099  
CDUS43 KLOT 220633  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT SAT APR 22 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR APRIL 21 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 59 1:35 PM 86 1985 62 -3 68  
MINIMUM 37 4:26 AM 24 1988 40 -3 46  
AVERAGE 48 51 -3 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.38 1973 0.14 -0.14 0.01  
MONTH TO DATE 2.27 2.56 -0.29 2.14  
SINCE MAR 1 5.57 4.96 0.61 5.06  
SINCE JAN 1 11.43 8.19 3.24 6.69  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.3 1988 0.0 0.0 0.0  
MONTH TO DATE 0.7 0.7 -0.0 2.6  
SINCE MAR 1 14.8 5.6 9.2 6.0  
SINCE JUL 1 35.3 36.9 -1.6 21.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 14 3 8  
MONTH TO DATE 288 372 -84 453  
SINCE MAR 1 1159 1232 -73 1240  
SINCE JUL 1 5716 6160 -444 5829  
 
COOLING  
YESTERDAY 0 0 0 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 25 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 11.6  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 6:00 AM  
LOWEST 38 3:00 PM  
AVERAGE 62  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 91 1980  
MINIMUM TEMPERATURE (F) 41 23 1986  
 
SUNRISE AND SUNSET  
APRIL 22 2023.........SUNRISE 6:05 AM CDT SUNSET 7:45 PM CDT  
APRIL 23 2023.........SUNRISE 6:04 AM CDT SUNSET 7:47 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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