072  
CDUS46 KOTX 230435  
CLILWS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SPOKANE, WA  
935 PM PDT FRI SEP 22 2017  
 
   
...............................
 
 
   
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 22 2017
 
 
VALID TODAY AS OF 0800 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 63 311 PM 99 1966 76 -13 66  
MINIMUM 37 604 AM 34 1955 49 -12 53  
AVERAGE 50 62 -12 60  
 
PRECIPITATION (IN)  
TODAY 0.00 0.57 1926 0.02 -0.02 0.00  
MONTH TO DATE 0.52 0.48 0.04 0.51  
SINCE OCT 1 15.80 12.12 3.68 13.60  
SINCE JAN 1 10.92 9.01 1.91 10.15  
 
DEGREE DAYS  
HEATING  
TODAY 15 5 10 5  
MONTH TO DATE 74 52 22 55  
SINCE SEP 1 74 52 22 55  
SINCE JUL 1 74 67 7 66  
 
COOLING  
TODAY 0 2 -2 0  
MONTH TO DATE 136 79 57 19  
SINCE SEP 1 136 79 57 19  
SINCE JAN 1 1155 796 359 835    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 2.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 400 AM  
LOWEST 43 300 PM  
AVERAGE 72  
   
......................................................
 
 
 
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 97 2001  
MINIMUM TEMPERATURE (F) 49 31 2000  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 22 2017.....SUNRISE 635 AM PDT SUNSET 645 PM PDT  
SEPTEMBER 23 2017.....SUNRISE 637 AM PDT SUNSET 643 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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