471  
CDUS46 KSEW 210839  
CLIOLM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE WA  
139 AM PDT SAT SEP 21 2019  
 
   
...............................
 
 
   
..THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1941 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 69 256 PM 92 1974 71 -2 68  
MINIMUM 50 1141 PM 32 1983 45 5 47  
AVERAGE 60 58 2 58  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.11 1972 0.05 -0.05 0.00  
MONTH TO DATE 2.72 1.03 1.69 1.86  
SINCE OCT 1 37.66 49.32 -11.66 52.31  
SINCE JAN 1 19.93 28.63 -8.70 26.55  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 7 -2 7  
MONTH TO DATE 63 102 -39 126  
SINCE SEP 1 63 102 -39 126  
SINCE JUL 1 141 252 -111 207  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 3 4 -1 0  
SINCE SEP 1 3 4 -1 0  
SINCE JAN 1 97 103 -6 193    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 2.1  
 
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1100 PM  
LOWEST 57 300 PM  
AVERAGE 79  
   
......................................................
 
 
 
THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 91 1974  
MINIMUM TEMPERATURE (F) 45 32 1993  
1971  
1955  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2019.....SUNRISE 657 AM PDT SUNSET 711 PM PDT  
SEPTEMBER 22 2019.....SUNRISE 658 AM PDT SUNSET 709 PM PDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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