588  
CDUS43 KLOT 170632  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT WED APR 17 2024  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR APRIL 16 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 78 2:02 PM 86 1977 60 18 58  
2002  
MINIMUM 53 5:33 AM 19 1949 39 14 32  
AVERAGE 66 49 17 45  
 
PRECIPITATION (IN)  
YESTERDAY 0.35 3.17 1972 0.13 0.22 0.57  
MONTH TO DATE 2.69 1.89 0.80 2.13  
SINCE MAR 1 7.27 4.29 2.98 5.43  
SINCE JAN 1 9.84 7.52 2.32 11.29  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.4 1961 0.0 0.0 0.2  
MONTH TO DATE 0.5 0.6 -0.1 0.2  
SINCE MAR 1 6.1 5.5 0.6 14.3  
SINCE JUL 1 27.3 36.8 -9.5 34.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 16 -16 20  
MONTH TO DATE 236 298 -62 205  
SINCE MAR 1 915 1158 -243 1076  
SINCE JUL 1 5089 6086 -997 5633  
 
COOLING  
YESTERDAY 1 0 1 0  
MONTH TO DATE 8 0 8 9  
SINCE MAR 1 8 2 6 9  
SINCE JAN 1 8 2 6 9    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 11.8  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 11:00 PM  
LOWEST 35 11:00 AM  
AVERAGE 61  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 86 1977  
MINIMUM TEMPERATURE (F) 39 22 2022  
 
SUNRISE AND SUNSET  
APRIL 17 2024.........SUNRISE 6:12 AM CDT SUNSET 7:41 PM CDT  
APRIL 18 2024.........SUNRISE 6:10 AM CDT SUNSET 7:42 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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