374  
CDUS43 KLOT 300632  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT SAT SEP 30 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 29 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 77 3:40 PM 94 1953 70 7 66  
MINIMUM 49 5:34 AM 28 1949 48 1 35  
AVERAGE 63 59 4 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.92 1906 0.09 -0.09 0.00  
MONTH TO DATE 2.19 3.52 -1.33 5.84  
SINCE SEP 1 2.19 3.52 -1.33 5.84  
SINCE JAN 1 23.66 30.31 -6.65 33.93  
 
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 2 7 -5 14  
MONTH TO DATE 38 98 -60 101  
SINCE SEP 1 38 98 -60 101  
SINCE JUL 1 41 109 -68 103  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 96 87 9 103  
SINCE SEP 1 96 87 9 103  
SINCE JAN 1 769 826 -57 971    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 3.7  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 55 2:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 92 1971  
MINIMUM TEMPERATURE (F) 48 27 1984  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2023.....SUNRISE 6:52 AM CDT SUNSET 6:40 PM CDT  
OCTOBER 1 2023.......SUNRISE 6:53 AM CDT SUNSET 6:38 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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