045  
CDUS46 KPQR 171153  
CLIPDX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE  
353 AM PST THU DEC 17 2020  
   
...............................
 
 
   
..THE PORTLAND OR CLIMATE SUMMARY FOR DECEMBER 16 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 52 857 PM 60 1974 45 7 48  
MINIMUM 45 607 AM 6 1964 35 10 36  
AVERAGE 49 40 9 42  
 
PRECIPITATION (IN)  
YESTERDAY 0.39 1.19 1994 0.17 0.22 T  
MONTH TO DATE 1.73 2.97 -1.24 1.78  
SINCE OCT 1 8.52 11.60 -3.08 4.81  
SINCE JAN 1 29.08 33.51 -4.43 24.06  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.5 1987  
MONTH TO DATE 0.0  
SINCE DEC 1 0.0  
SINCE JUL 1 0.0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 25 -9 23  
MONTH TO DATE 342 383 -41 340  
SINCE DEC 1 342 383 -41 340  
SINCE JUL 1 1214 1352 -138 1374  
 
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 E (110)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 11.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 200 AM  
LOWEST 77 1100 AM  
AVERAGE 85  
   
......................................................
 
 
THE PORTLAND OR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 58 1999  
MINIMUM TEMPERATURE (F) 35 7 1964  
 
SUNRISE AND SUNSET  
DECEMBER 17 2020......SUNRISE 746 AM PST SUNSET 428 PM PST  
DECEMBER 18 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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