168  
CDUS43 KLOT 280635  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1235 AM CST SUN FEB 28 2021  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR FEBRUARY 27 2021
 
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1905 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 44 4:50 PM 68 1976 39 5 32  
MINIMUM 30 7:03 AM -15 1994 22 8 19  
2015  
AVERAGE 37 30 7 26  
 
PRECIPITATION (IN)  
YESTERDAY T 1.30 1948 0.06 -0.06 T  
MONTH TO DATE 0.78 1.35 -0.57 0.54  
SINCE DEC 1 4.58 4.70 -0.12 4.82  
SINCE JAN 1 2.82 2.72 0.10 3.14  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.0 1912 0.2 -0.2 T  
MONTH TO DATE 9.2 7.5 1.7 5.2  
SINCE DEC 1 32.8 29.0 3.8 19.8  
SINCE JUL 1 34.5 30.8 3.7 28.6  
SNOW DEPTH 4  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 35 -7 39  
MONTH TO DATE 1346 1059 287 1029  
SINCE DEC 1 3563 3633 -70 3154  
SINCE JUL 1 4717 4968 -251 4589  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 4:00 AM  
LOWEST 65 4:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 62 2016  
2018  
MINIMUM TEMPERATURE (F) 22 -16 2015  
 
SUNRISE AND SUNSET  
FEBRUARY 28 2021......SUNRISE 6:33 AM CST SUNSET 5:46 PM CST  
MARCH 1 2021.........SUNRISE 6:31 AM CST SUNSET 5:47 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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