Weather Service Report


105 
CDUS46 KOTX 210833
CLILWS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE, WA                                 
133 AM PDT MON SEP 21 2020


................................... 

...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1881 TO 2020


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         78    256 PM 102    1939  76      2       68       
  MINIMUM         53    516 AM  34    1983  50      3       52       
  AVERAGE         66                        63      3       60      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.53 1969   0.02  -0.02      T      
  MONTH TO DATE    0.21                      0.43  -0.22     0.52    
  SINCE OCT 1     13.93                     12.07   1.86    13.17    
  SINCE JAN 1     11.04                      8.96   2.08     9.95    
                                                                     
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        0                         4     -4        5       
  MONTH TO DATE    9                        43    -34       21       
  SINCE SEP 1      9                        43    -34       21       
  SINCE JUL 1     11                        58    -47       21       
                                                                     
 COOLING                                                             
  YESTERDAY        1                         2     -1        0       
  MONTH TO DATE  100                        75     25      101       
  SINCE SEP 1    100                        75     25      101       
  SINCE JAN 1    908                       792    116      956       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION     N (20)       
  HIGHEST GUST SPEED    10   HIGHEST GUST DIRECTION    NW (320)      
  AVERAGE WIND SPEED     3.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           500 AM                                     
 LOWEST     32           300 PM                                     
 AVERAGE    63                                                       

..........................................................

                                                                     
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   76       101      1967                    
 MINIMUM TEMPERATURE (F)   49        29      1895                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 21 2020.....SUNRISE   634 AM PDT   SUNSET   646 PM PDT   
SEPTEMBER 22 2020.....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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Western Regional Climate Center, wrcc@dri.edu