668  
CDUS43 KLOT 272137  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
437 PM CDT WED SEP 27 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 27 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 72 2:50 PM 90 2021 71 1 61  
MINIMUM 63 9:10 AM 29 1942 49 14 40  
AVERAGE 68 60 8 51  
 
PRECIPITATION (IN)  
TODAY 0.05 2.00 1999 0.10 -0.05 0.00  
MONTH TO DATE 2.18 3.34 -1.16 5.84  
SINCE SEP 1 2.18 3.34 -1.16 5.84  
SINCE JAN 1 23.65 30.13 -6.48 33.93  
 
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 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  
TODAY 0 6 -6 14  
MONTH TO DATE 34 84 -50 72  
SINCE SEP 1 34 84 -50 72  
SINCE JUL 1 37 95 -58 74  
 
COOLING  
TODAY 3 1 2 0  
MONTH TO DATE 98 85 13 103  
SINCE SEP 1 98 85 13 103  
SINCE JAN 1 771 824 -53 971    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 4.4  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 2:00 AM  
LOWEST 70 2:00 PM  
AVERAGE 84  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 91 1952  
MINIMUM TEMPERATURE (F) 48 24 1942  
 
SUNRISE AND SUNSET  
SEPTEMBER 27 2023.....SUNRISE 6:49 AM CDT SUNSET 6:45 PM CDT  
SEPTEMBER 28 2023.....SUNRISE 6:50 AM CDT SUNSET 6:43 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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