196  
CDUS43 KLOT 160644  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
144 AM CDT SUN APR 16 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR APRIL 15 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1905 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 83 11:33 AM 87 2002 60 23 50  
MINIMUM 57 11:59 PM 16 1928 38 19 34  
AVERAGE 70 49 21 42  
 
PRECIPITATION (IN)  
YESTERDAY 0.28 2.26 2012 0.12 0.16 T  
MONTH TO DATE 1.56 1.76 -0.20 1.72  
SINCE MAR 1 4.86 4.16 0.70 4.64  
SINCE JAN 1 10.72 7.39 3.33 6.27  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.5 1923 0.0 0.0 0.0  
1949  
MONTH TO DATE T 0.6 -0.6 1.7  
SINCE MAR 1 14.1 5.5 8.6 5.1  
SINCE JUL 1 34.6 36.8 -2.2 21.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 16 -16 23  
MONTH TO DATE 185 282 -97 323  
SINCE MAR 1 1056 1142 -86 1110  
SINCE JUL 1 5613 6070 -457 5699  
 
COOLING  
YESTERDAY 5 0 5 0  
MONTH TO DATE 9 0 9 0  
SINCE MAR 1 9 2 7 0  
SINCE JAN 1 9 2 7 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 8.7  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
HAIL  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 11:00 PM  
LOWEST 35 3:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 86 1977  
2002  
MINIMUM TEMPERATURE (F) 39 19 1949  
 
SUNRISE AND SUNSET  
APRIL 16 2023.........SUNRISE 6:14 AM CDT SUNSET 7:39 PM CDT  
APRIL 17 2023.........SUNRISE 6:13 AM CDT SUNSET 7:40 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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