condition mean min max 0 h after light 0.02980605 0.0 0.0596121 4 h after light 0.0 0.0 0.0 8 h after light 0.0605735 0.0 0.121147 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0