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Weber River, UT Hatch Chart

More info on Fly Fishing Utah
Insect Size Begin End
BWO  16-20  March 1   May 30
BWO 18-22  September 1   November 30 
PMD 12-16 June 1 August 31
March Brown 12-14 April 1 May 31
Black Quill 14-16 July 1 August 31
Quill Gordon 14-16 July 1 August 31
Caddis 12-14 May 1 October 31
Yellow Sally 14-16  June 1 August 31
Early Black Stone 14-16 February 1 May 31
Golden Stone 10-12 June 1 July 31
Terrestrials 6-16

June 1

October 31
Green Drake 10-14 June 1 August 31
Mahogany Dun 14-16 September 1 October 31
Midges 20-22 January 1 December 31
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