condition mean min max 0 h after light 0.2165335 0.0 0.433067 2 h after light 0.243104 0.0 0.486208 4 h after light 0.0 0.0 0.0 8 h after light 0.223622 0.0 0.447244 12 h after light 0.24717 0.0 0.49434 2 h after dark 0.0 0.0 0.0 4 h after dark 0.424106 0.416234 0.431978 8 h after dark 0.2435505 0.0 0.487101 12 h after dark 0.0 0.0 0.0