393  
CDUS45 KBOI 190122  
CLIBOI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
722 PM MDT MON SEP 18 2023  
   
...............................
 
 
   
..THE BOISE ID CLIMATE SUMMARY FOR SEPTEMBER 18 2023
 
 
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1875 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 86 341 PM 98 1875 79 7 78  
MINIMUM 60 647 AM 27 1965 52 8 56  
AVERAGE 73 66 7 67  
 
PRECIPITATION (IN)  
TODAY 0.00 0.86 1882 0.01 -0.01 0.00  
MONTH TO DATE 0.21 0.22 -0.01 0.17  
SINCE OCT 1 14.50 11.30 3.20 10.99  
SINCE JAN 1 9.40 7.77 1.63 6.45  
 
DEGREE DAYS  
HEATING  
TODAY 0 3 -3 0  
MONTH TO DATE 0 31 -31 3  
SINCE SEP 1 0 31 -31 3  
SINCE JUL 1 0 44 -44 3  
 
COOLING  
TODAY 8 3 5 2  
MONTH TO DATE 145 94 51 166  
SINCE SEP 1 145 94 51 166  
SINCE JAN 1 1311 1009 302 1350    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 7.0  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 41 500 AM  
LOWEST 19 400 PM  
AVERAGE 30  
   
......................................................
 
 
THE BOISE ID CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 94 1917  
2008  
MINIMUM TEMPERATURE (F) 52 31 1978  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2023.....SUNRISE 727 AM MDT SUNSET 750 PM MDT  
SEPTEMBER 19 2023.....SUNRISE 729 AM MDT SUNSET 748 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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