843  
CDUS46 KOTX 232350  
CLILWS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE  
450 PM PDT WED SEP 23 2020  
   
...............................
 
 
   
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 23 2020
 
 
VALID AS OF 0450 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1881 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 82 259 PM 97 2001 75 7 75  
MINIMUM 57 453 AM 31 2000 49 8 56  
AVERAGE 70 62 8 66  
 
PRECIPITATION (IN)  
TODAY 0.00 1.42 1917 0.03 -0.03 T  
MONTH TO DATE 0.21 0.51 -0.30 0.61  
SINCE OCT 1 13.93 12.15 1.78 13.26  
SINCE JAN 1 11.04 9.04 2.00 10.04  
 
SNOWFALL (IN)  
TODAY MM T 1926 0.0 MM 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 5 -5 0  
MONTH TO DATE 9 57 -48 21  
SINCE SEP 1 9 57 -48 21  
SINCE JUL 1 11 72 -61 21  
 
COOLING  
TODAY 5 2 3 1  
MONTH TO DATE 112 81 31 106  
SINCE SEP 1 112 81 31 106  
SINCE JAN 1 922 798 124 961    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 3.5  
 
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 75  
LOWEST 27  
AVERAGE 51  
   
......................................................
 
 
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 100 2011  
MINIMUM TEMPERATURE (F) 48 27 1926  
 
SUNRISE AND SUNSET  
SEPTEMBER 23 2020.....SUNRISE 637 AM PDT SUNSET 642 PM PDT  
SEPTEMBER 24 2020.....SUNRISE 638 AM PDT SUNSET 640 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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