condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.08036366666666667 0.0 0.241091 8 h after dark 0.0 0.0 0.0 12 h after dark 0.07061666666666667 0.0 0.21185