629  
CDUS43 KLOT 220632  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT TUE AUG 22 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 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 84 4:53 PM 100 1916 82 2 81  
1955  
MINIMUM 66 11:59 PM 45 1950 61 5 62  
AVERAGE 75 72 3 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.84 2002 0.14 -0.14 0.00  
MONTH TO DATE 1.41 2.82 -1.41 7.36  
SINCE JUN 1 7.63 11.86 -4.23 15.00  
SINCE JAN 1 21.47 25.42 -3.95 26.57  
 
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 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 1 0 1 2  
SINCE JUN 1 21 30 -9 18  
SINCE JUL 1 1 3 -2 2  
 
COOLING  
YESTERDAY 10 7 3 7  
MONTH TO DATE 132 161 -29 162  
SINCE JUN 1 544 617 -73 661  
SINCE JAN 1 592 678 -86 797    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 6:00 AM  
LOWEST 51 4:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 101 1936  
MINIMUM TEMPERATURE (F) 61 41 1923  
 
SUNRISE AND SUNSET  
AUGUST 22 2023........SUNRISE 6:11 AM CDT SUNSET 7:47 PM CDT  
AUGUST 23 2023........SUNRISE 6:12 AM CDT SUNSET 7:45 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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