899  
CDUS43 KLOT 312135  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
435 PM CDT MON JUL 31 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR JULY 31 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 81 2:30 PM 105 1916 83 -2 83  
MINIMUM 59 4:54 AM 43 1918 63 -4 60  
AVERAGE 70 73 -3 72  
 
PRECIPITATION (IN)  
TODAY 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)  
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 0 0 0 0  
SINCE JUN 1 20 27 -7 16  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 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 SE (150)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 2.7  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
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 TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 101 1988  
MINIMUM TEMPERATURE (F) 63 48 1924  
 
SUNRISE AND SUNSET  
JULY 31 2023..........SUNRISE 5:48 AM CDT SUNSET 8:17 PM CDT  
AUGUST 1 2023........SUNRISE 5:49 AM CDT SUNSET 8:16 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page
The Nexlab IN Page Main Text Page