700  
CDUS45 KBOI 160120  
CLITWF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
720 PM MDT FRI SEP 15 2023  
   
...............................
 
 
   
..THE TWIN FALLS ID CLIMATE SUMMARY FOR SEPTEMBER 15 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 82 416 PM 93 2002 77 5 77  
MINIMUM 43 610 AM 40 2016 47 -4 48  
AVERAGE 63 62 1 63  
 
PRECIPITATION (IN)  
TODAY 0.00 0.23 2015 0.01 -0.01 0.01  
MONTH TO DATE 0.41 0.21 0.20 0.01  
SINCE OCT 1 8.02 9.96 -1.94 8.79  
SINCE JAN 1 5.85 7.14 -1.29 4.59  
 
DEGREE DAYS  
HEATING  
TODAY 2 4 -2 2  
MONTH TO DATE 10 47 -37 13  
SINCE SEP 1 10 47 -37 13  
SINCE JUL 1 12 74 -62 13  
 
COOLING  
TODAY 0 2 -2 0  
MONTH TO DATE 33 41 -8 104  
SINCE SEP 1 33 41 -8 104  
SINCE JAN 1 714 601 113 989    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 7.7  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 600 AM  
LOWEST 15 300 PM  
AVERAGE 47  
   
......................................................
 
 
THE TWIN FALLS ID CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 90 2014  
MINIMUM TEMPERATURE (F) 47 37 2006  
 
SUNRISE AND SUNSET  
SEPTEMBER 15 2023.....SUNRISE 718 AM MDT SUNSET 748 PM MDT  
SEPTEMBER 16 2023.....SUNRISE 719 AM MDT SUNSET 746 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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