374  
CDUS46 KSEW 160218  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
618 PM PST THU FEB 15 2024  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 15 2024...  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1945 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 44 257 PM 65 1996 50 -6 44  
MINIMUM 35 251 AM 13 1956 38 -3 28  
AVERAGE 40 44 -4 36  
 
PRECIPITATION (IN)  
TODAY 0.23 1.63 2017 0.13 0.10 0.00  
MONTH TO DATE 1.45 2.13 -0.68 1.29  
SINCE OCT 1 24.91 23.85 1.06 19.27  
SINCE JAN 1 7.76 7.91 -0.15 4.38  
 
SNOWFALL (IN)  
TODAY T 2.3 1980 0.0  
MONTH TO DATE T 0.4  
SINCE OCT 1 T 6.3  
SINCE JUL 1 T 6.3  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 25 21 4 29  
MONTH TO DATE 303 320 -17 328  
SINCE DEC 1 1597 1718 -121 1791  
SINCE JUL 1 2600 2779 -179 2741  
 
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 E (80)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 9.3  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 300 AM  
LOWEST 53 700 AM  
AVERAGE 69  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 50 59 2015  
MINIMUM TEMPERATURE (F) 38 13 1956  
 
SUNRISE AND SUNSET  
FEBRUARY 15 2024......SUNRISE 715 AM PST SUNSET 532 PM PST  
FEBRUARY 16 2024......SUNRISE 713 AM PST SUNSET 534 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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