- Duty Cycle 83.9% (that includes downtime for Tuesday maintenance)
- Range at 75-80Mpc
- only 1 lock loss (aside from maintenance), caused by 4.5 earthquake in Oklahoma
- For around 6 hours before maintenance started, noise in 10-50Hz region rung up in DARM, also found in PSL ISS and ISI channels
- Also around this time, lots of glitches in 10-20 Hz region, caught by Hveto, but these end while the above noise continued. Cause of both of these phenomena are unknown.
- On Wednesday, a tractor was used to plow snow, for some of the time it showed up in CS seismometer 10-30 Hz BLRMS, and dropped range by ~5Mpc.
- No BBH/BNS searches run for any of these 3 days