896  
CDUS43 KLOT 010648  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
148 AM CDT SUN OCT 01 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 30 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 86 2:58 PM 92 1971 70 16 70  
MINIMUM 59 6:08 AM 27 1984 48 11 38  
AVERAGE 73 59 14 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.23 1925 0.10 -0.10 0.00  
MONTH TO DATE 2.19 3.62 -1.43 5.84  
SINCE SEP 1 2.19 3.62 -1.43 5.84  
SINCE JAN 1 23.66 30.41 -6.75 33.93  
 
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 SEP 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 7 -7 11  
MONTH TO DATE 38 105 -67 112  
SINCE SEP 1 38 105 -67 112  
SINCE JUL 1 41 116 -75 114  
 
COOLING  
YESTERDAY 8 1 7 0  
MONTH TO DATE 104 89 15 103  
SINCE SEP 1 104 89 15 103  
SINCE JAN 1 777 828 -51 971    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 5.9  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 4:00 AM  
LOWEST 49 4:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 90 1971  
MINIMUM TEMPERATURE (F) 47 28 2003  
 
SUNRISE AND SUNSET  
OCTOBER 1 2023.......SUNRISE 6:53 AM CDT SUNSET 6:38 PM CDT  
OCTOBER 2 2023.......SUNRISE 6:54 AM CDT SUNSET 6:37 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