condition mean min max 0 h after light 0.0242265 0.0 0.048453 2 h after light 0.02719925 0.0 0.0543985 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.02494155 0.0 0.0498831 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