966  
CDUS46 KPQR 161142  
CLIPDX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE  
342 AM PST WED DEC 16 2020  
   
...............................
 
 
   
..THE PORTLAND OR CLIMATE SUMMARY FOR DECEMBER 15 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 51 405 PM 59 1959 45 6 44  
MINIMUM 42 908 AM 22 2008 35 7 37  
AVERAGE 47 40 7 41  
 
PRECIPITATION (IN)  
YESTERDAY 0.13 1.84 1982 0.18 -0.05 0.00  
MONTH TO DATE 1.34 2.80 -1.46 1.78  
SINCE OCT 1 8.13 11.43 -3.30 4.81  
SINCE JAN 1 28.69 33.34 -4.65 24.06  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1987  
2012  
2016  
MONTH TO DATE 0.0  
SINCE DEC 1 0.0  
SINCE JUL 1 0.0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 18 25 -7 24  
MONTH TO DATE 326 358 -32 317  
SINCE DEC 1 326 358 -32 317  
SINCE JUL 1 1198 1327 -129 1351  
 
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 23 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 10.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 1100 PM  
LOWEST 76 600 AM  
AVERAGE 83  
   
......................................................
 
 
THE PORTLAND OR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 60 1974  
MINIMUM TEMPERATURE (F) 35 6 1964  
 
SUNRISE AND SUNSET  
DECEMBER 16 2020......SUNRISE 745 AM PST SUNSET 428 PM PST  
DECEMBER 17 2020......SUNRISE 746 AM PST SUNSET 428 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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