condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.02366215 0.0 0.0473243 8 h after light 0.02443 0.0 0.04886 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0