511  
CDUS46 KOTX 300844  
CLILWS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SPOKANE WA  
144 AM PDT SAT SEP 30 2023  
   
...............................
 
 
   
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 29 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 58 245 PM 88 1963 73 -15 68  
MINIMUM 46 444 AM 31 1950 48 -2 56  
1985  
AVERAGE 52 60 -8 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.13 0.60 1909 0.03 0.10 0.59  
MONTH TO DATE 0.98 0.58 0.40 1.32  
SINCE OCT 1 10.87 12.85 -1.98 15.53  
SINCE JAN 1 6.34 9.41 -3.07 11.11  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0 1998 0.0 MM 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 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 5 8 3  
MONTH TO DATE 69 71 -2 12  
SINCE SEP 1 69 71 -2 12  
SINCE JUL 1 70 82 -12 12  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 128 101 27 138  
SINCE SEP 1 128 101 27 138  
SINCE JAN 1 1312 907 405 1139    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 2.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1000 PM  
LOWEST 60 200 PM  
AVERAGE 77  
   
......................................................
 
 
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 89 1920  
1976  
MINIMUM TEMPERATURE (F) 48 30 1954  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2023.....SUNRISE 645 AM PDT SUNSET 630 PM PDT  
OCTOBER 1 2023.......SUNRISE 646 AM PDT SUNSET 628 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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