875  
CDUS43 KLOT 010638  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
138 AM CDT TUE AUG 01 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR JULY 31 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 81 4:13 PM 105 1916 83 -2 83  
MINIMUM 59 4:54 AM 43 1918 63 -4 60  
AVERAGE 70 73 -3 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.01 1965 0.13 -0.13 0.00  
MONTH TO DATE 4.32 3.81 0.51 5.43  
SINCE JUN 1 6.22 9.04 -2.82 7.64  
SINCE JAN 1 20.06 22.60 -2.54 19.21  
 
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 0  
SINCE JUN 1 20 27 -7 16  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 5 8 -3 7  
MONTH TO DATE 247 274 -27 288  
SINCE JUN 1 412 456 -44 499  
SINCE JAN 1 460 517 -57 635    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 3.2  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 3:00 AM  
LOWEST 53 2:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 101 1988  
MINIMUM TEMPERATURE (F) 63 48 1924  
 
SUNRISE AND SUNSET  
AUGUST 1 2023........SUNRISE 5:49 AM CDT SUNSET 8:16 PM CDT  
AUGUST 2 2023........SUNRISE 5:50 AM CDT SUNSET 8:15 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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