870  
CDUS43 KLOT 040633  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT THU MAY 04 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 3 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 63 5:10 PM 91 1938 66 -3 51  
MINIMUM 35 5:20 AM 26 2005 45 -10 41  
AVERAGE 49 56 -7 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.15 1935 0.12 -0.12 0.75  
MONTH TO DATE T 0.37 -0.37 0.75  
SINCE MAR 1 5.98 6.52 -0.54 8.15  
SINCE JAN 1 11.84 9.75 2.09 9.78  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1976 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 15.0 5.8 9.2 6.0  
SINCE JUL 1 35.5 37.1 -1.6 21.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 10 6 19  
MONTH TO DATE 48 30 18 46  
SINCE MAR 1 1398 1372 26 1401  
SINCE JUL 1 5955 6300 -345 5990  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 9 7 2 5  
SINCE JAN 1 9 7 2 5    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 5:00 AM  
LOWEST 35 5:00 PM  
AVERAGE 57  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 92 1952  
MINIMUM TEMPERATURE (F) 45 27 1935  
 
SUNRISE AND SUNSET  
MAY 4 2023...........SUNRISE 5:48 AM CDT SUNSET 7:59 PM CDT  
MAY 5 2023...........SUNRISE 5:47 AM CDT SUNSET 8:00 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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