755  
CDUS43 KLOT 150633  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT FRI SEP 15 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 14 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 75 3:41 PM 101 1939 76 -1 79  
MINIMUM 42 5:54 AM 30 1923 54 -12 49  
AVERAGE 59 65 -6 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.81 1911 0.13 -0.13 0.00  
MONTH TO DATE 0.59 1.81 -1.22 5.36  
SINCE SEP 1 0.59 1.81 -1.22 5.36  
SINCE JAN 1 22.06 28.60 -6.54 33.45  
 
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 6 3 3 1  
MONTH TO DATE 21 24 -3 11  
SINCE SEP 1 21 24 -3 11  
SINCE JUL 1 24 35 -11 13  
 
COOLING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 61 57 4 53  
SINCE SEP 1 61 57 4 53  
SINCE JAN 1 734 796 -62 921    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 1.8  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1:00 AM  
LOWEST 35 4:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 102 1939  
MINIMUM TEMPERATURE (F) 54 35 2007  
 
SUNRISE AND SUNSET  
SEPTEMBER 15 2023.....SUNRISE 6:36 AM CDT SUNSET 7:06 PM CDT  
SEPTEMBER 16 2023.....SUNRISE 6:37 AM CDT SUNSET 7:05 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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