316  
CDUS43 KLOT 190631  
CLIVPZ  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
131 AM CDT FRI SEP 19 2025  
   
...............................  
 
   
..THE VALPARAISO IN CLIMATE SUMMARY FOR SEPTEMBER 18 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 88 2:27 PM 89 2007 77 11 88  
MINIMUM 56 5:56 AM 42 2020 54 2 52  
AVERAGE 72 66 6 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.94 2013 0.08 -0.08 0.00  
MONTH TO DATE 0.73 1.49 -0.76 0.23  
SINCE SEP 1 0.73 1.49 -0.76 0.23  
SINCE JAN 1 21.84 24.85 -3.01 28.33  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 41 25 16 27  
SINCE SEP 1 41 25 16 27  
SINCE JUL 1 54 32 22 41  
 
COOLING  
YESTERDAY 7 3 4 5  
MONTH TO DATE 54 83 -29 59  
SINCE SEP 1 54 83 -29 59  
SINCE JAN 1 972 927 45 800    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 3.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 6:00 AM  
LOWEST 35 1:00 PM  
AVERAGE 64  
   
......................................................  
 
THE VALPARAISO IN CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 92 2021  
MINIMUM TEMPERATURE (F) 54 37 2020  
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2025.....SUNRISE 6:33 AM CDT SUNSET 6:50 PM CDT  
SEPTEMBER 20 2025.....SUNRISE 6:34 AM CDT SUNSET 6:48 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab IL Page
The Nexlab IN Page
Main Text Page