334  
CDUS43 KLOT 190632  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT SUN MAY 19 2024  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 18 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 88 2:28 PM 94 1934 72 16 76  
MINIMUM 53 4:55 AM 31 2002 50 3 41  
AVERAGE 71 61 10 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.54 1987 0.14 -0.14 0.00  
MONTH TO DATE 2.94 2.27 0.67 1.76  
SINCE MAR 1 11.41 8.42 2.99 7.74  
SINCE JAN 1 13.98 11.65 2.33 13.60  
 
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 6 -6 6  
MONTH TO DATE 57 144 -87 105  
SINCE MAR 1 1144 1486 -342 1455  
SINCE JUL 1 5318 6414 -1096 6012  
 
COOLING  
YESTERDAY 6 2 4 0  
MONTH TO DATE 14 19 -5 18  
SINCE MAR 1 30 26 4 27  
SINCE JAN 1 30 26 4 27    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 5:00 AM  
LOWEST 37 3:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 96 1934  
MINIMUM TEMPERATURE (F) 51 31 1929  
 
SUNRISE AND SUNSET  
MAY 19 2024...........SUNRISE 5:31 AM CDT SUNSET 8:15 PM CDT  
MAY 20 2024...........SUNRISE 5:30 AM CDT SUNSET 8:16 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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