081  
CDUS45 KBOI 180934  
CLIBOI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
334 AM MDT THU MAY 18 2023  
   
...............................
 
 
   
..THE BOISE ID CLIMATE SUMMARY FOR MAY 17 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1875 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 82 432 PM 94 2008 73 9 74  
MINIMUM 56 548 AM 30 1942 48 8 48  
AVERAGE 69 60 9 61  
 
PRECIPITATION (IN)  
YESTERDAY T 0.85 1915 0.05 -0.05 0.00  
MONTH TO DATE 1.25 0.80 0.45 1.61  
SINCE OCT 1 10.63 9.30 1.33 8.85  
SINCE JAN 1 5.53 5.77 -0.24 4.31  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2007 0.0 0.0 0.0  
MONTH TO DATE T 0.0 0.0 0.5  
SINCE JUL 1 31.2 17.6 13.6 22.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 6 -6 4  
MONTH TO DATE 80 135 -55 187  
SINCE MAR 1 1342 1173 169 1325  
SINCE JUL 1 5430 5193 237 5262  
 
COOLING  
YESTERDAY 4 2 2 0  
MONTH TO DATE 24 14 10 4  
SINCE MAR 1 33 17 16 4  
SINCE JAN 1 33 17 16 4    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 500 AM  
LOWEST 27 500 PM  
AVERAGE 52  
   
......................................................
 
 
THE BOISE ID CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 95 2009  
MINIMUM TEMPERATURE (F) 48 30 1971  
 
SUNRISE AND SUNSET  
MAY 18 2023...........SUNRISE 617 AM MDT SUNSET 906 PM MDT  
MAY 19 2023...........SUNRISE 616 AM MDT SUNSET 907 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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