583  
CDUS43 KLOT 200646  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
146 AM CDT FRI SEP 20 2024  
   
...............................  
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 19 2024  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1905 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 89 3:29 PM 93 1947 74 15 69  
1948  
2021  
MINIMUM 55 4:41 AM 34 1929 52 3 55  
AVERAGE 72 63 9 62  
 
PRECIPITATION (IN)  
YESTERDAY T 2.38 1968 0.12 -0.12 0.51  
MONTH TO DATE T 2.42 -2.42 1.32  
SINCE SEP 1 T 2.42 -2.42 1.32  
SINCE JAN 1 29.48 29.21 0.27 22.79  
 
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 4 -4 3  
MONTH TO DATE 26 42 -16 34  
SINCE SEP 1 26 42 -16 34  
SINCE JUL 1 35 53 -18 37  
 
COOLING  
YESTERDAY 7 2 5 0  
MONTH TO DATE 70 70 0 62  
SINCE SEP 1 70 70 0 62  
SINCE JAN 1 905 809 96 735    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 5.2  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 3:00 AM  
LOWEST 35 12:00 PM  
AVERAGE 62  
   
......................................................  
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 92 1895  
1920  
MINIMUM TEMPERATURE (F) 52 30 1956  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2024.....SUNRISE 6:42 AM CDT SUNSET 6:56 PM CDT  
SEPTEMBER 21 2024.....SUNRISE 6:43 AM CDT SUNSET 6:54 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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