condition mean min max 4 h after light 0.0579095 0.0 0.115819 8 h after light 0.0 0.0 0.0 12 h after light 0.02376165 0.0 0.0475233 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