condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0291782 0.0 0.0583564 8 h after light 0.0296566 0.0 0.0593132 12 h after light 0.0327796 0.0 0.0655592 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0622965 0.0 0.124593 12 h after dark 0.0306534 0.0 0.0613068