081  
CDUS46 KSEW 190220  
CLISEW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
620 PM PST MON DEC 18 2023  
   
...............................
 
 
   
..THE SEATTLE WA WFO CLIMATE SUMMARY FOR DECEMBER 18 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1894 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR LAST  
VALUE (LST) VALUE YEAR    
.................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 46 MM 58 1917 42  
MINIMUM 37 MM 12 1924 31  
AVERAGE 42 37  
 
PRECIPITATION (IN)  
TODAY 0.07 1.32 1932 0.02  
MONTH TO DATE 6.46 1.73  
SINCE OCT 1 14.01 9.68  
SINCE JAN 1 33.21 32.76  
 
SNOWFALL (IN)  
TODAY 0.0 0.2  
MONTH TO DATE 0.0 0.4  
SINCE OCT 1 0.0 0.6  
SINCE JUL 1 0.0 0.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 23 28  
MONTH TO DATE 361 470  
SINCE DEC 1 361 470  
SINCE JUL 1 1237 1378  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 341 406    
.................................................
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab WA Page Main Text Page