033  
CDUS43 KLOT 182136  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
436 PM CDT FRI AUG 18 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 18 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 75 2:59 PM 101 1936 82 -7 83  
MINIMUM 52 6:50 AM 45 1963 62 -10 56  
AVERAGE 64 72 -8 70  
 
PRECIPITATION (IN)  
TODAY 0.00 2.87 2015 0.14 -0.14 0.00  
MONTH TO DATE 1.41 2.41 -1.00 6.24  
SINCE JUN 1 7.63 11.45 -3.82 13.88  
SINCE JAN 1 21.47 25.01 -3.54 25.45  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 1 0 1 0  
MONTH TO DATE 1 0 1 2  
SINCE JUN 1 21 30 -9 18  
SINCE JUL 1 1 3 -2 2  
 
COOLING  
TODAY 0 7 -7 5  
MONTH TO DATE 101 140 -39 142  
SINCE JUN 1 513 596 -83 641  
SINCE JAN 1 561 657 -96 777    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 2.5  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 6:00 AM  
LOWEST 48 2:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 100 1916  
1947  
MINIMUM TEMPERATURE (F) 62 44 1915  
 
SUNRISE AND SUNSET  
AUGUST 18 2023........SUNRISE 6:07 AM CDT SUNSET 7:53 PM CDT  
AUGUST 19 2023........SUNRISE 6:08 AM CDT SUNSET 7:51 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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