009  
CDUS46 KOTX 180841  
CLILWS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SPOKANE WA  
141 AM PDT MON SEP 18 2023  
   
...............................
 
 
   
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1881 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 91 228 PM 101 1938 79 12 79  
MINIMUM 57 543 AM 28 1965 52 5 48  
AVERAGE 74 66 8 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.54 1947 0.02 -0.02 0.05  
MONTH TO DATE 0.16 0.31 -0.15 0.18  
SINCE OCT 1 10.05 12.58 -2.53 14.39  
SINCE JAN 1 5.52 9.14 -3.62 9.97  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 1998 0.0 0.0 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 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 1  
MONTH TO DATE 0 25 -25 1  
SINCE SEP 1 0 25 -25 1  
SINCE JUL 1 1 36 -35 1  
 
COOLING  
YESTERDAY 9 3 6 0  
MONTH TO DATE 122 80 42 111  
SINCE SEP 1 122 80 42 111  
SINCE JAN 1 1306 886 420 1112    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 5.5  
 
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 42 500 AM  
LOWEST 8 700 PM  
AVERAGE 25  
   
......................................................
 
 
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 101 1938  
MINIMUM TEMPERATURE (F) 52 35 1965  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2023.....SUNRISE 630 AM PDT SUNSET 654 PM PDT  
SEPTEMBER 19 2023.....SUNRISE 631 AM PDT SUNSET 652 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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