341  
CDUS46 KOTX 200830  
CLILWS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SPOKANE, WA  
1224 AM PST TUE FEB 20 2018  
 
   
...............................
 
 
   
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR FEBRUARY 19 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1881 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 29 1238 AM 64 1982 47 -18 49  
1965  
MINIMUM 14 1123 PM 3 1882 31 -17 36  
AVERAGE 22 39 -17 43  
 
PRECIPITATION (IN)  
YESTERDAY T 0.24 1949 0.03 -0.03 0.05  
MONTH TO DATE 0.67 0.52 0.15 1.03  
SINCE OCT 1 7.60 4.71 2.89 6.72  
SINCE JAN 1 2.04 1.60 0.44 1.84  
 
SNOWFALL (IN)  
YESTERDAY 0.1 3.0 1949 0.1 0.0 0.0  
MONTH TO DATE 0.3 1.6 -1.3 3.6  
SINCE DEC 1 13.3 7.5 5.8 30.0  
SINCE JUL 1 13.3 9.3 4.0 30.0  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 43 26 17 22  
MONTH TO DATE 442 513 -71 519  
SINCE DEC 1 2243 2392 -149 2833  
SINCE JUL 1 3409 3632 -223 3782  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 8.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 300 AM  
LOWEST 50 100 PM  
AVERAGE 63  
   
......................................................
 
 
 
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 48 70 1995  
MINIMUM TEMPERATURE (F) 31 14 1955  
1936  
 
 
SUNRISE AND SUNSET  
FEBRUARY 20 2018......SUNRISE 643 AM PST SUNSET 521 PM PST  
FEBRUARY 21 2018......SUNRISE 641 AM PST SUNSET 523 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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