424  
CDUS46 KOTX 180830  
CLILWS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SPOKANE WA  
1230 AM PST MON DEC 18 2023  
   
...............................
 
 
   
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR DECEMBER 17 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1881 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 39 939 PM 59 1937 40 -1 35  
MINIMUM 27 540 AM -11 1964 29 -2 21  
AVERAGE 33 35 -2 28  
 
PRECIPITATION (IN)  
YESTERDAY T 0.50 1917 0.04 -0.04 0.00  
MONTH TO DATE 0.85 0.61 0.24 0.52  
SINCE OCT 1 4.04 2.92 1.12 3.86  
SINCE JAN 1 10.44 12.35 -1.91 15.03  
 
SNOWFALL (IN)  
YESTERDAY T 1.9 1984 0.1 -0.1 0.0  
MONTH TO DATE 0.5 2.1 -1.6 1.1  
SINCE DEC 1 0.5 2.1 -1.6 1.1  
SINCE JUL 1 0.5 3.4 -2.9 5.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 30 2 37  
MONTH TO DATE 397 496 -99 565  
SINCE DEC 1 397 496 -99 565  
SINCE JUL 1 1459 1677 -218 1669  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1321 912 409 1150    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 2.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 200 AM  
LOWEST 70 1000 PM  
AVERAGE 81  
   
......................................................
 
 
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 40 66 1917  
MINIMUM TEMPERATURE (F) 29 -8 1924  
 
SUNRISE AND SUNSET  
DECEMBER 18 2023......SUNRISE 727 AM PST SUNSET 403 PM PST  
DECEMBER 19 2023......SUNRISE 727 AM PST SUNSET 403 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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