Relevant but only one set of constraints among many: after an epic winter snowfall, water level has hit 2 years ago at Lake Powell and only last year's level at

Relevant but only one set of constraints among many: after an epic winter snowfall, water level has hit 2 years ago at Lake Powell and only last year's level at Mead... https://powell.uslakes.info/Level/ https://powell.uslakes.info/Level/ https://mead.uslakes.info/Level/ https://mead.uslakes.info/Level/