896  
CDUS45 KBOI 220939  
CLIBOI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
339 AM MDT FRI SEP 22 2023  
   
...............................
 
 
   
..THE BOISE ID CLIMATE SUMMARY FOR SEPTEMBER 21 2023
 
 
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)  
YESTERDAY  
MAXIMUM 66 336 PM 95 1967 78 -12 74  
MINIMUM 43 705 AM 30 1993 51 -8 53  
AVERAGE 55 64 -9 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.29 1913 0.02 -0.02 0.07  
MONTH TO DATE 0.21 0.27 -0.06 0.24  
SINCE OCT 1 14.50 11.35 3.15 11.06  
SINCE JAN 1 9.40 7.82 1.58 6.52  
 
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 10 3 7 1  
MONTH TO DATE 17 40 -23 4  
SINCE SEP 1 17 40 -23 4  
SINCE JUL 1 17 53 -36 4  
 
COOLING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 145 103 42 175  
SINCE SEP 1 145 103 42 175  
SINCE JAN 1 1311 1018 293 1359    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 200 AM  
LOWEST 31 500 PM  
AVERAGE 51  
   
......................................................
 
 
THE BOISE ID CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 99 1966  
MINIMUM TEMPERATURE (F) 51 29 1895  
 
SUNRISE AND SUNSET  
SEPTEMBER 22 2023.....SUNRISE 732 AM MDT SUNSET 742 PM MDT  
SEPTEMBER 23 2023.....SUNRISE 733 AM MDT SUNSET 741 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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