308  
CDUS43 KLOT 010640  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
140 AM CDT THU JUN 01 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 31 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 89 MM 106 1934 77 12 85  
MINIMUM 60 4:46 AM 36 1897 55 5 68  
AVERAGE 75 66 9 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 1.54 1969 0.16 -0.11 0.01  
MONTH TO DATE 2.00 4.18 -2.18 2.54  
SINCE MAR 1 7.98 10.33 -2.35 9.94  
SINCE JAN 1 13.84 13.56 0.28 11.57  
 
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 3 -3 0  
MONTH TO DATE 136 198 -62 170  
SINCE MAR 1 1486 1540 -54 1525  
SINCE JUL 1 6043 6468 -425 6114  
 
COOLING  
YESTERDAY 10 4 6 12  
MONTH TO DATE 39 54 -15 131  
SINCE MAR 1 48 61 -13 136  
SINCE JAN 1 48 61 -13 136    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 2.6  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 9:00 PM  
LOWEST 35 2:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 106 1934  
MINIMUM TEMPERATURE (F) 55 36 1897  
 
SUNRISE AND SUNSET  
JUNE 1 2023..........SUNRISE 5:23 AM CDT SUNSET 8:26 PM CDT  
JUNE 2 2023..........SUNRISE 5:22 AM CDT SUNSET 8:27 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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