584  
CDUS43 KLOT 260634  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT TUE SEP 26 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 25 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 77 3:04 PM 95 1920 72 5 70  
MINIMUM 62 5:11 AM 27 1942 50 12 50  
AVERAGE 70 61 9 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.07 1.93 1993 0.11 -0.04 0.00  
MONTH TO DATE 1.97 3.13 -1.16 5.84  
SINCE SEP 1 1.97 3.13 -1.16 5.84  
SINCE JAN 1 23.44 29.92 -6.48 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 6 -6 5  
MONTH TO DATE 34 72 -38 48  
SINCE SEP 1 34 72 -38 48  
SINCE JUL 1 37 83 -46 50  
 
COOLING  
YESTERDAY 5 2 3 0  
MONTH TO DATE 92 82 10 103  
SINCE SEP 1 92 82 10 103  
SINCE JAN 1 765 821 -56 971    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 11:00 PM  
LOWEST 54 2:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 92 1920  
MINIMUM TEMPERATURE (F) 49 26 1926  
 
SUNRISE AND SUNSET  
SEPTEMBER 26 2023.....SUNRISE 6:48 AM CDT SUNSET 6:47 PM CDT  
SEPTEMBER 27 2023.....SUNRISE 6:49 AM CDT SUNSET 6:45 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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