074  
CDUS46 KPQR 131141  
CLIPDX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE  
341 AM PST SUN DEC 13 2020  
   
...............................
 
 
   
..THE PORTLAND OR CLIMATE SUMMARY FOR DECEMBER 12 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 47 219 PM 63 1995 46 1 54  
MINIMUM 35 832 AM 14 1972 35 0 45  
AVERAGE 41 40 1 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.93 1973 0.18 -0.16 0.31  
MONTH TO DATE 0.92 2.27 -1.35 1.75  
SINCE OCT 1 7.71 10.90 -3.19 4.78  
SINCE JAN 1 28.27 32.81 -4.54 24.03  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.8 1972  
MONTH TO DATE 0.0  
SINCE DEC 1 0.0  
SINCE JUL 1 0.0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 25 -1 15  
MONTH TO DATE 264 283 -19 252  
SINCE DEC 1 264 283 -19 252  
SINCE JUL 1 1136 1252 -116 1286  
 
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 26 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 11.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 700 AM  
LOWEST 56 1000 PM  
AVERAGE 74  
   
......................................................
 
 
THE PORTLAND OR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 46 61 1977  
2010  
MINIMUM TEMPERATURE (F) 35 18 1972  
 
SUNRISE AND SUNSET  
DECEMBER 13 2020......SUNRISE 743 AM PST SUNSET 427 PM PST  
DECEMBER 14 2020......SUNRISE 744 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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