condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 1.28901 0.0 2.57802 12 h after light 1.17546 0.0 2.35092 4 h after dark 4.1393450000000005 4.10964 4.16905 8 h after dark 2.56525 2.04132 3.08918 12 h after dark 3.5743600000000004 2.02753 5.12119