MSNBC’s “All in with Chris Hayes: Climate in Crisis” averaged 1.3 million total viewers Thursday night at 8 p.m., a decrease of 27 percent from the network's 2019 average-to-date in that time slot, according to early Nielsen Media Research.

In the 25-54 demographic that advertisers covet most, Fox News was first with 418,000 viewers, followed by CNN with 228,000 in the category and MSNBC with 169,000. The 169,000 in the category is 37 percent below the network's 2019-to-date average.

CNN’s seven-hour "Climate Crisis" Town Hall that aired on Sept. 4 averaged 1.1 million viewers and 266,000 in the demographic.

Updated: Sept. 21 at 10:20 a.m.