938  
CDUS43 KLOT 170646  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1246 AM CST WED JAN 17 2024  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR JANUARY 16 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1905 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 0 3:54 PM 53 1933 29 -29 48  
MINIMUM -10 8:03 AM -25 2009 14 -24 37  
AVERAGE -5 21 -26 43  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.01 2017 0.06 -0.06 0.42  
MONTH TO DATE 1.58 0.86 0.72 0.89  
SINCE DEC 1 4.71 2.79 1.92 3.45  
SINCE JAN 1 1.58 0.86 0.72 0.89  
 
SNOWFALL (IN)  
YESTERDAY 0.0 9.5 1924 0.3 -0.3 0.0  
MONTH TO DATE 14.0 5.4 8.6 0.7  
SINCE DEC 1 16.8 14.8 2.0 4.0  
SINCE JUL 1 18.3 17.3 1.0 6.3  
SNOW DEPTH 9  
 
DEGREE DAYS  
HEATING  
YESTERDAY 70 44 26 22  
MONTH TO DATE 695 685 10 508  
SINCE DEC 1 1578 1855 -277 1704  
SINCE JUL 1 2795 3171 -376 2980  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 12.9  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 3:00 AM  
LOWEST 62 4:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 53 1990  
MINIMUM TEMPERATURE (F) 14 -25 1982  
 
SUNRISE AND SUNSET  
JANUARY 17 2024.......SUNRISE 7:22 AM CST SUNSET 4:51 PM CST  
JANUARY 18 2024.......SUNRISE 7:21 AM CST SUNSET 4:53 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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