spent the past hour writing this up and I hope it'll be useful. Of course, this election will be unique due to all the voting by mail, but we should be able to compare the Florida and North Carolina results because those states will count both mail in votes and early in-person votes and election day votes quickly
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A summary of how election night 2016 played out from 7:00PM to midnight. You may want to use this as reference for election night 2020 and any other election night.
I've used the 4plebs archive at archive.4plebs.org/pol/ to dig into posts from /pol/ from election night to see the results they shared at each point in time, and I also used the NYTimes 2016 Live forecast pages to assess how margins for the race changed as the night went on.
From 7:00PM EST to 8:00PM EST Trump and Hillary exchanged leads multiple times in Florida
Let's start with this screenshot of Florida results from 7:09PM EST, as you can see they were disproportionately from Trump friendly areas.
7:09PM EST-->
http://i.4pcdn.org/pol/1478650145203.png
At 7:22PM EST, here is how the results in Florida, Georgia, Indiana, Kentucky, New Hampshire, Vermont, and Virginia looked like:
http://i.4pcdn.org/pol/1478651005723.png
At 7:28PM EST, here is how the FL map looked. Notice all the counties that hadn't come in yet.:
http://i.4pcdn.org/pol/1478651404742.png
it took only less than four minutes later, at 7:32PM, for Trump and Hillary to trade leads:
http://i.4pcdn.org/pol/1478651584255.png
7:40PM EST, Virginia, Trump still had a double digit lead:
http://i.4pcdn.org/pol/1478652018941.png
7:45PM EST, Florida. As you can see, Trump had a sizeable (by FL standards) 3 point lead:
http://i.4pcdn.org/pol/1478652410969.png
and here is how the overall map looked at 7:50PM EST:
http://i.4pcdn.org/pol/1478652642718.png
by 7:52PM EST however, Hillary jumped ahead to a 3 point lead:
http://i.4pcdn.org/pol/1478652906594.jpg
at 7:56PM EST, here was the overall map:
http://i.4pcdn.org/pol/1478653166699.png
by 8:03PM, Trump started to close in to only 1 point behind Hillary in Florida:
http://i.4pcdn.org/pol/1478653383661.png
at 8:09PM EST, Hillary had a substantial 9 point lead in Ohio:
http://i.4pcdn.org/pol/1478653818684.png
at 8:13PM EST, Hillary had a small lead in Texas:
http://i.4pcdn.org/pol/1478654010410.png
here is how the overall map looked like at 8:14PM EST:
http://i.4pcdn.org/pol/1478654056920.jpg
at 8:25PM EST, Hillary had a 6 point lead in North Carolina:
http://i.4pcdn.org/pol/1478654718942.jpg
and by 8:30PM EST, Trump had regained the lead over Hillary in Florida. He retained the lead from here on out until he won the state:
http://i.4pcdn.org/pol/1478655265693.png
here is how the map looked like at 8:47PM EST:
http://i.4pcdn.org/pol/1478656156261.png . Hillary was leading in North Carolina, Missouri, Ohio, Pennsylvania and Michigan, but those leads were all because there was a disproportionate amount coming from blue areas.
by 9:01PM EST Trump gained the lead in Ohio and kept it until he won the state, and was only around 1 point behind in North Carolina:
http://i.4pcdn.org/pol/1478656978494.png
Trump took the lead in North Carolina around 9:04PM EST and kept it until he won the state:
http://i.4pcdn.org/pol/1478657091879.png
Trump also took the lead in Michigan around 9:13PM EST and kept it until he won the state
Aside for a few minutes early in the 9PM hour, Trump quickly took the lead in Wisconsin around 9:15PM EST and kept it until he won the state
At 9:30PM EST, the NYTimes Election Needle projected a 50% chance that Trump would win
At 9:48PM EST, the needle projected it at a 59% chance
at around 9:58PM EST, Hillary took the lead in Virginia and kept it until she won that state, but by this point it seemed obvious that Trump was going to win and did not need Virginia because of his leads in the rust belt
At 10:06PM EST, the needle projected it at a 69% chance
at 10:14PM EST, the needle projected it at a 73% chance
at 10:45PM EST, the needle projected it at a 92% chance
at 11:00PM EST, the needle projected it at a >95% chance
at 12:08AM EST, November 9, Trump took the lead in Pennsylvania and kept it until he won the state