condition mean min max 4 h after light 3.9444250000000003 3.65296 4.23589 8 h after light 2.2156599999999997 2.12662 2.3047 12 h after light 3.089555 3.05345 3.12566 4 h after dark 3.0341733333333334 2.84274 3.32621 8 h after dark 3.875923333333333 3.16813 4.52452 12 h after dark 3.53321 3.33822 3.63544