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 0.034694333333333334 0.0 0.104083 8 h after dark 0.05799033333333333 0.0 0.173971 12 h after dark 0.0 0.0 0.0