185  
CDUS43 KLOT 250634  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT THU MAY 25 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 24 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 75 2:18 PM 93 1921 74 1 69  
2010  
2012  
MINIMUM 51 4:35 AM 33 1925 52 -1 51  
AVERAGE 63 63 0 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.79 1997 0.14 -0.14 0.01  
MONTH TO DATE 1.95 3.13 -1.18 1.93  
SINCE MAR 1 7.93 9.28 -1.35 9.33  
SINCE JAN 1 13.79 12.51 1.28 10.96  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1925 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 2 4 -2 5  
MONTH TO DATE 120 174 -54 161  
SINCE MAR 1 1470 1516 -46 1516  
SINCE JUL 1 6027 6444 -417 6105  
 
COOLING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 20 32 -12 87  
SINCE MAR 1 29 39 -10 92  
SINCE JAN 1 29 39 -10 92    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 4:00 AM  
LOWEST 42 9:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 92 1939  
MINIMUM TEMPERATURE (F) 53 29 1925  
 
SUNRISE AND SUNSET  
MAY 25 2023...........SUNRISE 5:27 AM CDT SUNSET 8:20 PM CDT  
MAY 26 2023...........SUNRISE 5:26 AM CDT SUNSET 8:21 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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