627  
CDUS46 KOTX 190837  
CLILWS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SPOKANE WA  
137 AM PDT FRI JUN 19 2026  
   
...............................  
 
   
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR JUNE 18 2026  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1881 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 86 417 PM 107 1940 79 7 88  
MINIMUM 53 400 AM 39 1954 54 -1 57  
AVERAGE 70 67 3 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.46 1916 0.04 -0.04 0.00  
1943  
MONTH TO DATE 0.20 0.85 -0.65 0.03  
SINCE OCT 1 12.03 10.89 1.14 8.81  
SINCE JAN 1 8.66 7.45 1.21 5.04  
 
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 JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.1 12.7 -12.6 11.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 21 47 -26 4  
SINCE JUN 1 21 47 -26 4  
SINCE JUL 1 4180 4966 -786 4529  
 
COOLING  
YESTERDAY 5 4 1 8  
MONTH TO DATE 42 45 -3 125  
SINCE JUN 1 42 45 -3 125  
SINCE JAN 1 77 81 -4 177    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 3.6  
 
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 59 500 AM  
LOWEST 20 100 PM  
AVERAGE 40  
   
......................................................  
 
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 107 1940  
MINIMUM TEMPERATURE (F) 54 43 1953  
 
SUNRISE AND SUNSET  
JUNE 19 2026..........SUNRISE 455 AM PDT SUNSET 844 PM PDT  
JUNE 20 2026..........SUNRISE 456 AM PDT SUNSET 844 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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