690  
CDUS43 KLOT 120632  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT FRI MAY 12 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 11 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 83 4:28 PM 94 2022 69 14 94  
MINIMUM 50 4:59 AM 28 1907 48 2 72  
AVERAGE 67 59 8 83  
 
PRECIPITATION (IN)  
YESTERDAY 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)  
YESTERDAY 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  
YESTERDAY 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  
YESTERDAY 2 1 1 18  
MONTH TO DATE 14 8 6 38  
SINCE MAR 1 23 15 8 43  
SINCE JAN 1 23 15 8 43    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 5:00 AM  
LOWEST 27 6:00 PM  
AVERAGE 52  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 93 2022  
MINIMUM TEMPERATURE (F) 48 29 1981  
 
SUNRISE AND SUNSET  
MAY 12 2023...........SUNRISE 5:39 AM CDT SUNSET 8:07 PM CDT  
MAY 13 2023...........SUNRISE 5:38 AM CDT SUNSET 8:08 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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