481  
CDUS43 KLOT 160635  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT TUE OCT 16 2018  
 
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR OCTOBER 15 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1905 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 47 340 PM 89 1947 63 -16 66  
MINIMUM 32 1150 PM 21 1937 41 -9 41  
AVERAGE 40 52 -12 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 1.06 1967 0.08 -0.02 0.01  
MONTH TO DATE 3.97 1.31 2.66 4.09  
SINCE SEP 1 9.54 4.66 4.88 4.60  
SINCE JAN 1 43.47 30.32 13.15 41.39  
 
SNOWFALL (IN)  
YESTERDAY T R 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE T 0.0 0.0 0.0  
SINCE SEP 1 T 0.0 0.0 0.0  
SINCE JUL 1 T 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 25 13 12 11  
MONTH TO DATE 171 165 6 59  
SINCE SEP 1 254 282 -28 134  
SINCE JUL 1 254 296 -42 141  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 23 8 15 14  
SINCE SEP 1 160 92 68 141  
SINCE JAN 1 967 819 148 825    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 11.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
SNOW  
LIGHT SNOW  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 300 AM  
LOWEST 42 100 PM  
AVERAGE 66  
   
......................................................
 
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 87 1938  
MINIMUM TEMPERATURE (F) 41 27 1991  
1944  
 
 
SUNRISE AND SUNSET  
OCTOBER 16 2018.......SUNRISE 710 AM CDT SUNSET 613 PM CDT  
OCTOBER 17 2018.......SUNRISE 711 AM CDT SUNSET 611 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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