404  
CDUS46 KSEW 210135  
CLIOLM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE WA  
635 PM PDT FRI APR 20 2018  
 
   
...............................
 
 
   
..THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR APRIL 20 2018
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1948 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 61 1259 PM 83 2016 60 1 56  
MINIMUM 32 517 AM 26 1951 38 -6 39  
AVERAGE 47 49 -2 48  
 
PRECIPITATION (IN)  
TODAY 0.00 0.71 1960 0.12 -0.12 0.22  
MONTH TO DATE 6.92 2.55 4.37 4.04  
SINCE OCT 1 48.77 41.64 7.13 56.48  
SINCE JAN 1 23.01 20.95 2.06 28.38  
 
DEGREE DAYS  
HEATING  
TODAY 18 16 2 17  
MONTH TO DATE 356 349 7 344  
SINCE MAR 1 1044 985 59 979  
SINCE JUL 1 4614 4707 -93 4707  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED MM  
 
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 500 AM  
LOWEST 33 1200 PM  
AVERAGE 63  
   
......................................................
 
 
 
THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 80 1982  
MINIMUM TEMPERATURE (F) 38 24 1951  
 
 
SUNRISE AND SUNSET  
APRIL 20 2018.........SUNRISE 615 AM PDT SUNSET 807 PM PDT  
APRIL 21 2018.........SUNRISE 613 AM PDT SUNSET 809 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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