464  
CDUS43 KLOT 042133  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
433 PM CDT MON SEP 04 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 4 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 92 2:46 PM 101 1925 79 13 71  
MINIMUM 66 5:53 AM 39 1974 58 8 62  
AVERAGE 79 68 11 67  
 
PRECIPITATION (IN)  
TODAY 0.00 2.38 2008 0.13 -0.13 T  
MONTH TO DATE 0.00 0.54 -0.54 T  
SINCE SEP 1 0.00 0.54 -0.54 T  
SINCE JAN 1 21.47 27.33 -5.86 28.09  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 0 1 -1 0  
MONTH TO DATE 0 4 -4 0  
SINCE SEP 1 0 4 -4 0  
SINCE JUL 1 3 15 -12 2  
 
COOLING  
TODAY 14 5 9 2  
MONTH TO DATE 35 20 15 30  
SINCE SEP 1 35 20 15 30  
SINCE JAN 1 708 759 -51 898    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 7.6  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 7:00 AM  
LOWEST 41 2:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 100 1925  
MINIMUM TEMPERATURE (F) 58 41 1924  
 
SUNRISE AND SUNSET  
SEPTEMBER 4 2023.....SUNRISE 6:25 AM CDT SUNSET 7:25 PM CDT  
SEPTEMBER 5 2023.....SUNRISE 6:26 AM CDT SUNSET 7:24 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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