511  
CDUS43 KLOT 202133  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
433 PM CDT SUN AUG 20 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 20 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 91 2:48 PM 100 1947 82 9 75  
MINIMUM 68 5:50 AM 47 1897 62 6 64  
1940  
AVERAGE 80 72 8 70  
 
PRECIPITATION (IN)  
TODAY T 1.37 1937 0.13 -0.13 0.13  
MONTH TO DATE 1.41 2.68 -1.27 7.36  
SINCE JUN 1 7.63 11.72 -4.09 15.00  
SINCE JAN 1 21.47 25.28 -3.81 26.57  
 
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 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  
TODAY 15 7 8 5  
MONTH TO DATE 122 154 -32 155  
SINCE JUN 1 534 610 -76 654  
SINCE JAN 1 582 671 -89 790    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 2.4  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 5:00 AM  
LOWEST 61 2:00 PM  
AVERAGE 77  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 100 1916  
1955  
MINIMUM TEMPERATURE (F) 61 45 1950  
 
SUNRISE AND SUNSET  
AUGUST 20 2023........SUNRISE 6:09 AM CDT SUNSET 7:50 PM CDT  
AUGUST 21 2023........SUNRISE 6:10 AM CDT SUNSET 7:48 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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