306  
CDUS45 KBOI 210121  
CLITWF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
721 PM MDT WED SEP 20 2023  
   
...............................
 
 
   
..THE TWIN FALLS ID CLIMATE SUMMARY FOR SEPTEMBER 20 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 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)  
TODAY 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  
TODAY 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  
TODAY 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 18 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 9.5  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 51 500 AM  
LOWEST 22 400 PM  
AVERAGE 37  
   
......................................................
 
 
THE TWIN FALLS ID CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 86 2012  
MINIMUM TEMPERATURE (F) 46 32 2021  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2023.....SUNRISE 723 AM MDT SUNSET 739 PM MDT  
SEPTEMBER 21 2023.....SUNRISE 724 AM MDT SUNSET 737 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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