892  
CDUS46 KSEW 260128  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE WA  
628 PM PDT MON MAR 25 2019  
 
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MARCH 25 2019
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1945 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 60 134 PM 64 1969 55 5 52  
1966  
1960  
MINIMUM 41 502 AM 31 1954 40 1 37  
AVERAGE 51 48 3 45  
 
PRECIPITATION (IN)  
TODAY 0.03 0.62 2010 0.12 -0.09 0.04  
MONTH TO DATE 1.20 3.06 -1.86 2.21  
SINCE OCT 1 24.93 27.53 -2.60 31.35  
SINCE JAN 1 9.65 12.13 -2.48 12.49  
 
SNOWFALL (IN)  
TODAY 0.0 1.3 1955 0.0  
MONTH TO DATE 0.8 T  
SINCE OCT 1 21.0 4.0  
SINCE JUL 1 21.0 4.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 14 17 -3 20  
MONTH TO DATE 441 471 -30 476  
SINCE MAR 1 441 471 -30 476  
SINCE JUL 1 3419 3725 -306 3509  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 6 0 6 0  
SINCE MAR 1 6 0 6 0  
SINCE JAN 1 6 0 6 0    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION N (10)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 8.6  
 
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 300 AM  
LOWEST 39 1200 PM  
AVERAGE 61  
   
......................................................
 
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 55 70 1969  
MINIMUM TEMPERATURE (F) 40 30 1947  
 
 
SUNRISE AND SUNSET  
MARCH 25 2019.........SUNRISE 702 AM PDT SUNSET 729 PM PDT  
MARCH 26 2019.........SUNRISE 700 AM PDT SUNSET 730 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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