182  
CDUS46 KPQR 211146  
CLIPDX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE  
346 AM PST MON DEC 21 2020  
   
...............................
 
 
   
..THE PORTLAND OR CLIMATE SUMMARY FOR DECEMBER 20 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 57 217 AM 59 1974 45 12 59  
2014  
2019  
MINIMUM 48 1159 PM 13 1967 35 13 50  
AVERAGE 53 40 13 55  
 
PRECIPITATION (IN)  
YESTERDAY 1.43R 1.28 1961 0.18 1.25 0.40  
MONTH TO DATE 3.68 3.67 0.01 3.00  
SINCE OCT 1 10.47 12.30 -1.83 6.03  
SINCE JAN 1 31.03 34.21 -3.18 25.28  
 
SNOWFALL (IN)  
YESTERDAY 0.0 7.0 2008  
MONTH TO DATE 0.0  
SINCE DEC 1 0.0  
SINCE JUL 1 0.0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 25 -13 10  
MONTH TO DATE 401 483 -82 420  
SINCE DEC 1 401 483 -82 420  
SINCE JUL 1 1273 1452 -179 1454  
 
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 17 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 3.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 300 AM  
LOWEST 89 500 PM  
AVERAGE 91  
   
......................................................
 
 
THE PORTLAND OR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 62 1940  
MINIMUM TEMPERATURE (F) 35 12 1990  
 
SUNRISE AND SUNSET  
DECEMBER 21 2020......SUNRISE 748 AM PST SUNSET 430 PM PST  
DECEMBER 22 2020......SUNRISE 749 AM PST SUNSET 430 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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