427  
CDUS45 KBOI 190122  
CLITWF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
622 PM MST MON DEC 18 2023  
   
...............................
 
 
   
..THE TWIN FALLS ID CLIMATE SUMMARY FOR DECEMBER 18 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 39 405 PM 48 2018 36 3 21  
MINIMUM 25 724 AM 0 2008 20 5 1  
AVERAGE 32 28 4 11  
 
PRECIPITATION (IN)  
TODAY T 0.38 2010 0.05 -0.05 0.00  
MONTH TO DATE 0.71 0.74 -0.03 0.39  
SINCE OCT 1 2.37 2.33 0.04 1.78  
SINCE JAN 1 8.32 9.79 -1.47 6.56  
 
DEGREE DAYS  
HEATING  
TODAY 33 37 -4 54  
MONTH TO DATE 559 649 -90 696  
SINCE DEC 1 559 649 -90 696  
SINCE JUL 1 1901 2167 -266 2121  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 722 616 106 1001    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 7.4  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 800 AM  
LOWEST 69 1200 PM  
AVERAGE 79  
   
......................................................
 
 
THE TWIN FALLS ID CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 52 2017  
MINIMUM TEMPERATURE (F) 20 3 2016  
 
SUNRISE AND SUNSET  
DECEMBER 18 2023......SUNRISE 802 AM MST SUNSET 507 PM MST  
DECEMBER 19 2023......SUNRISE 803 AM MST SUNSET 507 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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