497  
CDUS46 KSEW 310225  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
625 PM PST TUE JAN 30 2024  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JANUARY 30 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 60R 319 PM 59 1992 49 11 39  
MINIMUM 51 938 AM 7 1950 38 13 24  
AVERAGE 56 43 13 32  
 
PRECIPITATION (IN)  
TODAY 0.02 1.00 1952 0.17 -0.15 0.00  
MONTH TO DATE 6.19 5.61 0.58 3.09  
SINCE OCT 1 23.34 21.55 1.79 17.98  
SINCE JAN 1 6.19 5.61 0.58 3.09  
 
SNOWFALL (IN)  
TODAY 0.0 3.0 1974 0.0  
MONTH TO DATE T T  
SINCE OCT 1 T 5.8  
SINCE JUL 1 T 5.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 9 22 -13 33  
MONTH TO DATE 688 668 20 629  
SINCE DEC 1 1284 1379 -95 1434  
SINCE JUL 1 2287 2440 -153 2384  
 
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 2 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 1100 AM  
LOWEST 66 800 AM  
AVERAGE 76  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 61 1960  
MINIMUM TEMPERATURE (F) 38 0 1950  
 
SUNRISE AND SUNSET  
JANUARY 30 2024.......SUNRISE 738 AM PST SUNSET 507 PM PST  
JANUARY 31 2024.......SUNRISE 737 AM PST SUNSET 509 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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