905  
CDUS46 KPQR 180026  
CLIPDX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE PORTLAND OREGON  
426 PM PST SUN DEC 17 2017  
 
   
...............................
 
 
   
..THE PORTLAND OR CLIMATE SUMMARY FOR DECEMBER 17 2017
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1940 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 49 134 PM 58 1999 45 4 35  
MINIMUM 41 738 AM 7 1964 35 6 27  
AVERAGE 45 40 5 31  
 
PRECIPITATION (IN)  
TODAY 0.02 1.87 2015 0.17 -0.15 T  
MONTH TO DATE 0.41 3.14 -2.73 2.61  
SINCE OCT 1 11.42 11.77 -0.35 17.75  
SINCE JAN 1 43.12 33.68 9.44 41.35  
 
SNOWFALL (IN)  
TODAY MM 0.4 1984  
MONTH TO DATE 0.0  
SINCE DEC 1 0.0  
SINCE JUL 1 0.0  
 
DEGREE DAYS  
HEATING  
TODAY 20 25 -5 34  
MONTH TO DATE 415 408 7 469  
SINCE DEC 1 415 408 7 469  
SINCE JUL 1 1340 1377 -37 1179  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 700 424 276 548    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 6.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1000 AM  
LOWEST 80 300 PM  
AVERAGE 90  
   
......................................................
 
 
 
THE PORTLAND OR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 58 1972  
MINIMUM TEMPERATURE (F) 35 11 1964  
 
 
SUNRISE AND SUNSET  
DECEMBER 17 2017......SUNRISE 746 AM PST SUNSET 428 PM PST  
DECEMBER 18 2017......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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