297  
CDUS45 KBOI 230930  
CLIBOI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
330 AM MDT SAT SEP 23 2023  
   
...............................
 
 
   
..THE BOISE ID CLIMATE SUMMARY FOR SEPTEMBER 22 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 70 421 PM 99 1966 77 -7 70  
MINIMUM 48 702 AM 29 1895 51 -3 55  
AVERAGE 59 64 -5 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.51 1917 0.02 -0.01 T  
MONTH TO DATE 0.22 0.29 -0.07 0.24  
SINCE OCT 1 14.51 11.37 3.14 11.06  
SINCE JAN 1 9.41 7.84 1.57 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 6 4 2 2  
MONTH TO DATE 23 44 -21 6  
SINCE SEP 1 23 44 -21 6  
SINCE JUL 1 23 57 -34 6  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 145 105 40 175  
SINCE SEP 1 145 105 40 175  
SINCE JAN 1 1311 1020 291 1359    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 800 AM  
LOWEST 25 500 PM  
AVERAGE 53  
   
......................................................
 
 
THE BOISE ID CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 94 1987  
MINIMUM TEMPERATURE (F) 50 29 1984  
 
SUNRISE AND SUNSET  
SEPTEMBER 23 2023.....SUNRISE 733 AM MDT SUNSET 741 PM MDT  
SEPTEMBER 24 2023.....SUNRISE 734 AM MDT SUNSET 739 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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