condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0155791 0.0 0.0467373 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.021238200000000002 0.0 0.044672