Can't help you much with the run timing there, but from the times I've driven past it on the way to Whistler, it seems to be a decent sized stream. Probably quite close to the size of the Sandy as I recall.

A good link for you:

http://scitech.pyr.ec.gc.ca/waterweb/formnav.asp?lang=0

River levels for BC smile
_________________________
Seen ... on a drive to Stam's house:



"You CANNOT fix stupid!"