In "The Raven" how does the narrator's emotional state change during the poem?

He starts off just sitting in his chair, reading a book, and he describes himself as "weak and weary."  He was so weary that he didn't even get up to answer the knocking at his door.  He then describes, in more detail, his emotional state.  He is longing for his lost love, a bit depressed, and had sought an escape from that longing in his book.  He says, "eagerly I wished the morrow," and he has "sorrow for the lost Lenore".

But then, he starts to become alarmed and scared.  He says the knocking "filled me with fantastic terrors never felt before" and he gathers courage to go open the door.  He stands there, describing his emotional state.  He is "wondering, fearing, doubting, dreaming."  He is really disturbed now, and getting a bit freaked out.  He stays pretty scared.  Later he opens the door again "with many a flirt and flutter" of his heart.

Once the raven appears, his fear turns to awe and amazement as it speaks the words, "Nevermore."  He says, "much I marvelled", and he was "startled much that the stillness was broken".  He then turns ponderous.  He sits down and "betook myself to linking Fancy unto fancy, thinking what this ominous bird of yore—...Meant in croaking 'Nevermore.'"  But then, he gets anxious and angry that he can't figure out what the bird means.  He demands to know, he yells, he frets, "implores", "shrieks", to no avail.

So, throughout the course of the poem he goes from weary, to terrified, to startled and awed, to ponderous, to angry and demanding.  I hope that helps!