condition mean min max 4 h after light 0.1619415 0.0 0.323883 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.118182 0.0 0.354546 8 h after dark 0.12504066666666666 0.0 0.375122 12 h after dark 0.0 0.0 0.0