204  
CDUS43 KLOT 210632  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT TUE MAY 21 2024  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 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 83 11:53 AM 94 1934 73 10 73  
MINIMUM 63 5:12 AM 31 1924 51 12 45  
AVERAGE 73 62 11 59  
 
PRECIPITATION (IN)  
YESTERDAY T 2.14 1996 0.14 -0.14 0.00  
MONTH TO DATE 2.94 2.55 0.39 1.95  
SINCE MAR 1 11.41 8.70 2.71 7.93  
SINCE JAN 1 13.98 11.93 2.05 13.79  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 2015 0.0 0.0 0.0  
MONTH TO DATE T 0.0 0.0 0.0  
SINCE MAR 1 6.1 5.8 0.3 15.0  
SINCE JUL 1 27.3 37.1 -9.8 35.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 5 -5 6  
MONTH TO DATE 57 155 -98 116  
SINCE MAR 1 1144 1497 -353 1466  
SINCE JUL 1 5318 6425 -1107 6023  
 
COOLING  
YESTERDAY 8 2 6 0  
MONTH TO DATE 31 23 8 18  
SINCE MAR 1 47 30 17 27  
SINCE JAN 1 47 30 17 27    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 10.4  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 11:00 PM  
LOWEST 37 2:00 AM  
AVERAGE 59  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 93 1934  
MINIMUM TEMPERATURE (F) 51 29 2002  
 
SUNRISE AND SUNSET  
MAY 21 2024...........SUNRISE 5:29 AM CDT SUNSET 8:17 PM CDT  
MAY 22 2024...........SUNRISE 5:29 AM CDT SUNSET 8:18 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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