613  
CDUS46 KPQR 111148  
CLIPDX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE  
348 AM PST FRI DEC 11 2020  
   
...............................
 
 
   
..THE PORTLAND OR CLIMATE SUMMARY FOR DECEMBER 10 2020
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1940 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 45 127 PM 65 1993 46 -1 45  
MINIMUM 38 709 AM 13 2009 35 3 38  
AVERAGE 42 41 1 42  
 
PRECIPITATION (IN)  
YESTERDAY 0.09 1.43 1992 0.18 -0.09 0.32  
MONTH TO DATE 0.46 1.92 -1.46 1.15  
SINCE OCT 1 7.25 10.55 -3.30 4.18  
SINCE JAN 1 27.81 32.46 -4.65 23.43  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1987  
2013  
MONTH TO DATE 0.0  
SINCE DEC 1 0.0  
SINCE JUL 1 0.0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 23 24 -1 23  
MONTH TO DATE 216 234 -18 217  
SINCE DEC 1 216 234 -18 217  
SINCE JUL 1 1088 1203 -115 1251  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 600 424 176 564    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1200 AM  
LOWEST 76 100 PM  
AVERAGE 85  
   
......................................................
 
 
THE PORTLAND OR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 46 64 2014  
MINIMUM TEMPERATURE (F) 35 14 2009  
 
SUNRISE AND SUNSET  
DECEMBER 11 2020......SUNRISE 741 AM PST SUNSET 427 PM PST  
DECEMBER 12 2020......SUNRISE 742 AM PST SUNSET 427 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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