061  
CDUS43 KLOT 170631  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
131 AM CDT SAT JUN 17 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR JUNE 16 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 75 4:10 PM 96 1994 81 -6 91  
MINIMUM 46 3:14 AM 40 1914 60 -14 66  
1917  
AVERAGE 61 71 -10 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.01 1973 0.18 -0.18 0.00  
MONTH TO DATE 0.37 2.93 -2.56 1.31  
SINCE JUN 1 0.37 2.93 -2.56 1.31  
SINCE JAN 1 14.21 16.49 -2.28 12.88  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 35.5 37.1 -1.6 21.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 1 3 0  
MONTH TO DATE 20 24 -4 16  
SINCE JUN 1 20 24 -4 16  
SINCE JUL 1 6063 6493 -430 6130  
 
COOLING  
YESTERDAY 0 6 -6 14  
MONTH TO DATE 61 77 -16 88  
SINCE JUN 1 61 77 -16 88  
SINCE JAN 1 109 138 -29 224    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 3.8  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 3:00 AM  
LOWEST 50 5:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 99 1933  
MINIMUM TEMPERATURE (F) 60 42 1980  
 
SUNRISE AND SUNSET  
JUNE 17 2023..........SUNRISE 5:20 AM CDT SUNSET 8:35 PM CDT  
JUNE 18 2023..........SUNRISE 5:20 AM CDT SUNSET 8:35 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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