620  
CDUS43 KLOT 220631  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
131 AM CDT WED MAY 22 2024  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 21 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 90 4:05 PM 93 1934 73 17 81  
MINIMUM 64 4:57 AM 29 2002 51 13 44  
AVERAGE 77 62 15 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 1.70 1940 0.15 -0.13 0.00  
MONTH TO DATE 2.96 2.70 0.26 1.95  
SINCE MAR 1 11.43 8.85 2.58 7.93  
SINCE JAN 1 14.00 12.08 1.92 13.79  
 
SNOWFALL (IN)  
YESTERDAY 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  
YESTERDAY 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  
YESTERDAY 12 2 10 0  
MONTH TO DATE 43 25 18 18  
SINCE MAR 1 59 32 27 27  
SINCE JAN 1 59 32 27 27    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 37 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 51 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 14.6  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 4:00 AM  
LOWEST 38 4:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 94 1925  
MINIMUM TEMPERATURE (F) 52 33 1967  
 
SUNRISE AND SUNSET  
MAY 22 2024...........SUNRISE 5:29 AM CDT SUNSET 8:18 PM CDT  
MAY 23 2024...........SUNRISE 5:28 AM CDT SUNSET 8:19 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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