919  
CDUS43 KLOT 190637  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1237 AM CST FRI JAN 19 2024  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR JANUARY 18 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 21 12:01 PM 57 1996 29 -8 39  
MINIMUM 11 11:59 PM -23 1994 14 -3 34  
AVERAGE 16 21 -5 37  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 0.87 1933 0.05 0.00 0.20  
MONTH TO DATE 1.64 0.96 0.68 1.09  
SINCE DEC 1 4.77 2.89 1.88 3.65  
SINCE JAN 1 1.64 0.96 0.68 1.09  
 
SNOWFALL (IN)  
YESTERDAY 1.0 7.0 1943 0.4 0.6 T  
MONTH TO DATE 15.0 6.2 8.8 0.7  
SINCE DEC 1 17.8 15.6 2.2 4.0  
SINCE JUL 1 19.3 18.1 1.2 6.3  
SNOW DEPTH 8  
 
DEGREE DAYS  
HEATING  
YESTERDAY 49 44 5 28  
MONTH TO DATE 803 773 30 561  
SINCE DEC 1 1686 1943 -257 1757  
SINCE JUL 1 2903 3259 -356 3033  
 
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 16 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 7.4  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 1:00 AM  
LOWEST 62 11:00 AM  
AVERAGE 73  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 53 2006  
MINIMUM TEMPERATURE (F) 14 -24 1985  
1994  
 
SUNRISE AND SUNSET  
JANUARY 19 2024.......SUNRISE 7:21 AM CST SUNSET 4:54 PM CST  
JANUARY 20 2024.......SUNRISE 7:20 AM CST SUNSET 4:55 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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