275  
CDUS43 KLOT 200636  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
136 AM CDT THU APR 20 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR APRIL 19 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 63 2:06 PM 87 1985 61 2 53  
MINIMUM 43 2:18 AM 16 1983 40 3 33  
AVERAGE 53 50 3 43  
 
PRECIPITATION (IN)  
YESTERDAY T 1.82 1927 0.13 -0.13 0.00  
MONTH TO DATE 2.15 2.29 -0.14 1.87  
SINCE MAR 1 5.45 4.69 0.76 4.79  
SINCE JAN 1 11.31 7.92 3.39 6.42  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1996 0.0 0.0 0.0  
2013  
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 12 15 -3 22  
MONTH TO DATE 267 344 -77 427  
SINCE MAR 1 1138 1204 -66 1214  
SINCE JUL 1 5695 6132 -437 5803  
 
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 20 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 8.9  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 10:00 PM  
LOWEST 40 10:00 AM  
AVERAGE 56  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 89 1987  
MINIMUM TEMPERATURE (F) 40 24 2018  
 
SUNRISE AND SUNSET  
APRIL 20 2023.........SUNRISE 6:08 AM CDT SUNSET 7:43 PM CDT  
APRIL 21 2023.........SUNRISE 6:07 AM CDT SUNSET 7:44 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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