278  
CDUS45 KBOI 190934  
CLIBOI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
334 AM MDT TUE MAY 19 2026  
   
...............................
 
 
   
..THE BOISE ID CLIMATE SUMMARY FOR MAY 18 2026
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1875 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 69 424 PM 95 2009 73 -4 61  
MINIMUM 41 547 AM 30 1971 48 -7 43  
AVERAGE 55 61 -6 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.75 1957 0.05 -0.05 0.02  
MONTH TO DATE T 0.85 -0.85 0.77  
SINCE OCT 1 10.90 9.35 1.55 10.68  
SINCE JAN 1 6.55 5.82 0.73 6.27  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1996 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUL 1 1.8 17.6 -15.8 13.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 6 4 13  
MONTH TO DATE 63 141 -78 114  
SINCE MAR 1 909 1179 -270 1047  
SINCE JUL 1 4154 5199 -1045 4846  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 23 16 7 26  
SINCE MAR 1 24 19 5 26  
SINCE JAN 1 24 19 5 26    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 14.0  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 57 500 AM  
LOWEST 16 400 PM  
AVERAGE 37  
   
......................................................
 
 
THE BOISE ID CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 90 1993  
2006  
2023  
MINIMUM TEMPERATURE (F) 49 28 1960  
1989  
 
SUNRISE AND SUNSET  
MAY 19 2026...........SUNRISE 616 AM MDT SUNSET 907 PM MDT  
MAY 20 2026...........SUNRISE 615 AM MDT SUNSET 908 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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