950  
CDUS45 KBOI 180930  
CLITWF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
330 AM MDT FRI SEP 18 2020  
   
...............................
 
 
   
..THE TWIN FALLS ID CLIMATE SUMMARY FOR SEPTEMBER 17 2020
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1997 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 88 226 PM 92 1998 77 11 66  
MINIMUM 51 511 AM 30 2017 47 4 41  
AVERAGE 70 62 8 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.14 2002 0.02 -0.02 T  
MONTH TO DATE 0.01 0.28 -0.27 0.58  
SINCE OCT 1 7.59 10.41 -2.82 11.95  
SINCE JAN 1 5.76 7.16 -1.40 8.76  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 5 -5 11  
MONTH TO DATE 36 51 -15 50  
SINCE SEP 1 36 51 -15 50  
SINCE JUL 1 49 72 -23 54  
 
COOLING  
YESTERDAY 5 1 4 0  
MONTH TO DATE 86 51 35 70  
SINCE SEP 1 86 51 35 70  
SINCE JAN 1 746 668 78 612    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 56 500 AM  
LOWEST 15 1000 PM  
AVERAGE 36  
   
......................................................
 
 
THE TWIN FALLS ID CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 87 2009  
MINIMUM TEMPERATURE (F) 47 31 2003  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2020.....SUNRISE 722 AM MDT SUNSET 741 PM MDT  
SEPTEMBER 19 2020.....SUNRISE 723 AM MDT SUNSET 739 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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