336  
CDUS45 KBOI 200937  
CLIBOI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
237 AM MST WED DEC 20 2023  
   
...............................
 
 
   
..THE BOISE ID CLIMATE SUMMARY FOR DECEMBER 19 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 43 339 PM 60 1917 38 5 22  
MINIMUM 31 814 AM -6 1984 25 6 6  
AVERAGE 37 31 6 14  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.58 2010 0.05 -0.03 0.00  
MONTH TO DATE 1.40 0.94 0.46 1.25  
SINCE OCT 1 3.83 2.93 0.90 4.35  
SINCE JAN 1 13.47 10.91 2.56 10.87  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.2 1990 0.2 -0.2 0.0  
MONTH TO DATE 2.7 3.1 -0.4 8.0  
SINCE JUL 1 2.8 5.2 -2.4 11.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 34 -6 51  
MONTH TO DATE 518 611 -93 693  
SINCE DEC 1 518 611 -93 693  
SINCE JUL 1 1505 1823 -318 1883  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1342 1044 298 1401    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 4.7  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LT FREEZING RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1200 AM  
LOWEST 70 300 PM  
AVERAGE 83  
   
......................................................
 
 
THE BOISE ID CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 57 1900  
1964  
MINIMUM TEMPERATURE (F) 25 -8 1990  
 
SUNRISE AND SUNSET  
DECEMBER 20 2023......SUNRISE 814 AM MST SUNSET 511 PM MST  
DECEMBER 21 2023......SUNRISE 815 AM MST SUNSET 511 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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