277  
CDUS43 KLOT 140633  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT MON AUG 14 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 13 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 76 12:53 PM 96 1944 83 -7 79  
MINIMUM 61 6:48 AM 46 1931 63 -2 62  
AVERAGE 69 72 -3 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 2.31 1911 0.14 -0.13 0.06  
MONTH TO DATE 0.29 1.70 -1.41 6.24  
SINCE JUN 1 6.51 10.74 -4.23 13.88  
SINCE JAN 1 20.35 24.30 -3.95 25.45  
 
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 0 0 0 2  
SINCE JUN 1 20 30 -10 18  
SINCE JUL 1 0 3 -3 2  
 
COOLING  
YESTERDAY 4 8 -4 6  
MONTH TO DATE 93 104 -11 119  
SINCE JUN 1 505 560 -55 618  
SINCE JAN 1 553 621 -68 754    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 2.5  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 11:00 PM  
LOWEST 64 10:00 AM  
AVERAGE 77  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 97 1944  
MINIMUM TEMPERATURE (F) 62 43 1964  
 
SUNRISE AND SUNSET  
AUGUST 14 2023........SUNRISE 6:03 AM CDT SUNSET 7:59 PM CDT  
AUGUST 15 2023........SUNRISE 6:04 AM CDT SUNSET 7:57 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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