484  
CDUS46 KPQR 131140  
CLIPDX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE PORTLAND OREGON  
440 AM PDT WED SEP 13 2023  
   
...............................
 
 
   
..THE PORTLAND OR CLIMATE SUMMARY FOR SEPTEMBER 12 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1940 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 80 249 PM 92 1945 78 2 76  
1975  
MINIMUM 58 520 AM 41 1955 55 3 62  
AVERAGE 69 66 3 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.82 2018 0.05 -0.05 0.03  
MONTH TO DATE 0.03 0.46 -0.43 0.03  
SINCE OCT 1 34.15 35.86 -1.71 40.88  
SINCE JAN 1 18.04 21.22 -3.18 23.63  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2022  
MONTH TO DATE 0.0  
SINCE JUL 1 0.0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 3 12 -9 0  
SINCE SEP 1 3 12 -9 0  
SINCE JUL 1 4 29 -25 0  
 
COOLING  
YESTERDAY 4 3 1 4  
MONTH TO DATE 55 44 11 94  
SINCE SEP 1 55 44 11 94  
SINCE JAN 1 846 475 371 769    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 5.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 1100 PM  
LOWEST 37 200 PM  
AVERAGE 58  
   
......................................................
 
 
THE PORTLAND OR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 93 1988  
1999  
MINIMUM TEMPERATURE (F) 55 37 1970  
 
SUNRISE AND SUNSET  
SEPTEMBER 13 2023.....SUNRISE 646 AM PDT SUNSET 726 PM PDT  
SEPTEMBER 14 2023.....SUNRISE 647 AM PDT SUNSET 724 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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