condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0616375 0.0 0.123275 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0626685 0.0 0.125337 2 h after dark 0.056521 0.0 0.113042 4 h after dark 0.0 0.0 0.0 8 h after dark 0.061735 0.0 0.12347 12 h after dark 0.0 0.0 0.0