169  
CXUS56 KSEW 061525 CCA  
CLMSEW  
 
CLIMATE REPORT...CORRECTED  
NATIONAL WEATHER SERVICE SEATTLE  
824 AM PDT TUE APR 06 2021  
   
...............................
 
 
   
..THE SEATTLE WA WFO CLIMATE SUMMARY FOR THE MONTH OF MARCH 2021
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1986 TO 2021  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 78 03/20/2019  
03/29/2004  
LOW 27 03/10/2009  
HIGHEST 62 03/13 MM MM 62 03/20  
LOWEST 30 03/16 MM MM 30 03/17  
03/16  
AVG. MAXIMUM 53.7 53.8 -0.1 51.5  
AVG. MINIMUM 36.9 39.3 -2.4 37.6  
MEAN 45.3 46.6 -1.3 44.6  
DAYS MAX >= 90 0 0.0 0.0 0  
DAYS MAX <= 32 0 0.0 0.0 0  
DAYS MIN <= 32 3 1.6 1.4 6  
DAYS MIN <= 0 0 0.0 0.0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 8.42 2014  
MINIMUM 1.60 2019  
TOTALS 3.22 3.51 -0.29 3.38  
DAILY AVG. 0.10 0.11 -0.01 0.11  
DAYS >= .01 15 17.1 -2.1 18  
DAYS >= .10 11 10.1 0.9 12  
DAYS >= .50 1 1.7 -0.7 1  
DAYS >= 1.00 0 0.4 -0.4 0  
 
SNOWFALL (INCHES)  
TOTALS 0.0 0.0  
SINCE 7/1 9.2 MM  
SNOWDEPTH AVG. 0 0  
GREATEST  
SNOW DEPTH 0 0 MM  
 
DEGREE DAYS  
HEATING TOTAL 606 572 34 625  
SINCE 7/1 3518 3738 -220 3618  
COOLING TOTAL 0 0 0 0  
SINCE 1/1 0 0 0 0    
............................................................
 
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 2 MIXED PRECIP 0  
HEAVY RAIN 0 RAIN 5  
LIGHT RAIN 14 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 1  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 0 SLEET 0  
FOG 3 FOG W/VIS <= 1/4 MILE 0  
HAZE 0  
 
- 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