condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0126913 0.0 0.0380739 12 h after light 0.0 0.0 0.0 4 h after dark 0.013804799999999999 0.0 0.0414144 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0