condition mean min max 0 h after light 0.2172155 0.217022 0.217409 4 h after light 0.5385075 0.221129 0.855886 8 h after light 0.0 0.0 0.0 4 h after dark 0.1069925 0.0 0.213985 8 h after dark 0.0 0.0 0.0 12 h after dark 0.3203745 0.21673 0.424019