065  
CDUS43 KLOT 210633  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT FRI APR 21 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR APRIL 20 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 76 2:31 PM 89 1987 62 14 51  
MINIMUM 46 11:59 PM 24 2018 40 6 43  
AVERAGE 61 51 10 47  
 
PRECIPITATION (IN)  
YESTERDAY 0.12 2.46 1929 0.13 -0.01 0.26  
MONTH TO DATE 2.27 2.42 -0.15 2.13  
SINCE MAR 1 5.57 4.82 0.75 5.05  
SINCE JAN 1 11.43 8.05 3.38 6.68  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1959 0.0 0.0 0.0  
2021  
MONTH TO DATE 0.7 0.7 -0.0 2.6  
SINCE MAR 1 14.8 5.6 9.2 6.0  
SINCE JUL 1 35.3 36.9 -1.6 21.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 14 -10 18  
MONTH TO DATE 271 358 -87 445  
SINCE MAR 1 1142 1218 -76 1232  
SINCE JUL 1 5699 6146 -447 5821  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 9 0 9 0  
SINCE MAR 1 9 2 7 0  
SINCE JAN 1 9 2 7 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 12.4  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 7:00 PM  
LOWEST 52 2:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 86 1985  
MINIMUM TEMPERATURE (F) 40 24 1988  
 
SUNRISE AND SUNSET  
APRIL 21 2023.........SUNRISE 6:07 AM CDT SUNSET 7:44 PM CDT  
APRIL 22 2023.........SUNRISE 6:05 AM CDT SUNSET 7:45 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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