804  
CDUS43 KLOT 140632  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT THU SEP 14 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 13 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 71 3:06 PM 99 1939 77 -6 77  
MINIMUM 48 11:59 PM 32 1975 55 -7 53  
AVERAGE 60 66 -6 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 5.56 1961 0.12 -0.12 0.00  
MONTH TO DATE 0.59 1.68 -1.09 5.36  
SINCE SEP 1 0.59 1.68 -1.09 5.36  
SINCE JAN 1 22.06 28.47 -6.41 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 5 3 2 0  
MONTH TO DATE 15 21 -6 10  
SINCE SEP 1 15 21 -6 10  
SINCE JUL 1 18 32 -14 12  
 
COOLING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 61 54 7 53  
SINCE SEP 1 61 54 7 53  
SINCE JAN 1 734 793 -59 921    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 4.6  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 2:00 AM  
LOWEST 42 3:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 101 1939  
MINIMUM TEMPERATURE (F) 54 30 1923  
 
SUNRISE AND SUNSET  
SEPTEMBER 14 2023.....SUNRISE 6:35 AM CDT SUNSET 7:08 PM CDT  
SEPTEMBER 15 2023.....SUNRISE 6:36 AM CDT SUNSET 7:06 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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