530  
CDUS46 KOTX 220839  
CLILWS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SPOKANE WA  
139 AM PDT FRI SEP 22 2023  
   
...............................
 
 
   
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 21 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 57 416 PM 101 1967 77 -20 79  
MINIMUM 48 1127 PM 29 1895 51 -3 53  
AVERAGE 53 64 -11 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.19 0.50 1968 0.02 0.17 0.01  
MONTH TO DATE 0.66 0.40 0.26 0.19  
SINCE OCT 1 10.55 12.67 -2.12 14.40  
SINCE JAN 1 6.02 9.23 -3.21 9.98  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 1998 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 3 9 0  
MONTH TO DATE 25 37 -12 3  
SINCE SEP 1 25 37 -12 3  
SINCE JUL 1 26 48 -22 3  
 
COOLING  
YESTERDAY 0 2 -2 1  
MONTH TO DATE 126 90 36 115  
SINCE SEP 1 126 90 36 115  
SINCE JAN 1 1310 896 414 1116    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 3.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 100 AM  
LOWEST 77 1200 PM  
AVERAGE 85  
   
......................................................
 
 
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 99 1966  
MINIMUM TEMPERATURE (F) 50 34 1955  
 
SUNRISE AND SUNSET  
SEPTEMBER 22 2023.....SUNRISE 635 AM PDT SUNSET 646 PM PDT  
SEPTEMBER 23 2023.....SUNRISE 636 AM PDT SUNSET 644 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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