condition mean min max 0 h after light 0.02561495 0.0 0.0512299 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.02572645 0.0 0.0514529 2 h after dark 0.0 0.0 0.0 4 h after dark 0.05016975 0.0492386 0.0511009 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0