069  
CDUS43 KLOT 130634  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT SUN AUG 13 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 12 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 85 4:53 PM 99 1918 83 2 71  
MINIMUM 65 5:43 AM 44 1967 63 2 55  
AVERAGE 75 72 3 63  
 
PRECIPITATION (IN)  
YESTERDAY T 1.10 1940 0.14 -0.14 T  
MONTH TO DATE 0.28 1.56 -1.28 6.18  
SINCE JUN 1 6.50 10.60 -4.10 13.82  
SINCE JAN 1 20.34 24.16 -3.82 25.39  
 
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 2  
MONTH TO DATE 0 0 0 2  
SINCE JUN 1 20 30 -10 18  
SINCE JUL 1 0 3 -3 2  
 
COOLING  
YESTERDAY 10 8 2 0  
MONTH TO DATE 89 96 -7 113  
SINCE JUN 1 501 552 -51 612  
SINCE JAN 1 549 613 -64 748    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 8.1  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 5:00 AM  
LOWEST 39 4:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 96 1944  
MINIMUM TEMPERATURE (F) 63 46 1931  
 
SUNRISE AND SUNSET  
AUGUST 13 2023........SUNRISE 6:02 AM CDT SUNSET 8:00 PM CDT  
AUGUST 14 2023........SUNRISE 6:03 AM CDT SUNSET 7:59 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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