002  
CDUS43 KLOT 112137  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
437 PM CDT MON SEP 11 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 11 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 65 11:48 AM 96 1931 77 -12 66  
MINIMUM 60 6:13 AM 34 1917 55 5 55  
AVERAGE 63 66 -3 61  
 
PRECIPITATION (IN)  
TODAY 0.47 4.46 2022 0.12 0.35 4.46  
MONTH TO DATE 0.59 1.44 -0.85 4.46  
SINCE SEP 1 0.59 1.44 -0.85 4.46  
SINCE JAN 1 22.06 28.23 -6.17 32.55  
 
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 2 2 0 4  
MONTH TO DATE 4 16 -12 4  
SINCE SEP 1 4 16 -12 4  
SINCE JUL 1 7 27 -20 6  
 
COOLING  
TODAY 0 4 -4 0  
MONTH TO DATE 61 48 13 53  
SINCE SEP 1 61 48 13 53  
SINCE JAN 1 734 787 -53 921    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 3:00 AM  
LOWEST 84 12:00 AM  
AVERAGE 92  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 95 1927  
MINIMUM TEMPERATURE (F) 55 36 1975  
 
SUNRISE AND SUNSET  
SEPTEMBER 11 2023.....SUNRISE 6:32 AM CDT SUNSET 7:13 PM CDT  
SEPTEMBER 12 2023.....SUNRISE 6:33 AM CDT SUNSET 7:12 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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