The flows on the San Miguel are pretty spring-ishbut the fish dont know that yet. Trout will be hanging out in their deep winter holding water, so get deep with nymphs.
Patterns/Bugs:
Nymphs: Killer Mayfly 20-24, Pheasant Tails 18-22, Rainbow Warrior 18-22, Black Flash Midge Pupa 18-22, Tavs Big Mac Pupa, RS-2 18-22, Zebra Midge 18-20, Splitback BWO Nymph 18-22, Olive and Red Micro Mayfly 16-20, Juans Slim Shady 20-24.
Eggs and San Juan Worms.