483  
CDUS43 KLOT 210639  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
139 AM CDT SAT SEP 21 2024  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 20 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 90 2:40 PM 92 1895 74 16 80  
1920  
MINIMUM 58 11:42 PM 30 1956 52 6 61  
AVERAGE 74 63 11 71  
 
PRECIPITATION (IN)  
YESTERDAY T 2.40 2001 0.12 -0.12 0.41  
MONTH TO DATE T 2.54 -2.54 1.73  
SINCE SEP 1 T 2.54 -2.54 1.73  
SINCE JAN 1 29.48 29.33 0.15 23.20  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1934 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 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 4 -4 0  
MONTH TO DATE 26 46 -20 34  
SINCE SEP 1 26 46 -20 34  
SINCE JUL 1 35 57 -22 37  
 
COOLING  
YESTERDAY 9 2 7 6  
MONTH TO DATE 79 72 7 68  
SINCE SEP 1 79 72 7 68  
SINCE JAN 1 914 811 103 741    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 7:00 AM  
LOWEST 27 3:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 94 1920  
MINIMUM TEMPERATURE (F) 51 34 1995  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2024.....SUNRISE 6:43 AM CDT SUNSET 6:54 PM CDT  
SEPTEMBER 22 2024.....SUNRISE 6:44 AM CDT SUNSET 6:53 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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