027  
CDUS43 KLOT 110635  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
135 AM CDT THU MAY 11 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 10 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 78 2:46 PM 92 2022 69 9 92  
MINIMUM 46 5:09 AM 24 1966 47 -1 68  
AVERAGE 62 58 4 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.74 1951 0.12 -0.12 0.00  
MONTH TO DATE 0.79 1.22 -0.43 1.37  
SINCE MAR 1 6.77 7.37 -0.60 8.77  
SINCE JAN 1 12.63 10.60 2.03 10.40  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.2 1990 0.0 0.0 0.0  
2001  
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 3 8 -5 0  
MONTH TO DATE 76 91 -15 109  
SINCE MAR 1 1426 1433 -7 1464  
SINCE JUL 1 5983 6361 -378 6053  
 
COOLING  
YESTERDAY 0 1 -1 15  
MONTH TO DATE 12 7 5 20  
SINCE MAR 1 21 14 7 25  
SINCE JAN 1 21 14 7 25    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 4.4  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 5:00 AM  
LOWEST 32 6:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 94 2022  
MINIMUM TEMPERATURE (F) 48 28 1907  
 
SUNRISE AND SUNSET  
MAY 11 2023...........SUNRISE 5:40 AM CDT SUNSET 8:06 PM CDT  
MAY 12 2023...........SUNRISE 5:39 AM CDT SUNSET 8:07 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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