167  
CDUS46 KOTX 210826  
CLILWS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SPOKANE WA  
126 AM PDT THU OCT 21 2021  
   
...............................
 
 
   
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR OCTOBER 20 2021
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1881 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 70 1126 AM 75 1907 61 9 61  
1927  
2014  
MINIMUM 50 346 AM 23 1949 41 9 49  
AVERAGE 60 50 10 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.57 1947 0.04 -0.04 0.00  
MONTH TO DATE 0.13 0.63 -0.50 0.37  
SINCE OCT 1 0.13 0.63 -0.50 0.37  
SINCE JAN 1 4.33 10.06 -5.73 11.48  
 
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 JAN 1 11.0 7.3 3.7 13.3  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 14 -9 10  
MONTH TO DATE 198 204 -6 95  
SINCE SEP 1 236 280 -44 124  
SINCE JUL 1 238 291 -53 126  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 1 2 -1 16  
SINCE SEP 1 98 104 -6 133  
SINCE JAN 1 1378 910 468 943    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 5.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 1100 PM  
LOWEST 34 300 PM  
AVERAGE 53  
   
......................................................
 
 
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 83 2003  
MINIMUM TEMPERATURE (F) 40 24 1949  
1984  
 
SUNRISE AND SUNSET  
OCTOBER 21 2021.......SUNRISE 714 AM PDT SUNSET 550 PM PDT  
OCTOBER 22 2021.......SUNRISE 716 AM PDT SUNSET 549 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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