804  
CDUS43 KLOT 170644  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
144 AM CDT SUN MAR 17 2024  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR MARCH 16 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 58 12:57 PM 80 2012 47 11 45  
MINIMUM 37 4:29 AM 6 1923 28 9 36  
AVERAGE 48 37 11 41  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.98 1942 0.08 -0.08 0.25  
MONTH TO DATE 1.22 1.15 0.07 1.60  
SINCE MAR 1 1.22 1.15 0.07 1.60  
SINCE JAN 1 3.79 4.38 -0.59 7.46  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.6 1960 0.2 -0.2 0.0  
MONTH TO DATE 0.0 3.4 -3.4 10.8  
SINCE MAR 1 0.0 3.4 -3.4 10.8  
SINCE JUL 1 21.2 34.7 -13.5 31.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 28 -11 24  
MONTH TO DATE 289 493 -204 459  
SINCE MAR 1 289 493 -204 459  
SINCE JUL 1 4463 5421 -958 5016  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 16.6  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 5:00 AM  
LOWEST 37 1:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 47 82 2012  
MINIMUM TEMPERATURE (F) 29 -3 1941  
 
SUNRISE AND SUNSET  
MARCH 17 2024.........SUNRISE 7:04 AM CDT SUNSET 7:06 PM CDT  
MARCH 18 2024.........SUNRISE 7:02 AM CDT SUNSET 7:07 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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