Well, I made it. Woke up a couple times during the night with some cold spots, ended up putting my reflectix under me. Temp reading I got was 18 degrees at about 10 last night so it was probably a bit colder than that. Couldn't get a temp reading in the morning because it was at least cold enough to freeze up the thermometer in my watch(hung on my ridgeline). Lost of frost on my tarp, inside and outside.
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As for what to do with all that darkness?
I was just coming off 2 overnight shifts and hadn't slept since Friday afternoon... Crashed last night at about 6:15, rolled out of it at about 7:30 this morning.