608  
CDUS43 KLOT 090635  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
135 AM CDT MON OCT 09 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR OCTOBER 8 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 56 4:24 PM 88 1916 66 -10 59  
MINIMUM 36 12:49 AM 24 1987 45 -9 30  
AVERAGE 46 55 -9 45  
 
PRECIPITATION (IN)  
YESTERDAY T 0.52 2004 0.08 -0.08 0.00  
MONTH TO DATE 0.06 0.71 -0.65 T  
SINCE SEP 1 2.25 4.33 -2.08 5.84  
SINCE JAN 1 23.72 31.12 -7.40 33.93  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1915 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 19 10 9 20  
MONTH TO DATE 51 72 -21 87  
SINCE SEP 1 89 179 -90 199  
SINCE JUL 1 92 190 -98 201  
 
COOLING  
YESTERDAY 0 1 -1 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 9 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 2.4  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 6:00 AM  
LOWEST 45 4:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 90 2010  
MINIMUM TEMPERATURE (F) 44 23 1915  
 
SUNRISE AND SUNSET  
OCTOBER 9 2023.......SUNRISE 7:02 AM CDT SUNSET 6:25 PM CDT  
OCTOBER 10 2023.......SUNRISE 7:03 AM CDT SUNSET 6:23 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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