737  
CDUS43 KLOT 202133  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
433 PM CDT WED SEP 20 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 20 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 80 2:46 PM 92 1895 74 6 90  
1920  
MINIMUM 62 8:06 AM 30 1956 52 10 61  
AVERAGE 71 63 8 76  
 
PRECIPITATION (IN)  
TODAY 0.41 2.40 2001 0.12 0.29 0.20  
MONTH TO DATE 1.73 2.54 -0.81 5.71  
SINCE SEP 1 1.73 2.54 -0.81 5.71  
SINCE JAN 1 23.20 29.33 -6.13 33.80  
 
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 4 -4 0  
MONTH TO DATE 34 46 -12 11  
SINCE SEP 1 34 46 -12 11  
SINCE JUL 1 37 57 -20 13  
 
COOLING  
TODAY 6 2 4 11  
MONTH TO DATE 68 72 -4 98  
SINCE SEP 1 68 72 -4 98  
SINCE JAN 1 741 811 -70 966    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 7.6  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 7:00 AM  
LOWEST 56 3:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 94 1920  
MINIMUM TEMPERATURE (F) 51 34 1995  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2023.....SUNRISE 6:41 AM CDT SUNSET 6:58 PM CDT  
SEPTEMBER 21 2023.....SUNRISE 6:42 AM CDT SUNSET 6:56 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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