336  
CDUS43 KLOT 172133  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
433 PM CDT TUE OCT 17 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR OCTOBER 17 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 63 2:37 PM 87 1938 62 1 42  
1947  
1950  
MINIMUM 32 6:19 AM 24 1952 41 -9 34  
1992  
AVERAGE 48 52 -4 38  
 
PRECIPITATION (IN)  
TODAY 0.00 2.01 1998 0.08 -0.08 T  
MONTH TO DATE 3.83 1.46 2.37 0.78  
SINCE SEP 1 6.02 5.08 0.94 6.62  
SINCE JAN 1 27.49 31.87 -4.38 34.71  
 
SNOWFALL (IN)  
TODAY 0.0 T 1921 0.0 0.0 T  
2022  
MONTH TO DATE 0.0 0.0 0.0 T  
SINCE SEP 1 0.0 0.0 0.0 T  
SINCE JUL 1 0.0 0.0 0.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 17 14 3 27  
MONTH TO DATE 191 181 10 236  
SINCE SEP 1 229 288 -59 348  
SINCE JUL 1 232 299 -67 350  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 24 8 16 0  
SINCE SEP 1 128 97 31 103  
SINCE JAN 1 801 836 -35 971    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 2.2  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 7:00 AM  
LOWEST 50 3:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 86 1950  
1953  
MINIMUM TEMPERATURE (F) 41 19 1952  
 
SUNRISE AND SUNSET  
OCTOBER 17 2023.......SUNRISE 7:11 AM CDT SUNSET 6:12 PM CDT  
OCTOBER 18 2023.......SUNRISE 7:12 AM CDT SUNSET 6:10 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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