condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.1040175 0.0 0.208035 4 h after dark 0.0 0.0 0.0 8 h after dark 0.1035475 0.0 0.207095 12 h after dark 0.0 0.0 0.0