condition mean min max 4 h after light 0.23107 0.153249 0.308891 8 h after light 0.167588 0.0 0.335176 12 h after light 0.7110805 0.6113 0.810861 4 h after dark 0.3339415 0.0 0.667883 8 h after dark 0.23369700000000002 0.132699 0.334695 12 h after dark 0.6520005 0.527209 0.776792