129  
CDUS45 KBOI 210121  
CLIBOI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
721 PM MDT WED SEP 20 2023  
   
...............................
 
 
   
..THE BOISE ID CLIMATE SUMMARY FOR SEPTEMBER 20 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 71 306 PM 94 1922 78 -7 86  
MINIMUM 47 711 AM 32 1924 51 -4 56  
AVERAGE 59 65 -6 71  
 
PRECIPITATION (IN)  
TODAY 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  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 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 9.3  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 42 700 AM  
LOWEST 24 100 PM  
AVERAGE 33  
   
......................................................
 
 
THE BOISE ID CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 95 1967  
MINIMUM TEMPERATURE (F) 51 30 1993  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2023.....SUNRISE 730 AM MDT SUNSET 746 PM MDT  
SEPTEMBER 21 2023.....SUNRISE 731 AM MDT SUNSET 744 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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