452  
CDUS43 KLOT 010638  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1238 AM CST THU FEB 01 2024  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR JANUARY 31 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 40 4:20 PM 63 1989 29 11 9  
MINIMUM 35 11:11 PM -31 2019 14 21 -11  
AVERAGE 38 22 16 -1  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.50 1915 0.05 -0.05 0.00  
MONTH TO DATE 2.28 1.60 0.68 2.07  
SINCE DEC 1 5.41 3.53 1.88 4.63  
SINCE JAN 1 2.28 1.60 0.68 2.07  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.5 1942 0.4 -0.4 0.0  
MONTH TO DATE 15.9 10.9 5.0 11.0  
SINCE DEC 1 18.7 20.3 -1.6 14.3  
SINCE JUL 1 20.2 22.8 -2.6 16.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 27 43 -16 66  
MONTH TO DATE 1285 1342 -57 1109  
SINCE DEC 1 2168 2512 -344 2305  
SINCE JUL 1 3385 3828 -443 3581  
 
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 SW (210)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 8.5  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 8:00 PM  
LOWEST 76 3:00 PM  
AVERAGE 83  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 48 1922  
1968  
MINIMUM TEMPERATURE (F) 14 -22 1985  
 
SUNRISE AND SUNSET  
FEBRUARY 1 2024......SUNRISE 7:10 AM CST SUNSET 5:10 PM CST  
FEBRUARY 2 2024......SUNRISE 7:09 AM CST SUNSET 5:12 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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