242  
CDUS46 KOTX 100020  
CLILWS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SPOKANE WA  
520 PM PDT TUE MAY 09 2023  
   
...............................
 
 
   
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR MAY 9 2023
 
 
VALID AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 63 MM 92 1906 70 -7 57  
1940  
MINIMUM 51 MM 31 1922 46 5 38  
AVERAGE 57 58 -1 48  
 
PRECIPITATION (IN)  
TODAY 0.04 0.78 1957 0.05 -0.01 0.00  
MONTH TO DATE 0.54 0.46 0.08 0.74  
SINCE OCT 1 7.80 8.81 -1.01 9.53  
SINCE JAN 1 3.27 5.37 -2.10 5.11  
 
SNOWFALL (IN)  
TODAY 0.0 T 1973 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  
TODAY 8 8 0 17  
MONTH TO DATE 49 77 -28 97  
SINCE MAR 1 1138 1092 46 1146  
SINCE JUL 1 4868 4809 59 4702  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 11 5 6 0  
SINCE MAR 1 22 7 15 0  
SINCE JAN 1 22 7 15 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89  
LOWEST 53  
AVERAGE 71  
   
......................................................
 
 
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 95 1924  
MINIMUM TEMPERATURE (F) 47 30 1894  
1895  
 
SUNRISE AND SUNSET  
MAY 9 2023...........SUNRISE 523 AM PDT SUNSET 807 PM PDT  
MAY 10 2023...........SUNRISE 521 AM PDT SUNSET 809 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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