989  
CDUS45 KBOI 290937  
CLITWF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
337 AM MDT FRI SEP 29 2023  
   
...............................
 
 
   
..THE TWIN FALLS ID CLIMATE SUMMARY FOR SEPTEMBER 28 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 66 405 PM 92 2009 71 -5 86  
MINIMUM 45 804 PM 24 1999 43 2 57  
AVERAGE 56 57 -1 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.21 2019 0.02 -0.02 T  
MONTH TO DATE 0.51 0.49 0.02 0.20  
SINCE OCT 1 8.12 10.24 -2.12 8.98  
SINCE JAN 1 5.95 7.42 -1.47 4.78  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 9 0 0  
MONTH TO DATE 75 133 -58 42  
SINCE SEP 1 75 133 -58 42  
SINCE JUL 1 77 160 -83 42  
 
COOLING  
YESTERDAY 0 0 0 7  
MONTH TO DATE 41 53 -12 116  
SINCE SEP 1 41 53 -12 116  
SINCE JAN 1 722 613 109 1001    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 65 700 PM  
LOWEST 26 400 PM  
AVERAGE 46  
   
......................................................
 
 
THE TWIN FALLS ID CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 87 2015  
MINIMUM TEMPERATURE (F) 43 27 1999  
 
SUNRISE AND SUNSET  
SEPTEMBER 29 2023.....SUNRISE 733 AM MDT SUNSET 723 PM MDT  
SEPTEMBER 30 2023.....SUNRISE 734 AM MDT SUNSET 721 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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