901  
CDUS45 KBOI 220121  
CLITWF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
721 PM MDT THU SEP 21 2023  
   
...............................
 
 
   
..THE TWIN FALLS ID CLIMATE SUMMARY FOR SEPTEMBER 21 2023
 
 
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1997 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 63 335 PM 86 2012 74 -11 80  
MINIMUM 39 758 AM 32 2021 46 -7 43  
AVERAGE 51 60 -9 62  
 
PRECIPITATION (IN)  
TODAY T 0.25 2017 0.02 -0.02 0.15  
MONTH TO DATE 0.41 0.33 0.08 0.20  
SINCE OCT 1 8.02 10.08 -2.06 8.98  
SINCE JAN 1 5.85 7.26 -1.41 4.78  
 
DEGREE DAYS  
HEATING  
TODAY 14 6 8 3  
MONTH TO DATE 31 80 -49 27  
SINCE SEP 1 31 80 -49 27  
SINCE JUL 1 33 107 -74 27  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 41 47 -6 105  
SINCE SEP 1 41 47 -6 105  
SINCE JAN 1 722 607 115 990    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 8.9  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 800 AM  
LOWEST 38 300 PM  
AVERAGE 60  
   
......................................................
 
 
THE TWIN FALLS ID CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 87 2012  
MINIMUM TEMPERATURE (F) 45 36 2017  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2023.....SUNRISE 724 AM MDT SUNSET 737 PM MDT  
SEPTEMBER 22 2023.....SUNRISE 725 AM MDT SUNSET 735 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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