820  
CDUS43 KLOT 090634  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT TUE MAY 09 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 8 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 1:37 AM 92 1896 68 -5 66  
MINIMUM 50 8:49 PM 30 1947 47 3 46  
AVERAGE 57 58 -1 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.76 1.58 1995 0.12 0.64 0.00  
MONTH TO DATE 0.79 0.97 -0.18 1.37  
SINCE MAR 1 6.77 7.12 -0.35 8.77  
SINCE JAN 1 12.63 10.35 2.28 10.40  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1960 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 8 8 0 9  
MONTH TO DATE 67 75 -8 109  
SINCE MAR 1 1417 1417 0 1464  
SINCE JUL 1 5974 6345 -371 6053  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 12 5 7 0  
SINCE MAR 1 21 12 9 5  
SINCE JAN 1 21 12 9 5    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 4.2  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 5:00 AM  
LOWEST 72 1:00 AM  
AVERAGE 86  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 96 1934  
MINIMUM TEMPERATURE (F) 47 27 1966  
 
SUNRISE AND SUNSET  
MAY 9 2023...........SUNRISE 5:42 AM CDT SUNSET 8:04 PM CDT  
MAY 10 2023...........SUNRISE 5:41 AM CDT SUNSET 8:05 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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