884  
CDUS45 KBOI 190120  
CLIBOI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
720 PM MDT THU MAY 18 2023  
   
...............................
 
 
   
..THE BOISE ID CLIMATE SUMMARY FOR MAY 18 2023
 
 
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 84 424 PM 95 2009 73 11 76  
MINIMUM 57 602 AM 30 1971 48 9 46  
AVERAGE 71 61 10 61  
 
PRECIPITATION (IN)  
TODAY 0.00 0.75 1957 0.05 -0.05 T  
MONTH TO DATE 1.25 0.85 0.40 1.61  
SINCE OCT 1 10.63 9.35 1.28 8.85  
SINCE JAN 1 5.53 5.82 -0.29 4.31  
 
DEGREE DAYS  
HEATING  
TODAY 0 6 -6 4  
MONTH TO DATE 80 141 -61 191  
SINCE MAR 1 1342 1179 163 1329  
SINCE JUL 1 5430 5199 231 5266  
 
COOLING  
TODAY 6 2 4 0  
MONTH TO DATE 30 16 14 4  
SINCE MAR 1 39 19 20 4  
SINCE JAN 1 39 19 20 4    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 6.6  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 500 AM  
LOWEST 28 400 PM  
AVERAGE 49  
   
......................................................
 
 
THE BOISE ID CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 90 1954  
1993  
2006  
MINIMUM TEMPERATURE (F) 49 28 1960  
1989  
 
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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