113  
CDUS45 KBOI 210942  
CLITWF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
342 AM MDT THU SEP 21 2023  
   
...............................
 
 
   
..THE TWIN FALLS ID CLIMATE SUMMARY FOR SEPTEMBER 20 2023
 
 
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)  
YESTERDAY  
MAXIMUM 70 431 PM 86 2013 75 -5 86  
2022  
MINIMUM 45 630 AM 35 2013 46 -1 45  
AVERAGE 58 60 -2 66  
 
PRECIPITATION (IN)  
YESTERDAY T 0.17 2017 0.02 -0.02 T  
MONTH TO DATE 0.41 0.31 0.10 0.05  
SINCE OCT 1 8.02 10.06 -2.04 8.83  
SINCE JAN 1 5.85 7.24 -1.39 4.63  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 6 1 0  
MONTH TO DATE 17 74 -57 24  
SINCE SEP 1 17 74 -57 24  
SINCE JUL 1 19 101 -82 24  
 
COOLING  
YESTERDAY 0 1 -1 1  
MONTH TO DATE 41 46 -5 105  
SINCE SEP 1 41 46 -5 105  
SINCE JAN 1 722 606 116 990    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 10.7  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 51 500 AM  
LOWEST 22 400 PM  
AVERAGE 37  
   
......................................................
 
 
THE TWIN FALLS ID CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 86 2012  
MINIMUM TEMPERATURE (F) 46 32 2021  
 
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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