147  
CDUS46 KOTX 132331  
CLILWS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SPOKANE WA  
431 PM PDT WED SEP 13 2023  
   
...............................
 
 
   
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 13 2023
 
 
VALID AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 82 250 PM 99 1937 81 1 82  
MINIMUM 58 525 AM 33 1921 53 5 57  
1970  
AVERAGE 70 67 3 70  
 
PRECIPITATION (IN)  
TODAY 0.00 0.52 1899 0.02 -0.02 0.00  
MONTH TO DATE 0.16 0.24 -0.08 0.03  
SINCE OCT 1 10.05 12.51 -2.46 14.24  
SINCE JAN 1 5.52 9.07 -3.55 9.82  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 0 2 -2 0  
MONTH TO DATE 0 17 -17 0  
SINCE SEP 1 0 17 -17 0  
SINCE JUL 1 1 28 -27 0  
 
COOLING  
TODAY 5 4 1 5  
MONTH TO DATE 89 67 22 108  
SINCE SEP 1 89 67 22 108  
SINCE JAN 1 1273 873 400 1109    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 4.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 55  
LOWEST 29  
AVERAGE 42  
   
......................................................
 
 
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 100 1937  
MINIMUM TEMPERATURE (F) 53 32 1970  
 
SUNRISE AND SUNSET  
SEPTEMBER 13 2023.....SUNRISE 623 AM PDT SUNSET 704 PM PDT  
SEPTEMBER 14 2023.....SUNRISE 625 AM PDT SUNSET 702 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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