160  
CDUS46 KOTX 160125  
CLILWS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SPOKANE, WA  
624 PM PDT THU MAY 15 2008  
 
...................................  
   
..THE LEWISTON AIRPORT CLIMATE SUMMARY FOR MAY 15 2008
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1971 TO 2000  
CLIMATE RECORD PERIOD 1881 TO 2008  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 82 329 PM 100 1939 70 12 87  
MINIMUM 50 428 AM 35 1943 47 3 45  
AVERAGE 66 58 8 66  
 
PRECIPITATION (IN)  
TODAY 0.00 0.65 1900 0.05 -0.05 0.00  
MONTH TO DATE 0.23 0.76 -0.53 0.24  
SINCE OCT 1 5.74 8.50 -2.76 6.59  
SINCE JAN 1 2.65 5.28 -2.63 2.80  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 1995 0.0 0.0 0.0  
MONTH TO DATE 0.0 T 0.0 0.0  
SINCE MAR 1 T 0.8 -0.8 T  
SINCE JUL 1 13.5 12.5 1.0 6.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 7 -7 0  
MONTH TO DATE 133 129 4 90  
SINCE MAR 1 1362 1156 206 987  
SINCE JUL 1 5154 5060 94 4833  
 
COOLING  
TODAY 1 1 0 1  
MONTH TO DATE 1 10 -9 14  
SINCE MAR 1 1 13 -12 14  
SINCE JAN 1 1 13 -12 14    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 2.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 500 AM  
LOWEST 30 300 PM  
AVERAGE 60  
 
..........................................................  
 
 
THE LEWISTON AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 96 2006  
MINIMUM TEMPERATURE (F) 47 34 1983  
 
 
SUNRISE AND SUNSET  
MAY 15 2008...........SUNRISE 514 AM PDT SUNSET 815 PM PDT  
MAY 16 2008...........SUNRISE 513 AM PDT SUNSET 817 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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