590  
CDUS46 KPQR 180222  
CLIPDX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE  
622 PM PST THU DEC 17 2020  
   
...............................
 
 
   
..THE PORTLAND OR CLIMATE SUMMARY FOR DECEMBER 17 2020
 
 
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 51 404 PM 58 1999 45 6 42  
MINIMUM 45 557 PM 7 1964 35 10 35  
AVERAGE 48 40 8 39  
 
PRECIPITATION (IN)  
TODAY 0.01 1.87 2015 0.17 -0.16 0.00  
MONTH TO DATE 1.74 3.14 -1.40 1.78  
SINCE OCT 1 8.53 11.77 -3.24 4.81  
SINCE JAN 1 29.09 33.68 -4.59 24.06  
 
SNOWFALL (IN)  
TODAY 0.0 0.4 1984  
MONTH TO DATE 0.0  
SINCE DEC 1 0.0  
SINCE JUL 1 0.0  
 
DEGREE DAYS  
HEATING  
TODAY 17 25 -8 26  
MONTH TO DATE 359 408 -49 366  
SINCE DEC 1 359 408 -49 366  
SINCE JUL 1 1231 1377 -146 1400  
 
COOLING  
TODAY 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 22 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 8.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 1200 AM  
LOWEST 71 500 PM  
AVERAGE 79  
   
......................................................
 
 
THE PORTLAND OR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 59 2018  
MINIMUM TEMPERATURE (F) 35 11 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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