240  
CDUS46 KOTX 190856  
CLILWS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SPOKANE WA  
156 AM PDT FRI MAY 19 2023  
   
...............................
 
 
   
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR MAY 18 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 90 422 PM 97 2006 73 17 66  
MINIMUM 58 408 AM 34 1896 49 9 47  
1965  
AVERAGE 74 61 13 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.32 1991 0.05 -0.05 0.01  
MONTH TO DATE 0.55 0.95 -0.40 1.33  
SINCE OCT 1 7.81 9.30 -1.49 10.12  
SINCE JAN 1 3.28 5.86 -2.58 5.70  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 1995 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 1.2 0.8 0.4 0.6  
SINCE JUL 1 11.9 12.7 -0.8 18.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 5 -5 8  
MONTH TO DATE 59 133 -74 183  
SINCE MAR 1 1148 1148 0 1232  
SINCE JUL 1 4878 4865 13 4788  
 
COOLING  
YESTERDAY 9 1 8 0  
MONTH TO DATE 57 14 43 0  
SINCE MAR 1 68 16 52 0  
SINCE JAN 1 68 16 52 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 4.1  
 
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 83 500 AM  
LOWEST 24 600 PM  
AVERAGE 54  
   
......................................................
 
 
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 90 1928  
1929  
MINIMUM TEMPERATURE (F) 49 36 1896  
 
SUNRISE AND SUNSET  
MAY 19 2023...........SUNRISE 510 AM PDT SUNSET 819 PM PDT  
MAY 20 2023...........SUNRISE 509 AM PDT SUNSET 821 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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