111  
CDUS43 KLOT 090635  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
135 AM CDT MON SEP 09 2024  
   
...............................  
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 8 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 73 3:28 PM 101 1922 78 -5 69  
MINIMUM 40 5:51 AM 37 1986 57 -17 58  
AVERAGE 57 67 -10 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.06 2020 0.14 -0.14 T  
MONTH TO DATE T 1.07 -1.07 0.06  
SINCE SEP 1 T 1.07 -1.07 0.06  
SINCE JAN 1 29.48 27.86 1.62 21.53  
 
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 SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 2 6 1  
MONTH TO DATE 26 10 16 1  
SINCE SEP 1 26 10 16 1  
SINCE JUL 1 35 21 14 4  
 
COOLING  
YESTERDAY 0 4 -4 0  
MONTH TO DATE 4 36 -32 58  
SINCE SEP 1 4 36 -32 58  
SINCE JAN 1 839 775 64 731    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 5:00 AM  
LOWEST 44 1:00 PM  
AVERAGE 70  
   
......................................................  
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 97 1897  
1955  
MINIMUM TEMPERATURE (F) 56 41 1914  
1923  
1924  
 
SUNRISE AND SUNSET  
SEPTEMBER 9 2024.....SUNRISE 6:31 AM CDT SUNSET 7:15 PM CDT  
SEPTEMBER 10 2024.....SUNRISE 6:32 AM CDT SUNSET 7:14 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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