326  
CDUS45 KBOI 180120  
CLIBOI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
720 PM MDT SUN SEP 17 2023  
   
...............................
 
 
   
..THE BOISE ID CLIMATE SUMMARY FOR SEPTEMBER 17 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 88 400 PM 95 1981 80 8 83  
1998  
MINIMUM 58 426 AM 24 1965 52 6 53  
AVERAGE 73 66 7 68  
 
PRECIPITATION (IN)  
TODAY 0.00 0.65 1989 0.02 -0.02 T  
MONTH TO DATE 0.21 0.21 -0.00 0.17  
SINCE OCT 1 14.50 11.29 3.21 10.99  
SINCE JAN 1 9.40 7.76 1.64 6.45  
 
DEGREE DAYS  
HEATING  
TODAY 0 3 -3 0  
MONTH TO DATE 0 28 -28 3  
SINCE SEP 1 0 28 -28 3  
SINCE JUL 1 0 41 -41 3  
 
COOLING  
TODAY 8 4 4 3  
MONTH TO DATE 137 91 46 164  
SINCE SEP 1 137 91 46 164  
SINCE JAN 1 1303 1006 297 1348    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 6.6  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 41 800 AM  
LOWEST 16 200 PM  
AVERAGE 29  
   
......................................................
 
 
THE BOISE ID CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 98 1875  
MINIMUM TEMPERATURE (F) 52 27 1965  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2023.....SUNRISE 726 AM MDT SUNSET 752 PM MDT  
SEPTEMBER 18 2023.....SUNRISE 727 AM MDT SUNSET 750 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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