228  
CDUS45 KBOI 200942  
CLITWF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
342 AM MDT TUE MAY 20 2025  
   
...............................  
 
   
..THE TWIN FALLS ID CLIMATE SUMMARY FOR MAY 19 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1997 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 63 416 PM 88 2008 70 -7 61  
MINIMUM 35 533 AM 26 2003 43 -8 41  
AVERAGE 49 56 -7 51  
 
PRECIPITATION (IN)  
YESTERDAY T 0.54 2019 0.05 -0.05 0.00  
MONTH TO DATE 0.55 0.89 -0.34 0.64  
SINCE OCT 1 6.13 7.45 -1.32 6.53  
SINCE JAN 1 3.34 4.63 -1.29 4.08  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 9 7 14  
MONTH TO DATE 174 220 -46 228  
SINCE MAR 1 1305 1521 -216 1485  
SINCE JUL 1 5500 6186 -686 5541  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 16 2 14 2  
SINCE MAR 1 16 2 14 2  
SINCE JAN 1 16 2 14 2    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 16.2  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 66 500 AM  
LOWEST 18 400 PM  
AVERAGE 42  
   
......................................................  
 
THE TWIN FALLS ID CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 91 2008  
MINIMUM TEMPERATURE (F) 43 27 2003  
 
SUNRISE AND SUNSET  
MAY 20 2025...........SUNRISE 611 AM MDT SUNSET 858 PM MDT  
MAY 21 2025...........SUNRISE 610 AM MDT SUNSET 859 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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