460  
CDUS43 KLOT 192151  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
450 PM CDT SUN MAY 19 2019  
 
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 19 2019
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1905 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 72 1056 AM 96 1934 73 -1 74  
MINIMUM 57 415 AM 31 1929 49 8 58  
AVERAGE 65 61 4 66  
 
PRECIPITATION (IN)  
TODAY 0.32 0.92 1990 0.13 0.19 0.01  
MONTH TO DATE 3.10 2.29 0.81 3.17  
SINCE MAR 1 9.45 7.96 1.49 5.55  
SINCE JAN 1 15.75 10.74 5.01 10.50  
 
SNOWFALL (IN)  
TODAY 0.0 T 1933 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 T  
SINCE MAR 1 6.7 5.7 1.0 6.5  
SINCE JUL 1 57.8 36.7 21.1 34.8  
 
DEGREE DAYS  
HEATING  
TODAY 0 6 -6 0  
MONTH TO DATE 193 150 43 52  
SINCE MAR 1 1623 1488 135 1671  
SINCE JUL 1 6867 6490 377 6612  
 
COOLING  
TODAY 0 2 -2 1  
MONTH TO DATE 2 19 -17 22  
SINCE MAR 1 4 27 -23 22  
SINCE JAN 1 4 27 -23 22    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 48 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 15.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
HAIL  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 500 AM  
LOWEST 68 1100 AM  
AVERAGE 83  
   
......................................................
 
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 94 1934  
MINIMUM TEMPERATURE (F) 50 31 1924  
 
 
SUNRISE AND SUNSET  
MAY 19 2019...........SUNRISE 532 AM CDT SUNSET 814 PM CDT  
MAY 20 2019...........SUNRISE 531 AM CDT SUNSET 815 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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