I looked EVERYWHERE for sheet music of the Haruhi BGM "Someday in the Rain", with no luck. I decided to try transcribing it myself, using the actual song and a video of someone playing it as references. I feel pretty good about most of it, but some parts still seem off, namely the left hand of measures 5 through 7, and the ending.

(The actual song)
http://www.youtube.com/watch?v=W7liXxcc7gM&feature=related

(someone playing it)
http://www.youtube.com/watch?v=aKDawGb75so

My sheet music:
http://www.noteflight.com/scores/view/49ddc27e9ee609695b27455132a0c5e7511c460f