Midging can be great on certain days. Small Streamers have been producing lately and keeping the Whiteys off as well. So instead of fishing a rubber legs or worm up top, you can put a mccune's sculpin or belly ache minnow as your lead fly and behind it put another small streamer like a wooly bugger or kreelex behind it.
View USGS Streamflows
rubber legs or worm
mccune's sculpin or belly ache minnow