541  
CDUS46 KOTX 280832  
CLILWS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SPOKANE, WA  
132 AM PDT SUN MAY 28 2017  
 
   
...............................
 
 
   
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR MAY 27 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 83 521 PM 99 1936 74 9 68  
1934  
MINIMUM 50 413 AM 35 1918 50 0 48  
AVERAGE 67 62 5 58  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.07 1946 0.06 -0.06 T  
MONTH TO DATE 1.48 1.39 0.09 1.53  
SINCE OCT 1 14.62 8.83 5.79 10.27  
SINCE JAN 1 9.74 5.72 4.02 6.82  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1911 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 7  
MONTH TO DATE 210 202 8 115  
SINCE MAR 1 1207 1227 -20 895  
SINCE JUL 1 5243 5082 161 4159  
 
COOLING  
YESTERDAY 2 1 1 0  
MONTH TO DATE 20 24 -4 33  
SINCE MAR 1 20 26 -6 40  
SINCE JAN 1 20 26 -6 40    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 3.4  
 
 
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 77 500 AM  
LOWEST 23 400 PM  
AVERAGE 50  
   
......................................................
 
 
 
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 104 1934  
MINIMUM TEMPERATURE (F) 50 37 1955  
1918  
 
 
SUNRISE AND SUNSET  
MAY 28 2017...........SUNRISE 502 AM PDT SUNSET 830 PM PDT  
MAY 29 2017...........SUNRISE 501 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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