156  
CDUS46 KOTX 220836  
CLILWS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SPOKANE WA  
136 AM PDT THU MAY 22 2025  
   
...............................
 
 
   
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR MAY 21 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1881 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 72 358 PM 97 1928 74 -2 70  
MINIMUM 47 418 AM 35 1960 50 -3 44  
1971  
2010  
AVERAGE 60 62 -2 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.85 1932 0.06 -0.06 0.09  
MONTH TO DATE 0.51 1.12 -0.61 0.69  
SINCE OCT 1 8.78 9.47 -0.69 9.84  
SINCE JAN 1 5.01 6.03 -1.02 5.43  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1960 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 T  
SINCE JUL 1 11.6 12.7 -1.1 13.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 5 0 8  
MONTH TO DATE 124 148 -24 130  
SINCE MAR 1 974 1163 -189 1066  
SINCE JUL 1 4515 4880 -365 4496  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 8 17 -9 18  
SINCE MAR 1 9 19 -10 18  
SINCE JAN 1 9 19 -10 18    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 4.2  
 
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 68 500 AM  
LOWEST 24 500 PM  
AVERAGE 46  
   
......................................................
 
 
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 97 1940  
MINIMUM TEMPERATURE (F) 50 32 1960  
 
SUNRISE AND SUNSET  
MAY 22 2025...........SUNRISE 507 AM PDT SUNSET 823 PM PDT  
MAY 23 2025...........SUNRISE 506 AM PDT SUNSET 824 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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