458  
CDUS43 KLOT 020634  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1234 AM CST TUE JAN 02 2024  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR JANUARY 1 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 30 1:57 PM 49 1916 30 0 37  
MINIMUM 25 11:59 PM -13 1924 16 9 31  
1968  
2018  
AVERAGE 28 23 5 34  
 
PRECIPITATION (IN)  
YESTERDAY T 1.37 1948 0.05 -0.05 0.13  
MONTH TO DATE T 0.05 -0.05 0.13  
SINCE DEC 1 3.13 1.98 1.15 2.69  
SINCE JAN 1 T 0.05 -0.05 0.13  
 
SNOWFALL (IN)  
YESTERDAY T 9.0 1942 0.3 -0.3 0.0  
MONTH TO DATE T 0.3 -0.3 0.0  
SINCE DEC 1 2.8 9.7 -6.9 3.3  
SINCE JUL 1 4.3 12.2 -7.9 5.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 37 42 -5 31  
MONTH TO DATE 37 42 -5 31  
SINCE DEC 1 920 1212 -292 1227  
SINCE JUL 1 2137 2528 -391 2503  
 
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 18 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 9.4  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 10:00 PM  
LOWEST 69 10:00 AM  
AVERAGE 77  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 59 2000  
MINIMUM TEMPERATURE (F) 16 -17 1979  
 
SUNRISE AND SUNSET  
JANUARY 2 2024.......SUNRISE 7:25 AM CST SUNSET 4:36 PM CST  
JANUARY 3 2024.......SUNRISE 7:25 AM CST SUNSET 4:36 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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