604  
CDUS43 KLOT 112136  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
436 PM CDT THU MAY 11 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 11 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 82 2:59 PM 94 2022 69 13 94  
MINIMUM 50 4:59 AM 28 1907 48 2 72  
AVERAGE 66 59 7 83  
 
PRECIPITATION (IN)  
TODAY 0.00 2.14 1966 0.13 -0.13 0.08  
MONTH TO DATE 0.79 1.35 -0.56 1.45  
SINCE MAR 1 6.77 7.50 -0.73 8.85  
SINCE JAN 1 12.63 10.73 1.90 10.48  
 
SNOWFALL (IN)  
TODAY 0.0 1.0 1966 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  
TODAY 0 8 -8 0  
MONTH TO DATE 76 99 -23 109  
SINCE MAR 1 1426 1441 -15 1464  
SINCE JUL 1 5983 6369 -386 6053  
 
COOLING  
TODAY 1 1 0 18  
MONTH TO DATE 13 8 5 38  
SINCE MAR 1 22 15 7 43  
SINCE JAN 1 22 15 7 43    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 5:00 AM  
LOWEST 29 2:00 PM  
AVERAGE 53  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 93 2022  
MINIMUM TEMPERATURE (F) 48 29 1981  
 
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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