946  
CDUS43 KLOT 040631  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
131 AM CDT WED OCT 04 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR OCTOBER 3 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 86 1:46 PM 90 1922 68 18 71  
1997  
MINIMUM 53 4:58 AM 28 1952 46 7 41  
1974  
AVERAGE 70 57 13 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.21 1953 0.10 -0.10 0.00  
MONTH TO DATE 0.00 0.29 -0.29 0.00  
SINCE SEP 1 2.19 3.91 -1.72 5.84  
SINCE JAN 1 23.66 30.70 -7.04 33.93  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1951 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 0 8 -8 9  
MONTH TO DATE 0 24 -24 26  
SINCE SEP 1 38 131 -93 138  
SINCE JUL 1 41 142 -101 140  
 
COOLING  
YESTERDAY 5 1 4 0  
MONTH TO DATE 17 3 14 0  
SINCE SEP 1 121 92 29 103  
SINCE JAN 1 794 831 -37 971    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 7.3  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1:00 AM  
LOWEST 36 4:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 90 1922  
MINIMUM TEMPERATURE (F) 46 24 1989  
 
SUNRISE AND SUNSET  
OCTOBER 4 2023.......SUNRISE 6:56 AM CDT SUNSET 6:33 PM CDT  
OCTOBER 5 2023.......SUNRISE 6:58 AM CDT SUNSET 6:31 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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