114  
CDUS45 KBOI 210942  
CLIBOI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
342 AM MDT THU SEP 21 2023  
   
...............................
 
 
   
..THE BOISE ID CLIMATE SUMMARY FOR SEPTEMBER 20 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 71 306 PM 94 1922 78 -7 86  
MINIMUM 47 711 AM 32 1924 51 -4 56  
AVERAGE 59 65 -6 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.90 2008 0.01 -0.01 0.00  
MONTH TO DATE 0.21 0.25 -0.04 0.17  
SINCE OCT 1 14.50 11.33 3.17 10.99  
SINCE JAN 1 9.40 7.80 1.60 6.45  
 
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 6 3 3 0  
MONTH TO DATE 7 37 -30 3  
SINCE SEP 1 7 37 -30 3  
SINCE JUL 1 7 50 -43 3  
 
COOLING  
YESTERDAY 0 3 -3 6  
MONTH TO DATE 145 100 45 175  
SINCE SEP 1 145 100 45 175  
SINCE JAN 1 1311 1015 296 1359    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 11.2  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 56 1100 PM  
LOWEST 24 100 PM  
AVERAGE 40  
   
......................................................
 
 
THE BOISE ID CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 95 1967  
MINIMUM TEMPERATURE (F) 51 30 1993  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2023.....SUNRISE 731 AM MDT SUNSET 744 PM MDT  
SEPTEMBER 22 2023.....SUNRISE 732 AM MDT SUNSET 742 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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