How they rate
Here are Nielsen Media Research figures measuring viewership for Portland's 5 p.m. newscasts during the February ratings sweeps.
Each rating point represents approximately 10,000 homes tuned to each station. The 'share' figure reflects the percentage of the total audience watching a given station at that point in time.
KGW (8): 9.9 rating/20 share
KOIN (6): 6.9 rating/14 share
KATU (2): 5.4 rating/10 share