Hatch Chart

Colorado Hatch Chart – From Ken’s Anglers

 

Fly

Sizes

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Midges

20-26

Caddis

10-18

Mayflies

16-20

Attractors

8-18

Stoneflies

8-10

Terrestrials

6-18

Streamers

Various

Wooly Buggers

Various