409  
CDUS45 KBOI 140930  
CLITWF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
330 AM MDT MON SEP 14 2026  
   
...............................  
 
   
..THE TWIN FALLS ID CLIMATE SUMMARY FOR SEPTEMBER 13 2026  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1997 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 72 103 AM 89 2000 78 -6 77  
MINIMUM 49 1159 PM 32 2003 48 1 52  
AVERAGE 61 63 -2 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.81 2001 0.01 -0.01 0.00  
MONTH TO DATE 0.05 0.18 -0.13 T  
SINCE OCT 1 6.46 9.93 -3.47 6.82  
SINCE JAN 1 4.26 7.11 -2.85 4.03  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 4 0 0  
MONTH TO DATE 37 39 -2 4  
SINCE SEP 1 37 39 -2 4  
SINCE JUL 1 42 66 -24 4  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 24 37 -13 48  
SINCE SEP 1 24 37 -13 48  
SINCE JAN 1 887 597 290 813    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 14.6  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 66 600 AM  
LOWEST 20 300 AM  
AVERAGE 43  
   
......................................................  
 
THE TWIN FALLS ID CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 97 2000  
MINIMUM TEMPERATURE (F) 48 37 2003  
 
SUNRISE AND SUNSET  
SEPTEMBER 14 2026.....SUNRISE 717 AM MDT SUNSET 749 PM MDT  
SEPTEMBER 15 2026.....SUNRISE 718 AM MDT SUNSET 747 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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