AM CDT SUN JUL 30 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR JULY 29 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 85 4:18 PM 104 1916 84 1 81  
MINIMUM 68 5:50 AM 47 1925 63 5 56  
AVERAGE 77 74 3 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.00 1989 0.13 -0.13 0.00  
MONTH TO DATE 4.32 3.56 0.76 5.43  
SINCE JUN 1 6.22 8.79 -2.57 7.64  
SINCE JAN 1 20.06 22.35 -2.29 19.21  
 
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 0  
SINCE JUN 1 20 27 -7 16  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 12 9 3 4  
MONTH TO DATE 235 260 -25 277  
SINCE JUN 1 400 442 -42 488  
SINCE JAN 1 448 503 -55 624    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 5.0  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 12:00 AM  
LOWEST 53 5:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 104 1916  
MINIMUM TEMPERATURE (F) 63 47 1971  
 
SUNRISE AND SUNSET  
JULY 30 2023..........SUNRISE 5:47 AM CDT SUNSET 8:18 PM CDT  
JULY 31 2023..........SUNRISE 5:48 AM CDT SUNSET 8:17 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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