452  
CDUS43 KLOT 200631  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
131 AM CDT MON MAY 20 2024  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 19 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 86 3:05 PM 96 1934 72 14 69  
MINIMUM 61 3:19 AM 31 1929 51 10 50  
AVERAGE 74 62 12 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.92 1990 0.14 -0.14 0.19  
MONTH TO DATE 2.94 2.41 0.53 1.95  
SINCE MAR 1 11.41 8.56 2.85 7.93  
SINCE JAN 1 13.98 11.79 2.19 13.79  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1923 0.0 0.0 0.0  
1933  
2019  
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 5  
MONTH TO DATE 57 150 -93 110  
SINCE MAR 1 1144 1492 -348 1460  
SINCE JUL 1 5318 6420 -1102 6017  
 
COOLING  
YESTERDAY 9 2 7 0  
MONTH TO DATE 23 21 2 18  
SINCE MAR 1 39 28 11 27  
SINCE JAN 1 39 28 11 27    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 5.9  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 3:00 AM  
LOWEST 30 4:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 94 1934  
MINIMUM TEMPERATURE (F) 51 31 1924  
 
SUNRISE AND SUNSET  
MAY 20 2024...........SUNRISE 5:30 AM CDT SUNSET 8:16 PM CDT  
MAY 21 2024...........SUNRISE 5:29 AM CDT SUNSET 8:17 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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