condition mean min max 0 h after light 0.0480854 0.0 0.0961708 2 h after light 0.0 0.0 0.0 4 h after light 0.04885835 0.0 0.0977167 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0495047 0.0 0.0990094 4 h after dark 0.0479644 0.0 0.0959288 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0513285 0.0 0.102657