I don't know at that elevation, but here in my garage (at about 30') (and regular 'summer' blend pump gas) I measured mine boiling at 135 degrees.
My fuel filter is in-line nearer the SUs, but glass. It bothered me that the fuel filter would appear empty after a drive in temperatures over 95. After the car sits for a while, the fuel would start to bubble back in. Mind you, the car ran fine, wasn't overheating or having percolation/vapor-lock issues but the clear filter always appeared empty when I got home.
One day I attached a temperature probe to the filter and drove the car until I could see no fuel. Then I came back home and measured the temperature of the filter housing, and waited/watched until it cooled enough to bubble back into the filter (appearing to fill it up), then I waited/watched until it stopped bubbling. It stopped bubbling (boiling) and remained liquid/visible at 135. -I watched a video where a guy heated a quart of pump gas until it boiled with a flame, and decided there had to be a safer way to measure that.
It had nothing to do with the problem I thought I was having at the time, but it was interesting. If/when your electric/aux radiator fan turns on, it will move 180+ degree air onto the fuel line...