335  
CDUS43 KLOT 140632  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT SUN MAY 14 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 13 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 72 3:19 PM 92 2022 70 2 92  
MINIMUM 59 2:51 AM 32 1923 48 11 63  
1938  
AVERAGE 66 59 7 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.74 2010 0.13 -0.13 0.01  
MONTH TO DATE 1.59 1.61 -0.02 1.46  
SINCE MAR 1 7.57 7.76 -0.19 8.86  
SINCE JAN 1 13.43 10.99 2.44 10.49  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 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 7 -7 0  
MONTH TO DATE 76 113 -37 109  
SINCE MAR 1 1426 1455 -29 1464  
SINCE JUL 1 5983 6383 -400 6053  
 
COOLING  
YESTERDAY 1 1 0 13  
MONTH TO DATE 18 10 8 70  
SINCE MAR 1 27 17 10 75  
SINCE JAN 1 27 17 10 75    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 12:00 AM  
LOWEST 57 5:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 92 2007  
2013  
MINIMUM TEMPERATURE (F) 49 33 1910  
1943  
 
SUNRISE AND SUNSET  
MAY 14 2023...........SUNRISE 5:37 AM CDT SUNSET 8:09 PM CDT  
MAY 15 2023...........SUNRISE 5:36 AM CDT SUNSET 8:10 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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