261  
CDUS43 KLOT 020634  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT TUE MAY 02 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 1 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 55 5:07 PM 88 1952 66 -11 55  
1992  
2021  
MINIMUM 40 4:06 AM 27 1978 44 -4 49  
AVERAGE 48 55 -7 52  
 
PRECIPITATION (IN)  
YESTERDAY T 2.00 1973 0.13 -0.13 0.00  
MONTH TO DATE T 0.13 -0.13 0.00  
SINCE MAR 1 5.98 6.28 -0.30 7.40  
SINCE JAN 1 11.84 9.51 2.33 9.03  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.5 1940 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 17 10 7 13  
MONTH TO DATE 17 10 7 13  
SINCE MAR 1 1367 1352 15 1368  
SINCE JUL 1 5924 6280 -356 5957  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 9 7 2 5  
SINCE JAN 1 9 7 2 5    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 48 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 17.4  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 12:00 AM  
LOWEST 46 7:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 88 1959  
MINIMUM TEMPERATURE (F) 44 28 1966  
 
SUNRISE AND SUNSET  
MAY 2 2023...........SUNRISE 5:51 AM CDT SUNSET 7:57 PM CDT  
MAY 3 2023...........SUNRISE 5:50 AM CDT SUNSET 7:58 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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