253  
CDUS43 KIND 180535  
CLIIND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE INDIANAPOLIS IN  
135 AM EDT MON AUG 18 2025  
   
...............................
 
 
   
..THE INDIANAPOLIS IN CLIMATE SUMMARY FOR AUGUST 17 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 91 506 PM 99 1988 85 6 86  
MINIMUM 70 1239 AM 52 1963 65 5 68  
AVERAGE 81 75 6 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.27 3.18 1935 0.11 0.16 0.27  
MONTH TO DATE 1.26 1.73 -0.47 1.76  
SINCE JUN 1 9.78 11.10 -1.32 10.38  
SINCE JAN 1 27.69 29.43 -1.74 32.42  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 2000 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 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 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 6 15 -9 9  
SINCE JUL 1 0 1 -1 0  
 
COOLING  
YESTERDAY 16 10 6 12  
MONTH TO DATE 217 172 45 177  
SINCE JUN 1 990 745 245 798  
SINCE JAN 1 1053 847 206 960    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 4.6  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 900 AM  
LOWEST 47 400 PM  
AVERAGE 70  
   
......................................................
 
 
THE INDIANAPOLIS IN CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 98 1936  
MINIMUM TEMPERATURE (F) 65 48 1963  
 
SUNRISE AND SUNSET  
AUGUST 18 2025........SUNRISE 700 AM EDT SUNSET 837 PM EDT  
AUGUST 19 2025........SUNRISE 701 AM EDT SUNSET 835 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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