condition mean min max 4 h after light 0.02947095 0.0 0.0589419 8 h after light 0.0 0.0 0.0 12 h after light 0.03418655 0.0293894 0.0389837 4 h after dark 0.0778063 0.0513756 0.104237 8 h after dark 0.05126475 0.051038 0.0514915 12 h after dark 0.0126733 0.0 0.0253466