AFOS product CLIOLM
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download Bulk Download
240 
CDUS46 KSEW 180826
CLIOLM

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT THU SEP 18 2025

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

...THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1941 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         81    223 PM  86    1994  72      9       63       
  MINIMUM         48    520 AM  32    1965  46      2       48       
  AVERAGE         65                        59      6       56     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          1.67 2010   0.07  -0.07     0.00     
  MONTH TO DATE    0.07                      0.98  -0.91     1.40     
  SINCE OCT 1     39.05                     49.56 -10.51    48.44     
  SINCE JAN 1     18.15                     28.43 -10.28    28.08     

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                         6     -6        9        
  MONTH TO DATE   27                        80    -53       56        
  SINCE SEP 1     27                        80    -53       56        
  SINCE JUL 1     99                       220   -121      135        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE   11                         3      8       28        
  SINCE SEP 1     11                         3      8       28        
  SINCE JAN 1    201                       108     93      209        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION   W (270)       
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NW (310)       
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     N (10)        
  AVERAGE WIND SPEED     3.1                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.1                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  FOG                                                                 


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1100 PM                                      
 LOWEST     35           100 PM                                      
 AVERAGE    68                                                        

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


THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   72        86      1991                      
 MINIMUM TEMPERATURE (F)   46        31      1965                      


SUNRISE AND SUNSET                                                    
SEPTEMBER 18 2025.....SUNRISE   654 AM PDT   SUNSET   716 PM PDT     
SEPTEMBER 19 2025.....SUNRISE   655 AM PDT   SUNSET   714 PM PDT     


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$