Weather Service Report


821 
CDUS46 KSEW 190829
CLIOLM


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA                                  
128 AM PDT SAT SEP 19 2020


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

...THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 18 2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1941 TO 2020


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         68    119 PM  86    1991  71     -3       68       
  MINIMUM         59   1159 PM  31    1965  46     13       46       
  AVERAGE         64                        58      6       57      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.51          0.85 2010   0.05   0.46      T      
  MONTH TO DATE    0.68                      0.92  -0.24     2.72    
  SINCE OCT 1     46.47                     49.21  -2.74    37.66    
  SINCE JAN 1     30.03                     28.52   1.51    19.93    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        1                         7     -6        8       
  MONTH TO DATE   27                        88    -61       49       
  SINCE SEP 1     27                        88    -61       49       
  SINCE JUL 1    159                       238    -79      127       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE   19                         4     15        3       
  SINCE SEP 1     19                         4     15        3       
  SINCE JAN 1    144                       103     41       97       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION  SW (210)      
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    SW (210)      
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED     4.7                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.9                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           700 PM                                     
 LOWEST     78           300 PM                                     
 AVERAGE    89                                                       

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

                                                                     
THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   71        86      1999                    
 MINIMUM TEMPERATURE (F)   45        30      1983                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 19 2020.....SUNRISE   655 AM PDT   SUNSET   714 PM PDT   
SEPTEMBER 20 2020.....SUNRISE   657 AM PDT   SUNSET   712 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