762  
CDUS43 KLOT 210633  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT THU OCT 21 2021  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR OCTOBER 20 2021
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1905 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 74 1:54 PM 86 1953 61 13 50  
MINIMUM 50 6:54 AM 19 1930 40 10 32  
AVERAGE 62 50 12 41  
 
PRECIPITATION (IN)  
YESTERDAY T 1.16 1934 0.08 -0.08 0.06  
MONTH TO DATE 3.51 1.71 1.80 0.54  
SINCE SEP 1 4.04 5.33 -1.29 7.15  
SINCE JAN 1 19.54 32.12 -12.58 29.49  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.3 1989 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 T  
SINCE SEP 1 0.0 0.0 0.0 T  
SINCE JUL 1 0.0 0.0 0.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 15 -12 24  
MONTH TO DATE 71 224 -153 239  
SINCE SEP 1 89 331 -242 337  
SINCE JUL 1 89 342 -253 337  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 50 8 42 5  
SINCE SEP 1 192 97 95 61  
SINCE JAN 1 1252 836 416 1038    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 9.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 6:00 AM  
LOWEST 45 2:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 87 1947  
MINIMUM TEMPERATURE (F) 40 22 1952  
2018  
 
SUNRISE AND SUNSET  
OCTOBER 21 2021.......SUNRISE 7:16 AM CDT SUNSET 6:05 PM CDT  
OCTOBER 22 2021.......SUNRISE 7:18 AM CDT SUNSET 6:03 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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