861  
CDUS43 KLOT 212135  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
435 PM CDT TUE MAY 21 2024  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 21 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 88 2:59 PM 93 1934 73 15 81  
MINIMUM 64 4:57 AM 29 2002 51 13 44  
AVERAGE 76 62 14 63  
 
PRECIPITATION (IN)  
TODAY 0.00 1.70 1940 0.15 -0.15 0.00  
MONTH TO DATE 2.94 2.70 0.24 1.95  
SINCE MAR 1 11.41 8.85 2.56 7.93  
SINCE JAN 1 13.98 12.08 1.90 13.79  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM 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  
TODAY 0 5 -5 2  
MONTH TO DATE 57 160 -103 118  
SINCE MAR 1 1144 1502 -358 1468  
SINCE JUL 1 5318 6430 -1112 6025  
 
COOLING  
TODAY 11 2 9 0  
MONTH TO DATE 42 25 17 18  
SINCE MAR 1 58 32 26 27  
SINCE JAN 1 58 32 26 27    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 9.9  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 4:00 AM  
LOWEST 42 2:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 94 1925  
MINIMUM TEMPERATURE (F) 52 33 1967  
 
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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