032  
CDUS46 KOTX 210832  
CLILWS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SPOKANE WA  
132 AM PDT THU MAY 21 2026  
   
...............................
 
 
   
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR MAY 20 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 74 340 PM 95 2023 73 1 65  
MINIMUM 49 534 AM 37 1927 49 0 49  
AVERAGE 62 61 1 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.96 2020 0.05 -0.05 T  
MONTH TO DATE 0.20 1.06 -0.86 0.51  
SINCE OCT 1 11.26 9.41 1.85 8.78  
SINCE JAN 1 7.89 5.97 1.92 5.01  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1975 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 0.0 0.8 -0.8 0.0  
SINCE JUL 1 0.1 12.7 -12.6 11.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 5 -2 8  
MONTH TO DATE 75 143 -68 119  
SINCE MAR 1 1004 1158 -154 969  
SINCE JUL 1 4130 4875 -745 4510  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 14 16 -2 8  
SINCE MAR 1 14 18 -4 9  
SINCE JAN 1 14 18 -4 9    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 600 AM  
LOWEST 26 500 PM  
AVERAGE 50  
   
......................................................
 
 
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 97 1928  
MINIMUM TEMPERATURE (F) 50 35 1960  
1971  
2010  
 
SUNRISE AND SUNSET  
MAY 21 2026...........SUNRISE 508 AM PDT SUNSET 822 PM PDT  
MAY 22 2026...........SUNRISE 507 AM PDT SUNSET 823 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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