000  
CDUS46 KSEW 230121  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE WA  
520 PM PST TUE JAN 22 2019  
 
   
...............................
 
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JANUARY 22 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 45 1020 AM 60 1981 48 -3 47  
MINIMUM 40 130 AM 19 1962 37 3 40  
AVERAGE 43 43 0 44  
 
PRECIPITATION (IN)  
TODAY 0.17 1.29 1953 0.17 0.00 0.36  
MONTH TO DATE 2.68 4.12 -1.44 4.54  
SINCE OCT 1 17.96 19.52 -1.56 23.40  
SINCE JAN 1 2.68 4.12 -1.44 4.54  
 
SNOWFALL (IN)  
TODAY 0.0 2.0 1982 0.0  
MONTH TO DATE 0.0 0.0  
SINCE OCT 1 0.0 3.0  
SINCE JUL 1 0.0 3.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 22 22 0 21  
MONTH TO DATE 427 512 -85 428  
SINCE DEC 1 1064 1267 -203 1197  
SINCE JUL 1 2007 2450 -443 2186  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION S (160)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 10.1  
 
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 1200 PM  
LOWEST 65 200 AM  
AVERAGE 77  
   
......................................................
 
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 48 56 2005  
2001  
MINIMUM TEMPERATURE (F) 37 16 1949  
 
 
SUNRISE AND SUNSET  
JANUARY 22 2019.......SUNRISE 747 AM PST SUNSET 455 PM PST  
JANUARY 23 2019.......SUNRISE 746 AM PST SUNSET 457 PM PST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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