Answer:
opinion
not credible
primary
Step-by-step explanation:
Information source are various places,blogs where information or message is gotten from.
An opinion is simply an individuals viewpoint concerning a matter or point of discussion/information which may not be necessarily true. The way we see or view things matters as opinions may differs from place to place, angle to angle and others. His stay there was brief, so he may not see all seasons. Personal blog mostly write one's own view point and it may not be credible information as individuals do get cold and warm easier than other so one cannot really believe that viewpoint or what was written on the blog.
primary source of information do give direct or firsthand evidence about an event, object, person, or work of art but it cannot be said to be the final source as it has to go beyond it before it can be certified as true information.