I-84 West to East [Columbia River Gorge] ELEVA 10 20 40 30 240 620 1,480 2,710 3,370 2,190
I-90 West to East ELEVA 30 1,730 1,200 1,880
I-82 North West to South East ELEVA 1,730 1,050 720 360 620
Hwy97 North to South ELEVA 850 630 1,730 1,050 1,640 *From Dallesport Airport Elev 240 3,080 4,100
I-5 North to South ELEVA 150 100 610 30 200 20 100 40 200 360 510 1,300
Data from:
http://www.wrh.noaa.gov/sew/get.php?pil=RWR&sid=OR&version=0&format=printer
http://www.wrh.noaa.gov/sew/get.php?pil=RWR&sid=WA&version=0&format=printer