>The water in Canyon Ferry Lake is between 60 and 64 degrees (16 and 18 degrees Celsius), Montana Fish, Wildlife and Parks spokesman Greg Lemon said.
https://useakayak.org/references/hypothermia_table.html
Water Temp 60 to 70 (15.5 to 21C)
<Exhaustion or Unconsciousness: 2 to 7 hrs
<Expected Time of Survival: 2 to 40 hours (Big window but still a lot of time)
(pic related)
Hubbell was a freelance producer for 17 years from the Boston area…