condition mean min max 0 h after light 0.2056675 0.205484 0.205851 4 h after light 0.101298 0.0 0.202596 8 h after light 0.4065895 0.0 0.813179 4 h after dark 0.8096365 0.403623 1.21565 8 h after dark 1.929395 1.63265 2.22614 12 h after dark 0.205208 0.0 0.410416