387  
CDUS45 KBOI 180931  
CLIBOI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
331 AM MDT MON AUG 18 2025  
   
...............................
 
 
   
..THE BOISE ID CLIMATE SUMMARY FOR AUGUST 17 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1875 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 86 525 PM 103 2022 91 -5 102  
MINIMUM 63 638 AM 40 1978 61 2 64  
AVERAGE 75 76 -1 83  
 
PRECIPITATION (IN)  
YESTERDAY T 0.41 1916 0.01 -0.01 0.00  
MONTH TO DATE 0.02 0.09 -0.07 0.02  
SINCE OCT 1 11.21 11.00 0.21 14.93  
SINCE JAN 1 6.80 7.47 -0.67 10.99  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2006 0.0 0.0 0.0  
MONTH TO DATE 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 32 66 -34 24  
SINCE JUL 1 0 5 -5 0  
 
COOLING  
YESTERDAY 10 11 -1 18  
MONTH TO DATE 192 216 -24 297  
SINCE JUN 1 807 745 62 1096  
SINCE JAN 1 887 790 97 1120    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 1100 AM  
LOWEST 26 500 PM  
AVERAGE 51  
   
......................................................
 
 
THE BOISE ID CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 104 1903  
MINIMUM TEMPERATURE (F) 61 38 1995  
 
SUNRISE AND SUNSET  
AUGUST 18 2025........SUNRISE 653 AM MDT SUNSET 843 PM MDT  
AUGUST 19 2025........SUNRISE 655 AM MDT SUNSET 841 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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