143  
CDUS43 KLOT 122134  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CDT FRI MAY 12 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 12 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 75 12:06 PM 93 2022 70 5 93  
MINIMUM 63 1:43 AM 29 1981 48 15 74  
AVERAGE 69 59 10 84  
 
PRECIPITATION (IN)  
TODAY 0.75 1.20 1912 0.13 0.62 0.00  
MONTH TO DATE 1.54 1.48 0.06 1.45  
SINCE MAR 1 7.52 7.63 -0.11 8.85  
SINCE JAN 1 13.38 10.86 2.52 10.48  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 0 7 -7 0  
MONTH TO DATE 76 106 -30 109  
SINCE MAR 1 1426 1448 -22 1464  
SINCE JUL 1 5983 6376 -393 6053  
 
COOLING  
TODAY 4 1 3 19  
MONTH TO DATE 18 9 9 57  
SINCE MAR 1 27 16 11 62  
SINCE JAN 1 27 16 11 62    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 3.5  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 2:00 PM  
LOWEST 45 12:00 AM  
AVERAGE 71  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 92 2022  
MINIMUM TEMPERATURE (F) 48 32 1923  
1938  
 
SUNRISE AND SUNSET  
MAY 12 2023...........SUNRISE 5:39 AM CDT SUNSET 8:07 PM CDT  
MAY 13 2023...........SUNRISE 5:38 AM CDT SUNSET 8:08 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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