In the past, when shooting in weird lighting, I would shoot a couple of frames of a white/black/gray card.
Then I just use the eyedroppers in Photoshop to get a corrected white balance, save that curve setting and apply it to the rest of my photos shot under the same conditions.
The
Expodisc is another way to go, but I haven't used it.
Also: I noticed in your EXIF that the camera owner is Heather. I'm guessing you bought this camera from Heather? If yes, then you might want to change that and put your name or company name into the camera.
Examples using the cards I have:
