211  
CDUS43 KLOT 060637  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
137 AM CDT WED SEP 06 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 5 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 88 3:49 PM 100 1925 79 9 78  
MINIMUM 71 6:50 AM 41 1924 58 13 58  
AVERAGE 80 68 12 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.22 1929 0.13 -0.13 0.00  
MONTH TO DATE 0.00 0.67 -0.67 T  
SINCE SEP 1 0.00 0.67 -0.67 T  
SINCE JAN 1 21.47 27.46 -5.99 28.09  
 
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 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 5 -5 0  
SINCE SEP 1 0 5 -5 0  
SINCE JUL 1 3 16 -13 2  
 
COOLING  
YESTERDAY 15 4 11 3  
MONTH TO DATE 50 24 26 33  
SINCE SEP 1 50 24 26 33  
SINCE JAN 1 723 763 -40 901    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 11.1  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91 11:00 PM  
LOWEST 55 2:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 102 1922  
MINIMUM TEMPERATURE (F) 57 38 1924  
 
SUNRISE AND SUNSET  
SEPTEMBER 6 2023.....SUNRISE 6:27 AM CDT SUNSET 7:22 PM CDT  
SEPTEMBER 7 2023.....SUNRISE 6:28 AM CDT SUNSET 7:20 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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