179  
CDUS46 KOTX 290829  
CLILWS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SPOKANE, WA  
129 AM PDT MON MAY 29 2017  
 
   
...............................
 
 
   
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR MAY 28 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1881 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 89 506 PM 104 1934 74 15 73  
MINIMUM 53 357 AM 37 1955 50 3 45  
1918  
AVERAGE 71 62 9 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.54 1906 0.05 -0.05 0.00  
MONTH TO DATE 1.48 1.44 0.04 1.53  
SINCE OCT 1 14.62 8.88 5.74 10.27  
SINCE JAN 1 9.74 5.77 3.97 6.82  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1977 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 4.8 0.7 4.1 0.0  
SINCE JUL 1 39.2 10.5 28.7 6.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 5 -5 6  
MONTH TO DATE 210 207 3 121  
SINCE MAR 1 1207 1232 -25 901  
SINCE JUL 1 5243 5087 156 4165  
 
COOLING  
YESTERDAY 6 2 4 0  
MONTH TO DATE 26 26 0 33  
SINCE MAR 1 26 28 -2 40  
SINCE JAN 1 26 28 -2 40    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 5.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 600 AM  
LOWEST 17 400 PM  
AVERAGE 45  
   
......................................................
 
 
 
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 100 1983  
1897  
MINIMUM TEMPERATURE (F) 50 35 1951  
 
 
SUNRISE AND SUNSET  
MAY 29 2017...........SUNRISE 501 AM PDT SUNSET 831 PM PDT  
MAY 30 2017...........SUNRISE 500 AM PDT SUNSET 831 PM PDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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