615  
CDUS43 KIND 160530  
CLIIND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE INDIANAPOLIS IN  
130 AM EDT TUE SEP 16 2025  
   
...............................  
 
   
..THE INDIANAPOLIS IN CLIMATE SUMMARY FOR SEPTEMBER 15 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1871 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 89 455 PM 100 1939 79 10 88  
MINIMUM 61 640 AM 42 1974 58 3 67  
AVERAGE 75 68 7 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.21 1881 0.11 -0.11 0.00  
MONTH TO DATE 0.73 1.59 -0.86 0.05  
SINCE SEP 1 0.73 1.59 -0.86 0.05  
SINCE JAN 1 28.47 32.49 -4.02 32.81  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 14 10 4 15  
SINCE SEP 1 14 10 4 15  
SINCE JUL 1 17 13 4 15  
 
COOLING  
YESTERDAY 10 5 5 13  
MONTH TO DATE 64 94 -30 93  
SINCE SEP 1 64 94 -30 93  
SINCE JAN 1 1185 1070 115 1203    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 600 AM  
LOWEST 34 500 PM  
AVERAGE 58  
   
......................................................  
 
THE INDIANAPOLIS IN CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 96 1939  
MINIMUM TEMPERATURE (F) 57 39 1984  
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2025.....SUNRISE 727 AM EDT SUNSET 752 PM EDT  
SEPTEMBER 17 2025.....SUNRISE 728 AM EDT SUNSET 750 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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