309  
CDUS46 KPQR 181145  
CLISPB  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE PORTLAND OREGON  
445 AM PDT THU SEP 18 2025  
   
...............................  
 
   
..THE SCAPPOOSE OR CLIMATE SUMMARY FOR SEPTEMBER 17 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 9999 TO 9999  
 
WEATHER ITEM OBSERVED TIME LAST  
VALUE (LST) YEAR    
.....................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 82 228 PM  
MINIMUM 52 617 AM  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.14 0.29  
SINCE OCT 1 31.85 37.93  
SINCE JAN 1 13.11 22.76  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 MM  
MONTH TO DATE 13 MM  
SINCE SEP 1 13 MM  
SINCE JUL 1 23 MM  
 
COOLING  
YESTERDAY 2 MM  
MONTH TO DATE 57 MM  
SINCE SEP 1 57 MM  
SINCE JAN 1 497 15    
.....................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 6.9  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 500 AM  
LOWEST 29 100 PM  
AVERAGE 59  
   
......................................................  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2025.....SUNRISE 654 AM PDT SUNSET 716 PM PDT  
SEPTEMBER 19 2025.....SUNRISE 655 AM PDT SUNSET 714 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab OR Page
The Nexlab WA Page
Main Text Page