190  
CDUS46 KBOI 180933  
CLIBNO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
333 AM MDT SAT SEP 18 2021  
   
...............................
 
 
   
..THE BURNS OR CLIMATE SUMMARY FOR SEPTEMBER 17 2021
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1938 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 87 340 PM 93 1981 78 9 83  
MINIMUM 30 539 AM 23 1965 37 -7 36  
2018  
AVERAGE 59 58 1 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.60 1989 0.01 -0.01 0.00  
MONTH TO DATE 0.42 0.19 0.23 0.00  
SINCE OCT 1 8.26 10.22 -1.96 7.73  
SINCE JAN 1 6.18 6.91 -0.73 5.55  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 8 -2 5  
MONTH TO DATE 94 99 -5 53  
SINCE SEP 1 94 99 -5 53  
SINCE JUL 1 160 191 -31 98  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 11 13 -2 27  
SINCE SEP 1 11 13 -2 27  
SINCE JAN 1 609 299 310 369    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 63 600 AM  
LOWEST 12 400 PM  
AVERAGE 38  
   
......................................................
 
 
THE BURNS OR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 89 1981  
MINIMUM TEMPERATURE (F) 37 21 1988  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2021.....SUNRISE 639 AM PDT SUNSET 700 PM PDT  
SEPTEMBER 19 2021.....SUNRISE 640 AM PDT SUNSET 658 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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