991  
CDUS43 KLOT 210636  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1236 AM CST SUN JAN 21 2024  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR JANUARY 20 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 14 2:40 PM 51 1921 29 -15 34  
MINIMUM -6 11:45 PM -26 1985 14 -20 28  
AVERAGE 4 21 -17 31  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.53 1907 0.05 -0.05 T  
MONTH TO DATE 1.65 1.06 0.59 1.24  
SINCE DEC 1 4.78 2.99 1.79 3.80  
SINCE JAN 1 1.65 1.06 0.59 1.24  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.1 2012 0.4 -0.4 T  
MONTH TO DATE 15.9 6.9 9.0 0.7  
SINCE DEC 1 18.7 16.3 2.4 4.0  
SINCE JUL 1 20.2 18.8 1.4 6.3  
SNOW DEPTH 9  
 
DEGREE DAYS  
HEATING  
YESTERDAY 61 44 17 34  
MONTH TO DATE 923 861 62 624  
SINCE DEC 1 1806 2031 -225 1820  
SINCE JUL 1 3023 3347 -324 3096  
 
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 13 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 10:00 PM  
LOWEST 58 4:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 60 1906  
MINIMUM TEMPERATURE (F) 14 -22 1970  
1984  
 
SUNRISE AND SUNSET  
JANUARY 21 2024.......SUNRISE 7:19 AM CST SUNSET 4:56 PM CST  
JANUARY 22 2024.......SUNRISE 7:19 AM CST SUNSET 4:58 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page
The Nexlab IN Page Main Text Page