161  
CDUS46 KPQR 191141  
CLIPDX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE  
341 AM PST SAT DEC 19 2020  
   
...............................
 
 
   
..THE PORTLAND OR CLIMATE SUMMARY FOR DECEMBER 18 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 53 204 PM 59 2018 45 8 43  
MINIMUM 45 428 AM 11 1964 35 10 32  
AVERAGE 49 40 9 38  
 
PRECIPITATION (IN)  
YESTERDAY 0.11 1.01 1941 0.18 -0.07 0.18  
MONTH TO DATE 1.85 3.32 -1.47 1.96  
SINCE OCT 1 8.64 11.95 -3.31 4.99  
SINCE JAN 1 29.20 33.86 -4.66 24.24  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.7 1964  
MONTH TO DATE 0.0  
SINCE DEC 1 0.0  
SINCE JUL 1 0.0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 25 -9 27  
MONTH TO DATE 376 433 -57 393  
SINCE DEC 1 376 433 -57 393  
SINCE JUL 1 1248 1402 -154 1427  
 
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 30 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 11.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 1100 PM  
LOWEST 59 500 PM  
AVERAGE 74  
   
......................................................
 
 
THE PORTLAND OR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 59 1953  
1961  
1972  
MINIMUM TEMPERATURE (F) 35 14 1964  
 
SUNRISE AND SUNSET  
DECEMBER 19 2020......SUNRISE 747 AM PST SUNSET 429 PM PST  
DECEMBER 20 2020......SUNRISE 748 AM PST SUNSET 429 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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