887  
CDUS46 KOTX 180823  
CLILWS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SPOKANE WA  
123 AM PDT THU MAY 18 2023  
   
...............................
 
 
   
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR MAY 17 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 80 519 PM 97 2006 73 7 68  
MINIMUM 54 424 AM 34 1896 49 5 46  
AVERAGE 67 61 6 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.75 1996 0.06 -0.06 0.00  
MONTH TO DATE 0.55 0.90 -0.35 1.32  
SINCE OCT 1 7.81 9.25 -1.44 10.11  
SINCE JAN 1 3.28 5.81 -2.53 5.69  
 
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 6 -6 8  
MONTH TO DATE 59 128 -69 175  
SINCE MAR 1 1148 1143 5 1224  
SINCE JUL 1 4878 4860 18 4780  
 
COOLING  
YESTERDAY 2 1 1 0  
MONTH TO DATE 48 13 35 0  
SINCE MAR 1 59 15 44 0  
SINCE JAN 1 59 15 44 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 4.0  
 
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 87 300 AM  
LOWEST 39 400 PM  
AVERAGE 63  
   
......................................................
 
 
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 97 2006  
MINIMUM TEMPERATURE (F) 49 34 1896  
1965  
 
SUNRISE AND SUNSET  
MAY 18 2023...........SUNRISE 511 AM PDT SUNSET 818 PM PDT  
MAY 19 2023...........SUNRISE 510 AM PDT SUNSET 819 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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