977  
CDUS43 KLOT 120633  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT THU OCT 12 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR OCTOBER 11 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 68 1:36 PM 88 1920 65 3 71  
MINIMUM 29 4:54 AM 25 2009 44 -15 48  
AVERAGE 49 54 -5 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.45 1.79 1912 0.08 0.37 0.34  
MONTH TO DATE 0.51 0.97 -0.46 0.34  
SINCE SEP 1 2.70 4.59 -1.89 6.18  
SINCE JAN 1 24.17 31.38 -7.21 34.27  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1917 0.0 0.0 0.0  
2006  
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 16 11 5 5  
MONTH TO DATE 103 105 -2 113  
SINCE SEP 1 141 212 -71 225  
SINCE JUL 1 144 223 -79 227  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 24 8 16 0  
SINCE SEP 1 128 97 31 103  
SINCE JAN 1 801 836 -35 971    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 3.0  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 9:00 PM  
LOWEST 27 2:00 PM  
AVERAGE 62  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 85 1930  
2008  
MINIMUM TEMPERATURE (F) 43 24 1987  
1988  
 
SUNRISE AND SUNSET  
OCTOBER 12 2023.......SUNRISE 7:05 AM CDT SUNSET 6:20 PM CDT  
OCTOBER 13 2023.......SUNRISE 7:07 AM CDT SUNSET 6:18 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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