386  
CDUS45 KBOI 180931  
CLITWF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
331 AM MDT MON AUG 18 2025  
   
...............................
 
 
   
..THE TWIN FALLS ID CLIMATE SUMMARY FOR AUGUST 17 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1997 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 83 352 PM 99 2022 87 -4 93  
MINIMUM 61 1135 PM 44 2009 56 5 54  
AVERAGE 72 71 1 74  
 
PRECIPITATION (IN)  
YESTERDAY T 0.07 2023 0.02 -0.02 0.00  
MONTH TO DATE T 0.27 -0.27 0.21  
SINCE OCT 1 6.34 9.59 -3.25 7.30  
SINCE JAN 1 3.55 6.77 -3.22 4.85  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 69 120 -51 56  
SINCE JUL 1 0 10 -10 0  
 
COOLING  
YESTERDAY 7 7 0 9  
MONTH TO DATE 143 142 1 181  
SINCE JUN 1 612 475 137 703  
SINCE JAN 1 657 490 167 705    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 9.1  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 60 1000 PM  
LOWEST 29 200 PM  
AVERAGE 45  
   
......................................................
 
 
THE TWIN FALLS ID CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 99 2008  
MINIMUM TEMPERATURE (F) 55 50 2003  
 
SUNRISE AND SUNSET  
AUGUST 18 2025........SUNRISE 648 AM MDT SUNSET 834 PM MDT  
AUGUST 19 2025........SUNRISE 650 AM MDT SUNSET 833 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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